CN102475997B - Structure filter core for removing molybdenum in drinking water and preparation method of structure filter core - Google Patents
Structure filter core for removing molybdenum in drinking water and preparation method of structure filter core Download PDFInfo
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- CN102475997B CN102475997B CN 201110320737 CN201110320737A CN102475997B CN 102475997 B CN102475997 B CN 102475997B CN 201110320737 CN201110320737 CN 201110320737 CN 201110320737 A CN201110320737 A CN 201110320737A CN 102475997 B CN102475997 B CN 102475997B
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- filter core
- drinking water
- molybdenum
- structure filter
- copper
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 38
- 239000011733 molybdenum Substances 0.000 title claims abstract description 38
- 239000003651 drinking water Substances 0.000 title claims abstract description 35
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 25
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 25
- 239000011812 mixed powder Substances 0.000 claims abstract description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000001354 calcination Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- LBSAHBJMEHMJTN-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Zn].[Zn] LBSAHBJMEHMJTN-UHFFFAOYSA-N 0.000 claims description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 150000002500 ions Chemical class 0.000 abstract description 3
- NYZRMWCPMJEXKL-UHFFFAOYSA-N [Fe].[Cu].[Zn] Chemical compound [Fe].[Cu].[Zn] NYZRMWCPMJEXKL-UHFFFAOYSA-N 0.000 abstract 1
- 239000003522 acrylic cement Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 239000002384 drinking water standard Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 241001466460 Alveolata Species 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 206010000059 abdominal discomfort Diseases 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a structure filter core for removing molybdenum in drinking water and a preparation method of the structure filter core, belonging to the technical field of purification treatment of the drinking water. The preparation method of the structure filter core comprises the following steps of: taking polytetrafluoroethylene, diatomite, iron-copper-zinc mixed powder, acrylic adhesive and azoaminobenzene according to formula proportions; mixing and uniformly agitating the raw materials and then placing the mixture into a honeycomb-shaped mould; calcining the mould at a high temperature and molding; cooling the mould to the room temperature and then de-molding to obtain a porous honeycomb-shaped structure filter core. The structure filter core provided by the invention can be used for highly selectively removing the molybdenum in the drinking water and the treatment effect is not influenced by other ions; and the harms to human bodies by the over-proof molybdenum in thewater are avoided while the drinking water is purified. By testing, the molybdenum in the drinking water which is purified by the structure filter core can stably meet the standards of the drinking water.
Description
Technical field
The present invention is a kind of filter core of removing molybdenum in the drinking water and preparation method thereof, relates to the removal of molybdenum in the drinking water, belongs to technical filed of drinking water purifying treatment.
Background technology
When industry, agricultural develop rapidly, the water resource of China has been suffered serious destruction, a large amount of industrial wastewater discharges is gone in the water body, destroyed our ecological environment, a large amount of uses of agricultural chemicals, pesticide and the random discharging of house refuse, make the quality of groundwater variation directly or indirectly, the molybdenum phenomenon that exceeds standard in drinking water source ground is serious.
Molybdenum is the essential trace elements of animals and plants, extensively is present in soil, water, air and the organism.Content and the human health, growth and development of plants and animals of molybdenum in environment is in close relations.Excessive molybdenum can influence vegeto-animal normal physiological metabolism, causes that human body goat, gastrointestinal discomfort and kidney are impaired etc.
The molybdenum method of removing commonly used has sulphide precipitation, adsorption coprecipitation method, ion-exchange, solvent extraction and selective precipitation method.The precipitation method can make water middle and high concentration molybdenum reduce rapidly, and treatment effect is good, but long processing period, except the molybdenum degree of depth is difficult to reach drinking water standard.Though ion-exchange has certain application example, one-time investment is big, the operating cost height, and resin vulnerable to pollution or oxidation deactivation, regeneration is frequent, and regeneration is not exclusively.Notification number is that CN1085736C discloses a kind of ion-exchange method except molybdenum from ammonium tungstate solution, this invention strong alkaline quaternary ammonium type resin anion (R.A.) agent in return, and hydrogen peroxide is made regenerative agent, has improved except the molybdenum rate, removes molybdenum but be suitable for drinking water.
Summary of the invention
The objective of the invention is for overcoming the deficiencies in the prior art, a kind of filter core of removing molybdenum in the drinking water and preparation method thereof is provided, filter core of the present invention has highly selective and removes the molybdenum of answering in the water, treatment effect is not subjected to the influence of other ions in the water, when having purified drinking water, exempted the molybdenum that exceeds standard in the water to the harm of human body.After tested, adopt behind the filter core of the present invention molybdenum in the drinking water to stablize and reach drinking water standard.
The objective of the invention is to be achieved through the following technical solutions:
A kind of filter core of removing molybdenum in the drinking water, the mass percent of each raw material is respectively:
170 purpose diatomite, 20%～40% iron/copper-zinc mixed powder 5%～10%
Acrylic acid gluing agent 5%～10% azoaminobenzene 1%～10%
The polytetrafluoroethylene (PTFE) 31%～40% of 9,000,000～1,100 ten thousand molecular weight.
Preferably, a kind of filter core of removing molybdenum in the drinking water, the mass percent of each raw material is respectively:
170 purpose diatomite, 30%～40% iron/copper-zinc mixed powder 7%～10%
Acrylic acid gluing agent 7%～10% azoaminobenzene 4%～8%
The polytetrafluoroethylene (PTFE) 35%～40% of 9,000,000～1,100 ten thousand molecular weight.
More preferably, a kind of filter core of removing molybdenum in the drinking water, the mass percent of each raw material is respectively:
170 purpose diatomite, 35% iron/copper-zinc mixed powder 9%
Acrylic acid gluing agent 10% azoaminobenzene 8%
The polytetrafluoroethylene (PTFE) 38% of 9,000,000～1,100 ten thousand molecular weight.
The proportion of composing of described iron/copper-zinc mixed powder is 32 parts of iron, 48 parts of copper, 20 parts of zinc, and its order number is 80～200 orders.
The order number of described polytetrafluoroethylene (PTFE) is 80～160 orders.
A kind of preparation method who removes the filter core of molybdenum in the drinking water of the present invention, it may further comprise the steps:
Measure polytetrafluoroethylene (PTFE), diatomite, iron/copper-zinc mixed powder, the agent of acrylic acid gluing, azoaminobenzene by prescription, after the mixing and stirring, place honeycomb die, the high-temperature calcination moulding, be cooled to the demoulding after the room temperature, namely obtain the porous honeycomb structure filter core.In use, bare structure filter core of the present invention with behind the nonwoven parcel, is placed in the carrier of stainless steel or plastic casing and other any corresponding sizes again, get final product.
The present invention is a kind of to remove in the preparation process of the filter core of molybdenum in the drinking water, and calcining heat is controlled at 400 ℃～600 ℃, and calcination time is 180～300 minutes.
The invention has the beneficial effects as follows:
(1) raw material sources are extensive, and are cheap;
(2) manufacturing process is simple, easily realizes suitability for industrialized production;
(3) highly selective is removed the molybdenum of answering in the water, and treatment effect is not subjected to the influence of other ions in the water;
When (4) having purified drinking water, exempted the molybdenum that exceeds standard in the water to the harm of human body;
(5) adopt filter core Drinking Water of the present invention after, the molybdenum in the water can be stablized and reaches drinking water standard;
(6) handle simply, easy to operate, especially be fit to the home terminal drinking water treatment.
The specific embodiment
The present invention is described in further detail below in conjunction with example.
Example 1
By mass percentage:
170 purpose diatomite, 35% iron/copper-zinc mixed powder 9%(80 order)
Acrylic acid gluing agent 10% azoaminobenzene 8%
The polytetrafluoroethylene (PTFE) 38%(110 order of 1,000 ten thousand molecular weight)
Its preparation method is as follows:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 500 ℃ of following sintering after 180 minutes, be cooled to the demoulding after the room temperature, namely obtain the porous honeycomb structure filter core.
Example 2
By mass percentage:
170 purpose diatomite, 40% iron/copper-zinc mixed powder 6%(90 order)
Acrylic acid gluing agent 8% azoaminobenzene 6%
The polytetrafluoroethylene (PTFE) 40%(140 order of 9,000,000 molecular weight)
Its preparation method is as follows:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 400 ℃ of following sintering after 200 minutes, be cooled to the demoulding after the room temperature, namely obtain the porous honeycomb structure filter core.
Example 3
By mass percentage:
170 purpose diatomite, 30% iron/copper-zinc mixed powder 10%(100 order)
Acrylic acid gluing agent 10% azoaminobenzene 10%
The polytetrafluoroethylene (PTFE) 40%(100 order of 1,100 ten thousand molecular weight)
Its preparation method is as follows:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 450 ℃ of following sintering after 300 minutes, be cooled to the demoulding after the room temperature, namely obtain the porous honeycomb structure filter core.
Example 4
By mass percentage:
170 purpose diatomite, 40% iron/copper-zinc mixed powder 10% (150 order)
Acrylic acid gluing agent 9% azoaminobenzene 5%
The polytetrafluoroethylene (PTFE) 36%(80 order of 9,000,000 molecular weight)
Its preparation method is as follows:
Take by weighing each raw material by formula ratio, after the mixing and stirring, place honeycomb die, at 600 ℃ of following sintering after 240 minutes, be cooled to the demoulding after the room temperature, namely obtain the porous honeycomb structure filter core.
Example 5
Get the alveolate texture filter core 1 of the many minute apertures of example 1-4 gained, 2,3, behind the 4 usefulness nonwoven parcel, place again in the carrier of stainless steel or plastic casing and other any corresponding sizes, for the treatment of drinking water, after testing, this filter core is good, as shown in table 1 to the removal effect of the molybdenum in the drinking water.The needs that are fit to very much the home terminal drinking water treatment.
Table 1 uses filter core to handle the water of front and back, and method of testing adopts GB/T 5750-2006 unit: μ g/L
As can be seen from Table 1, utilize filter core Drinking Water of the present invention after, the molybdenum in the drinking water is far below drinking water standard limit value 70 μ g/L, illustrates that the molybdenum that adopts filter core of the present invention to remove in the drinking water obtained good effect.
Claims (5)
1. filter core of removing molybdenum in the drinking water, it is characterized in that: the mass percent of each raw material is respectively:
170 purpose diatomite, 20%～40% iron/copper-zinc mixed powder 5%～10%
Acrylic acid gluing agent 5%～10% azoaminobenzene 1%～10%
The polytetrafluoroethylene (PTFE) 31%～40% of 9,000,000～1,100 ten thousand molecular weight.
2. a kind of filter core of removing molybdenum in the drinking water according to claim 1, it is characterized in that: the mass percent of each raw material is respectively:
170 purpose diatomite, 30%～40% iron/copper-zinc mixed powder 7%～10%
Acrylic acid gluing agent 7%～10% azoaminobenzene 4%～8%
The polytetrafluoroethylene (PTFE) 35%～40% of 9,000,000～1,100 ten thousand molecular weight.
3. a kind of filter core of removing molybdenum in the drinking water according to claim 2, it is characterized in that: the mass percent of each raw material is respectively:
170 purpose diatomite, 35% iron/copper-zinc mixed powder 9%
Acrylic acid gluing agent 10% azoaminobenzene 8%
The polytetrafluoroethylene (PTFE) 38% of 9,000,000～1,100 ten thousand molecular weight.
4. a kind of filter core of removing molybdenum in the drinking water according to claim 1, it is characterized in that: the proportion of composing of described iron/copper-zinc mixed powder is 32 parts of iron, 48 parts of copper, 20 parts of zinc, and its order number is 80～200 orders.
5. a kind of filter core preparation method who removes molybdenum in the drinking water according to claim 1, it is characterized in that: the preparation method is: measure each raw material by prescription, after the mixing and stirring, place honeycomb die, 400 ℃～600 ℃ calcining moulding down, calcination time is 180～300 minutes, is cooled to the demoulding after the room temperature, namely obtains the porous honeycomb structure filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110320737 CN102475997B (en) | 2011-10-20 | 2011-10-20 | Structure filter core for removing molybdenum in drinking water and preparation method of structure filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110320737 CN102475997B (en) | 2011-10-20 | 2011-10-20 | Structure filter core for removing molybdenum in drinking water and preparation method of structure filter core |
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| Publication Number | Publication Date |
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| CN102475997A CN102475997A (en) | 2012-05-30 |
| CN102475997B true CN102475997B (en) | 2013-09-11 |
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| CN 201110320737 Expired - Fee Related CN102475997B (en) | 2011-10-20 | 2011-10-20 | Structure filter core for removing molybdenum in drinking water and preparation method of structure filter core |
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| CN111774030A (en) * | 2020-07-17 | 2020-10-16 | 安徽工业大学 | A kind of preparation method of diatomite-loaded nano-zero-valent iron-copper bimetallic composite material |
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| CN101628231A (en) * | 2008-07-15 | 2010-01-20 | 周奇迪 | Filter medium for removing giardia and cryptosporidium in water and preparation method thereof |
| CN102180676A (en) * | 2011-01-04 | 2011-09-14 | 厦门建霖工业有限公司 | Preparation method of ceramic balls loaded with nano copper-zinc-silver |
| CN102212476A (en) * | 2011-03-07 | 2011-10-12 | 杭州向天歌生物科技有限公司 | Method for cleanly and efficiently producing microorganism bactericide |
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2011
- 2011-10-20 CN CN 201110320737 patent/CN102475997B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596147A (en) * | 2000-05-16 | 2005-03-16 | 沃特维森斯国际公司 | Filter devices and methods of use |
| CN1527738A (en) * | 2001-02-06 | 2004-09-08 | 沃特维森斯国际公司 | Compositions of insoluble magnesium containing minerals for use in fluid filtration |
| CN1400239A (en) * | 2001-08-06 | 2003-03-05 | 上海杰事杰新材料股份有限公司 | Nano-grade inorganics filled synthetic resin micropore material |
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| CN102180676A (en) * | 2011-01-04 | 2011-09-14 | 厦门建霖工业有限公司 | Preparation method of ceramic balls loaded with nano copper-zinc-silver |
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