CN106517585A - Method for staged removal of thallium from high thallium wastewater - Google Patents

Method for staged removal of thallium from high thallium wastewater Download PDF

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Publication number
CN106517585A
CN106517585A CN201611071686.9A CN201611071686A CN106517585A CN 106517585 A CN106517585 A CN 106517585A CN 201611071686 A CN201611071686 A CN 201611071686A CN 106517585 A CN106517585 A CN 106517585A
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China
Prior art keywords
thallium
waste water
tank
except
content
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CN201611071686.9A
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Chinese (zh)
Inventor
唐剑
徐旭东
阳卫国
陈学兴
谭曦
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HUNAN SHUIKOUSHAN NONFERROUS METALS GROUP CO Ltd
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HUNAN SHUIKOUSHAN NONFERROUS METALS GROUP CO Ltd
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Priority to CN201611071686.9A priority Critical patent/CN106517585A/en
Publication of CN106517585A publication Critical patent/CN106517585A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • 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
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • 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
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular 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
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

A method for staged removal of thallium from high thallium wastewater comprises the following steps: 1, pre-treating wastewater: pumping a high thallium wastewater into a polluted acid residue thickener, concentrating the high thallium wastewater, carrying out press filtration, allowing obtained press filtration filtrate to sequentially flow through a first stage precipitation tank, a second stage precipitation tank and a third stage precipitation tank, carrying out a reaction, allowing obtained reaction solution to overflow to an electrochemical homogenizing tank from the third stage precipitation tank, and processing the reaction solution to obtain pretreated wastewater with the thallium content being not more than 0.2 mg/L and with the pH value of 9-10; and 2, carrying out advanced treatment: pumping the pretreated wastewater into a first stage thallium removal reaction tank, allowing the obtained wastewater to flow through an electrochemical reaction system, an aeration tank and a flocculation reaction tank, carrying out solid-liquid separation in an oblique plate precipitation tank, allowing obtained clear liquid to flow to a useable water tank, pumping the clear liquid into a second stage thallium removal reaction tank, processing the clear liquid, pumping the processed clear liquid into a sand filtration tank, and filtering and purifying the processed clear liquid. The method reduces thallium in the high thallium wastewater to 0.2 mg/L through pretreatment, and realizes substantial reduction of the content of treated wastewater and increase of the removal rate of thallium from wastewater through additionally arranging the first stage thallium removal reaction tank and the second stage thallium removal reaction tank in the advanced treatment.

Description

It is a kind of that high thallium content waste water is carried out being segmented the method except thallium
Technical field
The present invention relates to a kind of sewage water treatment method, carries out being segmented except thallium to high thallium content waste water more particularly, to a kind of Method.
Background technology
At present, due to raw material and close circulation technology, in causing waste water, thallium contains the Waste Water Treatment of lead-zinc smelting system Amount is high, and existing except thallium method, to be primarily directed to thallium-containing quantity relatively low(Thallium content is less than 1.0mg/l)Waste water processed.
104445733 A of CN disclose a kind of lead-zinc smelting flue gas washing acid water process for removing thallium, first by flue gas washing The homogenizing pond sedimentation of acid water, to adding sulfide in the acid water after homogenizing, removes most hydrargyrum, then carries out Coagulation;PH value is adjusted to the acid water after demercuration, sulfide, flocculant is sequentially added, by filter pressing, is entered back into two grades Process;Sulfide, flocculant are sequentially added, by inclined plate sedimentation by acid-alkali accommodation pH value to 11 to one-level supernatant purified water Depth removes inscription therein and heavy metal ion.The process for removing thallium is adapted to carry out low thallium content waste water except thallium process, and operation is multiple It is miscellaneous, and its efficiency is low during for processing the high waste water of thallium content.
106082502 A of CN disclose a kind of method for removing thallium in waste water, i.e., first under conditions of being sufficiently stirred for, will Reducing agent add waste water in so as in trivalent thallium be reduced to monovalence thallium;Again by potassium ferrocyanide solution and the tri-chlorination of excess Ferrous solution is sufficiently mixed, and obtains the mixture of Prussian blue, ferric chloride and water, and this mixture is added above-mentioned waste water then In, add ferric flocculant solution, solid-liquid separation again after stirring to separate the thallium in solid phase from water body afterwards, thallium is by from waste water Middle removal.
104925988 A of CN disclose a kind of deep treatment method containing heavy metal wastewater therebies such as thalliums, be by acidic reduction, Except thallium medicament precipitation, three step compositions are filtered, the reaction pH of acidic reduction is 1 ~ 6, can be by thallium concentration by this method It is down to below 5 μ g/L.The deep treatment method is adapted to carry out low thallium content waste water except thallium process, high for processing thallium content Waste water when its efficiency it is low.
105692764 A of CN disclose a kind of lead-zinc smelting wastewater except thallium method, the method is comprised the steps of: (1) manganese ore is ground into into the manganese mineral powder below 200 mesh;(2) ratio of 1g manganese mineral powders is added in 100 ~ 500ml lead-zinc smelting wastewaters Manganese mineral powder is added in lead-zinc smelting wastewater, aeration adjusts pH value to 10 after 1 hour, then aeration 1 hour, 1 hour heel row of standing Put clear liquid, you can.The method needs to consume manganese mineral powder, and in its high expensive, and its supernatant, thallium content does not still meet environment Discharge standard(Thallium content is less than 5 μ g/l).
The content of the invention
The technical problem to be solved in the present invention is:Overcome the deficiencies in the prior art, there is provided a kind of suitable high thallium content waste water, Simple to operate, processing cost is low, except thallium rate is high and waste water after processing meets entering to high thallium content waste water for discharge standard requirement Row segmentation is except the method for thallium.
The technical solution adopted for the present invention to solve the technical problems is:It is a kind of to carry out segmentation to high thallium content waste water except thallium Method, comprise the following steps:
1)Wastewater Pretreatment:By high thallium content waste water pump to waste acid slag concentrator, and add lime cream into waste acid slag concentrator High thallium content waste water is neutralized, pH is controlled 10 ~ 12, then, using diaphragm filter press filter pressing, filter pressing filtrate flows through one section successively and sinks Shallow lake pond, two-stage nitration sedimentation tank and three sections of sedimentation tanks are reacted, and, from three sections of sedimentation tank overflows to electrochemistry balancing reservoir, Jing is electric for reactant liquor Chemical balancing reservoir obtains waste water after the pretreatment that thallium-containing quantity≤0.2mg/L, pH is 9 ~ 10 after processing;
2)Advanced treating:By step 1)After the pretreatment for obtaining, waste water is pumped to one section that is added with electrochemistry accelerator except thallium is anti- Ying Chi, after then overflow is precipitated to electrochemical reaction system, flowing to certainly Aeration tank carries out aerated reaction, then is pumped to flocculation Reaction tank carries out solid-liquid separation in inclined-plate clarifying basin after carrying out flocculation reaction, the process clear liquid of inclined-plate clarifying basin flow to available water Be pumped to the two-stage nitration for oxidized form being added with except thallium medicament behind pond except, in thallium reaction tank, two-stage nitration is except the waste water pump after the process of thallium reaction tank Deliver to, its clear liquid flows back into clear water reserviors, the waste water in clear water reserviors is directly outer to be arranged, or is used as anti- Flushing water carries out backwash to sandfiltration pot, is then pumped to sludge-tank, is pumped to arsenic slag after mixing with the bed mud of inclined-plate clarifying basin Concentrator is concentrated.
Further, the pH < 1 of the high thallium content waste water, lead content are 30-60mg/L, and arsenic content is 2000-3000mg/ L, cadmium content are 2000-3000mg/L, and thallium content is 2-3mg/L.
Further, the underflow of one section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks returns arsenic slag by circulating pump Concentrator carries out concentration cycles utilization.
Further, one section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks are added with bleaching fluid, sodium sulfide respectively With anion-polyacrylamide flocculant liquid;The addition of the bleaching fluid is 1.0 ~ 1.5g/Kg h;The sodium sulfide Addition be 0.5 ~ 1.0 g/Kg h;The addition of anion-polyacrylamide flocculant is 2 ~ 5 ‰.
Further, the flow of the electrochemical reaction system be 26 ~ 32 m/h, its voltage >=30V, electric current >=700A.
Further, the consumption of the electrochemistry accelerator is 0.05 ~ 0.2g/kg h, and electrochemistry accelerator is containing active sulfur Group except thallium medicament.
Further, the consumption that the oxidized form removes thallium medicament is 0.1 ~ 0.5g/kg h.
The present invention is a kind of to be carried out being segmented the beneficial effect of the method except thallium to high thallium content waste water:High thallium content waste water is entered Row segment processing, is caught by the bridge formation in pretreatment stage, net, coagulation co-precipitation harmful heavy metal, and by high thallium content Thallium in waste water is down to 0.2mg/L;Thallium is removed using sodium sulfide in the Wastewater Pretreatment stage, advanced treating is reduced except thallium workshop section Pressure;Advanced treating adopts traditional flocculation, depositing technology, and newly-increased one section is removed thallium reaction tank and two-stage nitration except thallium reaction tank, is shown Work reduces the content of thallium in processed waste water, improves the clearance of thallium in waste water.Using the present invention to high thallium content waste water Carry out being segmented the method except thallium, the content of thallium can be down to below 2.5 μ g/L in waste water, and be conducive to the heavy metal in waste water Recycle.
Description of the drawings
Fig. 1 be it is a kind of to high thallium content waste water carry out be segmented except thallium method schematic flow sheet.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
In following examples, wherein, one section of sedimentation tank, the bleaching powder of two-stage nitration sedimentation tank and three sections of sedimentation tank additions, it is cloudy from The flocculant of subtype polyacrylamide flocculant and flocculation tank from market purchasing, other chemical reagent(Such as sulphuric acid, sulfur Change sodium)Using chemically pure reagent, from market purchasing, the electrochemistry accelerator and oxidized form are except thallium medicament is purchased from Changsha Hua Shijie Environmentally friendly development in science and technology company limited;
Embodiment 1
With reference to Fig. 1:The a kind of of the present embodiment carries out being segmented the method except thallium to high thallium content waste water, comprises the following steps:
1)Wastewater Pretreatment:By high thallium content waste water pump to waste acid slag concentrator, and add lime cream into waste acid slag concentrator High thallium content waste water is neutralized, pH is controlled 11.0, then, using diaphragm filter press filter pressing, filter pressing filtrate flows through one section successively and sinks Shallow lake pond, two-stage nitration sedimentation tank and three sections of sedimentation tanks are reacted, and, from three sections of sedimentation tank overflows to electrochemistry balancing reservoir, Jing is electric for reactant liquor Chemical balancing reservoir obtains thallium-containing quantity after processing be waste water after the pretreatment that 0.16mg/L, pH are 9.5;
2)Advanced treating:By step 1)After the pretreatment for obtaining, waste water is pumped to one section that is added with electrochemistry accelerator except thallium is anti- Ying Chi, after then overflow is precipitated to electrochemical reaction system, flowing to certainly Aeration tank carries out aerated reaction, then is pumped to flocculation Reaction tank carries out solid-liquid separation in inclined-plate clarifying basin after carrying out flocculation reaction, the process clear liquid of inclined-plate clarifying basin flow to available water Be pumped to the two-stage nitration for oxidized form being added with except thallium medicament behind pond except, in thallium reaction tank, two-stage nitration is except the waste water pump after the process of thallium reaction tank Deliver to, its clear liquid flows back into clear water reserviors, the waste water in clear water reserviors is directly outer to be arranged, or is used as anti- Flushing water carries out backwash to sandfiltration pot, is then pumped to sludge-tank, is pumped to arsenic slag after mixing with the bed mud of inclined-plate clarifying basin Concentrator is concentrated.
The pH of the high thallium content waste water is 0.5, and lead content is 54.5mg/L, and arsenic content is 2760mg/L, and cadmium content is 2840mg/L, thallium content are 3.0mg/L.
The underflow of one section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks returns arsenic slag concentrator by circulating pump and enters Row concentration cycles are utilized.
One section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks be added with respectively bleaching fluid, sodium sulfide and the moon from Subtype polyacrylamide flocculant liquid;The addition of the bleaching fluid is 1.2g/Kg h;The addition of the sodium sulfide is 0.75g/Kg·h;The addition of anion-polyacrylamide flocculant is 3 ‰.
The flow of the electrochemical reaction system is 30m/h, and its voltage is 45V, and electric current is 800A.Electrochemical reaction system The cleaning daily of electrochemistry pole plate case in system is once.
The consumption of the electrochemistry accelerator is 0.1g/kg h, and electrochemistry accelerator is except thallium medicine containing active methylthio group Agent.
The oxidized form except thallium medicament consumption be 0.3g/kg h, two-stage nitration except the daily spoil disposal of thallium reaction tank once, sand filtration Tank is spaced backwash in 3-4 days once.
A kind of using the present embodiment carries out being segmented the method except thallium to high thallium content waste water, gives up after the pretreatment after process In water, thallium content is 0.15mg/L, and in the waste water after advanced treating, thallium content is 2.21 μ g/L.
Embodiment 2
Compared with Example 1, a kind of of the present embodiment carries out being segmented the method except thallium to high thallium content waste water, there is following difference
The pH of the high thallium content waste water is 0.8, and lead content is 45.5mg/L, and arsenic content is 2490mg/L, and cadmium content is 3000mg/L, thallium content are 2.8mg/L.
The underflow of one section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks returns arsenic slag concentrator by circulating pump and enters Row concentration cycles are utilized.
One section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks be added with respectively bleaching fluid, sodium sulfide and the moon from Subtype polyacrylamide flocculant liquid;The addition of the bleaching fluid is 1.0g/Kg h;The addition of the sodium sulfide is 0.6 g/Kg·h;The addition of anion-polyacrylamide flocculant is 5 ‰.
The flow of the electrochemical reaction system is 32 m/h, and its voltage is 30V, and electric current is 750A.
The consumption of the electrochemistry accelerator is 0.2g/kg h, and electrochemistry accelerator is except thallium medicine containing active methylthio group Agent.
The oxidized form is 0.1g/kg h except the consumption of thallium medicament.
A kind of using the present embodiment carries out being segmented the method except thallium to high thallium content waste water, gives up after the pretreatment after process In water, thallium content is 0.18mg/L, and in the waste water after advanced treating, thallium content is 2.84 μ g/L.
Embodiment 3
Compared with Example 1, a kind of of the present embodiment carries out being segmented the method except thallium to high thallium content waste water, there is following difference
The pH of the high thallium content waste water is 0.3, and lead content is 32.1mg/L, and arsenic content is 3000mg/L, and cadmium content is 2800mg/L, thallium content are 2.68mg/L.
The underflow of one section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks returns arsenic slag concentrator by circulating pump and enters Row concentration cycles are utilized.
One section of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks be added with respectively bleaching fluid, sodium sulfide and the moon from Subtype polyacrylamide flocculant liquid;The addition of the bleaching fluid is 1.5g/Kg h;The addition of the sodium sulfide is 1.0 g/Kg·h;The addition of anion-polyacrylamide flocculant is 2 ‰.
The flow of the electrochemical reaction system is 26 m/h, and its voltage is 60V, and electric current is 1000A.
The consumption of the electrochemistry accelerator is 0.3g/kg h, and electrochemistry accelerator is except thallium medicine containing active methylthio group Agent.
The oxidized form is 0.18g/kg h except the consumption of thallium medicament.
A kind of using the present embodiment carries out being segmented the method except thallium to high thallium content waste water, gives up after the pretreatment after process In water, thallium content is 0.16mg/L, and in the waste water after advanced treating, thallium content is 2.48 μ g/L.

Claims (8)

1. it is a kind of that high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that to comprise the following steps:
Wastewater Pretreatment:By high thallium content waste water pump to waste acid slag concentrator, and add in lime cream into waste acid slag concentrator With high thallium content waste water, 10 ~ 12, then, using diaphragm filter press filter pressing, filter pressing filtrate flows through one section of precipitation successively for pH controls Pond, two-stage nitration sedimentation tank and three sections of sedimentation tanks are reacted, and, from three sections of sedimentation tank overflows to electrochemistry balancing reservoir, Jing is electrochemical for reactant liquor Learn and after balancing reservoir is processed, obtain waste water after the pretreatment that thallium-containing quantity≤0.2mg/L, pH is 9 ~ 10;
Advanced treating:By step 1)After the pretreatment for obtaining, waste water is pumped to one section that is added with electrochemistry accelerator except thallium reacts Pond, after then overflow is precipitated to electrochemical reaction system, flowing to certainly Aeration tank carries out aerated reaction, then it is anti-to be pumped to flocculation Ying Chi carries out solid-liquid separation in inclined-plate clarifying basin after carrying out flocculation reaction, the process clear liquid of inclined-plate clarifying basin flow to can millpond Be pumped to the two-stage nitration for oxidized form being added with except thallium medicament afterwards except, in thallium reaction tank, two-stage nitration is except the waste water pumping after the process of thallium reaction tank Filtration, purification is carried out to sandfiltration pot, its clear liquid flows back into clear water reserviors, the waste water in clear water reserviors is directly outer to be arranged, or is used as recoil Wash water carries out backwash to sandfiltration pot, is then pumped to sludge-tank, is pumped to arsenic slag dense after mixing with the bed mud of inclined-plate clarifying basin Close machine is concentrated.
2. as claimed in claim 1 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that the high thallium content The pH < 1 of waste water, lead content is 30-60mg/L, and arsenic content is 2000-3000mg/L, and cadmium content is 2000-3000mg/L, thallium Content is 2-3mg/L.
3. as claimed in claim 1 or 2 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that described one section The underflow of sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks returns arsenic slag concentrator by circulating pump and carries out concentration cycles utilization.
4. as claimed in claim 1 or 2 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that described one section Sedimentation tank, two-stage nitration sedimentation tank and three sections of sedimentation tanks are added with bleaching fluid, sodium sulfide and anion-polyacrylamide wadding respectively Solidifying agent liquid.
5. as claimed in claim 4 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that the bleaching fluid Addition be 1.0 ~ 1.5g/Kg h;The addition of the sodium sulfide is 0.5 ~ 1.0 g/Kg h;Anionic polyacrylamide The addition of amine flocculant is 2 ~ 5 ‰.
6. as claimed in claim 1 or 2 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that the electrification Learn response system flow be 26 ~ 32 m/h, its voltage >=30V, electric current >=700A.
7. as claimed in claim 1 or 2 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that
The consumption of the electrochemistry accelerator is 0.05 ~ 0.2g/kg h, and electrochemistry accelerator is except thallium containing active methylthio group Medicament.
8. as claimed in claim 1 or 2 high thallium content waste water is carried out being segmented the method except thallium, it is characterised in that
The oxidized form is 0.1 ~ 0.5g/kg h except the consumption of thallium medicament.
CN201611071686.9A 2016-11-29 2016-11-29 Method for staged removal of thallium from high thallium wastewater Pending CN106517585A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107417004A (en) * 2017-05-19 2017-12-01 北京中科康仑环境科技研究院有限公司 A kind of method of advanced treating acid waste water containing thallium
CN108298658A (en) * 2018-03-09 2018-07-20 广东省矿产应用研究所 A kind of lead-zinc smelting wastewater depth removes thallium trapping agent and its application
CN109110981A (en) * 2018-11-05 2019-01-01 湖南水口山有色金属集团有限公司 A method of removing thallium in high acid water containing halogen

Citations (1)

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CN104445732A (en) * 2014-11-25 2015-03-25 株洲冶炼集团股份有限公司 Process for removing thallium from thallium-containing heavy metal wastewater through neutralization and flocculation

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN104445732A (en) * 2014-11-25 2015-03-25 株洲冶炼集团股份有限公司 Process for removing thallium from thallium-containing heavy metal wastewater through neutralization and flocculation

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Title
唐剑: "含铊废水处理技术在铅冶炼厂中的应用", 《硫酸工业》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107417004A (en) * 2017-05-19 2017-12-01 北京中科康仑环境科技研究院有限公司 A kind of method of advanced treating acid waste water containing thallium
CN108298658A (en) * 2018-03-09 2018-07-20 广东省矿产应用研究所 A kind of lead-zinc smelting wastewater depth removes thallium trapping agent and its application
CN109110981A (en) * 2018-11-05 2019-01-01 湖南水口山有色金属集团有限公司 A method of removing thallium in high acid water containing halogen
CN109110981B (en) * 2018-11-05 2021-05-11 湖南水口山有色金属集团有限公司 Method for removing thallium from waste water containing high-halogen waste acid

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