CN104355356A - Sewage treatment agent as well as preparation method and application thereof - Google Patents
Sewage treatment agent as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN104355356A CN104355356A CN201410664075.XA CN201410664075A CN104355356A CN 104355356 A CN104355356 A CN 104355356A CN 201410664075 A CN201410664075 A CN 201410664075A CN 104355356 A CN104355356 A CN 104355356A
- Authority
- CN
- China
- Prior art keywords
- sewage
- treating agent
- polymer coagulant
- basifier
- vitriol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010865 sewage Substances 0.000 title abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 68
- 239000000701 coagulant Substances 0.000 claims abstract description 32
- 229920000642 polymer Polymers 0.000 claims abstract description 32
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 23
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000010457 zeolite Substances 0.000 claims abstract description 23
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 21
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 21
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 33
- 239000002994 raw material Substances 0.000 claims description 31
- 229920002401 polyacrylamide Polymers 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- 239000004343 Calcium peroxide Substances 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 claims description 4
- 235000019402 calcium peroxide Nutrition 0.000 claims description 4
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 4
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 4
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 4
- 150000002815 nickel Chemical class 0.000 claims description 4
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 229960001763 zinc sulfate Drugs 0.000 claims description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000000126 substance Substances 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract 3
- 231100000719 pollutant Toxicity 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- 239000010840 domestic wastewater Substances 0.000 abstract 1
- 230000016615 flocculation Effects 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 239000010842 industrial wastewater Substances 0.000 abstract 1
- 239000011859 microparticle Substances 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 23
- 239000002245 particle Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- ZGBSOTLWHZQNLH-UHFFFAOYSA-N [Mg].S(O)(O)(=O)=O Chemical compound [Mg].S(O)(O)(=O)=O ZGBSOTLWHZQNLH-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910001723 mesolite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to a sewage treatment agent as well as a preparation method and application thereof. The sewage treatment agent is composed of magnesium oxide, zeolite, sulfate, an alkalizer and a high polymer coagulant. The sewage treatment agent disclosed by the invention, when used for treating sewage, can physically adsorb pollutants in water, in particular ultra-micro molecules, other components can perform differentiated treatment on other pollutants in the water and especially acid pollutants can be decomposed and converted completely, and by processing suspended materials through flocculation of sulfate and the like, harmful substances are cladded and such heavy metals as chromium are agglutinated under attractive and repulsive force between ultra-micro particles, so that the harmful substances are prevented from being dissolved; moreover, the sewage processing agent is large in flocculant granules, short in settling time and relatively low in sludge, and therefore thorough sewage treatment is realized; treatment rate can reach more than 95%; regenerated water source after treatment is free from harm, and the processed water not only can reach discharge standard but also bring about benefit for recycling; and the sewage processing agent is suitable for popularization and application in the fields related to domestic and industrial wastewater comprehensive treatment.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of sewage-treating agent, preparation method and application thereof.
Background technology
Along with the development of industry, the usage quantity of water resources also increases thereupon, and on the earth only less than 1% fresh water and wherein only the water of about 0.007% directly can be utilized by the mankind, therefore, saving water resource and recycling water resources become people pay close attention to focus.In the recycling of water resources, sewage disposal is the most important thing.At present, the method of sewage disposal has the methods such as Physical, chemical method, biological treatment, although treatment process kind is many, but the following problem of ubiquity in numerous treatment process: Financial cost is high, complex treatment process, cannot disposable process objectionable impurities, particularly heavy metal needs multiplely repeatedly to process; Because sewage disposal does not thoroughly often cause the water source after process still to human body generation harm in various degree.
Therefore, need that research and develop can effective implemention sewage disposal technology more thoroughly badly, thus realize sewage discharge and reach standard, and be beneficial to recycling.
Summary of the invention
The object of the invention is, for prior art Problems existing, provide a kind of sewage-treating agent, preparation method and application thereof, make sewage disposal more thoroughly efficient, and effectively reduce Financial cost, ensure that sewage discharge reaches standard and provides high-quality water source for its recycling.
The technical scheme that the present invention deals with problems is: a kind of sewage-treating agent, and the raw material of described sewage-treating agent consists of: magnesium oxide, zeolite, vitriol, basifier and polymer coagulant.
Preferably, the feed composition weight percent of described sewage-treating agent is as follows: magnesium oxide is 15% ~ 40%, zeolite is 10% ~ 30%, vitriol is 20% ~ 60%, basifier is 10% ~ 30%, polymer coagulant is 2% ~ 30%.
Preferably, the feed composition weight percent of described sewage-treating agent is as follows: magnesium oxide is 20%, zeolite is 15%, vitriol is 35%, basifier is 20%, polymer coagulant is 10%.
Preferably, in sewage-treating agent of the present invention, described polymer coagulant is polyacrylamide.
Preferably, in sewage-treating agent of the present invention, described polymer coagulant is one or both in negative ion polyacrylamide and positive ions polyacrylamide; When negative ion polyacrylamide and positive ions polyacrylamide Combination application, preferably, the mass ratio of negative ion polyacrylamide and positive ions polyacrylamide is 1: 1 to 1: 3
Preferably, in sewage-treating agent of the present invention, described vitriol is the one in Tai-Ace S 150, ferric sulfate, magnesium sulfate, zinc sulfate, single nickel salt, Cadmium Sulphate, Sulfuric acid disilver salt and manganous sulfate.
Preferably, in sewage-treating agent of the present invention, described basifier is the one in sodium hydroxide, slaked lime, sodium peroxide and calcium peroxide.
Present invention also offers a kind of preparation method of sewage-treating agent, any two or more in the raw material of above-mentioned sewage-treating agent is added after stirring in stirrer, add remaining raw material stirring evenly, obtain sewage-treating agent product.
Preferably, in sewage-treating agent preparation method of the present invention, by feeder, material oxidation magnesium and polymer coagulant are joined stirring more than 10 minutes in stirrer simultaneously; Then, join in described stirrer by feeder by remaining raw material zeolite, vitriol and basifier, continue stirring more than 10 minutes, concrete churning time is to ensure that the homogeneity of product is for standard; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
Preferably, in sewage-treating agent preparation method of the present invention, described each raw material is pulverized by pulverizer before stirring, and wherein, described magnesium oxide, zeolite, vitriol, basifier and polymer coagulant all can cross 200 mesh sieves; Preferably, the particle size range of described magnesium oxide, zeolite, vitriol, basifier and polymer coagulant is 50 μm ~ 75 μm, so that mix and ensure that the performance of product is consistent.
Compared with prior art, apply sewage-treating agent of the present invention and carry out sewage disposal, efficiency is high, cost is low, it carries out physical adsorption by zeolite to water pollutant especially ultra micron molecule, by other components, differentiation process is carried out to other pollutents in water, especially acid contaminant can obtain abundant decomposition and inversion, simultaneously, the throwing out such as vitriol and basifier process suspended substance (SS), the magnetism between ultramicron and repulsive force effect is utilized to carry out being coated with harmful substances, the heavy metals such as aggegation chromium, thus make objectionable impurities not stripping, and, coagulated particles is large, sedimentation time is short, mud is less, and then realize sewage disposal thoroughly, processing rate can reach more than 95%, ensure that the regeneration water source after process is without harm, after process, gained water can not only reach emission standard but also be beneficial to water resources recycling, be suitable for applying in life and trade effluent comprehensive regulation association area.
Embodiment
With specific embodiment, the present invention is further illustrated below, but protection scope of the present invention is not limited to this.
The experimental technique used in following embodiment if no special instructions, is ordinary method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
Embodiment 1
A kind of sewage-treating agent, its feed composition weight percent is as shown in table 1.
In above-mentioned sewage-treating agent, raw material sulphuric acid salt is Tai-Ace S 150, and basifier is sodium hydroxide, and polymer coagulant is negative ion polyacrylamide.
The method preparing above-mentioned sewage-treating agent for: two kinds of raw materials to be joined in stirrer by feeder by magnesium oxide in raw material shown in table 1 and polymer coagulant simultaneously and stir 10 minutes; Then, by feeder, remaining raw material zeolite, vitriol and basifier are joined in same stirrer, continue stirring 10 minutes; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
In the preparation method of above-mentioned sewage-treating agent, magnesium oxide, zeolite, vitriol, basifier and polymer coagulant is also needed to pulverize before stirring, cross 200 mesh sieves and 300 mesh sieves respectively, it is 50 μm ~ 75 μm to make its particle size range, thus while mixing homogeneity is improved, the uniformity consistency of the performance of the sewage-treating agent prepared by guarantee.
Embodiment 2
A kind of sewage-treating agent, its feed composition weight percent is as shown in table 1.
In above-mentioned sewage-treating agent, raw material sulphuric acid salt is ferric sulfate, and basifier is slaked lime, and polymer coagulant is positive ions polyacrylamide.
The method preparing above-mentioned sewage-treating agent for: two kinds of raw materials to be joined in stirrer by feeder by magnesium oxide in raw material shown in table 1 and ferric sulfate simultaneously and stir 15 minutes; Then, by feeder, remaining raw material zeolite, polymer coagulant and slaked lime are joined in same stirrer, continue stirring 18 minutes; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
In the preparation method of above-mentioned sewage-treating agent, magnesium oxide, zeolite, vitriol, basifier and polymer coagulant is also needed to pulverize before stirring, cross 200 mesh sieves and 300 mesh sieves respectively, it is 50 μm ~ 75 μm to make its particle size range, thus while mixing homogeneity is improved, the uniformity consistency of the performance of the sewage-treating agent prepared by guarantee.
Embodiment 3
A kind of sewage-treating agent, its feed composition weight percent is as shown in table 1.
In above-mentioned sewage-treating agent, raw material sulphuric acid salt is single nickel salt, and basifier is sodium peroxide; Polymer coagulant is negative ion polyacrylamide and positive ions polyacrylamide, and both mass ratioes are 1: 1.
The method preparing above-mentioned sewage-treating agent for: two kinds of raw materials to be joined in stirrer by feeder by magnesium oxide in raw material shown in table 1 and sodium peroxide simultaneously and stir 10 minutes; Then, by feeder, remaining raw material zeolite, polymer coagulant and single nickel salt are joined in same stirrer, continue stirring 20 minutes; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
In the preparation method of above-mentioned sewage-treating agent, magnesium oxide, zeolite, vitriol, basifier and polymer coagulant is also needed to pulverize before stirring, cross 200 mesh sieves and 300 mesh sieves respectively, it is 50 μm ~ 75 μm to make its particle size range, thus while mixing homogeneity is improved, the uniformity consistency of the performance of the sewage-treating agent prepared by guarantee.
Embodiment 4
A kind of sewage-treating agent, its feed composition weight percent is as shown in table 1.
In above-mentioned sewage-treating agent, raw material sulphuric acid salt is manganous sulfate, and basifier is calcium peroxide; Polymer coagulant is negative ion polyacrylamide and positive ions polyacrylamide, and both mass ratioes are 1: 3.
The method preparing above-mentioned sewage-treating agent for: two kinds of raw materials to be joined in stirrer by feeder by manganous sulfate in raw material shown in table 1 and calcium peroxide simultaneously and stir 19 minutes; Then, by feeder, remaining raw material zeolite, polymer coagulant and magnesium oxide are joined in same stirrer, continue stirring 22 minutes; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
In the preparation method of above-mentioned sewage-treating agent, magnesium oxide, zeolite, vitriol, basifier and polymer coagulant is also needed to pulverize before stirring, cross 200 mesh sieves and 300 mesh sieves respectively, it is 50 μm ~ 75 μm to make its particle size range, thus while mixing homogeneity is improved, the uniformity consistency of the performance of the sewage-treating agent prepared by guarantee.
Embodiment 5
A kind of sewage-treating agent, its feed composition weight percent is as shown in table 1.
In above-mentioned sewage-treating agent, raw material sulphuric acid salt is magnesium sulfate, and basifier is sodium hydroxide; Polymer coagulant is negative ion polyacrylamide.
The method preparing above-mentioned sewage-treating agent for: two kinds of raw materials to be joined in stirrer by feeder by the mesolite of raw material shown in table 1 and sodium hydroxide simultaneously and stir 20 minutes; Then, when remaining raw material sulphuric acid magnesium, polymer coagulant and magnesium oxide being joined by feeder in a stirrer, continue stirring 16 minutes; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
In the preparation method of above-mentioned sewage-treating agent, magnesium oxide, zeolite, vitriol, basifier and polymer coagulant is also needed to pulverize before stirring, cross 200 mesh sieves and 300 mesh sieves respectively, it is 50 μm ~ 75 μm to make its particle size range, thus while mixing homogeneity is improved, the uniformity consistency of the performance of the sewage-treating agent prepared by guarantee.
Application Example
For the electroplating wastewater that damage ratio in trade effluent is more serious, the sewage-treating agent of embodiment 1 to embodiment 5 is carried out sewage disposal application, and detect according to national standards such as GB11901-1989, GB6920-1986, GB6920-1986 and GB7467-1987, concrete detection method and instrument are in table 2; Preferably, when adding in pending waste water, the concentration of sewage-treating agent of the present invention is more than 1000ppm; Preferably, in application process, after adding sewage-treating agent, first rapid stirring 3 ~ 5 minutes, is shown in after having preliminary state of aggregation, and low rate mixing stopped after 5 ~ 10 minutes, can see obvious agglutinator precipitation, then carry out the purifying treatment that solid-liquid separating machine completes sewage; Preferably, before add sewage-treating agent of the present invention in waste water, the pH of waste water is regulated to be 9 ~ 11.5 in advance; Apply sewage-treating agent of the present invention and carry out detected result before and after wastewater treatment in table 3.
Through application, the mode that sewage-treating agent of the present invention is combined with chemisorption by physical adsorption carries out wastewater treatment, and the main process adopting the mode of aggegation to realize trade effluent, efficiency is high, and the mud of generation is also less.From table 3, after process, sewage indices SS, pH value, total chromium, sexavalent chrome, total nickel, total copper, total zinc, total iron, total aluminum values all reach direct emission request, achieve sewage disposal more up hill and dale, processing rate reaches more than 95%, water source after process is without harm, after process, gained water reaches emission standard completely, and is beneficial to subsequent recovery utilization.
Table 1
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Magnesium oxide | 20％ | 15％ | 40％ | 16％ | 23％ |
| Zeolite | 15％ | 10％ | 20％ | 30％ | 11％ |
| Vitriol | 35％ | 60％ | 20％ | 21％ | 25％ |
| Basifier | 20％ | 10％ | 18％ | 30％ | 11％ |
| Polymer coagulant | 10％ | 5％ | 2％ | 3％ | 30％ |
Table 2
Table 3
The present invention is not limited to above-mentioned embodiment, and when not deviating from flesh and blood of the present invention, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present invention.
Claims (10)
1. a sewage-treating agent, is characterized in that, the raw material of described sewage-treating agent consists of: magnesium oxide, zeolite, vitriol, basifier and polymer coagulant.
2. sewage-treating agent according to claim 1, it is characterized in that, the feed composition weight percent of described sewage-treating agent is as follows: magnesium oxide is 15% ~ 40%, zeolite is 10% ~ 30%, vitriol is 20% ~ 60%, basifier is 10% ~ 30%, polymer coagulant is 2% ~ 30%.
3. sewage-treating agent according to claim 1, is characterized in that, the feed composition weight percent of described sewage-treating agent is as follows: magnesium oxide is 20%, zeolite is 15%, vitriol is 35%, basifier is 20%, polymer coagulant is 10%.
4. sewage-treating agent according to claim 1, is characterized in that, described polymer coagulant is polyacrylamide.
5. sewage-treating agent according to claim 1, is characterized in that, described polymer coagulant is one or both in negative ion polyacrylamide and positive ions polyacrylamide.
6. sewage-treating agent according to claim 1, is characterized in that, described vitriol is the one in Tai-Ace S 150, ferric sulfate, magnesium sulfate, zinc sulfate, single nickel salt, Cadmium Sulphate, Sulfuric acid disilver salt and manganous sulfate.
7. sewage-treating agent according to claim 1, is characterized in that, described basifier is the one in sodium hydroxide, slaked lime, sodium peroxide and calcium peroxide.
8. a preparation method for sewage-treating agent, adds any two or more in the raw material of the sewage-treating agent described in any one of claim 1-7 after stirring in stirrer, adds remaining raw material stirring evenly, obtains sewage-treating agent product.
9. sewage-treating agent preparation method according to claim 8, is characterized in that, by feeder, material oxidation magnesium and polymer coagulant is joined stirring more than 10 minutes in stirrer simultaneously; Then, by feeder, remaining raw material zeolite, vitriol and basifier are joined in described stirrer, continue stirring more than 10 minutes; Then stirring products obtained therefrom is packed respectively by blanking wrapping machine.
10. sewage-treating agent preparation method according to claim 8, is characterized in that, described each raw material is pulverized by pulverizer before stirring, and wherein, described magnesium oxide, zeolite, vitriol, basifier and polymer coagulant all can cross 200 mesh sieves.
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Inventor after: Ishii Yuki Inventor after: Liu Jizhong Inventor after: Xu Jie Inventor before: Ishii Yuki Inventor before: Liu Jizhong |