CN1883745A - Natural mineral adsorption filtering agent - Google Patents
Natural mineral adsorption filtering agent Download PDFInfo
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- CN1883745A CN1883745A CN 200610040712 CN200610040712A CN1883745A CN 1883745 A CN1883745 A CN 1883745A CN 200610040712 CN200610040712 CN 200610040712 CN 200610040712 A CN200610040712 A CN 200610040712A CN 1883745 A CN1883745 A CN 1883745A
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- Prior art keywords
- filtration
- natural
- acidifying
- filter medium
- acidified
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 24
- 239000011707 mineral Substances 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 title abstract description 16
- 239000003795 chemical substances by application Substances 0.000 title abstract description 5
- 238000001179 sorption measurement Methods 0.000 title abstract description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 17
- 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 17
- 239000010457 zeolite Substances 0.000 claims abstract description 17
- 239000004927 clay Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000440 bentonite Substances 0.000 claims abstract description 11
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000011435 rock Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 5
- 238000012216 screening Methods 0.000 claims abstract description 4
- 230000000274 adsorptive effect Effects 0.000 claims description 20
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229960000892 attapulgite Drugs 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 229910052625 palygorskite Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 230000020477 pH reduction Effects 0.000 description 19
- 238000009395 breeding Methods 0.000 description 12
- 230000001488 breeding effect Effects 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000206761 Bacillariophyta Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 231100000678 Mycotoxin Toxicity 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002636 mycotoxin Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a natural mineral adsorption filtration agent, which comprises acidified zeolite, acidified attapulgite clay, acidified bentonite, acidified kieselguhr, volcanic rock and high-alumina clay. The preparation method of filtration agent is mixing, disintegrating, screening and packaging raw material to finished product. The filtration agent particles have rough surface, a lot of micropore inside, light specific gravity, large specific surface area and good adsorption capability, and are main raw material for preparing forming filtration material such as filtration plate, filtration block, filtration core, filtration pottery slice and filtration ring.
Description
Technical field:
The present invention relates to absorption filter agent, be specifically related to a kind of natural-minerals adsorptive filter medium.
Background technology:
For production efficiency and the economic benefit that improves breeding water body, plant takes the high density intensive culture mostly, the balanced capacity of water ecosystem is limited, the high density intensive culture, a large amount of bait throwing in easily cause water body dissolved oxygen deficiency, cause and produce a large amount of organic matters in the water, algal grown is too fast, water colour changes greatly, and the pH value is unstable, and ammonia-nitrogen content exceeds standard.For making the limited maximum production capacity of breeding water body performance, must keep good water quality environment condition, this just must solve by loose, the corrupt water pollutions that caused of organic matter such as residual bait and excreta, minimizing is owing to the excessive harm that causes of harmful substance, the raising culture benefit.
In the process for purifying of breeding water body, begun to use molding filter materials such as various filters, filter block, mistake filter core, filtration pottery sheet and filtering ring to carry out purification of water quality, these molding filter materials are made up of raw materials such as quartz sand, steel wire, plastics and strings mostly, absorption and strainability are relatively poor in actual applications, biofilm efficient is low, the growth and breeding that is unfavorable for biological bacteria can not effectively reduce the ammonia-nitrogen content of breeding water body.
Summary of the invention:
The objective of the invention is to overcome weak point in the prior art, a kind of cheap, absorption and all reasonable natural-minerals adsorptive filter medium of filter effect are provided.
Zeolite, Concave-convex clay rod acidifying after, bentonite acidifying after, diatomite acidifying after, volcanic rock and the alumine of the batching of natural-minerals adsorptive filter medium after by acidifying formed.
The preparation method of natural-minerals adsorptive filter medium is that finished product is mixed, pulverized, sieves, is packaged as to the batching process of natural-minerals adsorptive filter medium.
Zeolite can be selected some heavy metal of exchange, can be used for removing heavy metal ion, zeolite has very big specific area, can produce bigger extension, be outstanding adsorbent, and it not only can regulate water quality zeolite, remove the harmful substance in the water body, and mycotoxin had detoxification, the growth and breeding of useful biological bacteria in can also promoting in the breeding water body is to reduce the ammonia-nitrogen content of breeding water body.Zeolite behind acidifying and the high-temperature activation contains a large amount of holes, nutrients can be adsorbed in its a large amount of hole, directly award the breeding place of planktonic organism the best, keep the stable and content of microorganisms of water colour, because zeolite has very strong suction-operated, organic, harmful substance can be adsorbed in the hole of zeolite.
Concave-convex clay rod soil property exquisiteness, smooth surface, be viscosity and plasticity when moist, its viscosity can reach more than the 3000mPas, and dry contraction is little, and do not produce be full of cracks, help the bonding between the filter raw material, the hardness of Concave-convex clay rod is Mohs 2～3 degree, when sintering temperature reaches 450～650 ℃, the hardness of Concave-convex clay rod rises to Mohs 5～6 degree, can guarantee the active strength of natural-minerals adsorptive filter medium; After the Concave-convex clay rod acidification, specific area can reach 350m
2More than/the g, its absorption property is greatly improved.
Bentonite has higher molecule porosity, and higher plasticity and stronger caking property are arranged, and hot green tensile strength and dry-pressing intensity are higher; Stronger cation exchange capacity (CEC) is arranged, all gases, liquid, organic substance are had certain adsorption capacity, maximal absorptive capacity can reach 5 times of weight to it, and the bentonite after the acidification can be adsorbed with color substance.
The diatomite mineral deposit belongs to the siliceous rock biochemical deposit origin cause of formation, be by the accumulation of Diatomeae animal and other biological siliceous skeleton part and thereupon transformation form, because diatomite has characteristics such as exquisiteness, loose, light weight, porous, suction and permeability are strong, diatomite after the acidification, its special structure structure makes it have many special technique and physical property has obtained further raising, as big porosity, stronger adsorptivity, and certain intensity is arranged.
Volcanic rock is a kind of coarse, lightweight, porous and the higher ore of water absorption rate that the volcanic eruption overflow forms, and can improve the performance of its absorption biofilm.
Alumine is through after the roasting, and its inner crystallization water, constitution water, attached water overflow, and by dredging, pine, softly becoming fine and close hardly, helps increasing the bulk strength of filter on the structure.
The present invention is achieved by following technical proposals:
1, acidification:
1. zeolite, Concave-convex clay rod, bentonite, diatomite, volcanic rock and alumine are pulverized respectively, grain fineness is controlled at 0.5～2.5 millimeter;
2. the preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 3～10% of concentration 98%, water 90～97%;
3. the batching of acidification, comprise following component by weight percentage: various raw mineral materials are respectively 55～65%, dilute sulfuric acid 35～45%; Dilute sulfuric acid is slowly added in zeolite, Concave-convex clay rod, bentonite and the diatomite respectively, carry out acidification.
4. after the various raw materials after the acidifying being stacked 24～48 hours, push by extruder respectively and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing respectively, and the tablet after the airing is moisture should be less than 15%.
2, the batching of natural-minerals adsorptive filter medium comprises following component by weight percentage: the zeolite 15～35% after the acidifying, the Concave-convex clay rod 15～35% after the acidifying, the bentonite 15～25% after the acidifying, the diatomite 10～20% after the acidifying, volcanic rock 5～10% and alumine 5～10%.
3, the preparation method of natural-minerals adsorptive filter medium is:
According to the batching of natural-minerals adsorptive filter medium, mix the back and be irregular particle with the pulverizer pulverizing, after screening, grain fineness is controlled at 0.074～2.50 millimeter, is packaged as finished product.
The natural-minerals adsorptive filter medium particle surface is coarse, and there is a large amount of micropores inside, has light specific gravity, specific area is big and absorption property is good characteristics.
Natural-minerals adsorptive filter medium is the primary raw material that is used to make molding filter materials such as various filters, filter block, mistake filter core, filtration pottery sheet and filtering ring.
The various filters that use natural-minerals adsorptive filter medium to make, filter block, cross filter core, filter molding filter materials such as pottery sheet and filtering ring, its inside is covered with the labyrinth type micropore of mutual UNICOM, has light specific gravity, specific area is big, absorption property is good, biofilm efficient height, the rate of filtration is fast, the characteristics that retaining power is strong, the labyrinth type micropore helps biological bacteria and is adsorbed on its inside and carries out growth and breeding, reduce the ammonia-nitrogen content of breeding water body, by quick-fried gas disposal technology, can improve the oxygen content of breeding water body, can also adsorb because various harmful substances that biological metabolism produced and the heavy metal in the water.
The specific embodiment:
Below in conjunction with embodiment, the invention will be further described:
1, acidification:
1. the acidification of zeolite:
Earlier zeolite is pulverized, grain fineness is controlled at 0.5～0.8 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 4% of concentration 98%, water 96%; The batching of acidification comprises following component by weight percentage: zeolite 60%, dilute sulfuric acid 40%; Dilute sulfuric acid slowly added carry out acidification in the zeolite, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
2. the acidification of Concave-convex clay rod:
Earlier Concave-convex clay rod is pulverized, grain fineness is controlled at 0.5～1.0 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 3% of concentration 98%, water 97%; The batching of acidification comprises following component by weight percentage: Concave-convex clay rod 55%, dilute sulfuric acid 45%; Dilute sulfuric acid slowly added carry out acidification in the Concave-convex clay rod, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
3. bentonitic acidification:
Earlier bentonite is pulverized, grain fineness is controlled at 0.5～1.0 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 8% of concentration 98%, water 92%; The batching of acidification comprises following component by weight percentage: bentonite 55%, dilute sulfuric acid 45%; Dilute sulfuric acid slowly added carry out acidification in the POLARGEL NF, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
4. diatomaceous acidification:
Earlier diatomite is pulverized, grain fineness is controlled at 0.5～1.0 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 10% of concentration 98%, water 90%; The batching of acidification comprises following component by weight percentage: diatomite 55%, dilute sulfuric acid 45%; Dilute sulfuric acid slowly added carry out acidification in the diatomite, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
2, the batching of natural-minerals adsorptive filter medium comprises following component by weight percentage: the zeolite 20% after the acidifying, the Concave-convex clay rod 30% after the acidifying, the bentonite 20% after the acidifying, the diatomite 15% after the acidifying, volcanic rock 8% and alumine 7%.
3, the preparation method of natural-minerals adsorptive filter medium is:
According to the batching of natural-minerals adsorptive filter medium, mix the back and be irregular particle with the pulverizer pulverizing, after screening, grain fineness is controlled at 0.105～1.5 millimeter, is packaged as finished product.
Claims (2)
1, a kind of natural-minerals adsorptive filter medium, it is characterized in that, the batching of natural-minerals adsorptive filter medium comprises following component by weight percentage: the zeolite 15～35% after the acidifying, the Concave-convex clay rod 15～35% after the acidifying, the bentonite 15～25% after the acidifying, the diatomite 10～20% after the acidifying, volcanic rock 5～10% and alumine 5～10%.
2, the preparation method of a kind of natural-minerals adsorptive filter medium according to claim 1 is characterized in that, according to the batching of natural-minerals adsorptive filter medium, mix the back and be irregular particle with the pulverizer pulverizing, after screening, grain fineness is controlled at 0.074～2.50 millimeter, is packaged as finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100407121A CN100502999C (en) | 2006-05-30 | 2006-05-30 | Natural mineral adsorption filtering agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100407121A CN100502999C (en) | 2006-05-30 | 2006-05-30 | Natural mineral adsorption filtering agent |
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| Publication Number | Publication Date |
|---|---|
| CN1883745A true CN1883745A (en) | 2006-12-27 |
| CN100502999C CN100502999C (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100407121A Expired - Fee Related CN100502999C (en) | 2006-05-30 | 2006-05-30 | Natural mineral adsorption filtering agent |
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