CN103449586B - Fiber base modified non-metallic mineral soil flocculant - Google Patents
Fiber base modified non-metallic mineral soil flocculant Download PDFInfo
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- CN103449586B CN103449586B CN201310400014.8A CN201310400014A CN103449586B CN 103449586 B CN103449586 B CN 103449586B CN 201310400014 A CN201310400014 A CN 201310400014A CN 103449586 B CN103449586 B CN 103449586B
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- mineral soil
- metallic mineral
- flocculant
- fiber base
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Abstract
The invention discloses a fiber base modified non-metallic mineral soil flocculant. The flocculant is characterized in that the flocculant is obtained by uniformly mixing modified non-metallic mineral soil and fiber base material according to a mass proportion of 100:(1-8); the modified non-metallic mineral soil is obtained by soaking the mineral soil powder with the particle size of 100-400 meshes into a hydrochloric acid solution for 16-24 hours according to a mass volume ratio of (1-3g):(2-5mL), separating the mineral soil, drying the separated mineral soil at 70-100 DEG C, and crushing the dried mineral soil, wherein the concentration of the hydrochloric acid solution is 2-12mol/L. The flocculant is added into a water body in a proportion of 0.05-0.5g/L for uniform stirring and mixing, the resulting solution is put aside until a floc is generated, and then the floc is removed. The rates of removing frustule, algal toxin, total phosphorus, turbidity, and black smelly suspended colloid reach over 95%, the removal rate of total nitrogen reaches over 60%, and the removal rate of landscape water COD (Chemical Oxygen Demand) reaches over 55%. The main body comprises cyanobacterial bloom, aquaculture wastewater, domestic wastewater, landfill leachate, medical wastewater, landscape water and the like.
Description
One, technical field
The present invention relates to water ecology improvement environment-friendly materials, specifically a kind of fiber base modification non-metallic mineral soil flocculant.
Two, background technology
Environmental problem is the focus of countries in the world common concern all the time, and topsoil, water pollutions, heavy metal contamination etc. directly threaten the resistance to living environment of the mankind.China's rapid economic development of nearly 30 years, produced serious environmental pollution, constantly happen suddenly eco-catastrophe.Water resources in china total amount occupies the 6th, the world, but water resources ownership per capita is only the world 1/4, wherein water resources critical shortage, and uneven distribution, serious water pollutions are China facing ecocrisis.The 88th is occupied in 153 countries that the World Bank adds up continuously.China's rivers and lakes are generally polluted, and eutrophication has in various degree appearred in the lake in the whole nation 75%; The urban water pollution of 90% is serious, and Shelter in South China Cities water quality type lack of water 60 ~ 70% is that water pollutions causes; The subterranean water enquire display of China 118 big and medium-sized cities, have 115 urban groundwaters to be polluted, serious pollution accounts for 40%.
Three, summary of the invention
The present invention aims to provide a kind of fiber base modification non-metallic mineral soil flocculant, and technical problem to be solved improves this flocculation agent application broad spectrum.
Fiber base modification non-metallic mineral soil flocculant alleged by the present invention is exactly modification non-metallic mineral soil powder and fiber base material mixed with the mass ratio of 100:1-8 to obtain fiber base modification non-metallic mineral soil flocculant.
Described non-metallic mineral soil is selected from one or more composite ore soil in vermiculite, attapulgite, wilkinite or mica.
Described modification non-metallic mineral soil is that ore deposit soil powder is immersed 16-24 hour in hydrochloric acid soln according to the ratio of mass volume ratio 1-3g:2-5mL, also pulverizes obtain modification non-metallic mineral soil after separation in 70-100 DEG C of drying.There is good flocculating effect.
Described ore deposit soil powder and the mass volume ratio of hydrochloric acid are 1g:2mL.
The concentration of described hydrochloric acid soln is 2-12mol/L.Preferred 4-8mol/L.
The particle diameter of described ore deposit soil powder is 100-400 order.Preferred 200-400 order.
Described fiber-based material is waste feathers, plumage silk and crops stalk crushing thing etc., and length is 0.3 to 20 millimeters.
This flocculation agent is added in water body according to the ratio of 0.05-0.5g/L and is uniformly mixed, leave standstill and produce to flco, flco is pulled out or excessively filters.Namely with 10-50 mesh filter screen, flco is pulled out, or use husky filter by flco filtering.
Described water body comprises blue-green alga bloom, aquaculture wastewater, industrial sewage, sanitary sewage, percolate, medical waste water, landscape water etc.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, with low cost; China produces a large amount of waste fiber sills every year, and non-metallic mineral soil rich reserves, and production cost is low.
2, removal efficiency is high; Fiber base modification non-metallic mineral soil flocculant has very strong ion-exchange capacity, entanglement capability and adsorptive power, more than 95% is reached to frustule, Algae toxins, total phosphorus and turbidity, black smelly suspensoid clearance, more than 60% is reached to nitrogen removal rate, more than 55% is reached to landscape water COD clearance.
3, environmental friendliness; Natural ore soil, fiber-based material is also natural animal-plant fiber, and ecological security is very high, can not produce secondary pollution to water body.
Four, accompanying drawing explanation
Fig. 1 adds the photo producing flco when this flocculation agent stirs in algae water.
Fig. 2 is the photo that flocculation agent and algae water flocculation leave standstill rear flocs float situation.
Fig. 3 adds this flocculation agent in algae water, and chlorophyll a clearance is with the change curve of time of repose.
This flocculation agent adds in the waste water containing Microcystin by Fig. 4, and MC-LR clearance is with the change curve of time of repose.Best time of repose scope is at 30-60min.
Fig. 5 adds the photo producing flco when this flocculation agent stirs in landscape water.
Fig. 6 is that this flocculation agent is to the change curve of the clearance of landscape water COD with time of repose.
Fig. 7 adds the photo producing flco when this flocculation agent stirs in sanitary sewage.
Fig. 8 is that this flocculation agent is to the change curve of the clearance of sanitary sewage turbidity with time of repose.
Shown in Fig. 5-Fig. 8,40mg, 60mg, 80mg refer to the dosage in 500mL water.
Five, embodiment
Embodiment 1:
200 object vermiculite powder to be immersed in 6mol/L hydrochloric acid 24 hours according to the ratio of mass volume ratio 1g:2ml, and dry at 80 DEG C after filtering separation, be crushed into powder to obtain PERFORMANCE OF MODIFIED VERMICULITE.PERFORMANCE OF MODIFIED VERMICULITE and fiber-based material are mixed with the ratio of 100:5 and obtains fiber base PERFORMANCE OF MODIFIED VERMICULITE flocculation agent.Added in algae water according to the ratio of 0.25g/L by this flocculation agent and stir 2min with 150r/min, leave standstill to flocs float, pull flco out water body (Fig. 1) with 50 order gauzes, blue algae removal efficiency reaches more than 95%.
Embodiment 2:
200 object attapulgite powder to be immersed in 6mol/L hydrochloric acid 24 hours according to the ratio of mass volume ratio 1g:2ml, to dry at 80 DEG C after filtering separation, be crushed into powder attapulgite modified.Attapulgite modified to mix with the ratio of 100:2 with fiber-based material is obtained the attapulgite modified flocculation agent of fiber base.This flocculation agent is added in algae water according to the ratio of 0.25g/L and stirs 2min with 150r/min, leave standstill and produce to flco, considered by sand and filter flco filtering.Blue algae removal efficiency reaches more than 95% (Fig. 2 and Fig. 3).
Embodiment 3:
200 object wilkinite powder to be immersed in 6mol/L hydrochloric acid 24 hours according to the ratio of mass volume ratio 1g:2ml, and dry at 80 DEG C after filtering separation, be crushed into powder to obtain modified alta-mud.Modified alta-mud and fiber-based material are mixed with the ratio of 100:4 and obtains fiber base modified bentonite flocculating agent.This flocculation agent is added fiber base hydridization clay flocculation agent to containing in the waste water of Microcystin according to the ratio of 0.2g/L, the pH value adjusting waste water with hydrochloric acid and sodium hydroxide solution is 6-9,2 minutes are stirred with 150 revs/min of speed, leave standstill until there is obvious flco to generate, by quartz sand filtering layer, by flco filtering.The clearance of microcapsule phycotoxin MC-LR reaches more than 95% (Fig. 4).
Embodiment 4:
200 object mica powder to be immersed in 6mol/L hydrochloric acid 24 hours according to the ratio of mass volume ratio 1g:2ml, to dry at 80 DEG C after filtering separation, be crushed into powder modified micaceous.Modified micaceous to mix with the ratio of 100:1 with fiber-based material is obtained the modified micaceous flocculation agent of fiber base.This flocculation agent is added in landscape water according to 0.08,0.12 and the ratio of 0.16g/L and stirs 2min with 150r/min, leave standstill and produce to flco, considered by sand and filter flco filtering.Landscape water COD
crclearance reach more than 55% (Fig. 5 and Fig. 6).
Embodiment 5:
200 object vermiculite powder to be immersed in 6mol/L hydrochloric acid 24 hours according to the ratio of mass volume ratio 1g:2ml, and dry at 80 DEG C after filtering separation, be crushed into powder to obtain PERFORMANCE OF MODIFIED VERMICULITE.PERFORMANCE OF MODIFIED VERMICULITE and fiber-based material are mixed with the ratio of 100:3 and obtains fiber base PERFORMANCE OF MODIFIED VERMICULITE flocculation agent.This flocculation agent is added in landscape water according to 0.08,0.12 and the ratio of 0.16g/L and stirs 2min with 150r/min, leave standstill and produce to flco, considered by sand and filter flco filtering.The clearance of sanitary sewage turbidity reaches more than 95% (Fig. 7 and Fig. 8).
Claims (1)
1. a fiber base modification non-metallic mineral soil flocculant, it is characterized in that: this flocculation agent is mixed with the mass ratio of 100:1-8 with fiber base by modification non-metallic mineral soil and obtains: described modification non-metallic mineral soil to be immersed in hydrochloric acid soln 16 ~ 24 hours according to the ratio of mass volume ratio 1g:2mL by particle diameter 200-400 object non-metallic mineral soil powder, also pulverizes the modification non-metallic mineral soil obtained after separation in 70 ~ 100 DEG C of dryings; The concentration of described hydrochloric acid soln is 4 ~ 8mol/L; Described non-metallic mineral soil is selected from one or more composite ore soil in vermiculite, wilkinite or mica; Described fiber base is waste feathers, plumage silk, and length is 0.3 to 20 millimeters.
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| CN201310400014.8A CN103449586B (en) | 2013-09-05 | 2013-09-05 | Fiber base modified non-metallic mineral soil flocculant |
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| CN201310400014.8A CN103449586B (en) | 2013-09-05 | 2013-09-05 | Fiber base modified non-metallic mineral soil flocculant |
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| CN103449586B true CN103449586B (en) | 2015-07-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105478089A (en) * | 2015-12-01 | 2016-04-13 | 周羿 | Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof |
| CN106745797A (en) * | 2016-11-25 | 2017-05-31 | 南宁市黑晶信息技术有限公司 | Special high efficiency sewage treating agent of a kind of sugar production wastewater and preparation method thereof |
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| DE4341923A1 (en) * | 1993-12-09 | 1995-06-14 | Johannes Prof Dr Rer N Gartzen | Adsorbent material useful as animal litter |
| CN101734775A (en) * | 2009-12-31 | 2010-06-16 | 中国科学院等离子体物理研究所 | Method for treating algal bloom by using modified attapulgite as flocculant |
| CN101733076A (en) * | 2009-12-31 | 2010-06-16 | 四川大学 | Modified attapulgite adsorbent for tannery wastewater treatment and preparation method thereof |
| CN102015052A (en) * | 2009-05-29 | 2011-04-13 | 八纪产业株式会社 | Flocculant composition |
| CN102674513A (en) * | 2012-05-07 | 2012-09-19 | 浙江省环境保护科学设计研究院 | Composite medicinal preparation for biochemical effluent deep treatment of sewage plant |
| CN103232126A (en) * | 2013-05-10 | 2013-08-07 | 宁波福特恩饮水科技有限公司 | Advanced treatment method of organic matter in drinking water |
| CN103274509A (en) * | 2013-05-27 | 2013-09-04 | 天津市金鳞水处理科技有限公司 | Preparation method of composite flocculant capable of adsorbing heavy metal ions and composite flocculant product through |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4341923A1 (en) * | 1993-12-09 | 1995-06-14 | Johannes Prof Dr Rer N Gartzen | Adsorbent material useful as animal litter |
| CN102015052A (en) * | 2009-05-29 | 2011-04-13 | 八纪产业株式会社 | Flocculant composition |
| CN101734775A (en) * | 2009-12-31 | 2010-06-16 | 中国科学院等离子体物理研究所 | Method for treating algal bloom by using modified attapulgite as flocculant |
| CN101733076A (en) * | 2009-12-31 | 2010-06-16 | 四川大学 | Modified attapulgite adsorbent for tannery wastewater treatment and preparation method thereof |
| CN102674513A (en) * | 2012-05-07 | 2012-09-19 | 浙江省环境保护科学设计研究院 | Composite medicinal preparation for biochemical effluent deep treatment of sewage plant |
| CN103232126A (en) * | 2013-05-10 | 2013-08-07 | 宁波福特恩饮水科技有限公司 | Advanced treatment method of organic matter in drinking water |
| CN103274509A (en) * | 2013-05-27 | 2013-09-04 | 天津市金鳞水处理科技有限公司 | Preparation method of composite flocculant capable of adsorbing heavy metal ions and composite flocculant product through |
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Inventor after: Zhu Shoucheng Inventor after: Miao Chunguang Inventor after: Wu Yan Inventor after: Yang Hongxing Inventor after: Chu Weifa Inventor after: Cheng Shilin Inventor after: Wu Jie Inventor after: Deng Guangtao Inventor before: Zhu Shoucheng Inventor before: Miao Chunguang Inventor before: Wu Yan Inventor before: Yang Hongxing Inventor before: Chu Weifa Inventor before: Cheng Shilin Inventor before: Wu Jie Inventor before: Deng Guangtao |
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