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CN107297153A - A kind of scale inhibition carbon membrane and its preparation method and application - Google Patents

A kind of scale inhibition carbon membrane and its preparation method and application Download PDF

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Publication number
CN107297153A
CN107297153A CN201610237219.2A CN201610237219A CN107297153A CN 107297153 A CN107297153 A CN 107297153A CN 201610237219 A CN201610237219 A CN 201610237219A CN 107297153 A CN107297153 A CN 107297153A
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scale inhibition
carbon membrane
water
parts
mesh
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刘洪均
冯加劲
张瑾
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Huizhou City Yinhui Environmental Protection Co Ltd
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Huizhou City Yinhui Environmental Protection Co Ltd
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Priority to CN201610237219.2A priority Critical patent/CN107297153A/en
Priority to PCT/CN2016/105786 priority patent/WO2017177673A1/en
Publication of CN107297153A publication Critical patent/CN107297153A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/021Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0079Manufacture of membranes comprising organic and inorganic components
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/12Halogens or halogen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/22Eliminating or preventing deposits, scale removal, scale prevention

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Incrustation scale can be effectively prevented to generate and removed with good chlorine residue the scale inhibition carbon membrane of efficiency the invention discloses a kind of;Fraction includes 80~150 15~35 parts of mesh scale inhibition particle powdered carbons by weight;150~250 15~40 parts of mesh scale inhibition particle powdered carbons;250~350 5~15 parts of mesh scale inhibition particle powdered carbons;10~30 parts of binding agent.The invention also discloses the preparation method of above-mentioned scale inhibition carbon membrane.The scale inhibition carbon membrane of the present invention, using Powdered Activated Carbon as base material composite scale material and other additives, by being formulated allotment, moulding process regulation is prepared from scale inhibition carbon membrane, it has accurate filtering accuracy, water body solid particulate matter can effectively be obstructed, iron rust, silt, bacterium, the insoluble matters such as colloid, also adsorbable chlorine residue, the pollutants such as organic matter, it is simultaneously slow, it is long-acting to discharge scale inhibition composition, effectively solve hot water, treat the scale inhibition problem captured kindly for a long time in water purification field, in Domestic water purifying, Central water purification, commercial water purification, water heater, the field such as HVAC and solar water has extensive, significant application value.

Description

A kind of scale inhibition carbon membrane and its preparation method and application
Technical field
The present invention relates to technical field of water purification, more particularly to a kind of scale inhibition carbon membrane and preparation method thereof and should With being filtered out by carbon membrane, adsorb organic matter, bacterium, colloid and treat pollutant, while release is dynamical The scale inhibition factor, efficiently suppresses incrustation scale generation.
Background technology
As rapid industrial development water pollution is also increasingly severe, safe drinking water can have been drunk The problem of being paid high attention to as people, therefore water purification industry develops rapidly, except solving Organic substance in water, thin Bacterium, colloid etc. pollute beyond the region of objective existence, and incrustation scale is insoluble problem all the time.
Contain calcium, magnesium ion and carbonate, bicarbonate radical, sulfate radical etc. in water.When water reaches necessarily Temperature, calcium therein, magnesium ion are combined with acid group, and generation calcium carbonate, magnesium carbonate, calcium sulfate etc. are separated out Precipitation, so as to form incrustation scale.
Calcium ions are more in general water, therefore the main component of incrustation scale is generally calcium salt.
Composition:Calcium carbonate (magnesium).(magnesium) containing calcium bicarbonate in water, these are all solvable, after water boils, two Person is decomposed into carbonate deposition.
Ca(HCO3)2=CaCO3↓+CO2↑+H2O
Because magnesium hydroxide is than magnesium carbonate more indissoluble, therefore the magnesium carbonate of generation can be converted into magnesium hydroxide.
MgCO3+H20=Mg (OH)2↓+CO2
Incrustation scale is broadly divided into hard scale and soft dirty two kinds according to the difference of its Crack cause and shaped state.When When in water containing impurity such as carbonate colloid, bacterium and organic matters, carbonate is similar in cement mortar Sandstone, and colloid, bacterium and organic matter etc. are then equivalent to the cement in cement mortar, when water-borne glue body, The stickum such as bacterium and organic matter and carbonate collective effect, then formd under the conditions of high-temperature boiling and The hard scale that container (or pipe surface) adheres to each other.Once and the stickum such as colloid, bacterium and organic matter After being removed, even if calcium, magnesium ion and carbon acid ion concentration are very high in water, also only form into it is pure white and The loose soft dirt of the carbonate easily removed, without producing hard scale.
Incrustation scale is generally cemented in container or pipe surface.In hot water field, the generation of incrustation scale often causes largely The problem of, first, hard scale thermal conductivity is very poor, heating surface heat transfer situation can be caused to deteriorate, so as to waste combustion Material or electric power.Secondly, if incrustation scale is cemented in water heater or boiler inner wall, can also due to expanding with heat and contract with cold and Unbalance stress, significantly increases the danger of water heater and boiler explosion or even blast.In addition, incrustation scale It when cementing, also can usually adhere to plurality of heavy metal ion, if the container is used to contain drinking water, have Heavy metal ion is excessively dissolved in the risk of drinking-water.Incrustation scale fragment enters in stomach can discharge calcium with hydrochloric acid reaction Magnesium ion and carbon dioxide, the former is the necessary material of calculus, but incrustation scale and calculus are not closed directly System, the latter can then make one flatulence, feel bad, and gastric ulcer patient is it may also happen that the danger of gastric perforation.
On the other hand, in water purification industry, ultrafiltration water purification technology develops for many years, and technology maturation can effective mistake The impurity such as solid particulate matter, colloid in drainage body, but ultrafiltration water purification product is then protected and suffered from all the time Scale removal can not be removed so that it cannot popularizing on a large scale, particularly in the poor north of condition of water quality Area and southwest cannot get popularization and application.Corresponding to be, RO reverse osmose pure-water technologies are in water purification Large-scale application is obtained in industry, its superelevation filtering accuracy (0.0001 micron) is benefited from, All calcium ions and magnesium ions are filtered out, the problem of water outlet will not produce incrustation scale can be adapted in the whole country Various condition of water quality, detection demonstration has diversity, operability, the higher institute of convincingness in marketing Popularization and application are also liked with businessman.But water purification machine there is also one it is important the problem of, be in high-hardness water The stifled film of regional easily generation reverse osmosis membrane, the problem of membrane lifetime is reduced, it is because of high rigidity to trace it to its cause Water quality area scale crystal forms, is grown on the fenestra of counter-infiltration and causes counter-infiltration to fenestra progress blocking Membrane lifetime is reduced.
As can be seen here, it is vigorous in the multiple fields mitigation and antiscaling technology market demand such as hot water, water purification.But it is current There is no suitable technology, product to meet the scale inhibition demand in these fields, industrially the resistance such as conventional Si-P crystal Dirty agent Chang Yinwei release is too fast, big so as to exist, Use Limitation is short, expensive, potential safety hazard for pharmaceutical quantities The problems such as big.
Therefore, the present invention discloses a kind of scale inhibition carbon membrane technology, using Powdered Activated Carbon as base material composite scale material Material and other additives, are prepared from scale inhibition carbon membrane, it has by being formulated allotment, moulding process regulation Accurate filtering accuracy, can effectively obstruct water body solid particulate matter, iron rust, silt, bacterium, colloid etc. Insoluble matter, the pollutant such as also adsorbable chlorine residue, organic matter, while slowly, it is long-acting discharge scale inhibition composition, Effectively solve the problems, such as that hot water, water purification field treat the scale inhibition captured kindly for a long time, Domestic water purifying, Central water purification, The fields such as commercial water purification, water heater, HVAC and solar water have extensive, significant application value.
The content of the invention
Incrustation scale can be effectively prevented to generate and gone with good chlorine residue it is an object of the invention to provide a kind of Scale inhibition carbon membrane except efficiency and preparation method thereof.
The problem of in order to solve above-mentioned technology, the technical solution adopted by the present invention is:A kind of scale inhibition carbon membrane, Include following components by weight:
80~150 15~35 parts of mesh scale inhibition particle powdered carbons;
150~250 15~40 parts of mesh scale inhibition particle powdered carbons;
250~350 5~15 parts of mesh scale inhibition particle powdered carbons;
10~30 parts of binding agent.
It is preferred that, the scale inhibition carbon membrane, by weight including following components:
80~150 18 parts of mesh scale inhibition particle powdered carbons;
150~250 18 parts of mesh scale inhibition particle powdered carbons;
250~350 6 parts of mesh scale inhibition particle powdered carbons;
18 parts of binding agent.
It is preferred that, the binding agent is low density polyethylene, high density polyethylene, poly- second One kind in alcohol PVA.
Further, the scale inhibition particle powdered carbon is made by following methods:By pure water and ethanol with 10:1 Volume ratio configures mixed liquor, weighs scale inhibition material and is put into the mixed liquor of water and ethanol, is heated to 70 degree simultaneously Constant temperature is stirred, after it is completely dissolved, and particle powdered carbon is added thereto and soaks and stirs 4 hours, is filtered Drying was both obtained.
Further, the scale inhibition carbon membrane is made by following methods:In step by pure water and ethanol with 10:1 Volume ratio configuration mixed liquor, weigh scale inhibition material and be put into the mixed liquor of water and ethanol, be heated to 70 degree And constant temperature is stirred, after it is completely dissolved, particle powdered carbon is added thereto and soaks and stir 4 hours, mistake After filter drying is both obtained, in addition to, weigh the mixed liquor that a certain amount of additive is dissolved in 110 water and ethanol (volume ratio 10:1), above-mentioned particle powdered carbon is added thereto and soaks and stirs 4 hours, filtering drying was both .
It is preferred that, the content of reason again of the scale inhibition material is 0.05~30%.
It is preferred that, the scale inhibition material is organic phospho acid, polyalcohol phosphonate ester, organic phosphonate, organic One or more of mixtures in Barbiturates, polycarboxylic acid, specifically, including organic phospho acid series: Amino trident di 2 ethylhexyl phosphonic acid (ATMP), 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP), ethylenediamine tetramethylene phosphine (EDTMP), polyalcohol phosphonate ester, glycine dimethylene-phosphonic acid (GDMP), DPSC, second two The methene Alendronate (EDTMPS) of amine four, DTPMP (DTPMPA), DPA, The phosphorus (AEDP) of ethanamidine base ethylidene two, PBTCA etc.;Organic phosphonate:Sulfophenyl dimethyl pitches phosphonic acids (SAPDP), AAPA, AACA, ATMP sodium salt, sylvite, HEDP sodium salt etc.;It is organic Barbiturates:Sodium citrate, sodium alginate, sodium oxalate etc.;Polycarboxylic acid:Polyacrylic acid (PAA), Sodium Polyacrylate (PAAS), hydrolyzed maleic anhydride (HPMA), copolymer of maleic anhydride and acrylic acid (MA-AA), acrylic acid and 2- acrylamide-2-methyl propane sulfonics copolymer (AA/AMPS), gather Epoxysuccinic acid (PESA), poly-aspartate (PASP), copolymer of phosphono carboxylic acid (POCA) Deng.
It is preferred that, the additive be antibiotic bacteriostat, zeolite, diatomite in powder, polyhexene, polyethylene, Polyacrylic acid, Sodium Polyacrylate, polyacrylamide, the acetate ethylene copolymer of ethene one, polyvinyl acetate One acetate fiber, adipic acid, salicylic acid, polyvinyl alcohol, cross-linked polymer, polymethacrylates, Silicon rubber, agar, the ester of the higher fatty acids of slightly solubility or higher aliphatic, natural polymer gelatin, Polymer starch, cellulose derivative, the synthesis macromolecule of the carbohydrate such as my primary amine, protein One or more of mixtures in thing PVP, PEG, polysaccharide hydrogel.
Additive can play carbon membrane support, carbon membrane other function point analysis, the regulation of carbon membrane precision, scale inhibition into Divide the regulation of the parameters such as rate of release.
Present invention also offers a kind of method for preparing above-mentioned scale inhibition carbon membrane, following steps are specifically included:Take The scale inhibition particle powdered carbon of different meshes is well mixed with binding agent, is existed by sleeve method or extrusion molding Sintering is prepared from a temperature of 120~300 DEG C.
It is preferred that, the sintering time is 10 minutes~4 hours.
Therefore, using the technical scheme of the embodiment of the present invention, have the advantages that:The present invention's Scale inhibition carbon membrane has accurate filtering accuracy, can effectively obstruct water body solid particulate matter, iron rust, silt, The insoluble matters such as bacterium, colloid, the pollutant such as also adsorbable chlorine residue, organic matter, while playing activated carbon sheet The efficacy of adsorption for the unique molecular sieve-type that body has, slow, long-acting can discharge the scale inhibition factor, two-way Effect reaches the generation for suppressing incrustation scale, effectively solves hot water, water purification field and treats the scale inhibition captured kindly for a long time and ask Topic, in fields such as Domestic water purifying, Central water purification, commercial water purification, water heater, HVAC and solar waters With extensive, significant application value.
Figure of description
Fig. 1 is scale inhibition carbon membrane technical principle schematic diagram of the present invention.
Embodiment
The present invention will be described in detail with specific examples below below, herein schematic implementation of the invention Example and explanation are used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1:The preparation of scale inhibition particle powdered carbon
By pure water and ethanol with 10:1 volume ratio configures 110 milliliters of mixed liquors, weighs 4 grams of scale inhibition materials HPMA is put into the mixed liquor of water and ethanol, is heated to 70 degree and constant temperature stirring, after it is completely dissolved, 100 grams of particle powdered carbons are added thereto and soaks and stirs 4 hours, filtering drying had both obtained HPMA contents and has been 4% scale inhibition particle powdered carbon I.
By pure water and ethanol with 10:1 volume ratio configures 110 milliliters of mixed liquors, weighs 4 grams of scale inhibition materials PESA is put into the mixed liquor of water and ethanol, is heated to 70 degree and constant temperature stirring, after it is completely dissolved, 100 grams of particle powdered carbons are added thereto and soaks and stirs 4 hours, filtering drying is stand-by, weighs 4 grams of days Right gelatin is dissolved in the mixed liquor (volume ratio 10 of 110 water and ethanol:1) above-mentioned particle powdered carbon, is added it Middle to soak and stir 4 hours, filtering drying had both obtained the scale inhibition particle powdered carbon II that PESA contents are 4%.
By pure water and ethanol with 10:1 volume ratio configures 110 milliliters of mixed liquors, weighs 10 grams of scale inhibition materials PBTCA is put into the mixed liquor of water and ethanol, is heated to 70 degree and constant temperature stirring, is treated that it is completely dissolved Afterwards, 100 grams of particle powdered carbons are added thereto and soak and stir 4 hours, filtering drying is stand-by, weighs 10 Gram natural gelatin is dissolved in the mixed liquor (volume ratio 10 of 110 water and ethanol:1), above-mentioned particle powdered carbon is added Enter wherein to soak and stir 4 hours, filtering drying had both obtained the scale inhibition particle powdered carbon that PBTCA contents are 10% III。
Embodiment 2:Scale inhibition carbon membrane B1 preparation
Respectively by 90 grams of 80-150 mesh, 90 grams of 150-250 mesh, 30 grams of 250-350 mesh composite scales Particle powdered carbon (is produced, scale inhibition material HPMA weight contents by Yin Jia Environmental Protection Technology Co., Ltd of Huizhou City Scale inhibition particle powdered carbon I for 4%) and 90 grams of LDPE binding agents insert in compounding jar and stir and evenly mix, will This compound powder is added to be compacted in grinding tool by compacting machine, is toasted 2 hours at 170 DEG C, and demoulding cutting was both Obtain scale inhibition carbon membrane B1 (sizes:External diameter=63mm, internal diameter=35mm, length=240mm).
Comparative example 2:Common carbon membrane A1 preparation
Respectively by 90 grams of 80-150 mesh, 90 grams of 150-250 mesh, 30 grams of 250-350 mesh actives Powdered carbon and 90 grams of LDPE binding agents are inserted in compounding jar and stirred and evenly mixed, and this compound powder is added in grinding tool Be compacted by compacting machine, at 170 DEG C toast 2 hours, the demoulding cutting both common carbon membrane A1 (sizes: External diameter=63mm, internal diameter=35mm, length=240mm).
Embodiment 3:Scale inhibition carbon membrane B2 preparation
Respectively by 90 grams of 80-150 mesh, 110 grams of 150-250 mesh, 40 grams of 250-350 mesh composite scales Particle powdered carbon (is produced, scale inhibition material PESA weight contents by Yin Jia Environmental Protection Technology Co., Ltd of Huizhou City Scale inhibition particle powdered carbon II for 4%) and 60 grams of LDPE high polymer binders insert in compounding jar and stir mixed It is even, this compound powder is added and is compacted in grinding tool by compacting machine, is toasted 2 hours at 190 DEG C, the demoulding Cutting both obtains scale inhibition carbon membrane B2 (sizes:External diameter=63mm, internal diameter=35mm, length=240mm).
Comparative example 3:Common carbon membrane A2 preparation
Respectively by 90 grams of 80-150 mesh, 110 grams of 150-250 mesh, 40 grams of 250-350 mesh actives Powdered carbon and 60 grams of LDPE high polymer binders are inserted in compounding jar and stirred and evenly mixed, and this compound powder is added Be compacted in grinding tool by compacting machine, at 190 DEG C toast 2 hours, the demoulding cutting both common carbon membrane A2 (size:External diameter=63mm, internal diameter=35mm, length=240mm).
Embodiment 4:Scale inhibition carbon membrane B3 preparation
Respectively by 100 grams of 80-150 mesh, 130 grams of 150-250 mesh, the compound resistance of 40 grams of 250-350 mesh Dirty particle powdered carbon (is produced, scale inhibition material PBTCA weight contains by Yin Jia Environmental Protection Technology Co., Ltd of Huizhou City Measure as 10% scale inhibition particle powdered carbon III) and 30 grams of LDPE high polymer binders insert in compounding jar and stir mixed It is even, this compound powder is added and is compacted in grinding tool by compacting machine, is toasted 2 hours at 190 DEG C, the demoulding Cutting both obtains scale inhibition carbon membrane B3 (sizes:External diameter=63mm, internal diameter=35mm, length=240mm).
Comparative example 4:Common carbon membrane A3 preparation
100 grams of 80-150 mesh, 130 grams of 150-250 mesh, 40 grams of 250-350 mesh are commonly lived respectively Property powdered carbon and 30 grams of LDPE high polymer binders are inserted in compounding jar and stirred and evenly mixed, and this compound powder is added Enter in grinding tool and to be compacted by compacting machine, toasted 2 hours at 190 DEG C, demoulding cutting both common carbon membrane A3 (sizes:External diameter=63mm, internal diameter=35mm, length=240mm).
Embodiment 5:A1, A2, A3 and B1, B2, B3 are to insoluble matters such as solid particulate matter, colloids Remove efficiency
Using underground water as source water, under 2.0bar pressure by the common carbon membrane A1 encapsulated, A2, A3 and scale inhibition B1, B2, B3, gathered data obtain the insoluble matters such as solid particulate matter, colloid respectively Remove efficiency.
Table one:Active carbon stick is detected to the removal efficiency of the insoluble matters such as solid particulate matter, colloid and contrasted
Data above can be seen that common carbon membrane can effectively obstruct water body solid particulate matter, iron rust, silt, The insoluble matters such as bacterium, colloid, with the addition of the scale inhibition carbon membrane of scale inhibition material to solid particulate matter, iron rust, mud The insoluble matters such as sand, bacterium, colloid have equal removal effect.
Embodiment 6:A1, A2, A3 and B1, B2, B3 scale inhibition efficacy test
Use environment on the spot is simulated in configuration hard water TDS630, discontinuous water flowing 5T is carried out and (often flows 10L Water stops 5 minutes), flow is constant (4L/min), uses scale inhibition carbon membrane and common carbon film water flowing, water intaking 0L, 1000L, 2000L, 3000L, 4000L, 5000L scale inhibition efficiency are detected after sample is boiled respectively.
Hard water collocation method:24.3g calcium chloride+11.12g magnesium chloride+24.3g sodium acid carbonate+80L running water;
Hardness:Calcium value:110ppm;Total alkalinity:3.5m mol/L;TDS:630ppm;Electrical conductivity: 1530us/cm。
Table two:Different carbon membrane scale inhibition test comparisons
Data above, which can be seen that scale inhibition carbon membrane, can effectively suppress the formation of incrustation scale, and can be slow, long-acting The scale inhibition factor is discharged, effect of long-acting scale inhibition is reached, greatly improves the scale inhibition life-span of scale inhibition carbon membrane.
The technical scheme provided above the embodiment of the present invention is described in detail, used herein Specific case is set forth to the principle and embodiment of the embodiment of the present invention, and above example is said It is bright to be only applicable to help the principle for understanding the embodiment of the present invention;Simultaneously for the general technology people of this area Member, according to the embodiment of the present invention, will change in embodiment and application, In summary, this specification content should not be construed as limiting the invention.

Claims (10)

1. a kind of scale inhibition carbon membrane, it is characterised in that by weight including following components:
80~150 15~35 parts of mesh scale inhibition particle powdered carbons;
150~250 15~40 parts of mesh scale inhibition particle powdered carbons;
250~350 5~15 parts of mesh scale inhibition particle powdered carbons;
10~30 parts of binding agent.
2. a kind of scale inhibition carbon membrane according to claim 1, it is characterised in that by weight including following Component:80~150 18 parts of mesh scale inhibition particle powdered carbons;
150~250 18 parts of mesh scale inhibition particle powdered carbons;
250~350 6 parts of mesh scale inhibition particle powdered carbons;
18 parts of binding agent.
3. a kind of scale inhibition carbon membrane according to claim 1 or 2, it is characterised in that:The binding agent is One kind in LDPE, HDPE, PVA.
4. a kind of scale inhibition carbon membrane according to claim 1 or 2, it is characterised in that the scale inhibition particle charcoal Powder is made by following methods:By pure water and ethanol with 10:1 volume ratio configuration mixed liquor, weighs scale inhibition Material is put into the mixed liquor of water and ethanol, is heated to 70 degree and constant temperature stirring, after it is completely dissolved, Particle powdered carbon is added thereto and soaks and stirs 4 hours, filtering drying was both obtained.
5. a kind of scale inhibition carbon membrane according to claim 4, it is characterised in that the scale inhibition carbon membrane is by following Method is made:In step by pure water and ethanol with 10:1 volume ratio configuration mixed liquor, weighs scale inhibition material Material is put into the mixed liquor of water and ethanol, is heated to 70 degree and constant temperature stirring, after it is completely dissolved, Particle powdered carbon is added thereto and soaks and stirs 4 hours, after filtering drying is both obtained, in addition to, claim A certain amount of additive is taken to be dissolved in the mixed liquor (volume ratio 10 of 110 water and ethanol:1), will be above-mentioned Particle powdered carbon, which is added thereto, to be soaked and stirs 4 hours, and filtering drying was both obtained.
6. a kind of scale inhibition carbon membrane according to claim 5, it is characterised in that:The weight of the scale inhibition material Content is 0.05~30%.
7. a kind of scale inhibition carbon membrane according to claim 5 or 6, it is characterised in that:The scale inhibition material is One kind in organic phospho acid, polyalcohol phosphonate ester, organic phosphonate, organic acid salt, polycarboxylic acid Or several mixtures.
8. a kind of scale inhibition carbon membrane according to claim 5 or 6, it is characterised in that:The additive is anti- Bacterium bacteriostatic agent, zeolite, diatomite in powder, polyhexene, polyethylene, polyacrylic acid, Sodium Polyacrylate, Polyacrylamide, the acetate ethylene copolymer of ethene one, the acetate fiber of polyvinyl acetate one, adipic acid, Salicylic acid, polyvinyl alcohol, cross-linked polymer, polymethacrylates, silicon rubber, agar, indissoluble The higher fatty acids of property or the ester of higher aliphatic, natural polymer gelatin, my primary amine, albumen The polymer starch of the carbohydrate such as matter, cellulose derivative, synthetic high polymer PVP, PEG, One or more of mixtures in polysaccharide hydrogel.
9. a kind of method of the scale inhibition carbon membrane prepared as described in claim 1~8 any one, it is characterised in that Comprise the following steps:Take the scale inhibition particle powdered carbon of different meshes to be well mixed with binding agent, pass through sleeve Method or extrusion molding are sintered 10 minutes~4 hours at a temperature of 120~300 DEG C and are prepared from.
10. scale inhibition carbon membrane as described in claim 1~8 any one is in the application in water purification field.
CN201610237219.2A 2016-04-15 2016-04-15 A kind of scale inhibition carbon membrane and its preparation method and application Pending CN107297153A (en)

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CN108579452A (en) * 2018-06-15 2018-09-28 南京水杯子科技股份有限公司 A kind of compound carbon membrane of graphene oxide and preparation method thereof
CN108892284A (en) * 2018-09-13 2018-11-27 泉州万滤达净水科技有限公司 A kind of inner container of electric water heater scale inhibition filter stick
CN108892284B (en) * 2018-09-13 2023-11-14 泉州万滤达净水科技有限公司 Scale-inhibiting filter stick for liner of electric water heater
CN109316965A (en) * 2018-10-22 2019-02-12 华中科技大学 Application of organic phosphonates as forward osmosis extraction solutes and forward osmosis devices
CN111718014A (en) * 2019-03-19 2020-09-29 佛山市顺德区美的饮水机制造有限公司 Activated carbon rod and preparation method thereof, activated carbon rod filter element and water treatment system
CN109809525A (en) * 2019-03-19 2019-05-28 惠州市银嘉环保科技有限公司 A household multi-stage ultrafiltration water purifier
CN110743369A (en) * 2019-10-16 2020-02-04 杭州澳科过滤技术有限公司 Hollow fiber ultrafiltration membrane with scale inhibition function and preparation method thereof
CN111634988A (en) * 2020-05-27 2020-09-08 惠州市银嘉环保科技有限公司 Reactive Oxygen Species (ROS) purification membrane and preparation method and application thereof
CN111659256A (en) * 2020-06-20 2020-09-15 深圳市优福环保科技有限公司 Scale inhibition filter membrane and preparation method thereof
CN114349138A (en) * 2022-01-11 2022-04-15 佛山市芯耀环保科技有限公司 Scale-inhibiting antibacterial material and preparation method thereof
CN114349106A (en) * 2022-01-11 2022-04-15 佛山市芯耀环保科技有限公司 Scale inhibition antibacterial activated carbon rod
CN114349138B (en) * 2022-01-11 2023-09-08 佛山市芯耀环保科技有限公司 Scale inhibition antibacterial material and preparation method thereof

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Application publication date: 20171027