CN106167304A - A kind of heavy metal-polluted water treatment agent and processing method - Google Patents

A kind of heavy metal-polluted water treatment agent and processing method Download PDF

Info

Publication number
CN106167304A
CN106167304A CN201610644557.8A CN201610644557A CN106167304A CN 106167304 A CN106167304 A CN 106167304A CN 201610644557 A CN201610644557 A CN 201610644557A CN 106167304 A CN106167304 A CN 106167304A
Authority
CN
China
Prior art keywords
heavy metal
biological material
treatment agent
polluted water
water treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610644557.8A
Other languages
Chinese (zh)
Inventor
孟祥娣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610644557.8A priority Critical patent/CN106167304A/en
Publication of CN106167304A publication Critical patent/CN106167304A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/347—Use of yeasts or fungi
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection

Abstract

The present invention proposes a kind of heavy metal-polluted water treatment agent, calculate according to mass percent, the calcium hydroxide of sulfhydryl modified biological material including 30% 50%, the ferrous sulfate of 20% 25%, the obligate zeolite of 10% 18%, the yeast dry powder bacterium of 3% 8% and 4% 10%.Heavy metal-polluted water treatment agent obvious processing effect prepared by the present invention, technological process is simple, and medicament stock is easy to get, with low cost, and processing procedure liquid does not produce new " three wastes ", has good promotion and application prospect.

Description

A kind of heavy metal-polluted water treatment agent and processing method
Technical field
The present invention relates to heavy metal-polluted water process field, particularly to a kind of heavy metal-polluted water treatment agent and Its processing method.
Background technology
It is one of serious environmental problems of currently facing of China that water pollutes.China's sewage annual emissions one since 1985 Directly maintain 35,000,000,000-400 hundred million m3Left and right.Along with developing rapidly of modern industry, especially plating, electronics, ore dressing, metallurgy, change The industry such as work and automobile creates plurality of heavy metal polluted-water.In this kind of water body, the mass concentration of heavy metal ion is the highest Reach 105mg/L, far above maximum allowable mass concentration.Once enter in natural environment, heavy damage is ecological, aggravate water shortage, Also can serious threat industrial and agricultural production and human health.
In general, heavy metal-polluted water refers to the industrial processes such as mining and metallurgy, machine-building, chemical industry, electronics, instrument The waste water containing heavy metal (such as cupric, cadmium, nickel, hydrargyrum, zinc, chromium etc.) of middle discharge.In this kind of water body, heavy metal not only can not be by Biodegradation, and can be enriched with the most in vivo by food chain, even can be translated into the chemical combination that toxicity is bigger Thing, reaches harmful level, is finally detrimental to health at people's body accumulation some biology in biological chain.When this kind of water body is arranged It is put in farmland, by the growth that directly harms the crops, causes the underproduction or total crop failure.When, in this kind of discharge into water to rivers and lakes, inciting somebody to action Poison microorganisms in water, even cause the decline of bio-diversity, make ecosystem by heavy damage.
At present, the Processing tecchnics of heavy metal polluted-water includes the exchange of chemical precipitation method, membrane concentration method, ion, absorption Method etc..In commercial Application, chemical precipitation method is treatment of heavy metal polluted water body most common method.It is by toward polluted water Body adds a large amount of chemical agent, makes heavy metal be transformed into insoluble chemical compound from the ionic condition dissolved and precipitate, from water In transfer in mud, but its cost is the highest, and the input of various medicament itself also brings along the secondary pollution of water quality； Membrane concentration method is to make most heavy metal ion concentrate in a small amount of water, and the heavy metal in enriched product can reclaim profit With, but it is the highest to run running cost, and effect is not ideal.Absorption method is a kind of sewage purification measure with application potential. In prior art, conventional activated carbon is as high-efficiency adsorbent, but its preparation cost is higher, regeneration difficulty, and application is restricted. How to find and a kind of may replace the activated carbon novel cheap medicament for heavy metal-polluted water, become the newest research heat Point.
Summary of the invention
In place of the deficiencies in the prior art, the present invention provides a kind of raw material sources extensive, cheap, performance efficiency Heavy metal-polluted water treatment agent and processing method.
The present invention proposes a kind of heavy metal-polluted water treatment agent, calculates according to mass percent, including 30%-50% Sulfhydryl modified biological material, the ferrous sulfate of 20%-25%, the obligate zeolite of 10%-18%, 3%-8% yeast do Powder bacterium and the calcium hydroxide of 4%-10%.
Preferably, calculating according to mass percent, sulfhydryl modified biological material, the sulphuric acid of 25% including 50% are sub- Ferrum, the obligate zeolite of 12%, the yeast dry powder bacterium of 8% and the calcium hydroxide of 5%.
Preferably, one or both during described biological material is agricultural crop straw, farming species shell.
Preferably, described sulfhydryl modified biological material is prepared via a method which:
S11, the pretreatment of biological material: by biological material cutting, clean, dry, pulverize, sieve after immerse quality Mark be 30% NaOH solution in 4h, the solid-to-liquid ratio of biological material and NaOH is 10g/mL；
S13, filters and is washed with deionized residue until PH is 67, is subsequently placed in 100 110 DEG C of baking ovens drying 20 24h, obtain the first product；
S15, weighs the first product 50g, immerses in 125mL dimethylformamide (DMF) solution, adds 250mL sulfydryl second Acid and 1.25gNaHSO4, the post-heating that stirs, to 120 DEG C of reaction 4h, is cooled to after room temperature take out residue, and joins and contain 300gNa2The 1250mL ethanol solution of S reacting 2h, vacuum filtration, being washed with deionized residue, until using 0.05mol/L FeCl2Solution inspection does not measures till having black precipitate in leachates；
S17, continues to be washed with deionized residue, and constant to pH value is 5.02 to be placed in 65 DEG C of vacuum drying ovens drying Obtain the second product after 24h, be modified biological material.
The present invention also proposes a kind of heavy metal-polluted water processing method, and it comprises the following steps:
S10, pretreatment: by filtering and precipitation, remove the float in handled waste water；
S30, main process: add heavy metal-polluted water inorganic agent of the present invention in waste water, under normal temperature condition, Flowing is cultivated 24 hours；
S50, post processing: will process after waste water sterile-processed after, directly discharge or reuse.
The present invention replaces activated carbon with discarded biological material, by being chemically incorporated into the organo-functional group pair of sulfur-bearing It carries out the most modified preparing heavy metal ion (Cr2+、Pb2+、Cu2+、Zn2+、Ni2+And Hg2+) there is good adsorption energy The adsorbent of power, effectively reduces because environment is caused by biological material burning or throw aside while preventing from causing secondary pollution Pollute, it is achieved that the recycling of refuse.It is particular for the heavy metal ion in polluted-water, and treatment effect is excellent；More Because its raw material sources is extensive, draw materials conveniently, and make cheap for manufacturing cost, be more beneficial for promoting and using.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention Scope.
A kind of heavy metal-polluted water treatment agent, calculates according to mass percent, sulfhydryl modified including 30%-50% Biological material, the ferrous sulfate of 20%-25%, the obligate zeolite of 10%-18%, the yeast dry powder bacterium of 3%-8% and 4%- The calcium hydroxide of 10%.
Preferably, calculate according to mass percent, it sulfhydryl modified biological material including 50%, sulphuric acid Asia of 25% Ferrum, the obligate zeolite of 12%, the yeast dry powder bacterium of 8% and the calcium hydroxide of 5%.
During the present invention implements, modification biological material is the organo-functional group by being chemically incorporated into sulfur-bearing, thus right Heavy metal ion (Cd2+、Pb2+、Cu2+、Zn2+、Ni2+And Hg2+) adsorb.Specifically, described biological material is crops One or both in straw, farming species shell.Farming species shell can be rice hulls, wheat husk and Pericarppium arachidis hypogaeae etc., crops straw Stalk can be the stem and leaf of the crops such as Caulis et Folium Oryzae, wheat straw, corn stalk, kaoliang stalk and cotton stem.
Ferrous sulfate is reducing agent and flocculant.Heavy metal wastewater thereby often contains Cr VI, it is impossible to directly remove, need First trivalent chromium, trivalent chromium is become to be precipitated removal in the basic conditions hexavalent chrome reduction with ferrous ion.It addition, iron ion leads to Cross dissolving and water suction can occur intense hydrolysis, and in hydrolysis, various polyreaction occurs simultaneously, generate and there is longer linear structure The light based polyalcohol of multinuclear, such as Fe2(OH)2、Fe3(OH)4、Fe5(OH)8、Fe6(OH)9Deng.These iron content can have through base complex Effect reduces or eliminates the hair current potential of colloid in solution, makes coacervation of colloid by the volume effect of sweeping of charge neutrality, adsorption bridging and flco, And form the highest Fe of the degree of polymerization (OH)3Gel, has stronger absorption, wad a quilt with cotton bridge, coagulative precipitation performance.
Obligate zeolite contain specific sulfenyl functional group (SH), the heavy metal ion can adsorbed, intercept in waste water, particularly without Machine mercury salt class, carries out part removal to the float in water simultaneously, to reduce subsequent treatment load；Yeast dry powder bacterium is to utilize to make The most remaining discarded beer yeast drying processes and obtains, can to a certain degree Adsorption of Heavy Metal Ions, and raw material is easy to get, technique Simply, convenient to operate；Hydroxide ion in calcium hydroxide can react with hydrion in waste water, improves the pH value of waste water, by In the rising of pH value, part heavy metal ion can produce precipitation and be removed, such as Cu (OH)2, Ni (OH)2, Zn (OH)2And Cr (OH)3Deng.
Specifically, above-mentioned modification biological material is prepared via a method which:
S11, the pretreatment of biological material: by biological material cutting, clean, dry, pulverize, sieve after immerse quality Mark be 30% NaOH solution in 4h, the solid-to-liquid ratio of biological material and NaOH is 10g/mL；
In this step, first remove the residual leaf on biological material and residual knot, clean native slag and the dust of residual with tap water, Clean three times with deionized water again；It is subsequently placed in 60 DEG C and dries 48h, pulverize and cross 20 mesh sieves；The effect of NaOH solution is to remove The Organic substances such as the dissolubility pigment in biological material.
S13, filters and is washed with deionized residue until PH is 67, is subsequently placed in 100 110 DEG C of baking ovens drying 20 24h, obtain the first product；
In this step, it is preferable that PH is 6.73.Gained the first products collection efficiency about 73.28%, specific surface area about 0.36m2/ G, porosity 78.8%, content of organic matter 941.8g/kg, P content 1.1g/kg, K content 28.4g/kg, N content 11.7g/kg, Moisture 100.6g/kg.
S15, weighs the first product 50g, immerses in 125mL dimethylformamide (DMF) solution, adds 250mL sulfydryl second Acid and 1.25gNaHSO4, the post-heating that stirs, to 120 DEG C of reaction 4h, is cooled to after room temperature take out residue, and joins and contain 300gNa2The 1250mL ethanol solution of S reacting 2h, vacuum filtration, being washed with deionized residue, until using 0.05mol/L FeCl2Solution inspection does not measures till having black precipitate in leachates.
In this step, NaHSO4Play catalytic action；Use 0.05mol/LFeCl2Solution inspection does not measures has black to sink in leachates Form sediment, the Na of remnants is described2S is completely removed.
S17, continues to be washed with deionized residue, and constant to pH value is 5.02 to be placed in 65 DEG C of vacuum drying ovens drying The second product is obtained after 24h.
Described second product is pale yellow powder, productivity about 97.31%.After testing, its porosity 76.3%, specific surface area About 0.27m2/g。
The present invention also proposes the processing method of a kind of heavy metal-polluted water, comprises the steps:
S10, pretreatment: by filtering and precipitation, remove the float in handled polluted-water；
S30, main process: add the heavy metal-polluted water treatment agent of above-mentioned preparation in waste water, under normal temperature condition, Flowing is cultivated 24 hours；
S50, post processing: will process after waste water sterile-processed after, directly discharge or reuse.
Embodiment 1:
A kind of heavy metal containing wastewater treatment medicament, is obtained by following weight mixed raw material is standby: sulfhydryl modified biological material 3Kg, ferrous sulfate 2.3Kg, obligate zeolite 1.8Kg, yeast dry powder bacterium 0.3Kg, calcium hydroxide 1Kg.
Embodiment 2:
A kind of heavy metal containing wastewater treatment medicament, is obtained by following weight mixed raw material is standby: sulfhydryl modified biological material 4.5Kg, ferrous sulfate 2Kg, obligate zeolite 1Kg, yeast dry powder bacterium 0.5Kg, calcium hydroxide 0.4Kg.
Embodiment 3:
A kind of heavy metal containing wastewater treatment medicament, is obtained by following weight mixed raw material is standby: sulfhydryl modified biological material 5Kg, ferrous sulfate 2.5Kg, obligate zeolite 1.2Kg, yeast dry powder bacterium 0.8Kg, calcium hydroxide 0.5Kg.
Compliance test result: heavy metal-polluted water medicament embodiment 13 obtained is used for processing industrial wastewater, the most right Industrial wastewater before and after treatment carries out sampling analysis test, comparison integrated wastewater discharge standard (GB8978 1996) Grade standard, concrete data see table.
Embodiment 1:
Embodiment 2:
Embodiment 3:
By the test data in above-mentioned table it can be seen that use the medicament for heavy metal containing wastewater treatment that the present invention provides All fine to the treatment effect of each heavy metal ion, water remains concentration of heavy metal ion well below national regulation after process Discharge standard, average removal rate is up to more than 95%.
The medicament for heavy metal containing wastewater treatment that the present invention provides is by being chemically incorporated into the organo-functional group of sulfur-bearing Biomass raw material is carried out mercapto-functionalized process, makes to create between sulfydryl and heavy metal ion complexing, relative to Non-sulfhydrylation biological material, higher to the absorbability of Heavy Metals in Waters bivalent cation, and technological process is simple, medicament Raw material is easy to get, with low cost, and processing procedure liquid does not produce new " three wastes ", obvious processing effect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (5)

1. a heavy metal-polluted water treatment agent, it is characterised in that calculate according to mass percent, including 30%-50% Sulfhydryl modified biological material, the ferrous sulfate of 20%-25%, the obligate zeolite of 10%-18%, 3%-8% yeast do Powder bacterium and the calcium hydroxide of 4%-10%.
2. heavy metal-polluted water treatment agent as claimed in claim 1, it is characterised in that calculate according to mass percent, Sulfhydryl modified biological material including 50%, the ferrous sulfate of 25%, the obligate zeolite of 12%, the yeast dry powder bacterium of 8% and The calcium hydroxide of 5%.
3. heavy metal-polluted water treatment agent as claimed in claim 1 or 2, it is characterised in that described biological material is One or both in agricultural crop straw, farming species shell.
4. heavy metal-polluted water treatment agent as claimed in claim 1, it is characterised in that described sulfhydryl modified biomass material Material is prepared via a method which:
S11, the pretreatment of biological material: by biological material cutting, clean, dry, pulverize, sieve after immerse mass fraction Being 4h in the NaOH solution of 30%, biological material is 10g/mL with the solid-to-liquid ratio of NaOH；
S13, filters and is washed with deionized residue until PH is 67, is subsequently placed in 100 110 DEG C of baking ovens drying 20 24h, obtains the first product；
S15, weighs the first product 50g, immerses in 125mL dimethyl formamide solution, add 250mL TGA and 1.25gNaHSO4, the post-heating that stirs, to 120 DEG C of reaction 4h, is cooled to after room temperature take out residue, and joins and contain 300gNa2The 1250mL ethanol solution of S reacting 2h, vacuum filtration, being washed with deionized residue, until using 0.05mol/L FeCl2Solution inspection does not measures till having black precipitate in leachates；
S17, continues to be washed with deionized residue, to pH value constant be 5.02 be placed in 65 DEG C of vacuum drying ovens drying 24h After the second product, be modified biological material.
5. a heavy metal-polluted water processing method, it is characterised in that comprise the steps:
S10, pretreatment: by filtering and precipitation, remove the float in handled polluted-water；
S30, main process: add the heavy metal pollution according to any one of claim 14 in the waste water that step S10 processes Water body treatment agent, under normal temperature condition, flowing is cultivated 24 hours；
S50, post processing: after sterile-processed for the waste water after the process of step S30, directly discharge or reuse.
CN201610644557.8A 2016-08-08 2016-08-08 A kind of heavy metal-polluted water treatment agent and processing method Pending CN106167304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610644557.8A CN106167304A (en) 2016-08-08 2016-08-08 A kind of heavy metal-polluted water treatment agent and processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610644557.8A CN106167304A (en) 2016-08-08 2016-08-08 A kind of heavy metal-polluted water treatment agent and processing method

Publications (1)

Publication Number Publication Date
CN106167304A true CN106167304A (en) 2016-11-30

Family

ID=58065535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610644557.8A Pending CN106167304A (en) 2016-08-08 2016-08-08 A kind of heavy metal-polluted water treatment agent and processing method

Country Status (1)

Country Link
CN (1) CN106167304A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176361A (en) * 2018-02-06 2018-06-19 广东环境保护工程职业学院 Sulfhydryl modified charcoal based on agricultural wastes and its preparation method and application
CN108410474A (en) * 2018-05-10 2018-08-17 张鑫 Active soil conditioner of a kind of reduction heavy metal in soil and preparation method thereof
CN111250054A (en) * 2020-01-20 2020-06-09 中南林业科技大学 Group functionalized hypha filter membrane and preparation method and application thereof
CN111453829A (en) * 2020-05-19 2020-07-28 广东工业大学 Magnetic heavy metal trapping agent and application thereof
CN111762916A (en) * 2020-07-08 2020-10-13 生态环境部南京环境科学研究所 Heavy metal wastewater treatment method containing high-concentration suspended matters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101225379A (en) * 2008-01-25 2008-07-23 东北农业大学 Non-active immobilized yeast filler as well as preparation method thereof and method for treating heavy metal wastewater thereby
CN102389776A (en) * 2011-10-09 2012-03-28 广东省生态环境与土壤研究所 Metal heavy absorbent and preparation method and use thereof
CN103191703A (en) * 2013-04-26 2013-07-10 济南大学 Preparation method and application of bagasse mercapto-biosorbent
CN103803666A (en) * 2014-02-08 2014-05-21 江西远鑫资源循环投资开发有限公司 Heavy metal wastewater treatment disinfectant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101225379A (en) * 2008-01-25 2008-07-23 东北农业大学 Non-active immobilized yeast filler as well as preparation method thereof and method for treating heavy metal wastewater thereby
CN102389776A (en) * 2011-10-09 2012-03-28 广东省生态环境与土壤研究所 Metal heavy absorbent and preparation method and use thereof
CN103191703A (en) * 2013-04-26 2013-07-10 济南大学 Preparation method and application of bagasse mercapto-biosorbent
CN103803666A (en) * 2014-02-08 2014-05-21 江西远鑫资源循环投资开发有限公司 Heavy metal wastewater treatment disinfectant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王仲旭等: "《污水治理技术与运行管理》", 31 January 2015 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176361A (en) * 2018-02-06 2018-06-19 广东环境保护工程职业学院 Sulfhydryl modified charcoal based on agricultural wastes and its preparation method and application
CN108410474A (en) * 2018-05-10 2018-08-17 张鑫 Active soil conditioner of a kind of reduction heavy metal in soil and preparation method thereof
CN111250054A (en) * 2020-01-20 2020-06-09 中南林业科技大学 Group functionalized hypha filter membrane and preparation method and application thereof
CN111250054B (en) * 2020-01-20 2022-08-16 中南林业科技大学 Group functionalized hypha filter membrane and preparation method and application thereof
CN111453829A (en) * 2020-05-19 2020-07-28 广东工业大学 Magnetic heavy metal trapping agent and application thereof
CN111762916A (en) * 2020-07-08 2020-10-13 生态环境部南京环境科学研究所 Heavy metal wastewater treatment method containing high-concentration suspended matters

Similar Documents

Publication Publication Date Title
CN106167304A (en) A kind of heavy metal-polluted water treatment agent and processing method
CN102784452B (en) A kind of heavy metal stabilizer for removal heavy metal pollution and using method thereof
CN105598148B (en) A kind of method of volatile organic matter and heavy metal chromium combined contamination soil reparation
CN103214074B (en) Aquaculture water purification agent and preparation method thereof
CN102935352B (en) Method for absorbing and removing heavy metal and hexavalent chromium from waste liquid by using mangosteen slag
CN108298629A (en) A kind of preparation method of the composite material of efficient absorption mercury ion
CN103508536B (en) Sewage treatment flocculating agent in livestock farm
JP6473885B2 (en) Plating wastewater treatment process
CN108793305A (en) A kind of ammonia nitrogen removal agent
CN106007006A (en) Microorganism water treatment agent for heavy metal organic wastewater
CN104338728A (en) Biomass wet detoxification method of hexavalent chromium-contained waste residues
CN103316904A (en) Repairing method of chromium polluted soil
CN109647353A (en) A kind of heavy metal containing sewage composite treating agent and its preparation method and application
CN208362040U (en) A kind of system for processing chrome-containing wastewater
CN106076245A (en) A kind of preparation method of calcareous changing food waste heavy metal absorbent
CN101444719B (en) Biosorption agent and application method thereof
CN104761039A (en) Composite chelating agent used for treating cadmium-containing waste water and application method thereof
Kumar et al. Equilibrium and thermodynamic studies of Cd (II) biosorption by chemically modified orange peel
CN106745358A (en) A kind of heavy metal-polluted water treatment agent and preparation method thereof
CN101733078A (en) Method for preparing phosphorous-removing adsorbent by using cane shoots leaves
JP2011016048A (en) Method of decoloring and purifying wastewater containing lignin and/or tannin
CN107986419A (en) The method that removing heavy metals are removed in a kind of chelating-coagulation collaboration
CN107497407A (en) A kind of preparation method of biomass new material targeting adsorbent for mercury-containing waste water processing and application
Pal et al. Various purification techniques of groundwater
CN109012571B (en) Modified electrolytic manganese waste residue, preparation method thereof and industrial wastewater treatment method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161130

WD01 Invention patent application deemed withdrawn after publication