CN105692772A - Wastewater composite adsorption-flocculation material - Google Patents

Wastewater composite adsorption-flocculation material Download PDF

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Publication number
CN105692772A
CN105692772A CN201610250157.9A CN201610250157A CN105692772A CN 105692772 A CN105692772 A CN 105692772A CN 201610250157 A CN201610250157 A CN 201610250157A CN 105692772 A CN105692772 A CN 105692772A
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parts
composite adsorption
waste water
flocculant
flocculation
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CN201610250157.9A
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Chinese (zh)
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CN105692772B (en
Inventor
戴晓宸
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苏州云舒新材料科技有限公司
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds

Abstract

The invention discloses a wastewater composite adsorption-flocculation material. The wastewater composite adsorption-flocculation material comprises adsorbent and flocculant, and is characterized in that the adsorbent comprises, by weight, 20-40 parts of bagasse cellulose xanthate, 15-25 parts of hollow bric particles, 5-15 parts of bagasse lignin magnesium sulfonate, 5-10 parts of expanded vermiculite particles, and 5-10 parts of modified attapulgite; the flocculant comprises, by weight, 20-30 parts of PSFC, 10-20 parts of hydrophobic modified lignin fibers, 20-40 parts of nonionic polyacrylamide, 2-10 parts of polyepichlorohydrin, 10-17 parts of polyhydroxy aluminum chloride silicon, and 3-8 parts of activated carbon powder. With reasonable formula, wastewater treatment process is simplified, wastewater treatment effect and efficiency are upgraded, and the wastewater composite adsorption-flocculation material is used for treatment of high-turbidity and high-organic content wastewater such as domestic and industrial wastewater.

Description

A kind of waste water composite adsorption-flocculation treatment material

Technical field

The present invention relates to wastewater treatment field of material technology, be specifically related to a kind of composite adsorption-flocculation treatment material administering waste water。

Background technology

Although the earth has the area of 70.8% to be covered by water, but freshwater resources are extremely limited, and really being able to by our utilization is the part in rivers and lakes and subsoil water, and these only take up an area the 0.26% of ball total Water, and skewness。After the fifties in last century, population in the world sharp increase, industrial boom, incident is that the rapid of global water resources situation worsens, and " water crisis " is on the rise。It is that mankind's demand to water resource increases with surprising rapidity on the one hand;On the other hand, the water being on the rise pollutes nibbles the water resource being available for consumption in a large number。Water pollution condition is constantly aggravated, and causes people and more and more pays close attention to, and particularly in economically underdeveloped area, raw sewerage wantonly discharges serious threat and the natural environment of locality。

Through investigation, there is the treatment plant for sewage disposal being more than half to be in state of closing a business at present more, and the efficiency of operation that is in the treatment plant of operation state is low, this reason that wherein intrinsic Producer environmental consciousness is relatively low, and more important reason is in that sewage disposal process is numerous and diverse, process costly, About Flocculating Effect of Flocculant for the sewage of different pollutant is poor, cause sewage treating efficiency relatively low, and the follow-up improvement of difficult degradation flocculation material for large usage quantity is much to seek suitable solution, these reasons are also the Main Bottlenecks of the China of restriction at present waste water treatment。

Summary of the invention

Not enough for prior art, the invention provides a kind of composite adsorption-flocculation treatment material administering waste water, by rational formula, simplify waste water treatment process further, improve waste water treatment effect and governance efficiency, for the improvement of the high concentrtion such as sanitary sewage, industrial wastewater, the waste water of high content of organics。

This invention address that the technical scheme that above-mentioned technical problem adopts is: a kind of waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 20 ~ 40 parts, hollow brick granule 15 ~ 25 parts, bagasse magnesium lignosulfonate 5 ~ 15 parts, expanded vermiculite granule 5 ~ 10 parts and attapulgite modified 5 ~ 10 parts;Described flocculant includes the raw material PFSC 20 ~ 30 parts of following mass fraction, hydrophobically modified lignin fibre 10 ~ 20 parts, non-ionic polyacrylamide 20 ~ 40 parts, Hydrin 2 ~ 10 parts, many polyaluminium hydroxychlorides silicon 10 ~ 17 parts and activated carbon powder 3 ~ 8 parts。

Further, described attapulgite modified preparation method is: take the attapulgite deionized water water bath sonicator that granularity is 50-300 order 100 DEG C of drying, with acetic acid as catalyst, trifluoro propyl trimethoxy silane is that modifying agent carries out surface modification, and treatment temperature is 80 DEG C, time 2h。

Further, the particle diameter of described hollow brick granule is 0.05 ~ 0.5mm。

Further, the particle diameter of described expanded vermiculite granule is 0.1 ~ 0.5mm。

Further, the preparation method of described hydrophobically modified lignin fibre is: the lignin fibre taking 0.1-3mm length is placed in the mixed liquor of sulphuric acid and ethanol, mixed and modified reaction 60min at 80 DEG C, after experiment reaction completes, separating lignin fiber and reaction liquid, rinsing fiber with water, then dry at 50 DEG C, the mass ratio of described lignin fibre, sulphuric acid and ethanol is 1:10:30。

Described a kind of waste water composite adsorption-flocculation treatment material for the using method of waste water treatment is: being first according to mass fraction and be on the waiting list raw material and adsorbent material mix homogeneously is prepared adsorbent, flocculant raw material mix homogeneously prepares flocculant;First prepared adsorbent added to waste water and stir 1 ~ 3min, be subsequently adding flocculant and stir 3 ~ 5min, standing and filter half an hour more than;The amount of every L waste water absorption-flocculation treatment material used is 100 ~ 200mg, processes under room temperature。

Compared with prior art, the advantage that the present invention possesses: it is easy that waster water process administered by the wastewater treatment material of the present invention, efficiency is high, gained waste water reaches discharge standard, can effectively reducing the content of the high concentrtion such as sanitary sewage, industrial wastewater, the COD of high organic substance content wastewater, SS, BOD, sulfide and inorganic salt etc., treatment effect is good and stable, and sedimentation effect is good, oil removal rate is high, and effluent quality is good;The feature of environmental protection of the wastewater treatment material of the present invention is excellent, and waste water treatment process will not produce secondary pollution;The processing procedure of the wastewater treatment material of the present invention is that Non-energy-consumption processes, and low-carbon environment-friendly reduces control expense, it is easy to promote。

Detailed description of the invention

Below in conjunction with specific embodiment, the present invention is described further。

Embodiment 1: a kind of waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 30 parts, hollow brick granule 20 parts, bagasse magnesium lignosulfonate 10 parts, expanded vermiculite granule 8 parts and attapulgite modified 7 parts;Described flocculant includes the raw material PFSC 25 parts of following mass fraction, hydrophobically modified lignin fibre 15 parts, non-ionic polyacrylamide 30 parts, Hydrin 6 parts, many polyaluminium hydroxychlorides silicon 15 parts and activated carbon powder 5 parts。

Embodiment 2: a kind of waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 20 parts, hollow brick granule 15 parts, bagasse magnesium lignosulfonate 5 parts, expanded vermiculite granule 5 parts and attapulgite modified 5 parts;Described flocculant includes the raw material PFSC 30 parts of following mass fraction, hydrophobically modified lignin fibre 20 parts, non-ionic polyacrylamide 40 parts, Hydrin 10 parts, many polyaluminium hydroxychlorides silicon 17 parts and activated carbon powder 8 parts。

Embodiment 3: a kind of waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 40 parts, hollow brick granule 25 parts, bagasse magnesium lignosulfonate 15 parts, expanded vermiculite granule 10 parts and attapulgite modified 10 parts;Described flocculant includes the raw material PFSC 20 parts of following mass fraction, hydrophobically modified lignin fibre 10 parts, non-ionic polyacrylamide 20 parts, Hydrin 2 parts, many polyaluminium hydroxychlorides silicon 10 parts and activated carbon powder 3 parts。

Embodiment 4: a kind of waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 25 parts, hollow brick granule 18 parts, bagasse magnesium lignosulfonate 8 parts, expanded vermiculite granule 6 parts and attapulgite modified 6 parts;Described flocculant includes the raw material PFSC 22 parts of following mass fraction, hydrophobically modified lignin fibre 12 parts, non-ionic polyacrylamide 25 parts, Hydrin 5 parts, many polyaluminium hydroxychlorides silicon 12 parts and activated carbon powder 5 parts。

Embodiment 5: a kind of waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 35 parts, hollow brick granule 22 parts, bagasse magnesium lignosulfonate 12 parts, expanded vermiculite granule 8 parts and attapulgite modified 8 parts;Described flocculant includes the raw material PFSC 28 parts of following mass fraction, hydrophobically modified lignin fibre 18 parts, non-ionic polyacrylamide 35 parts, Hydrin 8 parts, many polyaluminium hydroxychlorides silicon 15 parts and activated carbon powder 6 parts。

Further, preparation method attapulgite modified described in embodiment 1-5 is: take the attapulgite deionized water water bath sonicator that granularity is 50-300 order, and 100 DEG C of drying, with acetic acid as catalyst, trifluoro propyl trimethoxy silane is that modifying agent carries out surface modification, treatment temperature is 80 DEG C, time 2h;The particle diameter of described hollow brick granule is 0.05 ~ 0.5mm;The particle diameter of described expanded vermiculite granule is 0.1 ~ 0.5mm;The preparation method of described hydrophobically modified lignin fibre is: the lignin fibre taking 0.1-3mm length is placed in the mixed liquor of sulphuric acid and ethanol, mixed and modified reaction 60min at 80 DEG C, after experiment reaction completes, separating lignin fiber and reaction liquid, fiber is rinsed with water, then drying at 50 DEG C, the mass ratio of described lignin fibre, sulphuric acid and ethanol is 1:10:30。

Waste water composite adsorption-flocculation treatment material obtained in above example for the using method of waste water treatment is: being first according to mass fraction and be on the waiting list raw material and adsorbent material mix homogeneously is prepared adsorbent, flocculant raw material mix homogeneously prepares flocculant;First prepared adsorbent added to waste water and stir 1 ~ 3min, be subsequently adding flocculant and stir 3 ~ 5min, standing and filter half an hour more than;The amount of every L waste water absorption-flocculation treatment material used is 100 ~ 200mg, processes under room temperature。

The material regulation effect to waste water is processed in order to test gained of the present invention, adopt 1L high concentrtion, the waste water of high content of organics processes as water sample, and adopt conventional polyacrylamide flocculant to carry out identical process as a comparison case, acquired results is as shown in the table:

* discharge standard: " integrated wastewater discharge standard "<GB8978-1996>。

Test result in upper table shows, the sewage processed through the process material of the present invention meets or exceeds discharge standard, compared with existing conventional flocculant, composite adsorption-the flocculation material of the present invention has more excellent process sewage effect, especially Colority of Sewage Water, COD, BOD, SS, sulfide and heavy metal ion etc. had good treatment effect, and the process materials'use method of the present invention is easy, it is easy to promote the use of。

The foregoing is only present pre-ferred embodiments, all equalizations done according to the present patent application the scope of the claims change or modify, and all should belong to the covering scope of the present invention。

Claims (5)

1. waste water composite adsorption-flocculation treatment material, including adsorbent and flocculant, it is characterised in that: described adsorbent includes the raw material of following mass fraction: bagasse cellulose xanthate 20 ~ 40 parts, hollow brick granule 15 ~ 25 parts, bagasse magnesium lignosulfonate 5 ~ 15 parts, expanded vermiculite granule 5 ~ 10 parts and attapulgite modified 5 ~ 10 parts;Described flocculant includes the raw material PFSC 20 ~ 30 parts of following mass fraction, hydrophobically modified lignin fibre 10 ~ 20 parts, non-ionic polyacrylamide 20 ~ 40 parts, Hydrin 2 ~ 10 parts, many polyaluminium hydroxychlorides silicon 10 ~ 17 parts and activated carbon powder 3 ~ 8 parts。
2. a kind of waste water composite adsorption-flocculation treatment material according to claim 1, it is characterized in that: described attapulgite modified preparation method is: take the attapulgite deionized water water bath sonicator that granularity is 50-300 order, and 100 DEG C of drying, with acetic acid as catalyst, trifluoro propyl trimethoxy silane is that modifying agent carries out surface modification, treatment temperature is 80 DEG C, time 2h。
3. a kind of waste water composite adsorption-flocculation treatment material according to claim 1, it is characterised in that: the particle diameter of described hollow brick granule is 0.05 ~ 0.5mm。
4. a kind of waste water composite adsorption-flocculation treatment material according to claim 1, it is characterised in that: the particle diameter of described expanded vermiculite granule is 0.1 ~ 0.5mm。
5. a kind of waste water composite adsorption-flocculation treatment material according to claim 1, it is characterized in that: the preparation method of described hydrophobically modified lignin fibre is: the lignin fibre taking 0.1-3mm length is placed in the mixed liquor of sulphuric acid and ethanol, mixed and modified reaction 60min at 80 DEG C, after experiment reaction completes, separating lignin fiber and reaction liquid, rinsing fiber with water, then dry at 50 DEG C, the mass ratio of described lignin fibre, sulphuric acid and ethanol is 1:10:30。
CN201610250157.9A 2016-04-21 2016-04-21 A kind of waste water composite adsorption-flocculation treatment material CN105692772B (en)

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CN107892395A (en) * 2017-10-31 2018-04-10 烟台职业学院 A kind of special sewage-treating agent of trade effluent and preparation method thereof
CN108147550A (en) * 2017-11-30 2018-06-12 安徽宏远职业卫生技术服务有限公司 A kind of special sewage-treating agent of trade effluent and preparation method thereof
CN108176353A (en) * 2018-03-06 2018-06-19 高姌 There is the PERFORMANCE OF MODIFIED VERMICULITE adsorbent and its preparation process of adsorption function to hardly degraded organic substance

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CN108147550A (en) * 2017-11-30 2018-06-12 安徽宏远职业卫生技术服务有限公司 A kind of special sewage-treating agent of trade effluent and preparation method thereof
CN108176353A (en) * 2018-03-06 2018-06-19 高姌 There is the PERFORMANCE OF MODIFIED VERMICULITE adsorbent and its preparation process of adsorption function to hardly degraded organic substance

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