CN102992460B - Production process of composite water purifier polymeric aluminum ferric phosphate sulfate - Google Patents
Production process of composite water purifier polymeric aluminum ferric phosphate sulfate Download PDFInfo
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- CN102992460B CN102992460B CN201210538882.8A CN201210538882A CN102992460B CN 102992460 B CN102992460 B CN 102992460B CN 201210538882 A CN201210538882 A CN 201210538882A CN 102992460 B CN102992460 B CN 102992460B
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- iron sulfate
- acid
- production process
- composite water
- polymer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 title abstract description 6
- 239000005955 Ferric phosphate Substances 0.000 title abstract 4
- 229940032958 ferric phosphate Drugs 0.000 title abstract 4
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 title abstract 4
- 229910000399 iron(III) phosphate Inorganic materials 0.000 title abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000005030 aluminium foil Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 9
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 7
- 239000011019 hematite Substances 0.000 claims abstract description 7
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001704 evaporation Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 34
- DKFCNIGGENJIJN-UHFFFAOYSA-L aluminum;iron(2+);sulfate Chemical compound [Al+3].[Fe+2].[O-]S([O-])(=O)=O DKFCNIGGENJIJN-UHFFFAOYSA-L 0.000 claims description 24
- 229920000642 polymer Polymers 0.000 claims description 21
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 17
- 239000012629 purifying agent Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 239000011435 rock Substances 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 230000006911 nucleation Effects 0.000 claims description 5
- 238000010899 nucleation Methods 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 230000002269 spontaneous effect Effects 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229910052586 apatite Inorganic materials 0.000 abstract 3
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 abstract 3
- 235000013312 flour Nutrition 0.000 abstract 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 230000003311 flocculating effect Effects 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- 238000007885 magnetic separation Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 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 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a production process of a composite water purifier polymeric aluminum ferric phosphate sulfate. In the production process, apatite, hematite, calcium aluminate powder, aluminium foil acid and sulfuric acid are used as raw materials, and the production process comprises the following steps: separating iron-containing mineral flour by using a magnetic separation method, and crushing the iron-containing mineral flour together with the apatite into powder; adding the aluminum foil acid and water into a reaction kettle, and heating; and then, adding the apatite, the hematite, the calcium aluminate powder, the aluminium foil acid and the sulfuric acid, and carrying out stirring, filter-pressing, evaporating and natural crystallizing to obtain the solid polymeric aluminum ferric phosphate sulfate. The production process disclosed by the invention is low in production cost, simple in technology, convenient to operate, free from secondary pollution, and capable of achieving the effect of treating wastes with wastes, and the composite water purifier, namely, the polymeric aluminum ferric phosphate sulfate, has the characteristics of high formation speed of flocculating constituents, large floccule density, high settling velocity of floccules and the like in a water treatment process.
Description
Technical field
The invention belongs to the production technique of water purification agent, be specifically related to a kind of production technique of polymer as composite water purifying agent phosphoric acid aluminium iron sulfate.
Background technology
Aluminium, iron polymer inorganic polymer water purification agent are the new chemical industry of getting up to the nineties research and development from the seventies, for improving people's quality of life and administering environment and played great role.Water purification agent kind is a lot, and production technique is different.The waste residue of vitriol works arbitrarily discharges at present, causes environmental pollution, is badly in need of administering.Chinese patent CN1219507A discloses a kind of " one-step production technique for ferric polysulfate solid water purifier ", utilizes Steel Plant and vitriol works containing ferric oxide waste residue and oxidant reaction, produces ferrous solid water purification agent bodied ferric sulfate.This patent application, only in the laboratory test stage, will add sulfuric acid gradation in the beaker containing ferric oxide waste residue in embodiment, and temperature of reaction need to be controlled at 40-70 ℃, this is difficult for grasping in actual production, in addition, production process is oxidizer not, and ferrous iron can not change into ferric iron, do not reach polymerization effect, and material is impure in scum, solid, liquid is not separated, and water-insoluble is too high, affect purifying water effect, do not possess suitability for industrialized production.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production technique of polymer as composite water purifying agent phosphoric acid aluminium iron sulfate, composite water purifying agent of the present invention, water purification quality is high, effective, for the treatment of domestic water, trade effluent, municipal effluent, reach the treatment of wastes with processes of wastes against one another, reduce control expense, reduce environmental pollution.
Technical solution of the present invention is: the raw material of producing polymer phosphate aluminium iron sulfate is phosphatic rock, rhombohedral iron ore, calcium aluminate powder, aluminium foil acid and sulfuric acid.
A kind of production technique of polymer as composite water purifying agent phosphoric acid aluminium iron sulfate is:
(1) by magnetic method, select rhombohedral iron ore, and same phosphatic rock, be ground into powder, stand-by;
(2) at pressure, be 0.2～0.6MPa, volume is 5m
3reactor in add the aluminium foil acid of 500～800L, then add 300～600L water, heating;
(3) when being elevated to 50～55 ℃, temperature adds the ground hematite of 300～400kg pulverizing and the floats of 100～200kg, a certain amount of sulfuric acid, and leaching yield 60-80%, aluminium foil acid concentration 45-50%, sulfuric acid concentration is 92.5-98%;
(4) at temperature-stable, add 200～400kg calcium aluminate powder during at 75～80 ℃, continue to be warmed up to 110 ℃, stirring reaction 1.5～2.0 hours;
(5) keep temperature, slaking, after 3～4 hours, is pressed mud with plate and frame(type)filter press, from clear liquid out in sheet frame, is polymer as composite water purifying agent phosphoric acid aluminium iron sulfate.
Above-mentioned polymer phosphate aluminium iron sulfate finished fluid is through dehydration by evaporation, and degree Beaume is controlled at 55-65 °, and then spontaneous nucleation after discharging is broken into granular or powdery, obtains solid polymerization phosphoric acid aluminium iron sulfate.
Application method of the present invention: a kind of polymer as composite water purifying agent phosphoric acid aluminium iron sulfate can be used for processing domestic water, trade effluent, municipal effluent etc., the waste water that adds water purification agent of the present invention, regulate at normal temperatures pH8-10, after stirring reaction 15-30min, in waste water, the clearance of COD can reach more than 90%, meets discharging standards.
Product of the present invention compares with identical polymer inorganic flocculating agent the advantage having: take phosphatic rock, rhombohedral iron ore, calcium aluminate powder, aluminium foil acid and sulfuric acid is raw material, and production cost is low, and technique is simple, and convenient operation does not produce secondary pollution, and production efficiency is high.
Embodiment
Example 1
By magnetic method, select rhombohedral iron ore, and same phosphatic rock, be ground into powder, stand-by; At pressure, be 0.2MPa, volume is 5m
3reactor in add the aluminium foil acid of 500L, then add 300L water, heating; When being elevated to 50 ℃, temperature adds the ground hematite of 300kg pulverizing and the floats of 200kg, a certain amount of sulfuric acid, and leaching yield 80%, aluminium foil acid concentration 45%, sulfuric acid concentration is 92.5%; At temperature-stable, add 200kg calcium aluminate powder during at 75 ℃, continue to be warmed up to 110 ℃, stirring reaction 1.5 hours; Keep temperature, slaking, after 3 hours, is pressed mud with plate and frame(type)filter press, from clear liquid out in sheet frame, is polymer as composite water purifying agent phosphoric acid aluminium iron sulfate; Polymer phosphate aluminium iron sulfate finished fluid is through dehydration by evaporation, and degree Beaume is controlled at 55 °, and then spontaneous nucleation after discharging is broken into granular or powdery, obtains solid polymerization phosphoric acid aluminium iron sulfate.This water purification agent is joined in waste water, regulate pH to 8, after stirring reaction 15min, in waste water, COD concentration drops to 25mg/L clearance by 250mg/L and can reach 90%, meets discharging standards.
Example 2
By magnetic method, select rhombohedral iron ore, and same phosphatic rock, be ground into powder, stand-by; At pressure, be 0.4MPa, volume is 5m
3reactor in add the aluminium foil acid of 650L, then add 400L water, heating; When being elevated to 52 ℃, temperature adds the ground hematite of 400kg pulverizing and the floats of 150kg, a certain amount of sulfuric acid, and leaching yield 70%, aluminium foil acid concentration 45%, sulfuric acid concentration is 95%; At temperature-stable, add 300kg calcium aluminate powder during at 78 ℃, continue to be warmed up to 110 ℃, stirring reaction 1.8 hours; Keep temperature, slaking, after 3.5 hours, is pressed mud with plate and frame(type)filter press, from clear liquid out in sheet frame, is polymer as composite water purifying agent phosphoric acid aluminium iron sulfate; Polymer phosphate aluminium iron sulfate finished fluid is through dehydration by evaporation, and degree Beaume is controlled at 60 °, and then spontaneous nucleation after discharging is broken into granular or powdery, obtains solid polymerization phosphoric acid aluminium iron sulfate.This water purification agent is joined in waste water, regulate pH to 9, after stirring reaction 25min, in waste water, COD concentration drops to 14.4mg/L clearance by 180mg/L and can reach 92%, meets discharging standards.
Example 3
By magnetic method, select rhombohedral iron ore, and same phosphatic rock, be ground into powder, stand-by; At pressure, be 0.6MPa, volume is 5m
3reactor in add the aluminium foil acid of 800L, then add 600L water, heating; When being elevated to 55 ℃, temperature adds the ground hematite of 600kg pulverizing and the floats of 100kg, a certain amount of sulfuric acid, and leaching yield 60%, aluminium foil acid concentration 50%, sulfuric acid concentration is 98%; At temperature-stable, add 400kg calcium aluminate powder during at 80 ℃, continue to be warmed up to 110 ℃, stirring reaction 2.0 hours; Keep temperature, slaking, after 4 hours, is pressed mud with plate and frame(type)filter press, from clear liquid out in sheet frame, is polymer as composite water purifying agent phosphoric acid aluminium iron sulfate; Polymer phosphate aluminium iron sulfate finished fluid is through dehydration by evaporation, and degree Beaume is controlled at 65 °, and then spontaneous nucleation after discharging is broken into granular or powdery, obtains solid polymerization phosphoric acid aluminium iron sulfate.This water purification agent is joined in waste water, regulate pH to 10, after stirring reaction 30min, in waste water, COD concentration drops to 15.6mg/L clearance by 260mg/L and can reach 94%, meets discharging standards.
Claims (2)
1. a production technique for polymer as composite water purifying agent phosphoric acid aluminium iron sulfate, is characterized in that: the raw material of producing polymer phosphate aluminium iron sulfate is phosphatic rock, rhombohedral iron ore, calcium aluminate powder, aluminium foil acid and sulfuric acid, and concrete steps are:
(1) by magnetic method, select rhombohedral iron ore, and same phosphatic rock, be ground into powder, stand-by;
(2) at pressure, be 0.2～0.6MPa, volume is 5m
3reactor in add the aluminium foil acid of 500～800L, then add 300～600L water, heating;
(3) when being elevated to 50～55 ℃, temperature adds the ground hematite of 300～400kg pulverizing and the floats of 100～200kg, a certain amount of sulfuric acid, and leaching yield 60-80%, aluminium foil acid concentration 45-50%, sulfuric acid concentration is 92.5-98%;
(4) at temperature-stable, add 200～400kg calcium aluminate powder during at 75～80 ℃, continue to be warmed up to 110 ℃, stirring reaction 1.5～2.0 hours;
(5) keep temperature, slaking, after 3～4 hours, is pressed mud with plate and frame(type)filter press, from clear liquid out in sheet frame, is polymer as composite water purifying agent phosphoric acid aluminium iron sulfate.
2. a kind of production technique of polymer as composite water purifying agent phosphoric acid aluminium iron sulfate according to claim 1, it is characterized in that: above-mentioned polymer phosphate aluminium iron sulfate finished fluid is through dehydration by evaporation, degree Beaume is controlled at 55-65 °, spontaneous nucleation after discharging, then be broken into granular or powdery, obtain solid polymerization phosphoric acid aluminium iron sulfate.
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| CN201210538882.8A CN102992460B (en) | 2012-12-11 | 2012-12-11 | Production process of composite water purifier polymeric aluminum ferric phosphate sulfate |
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| CN201210538882.8A CN102992460B (en) | 2012-12-11 | 2012-12-11 | Production process of composite water purifier polymeric aluminum ferric phosphate sulfate |
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| CN106241997B (en) * | 2016-09-21 | 2019-08-02 | 百色学院 | The method of rock phosphate in powder-red mud-inulin composite flocculation agent preparation method and processing sewage |
| CN110540280B (en) * | 2019-10-12 | 2020-04-24 | 广东华锋碧江环保科技有限公司 | Water purifying agent and preparation method thereof |
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| CN102432212B (en) * | 2011-09-06 | 2013-03-27 | 浙江大学 | Method for preparing composite aluminum phosphate and sulfate bonding agents from clay ore as raw materials |
| CN102689906B (en) * | 2012-06-07 | 2014-07-23 | 肇庆华锋电子铝箔股份有限公司 | Method for preparing polysilicate aluminum ferric chloride by using aluminum foil acid and ferrous acid |
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