CN107381705A - A kind of method of a variety of cation heavy metals in phase transformation regulation and control separation and recovery water - Google Patents
A kind of method of a variety of cation heavy metals in phase transformation regulation and control separation and recovery water Download PDFInfo
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- CN107381705A CN107381705A CN201710748706.XA CN201710748706A CN107381705A CN 107381705 A CN107381705 A CN 107381705A CN 201710748706 A CN201710748706 A CN 201710748706A CN 107381705 A CN107381705 A CN 107381705A
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- 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
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- 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
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- 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
- C02F2303/16—Regeneration of sorbents, filters
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- Hydrology & Water Resources (AREA)
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Abstract
The invention belongs to technical field of sewage, the method for disclosing a variety of cation heavy metals in a kind of phase transformation regulation and control separation and recovery water.Nano adsorption material is added in the sewage containing a variety of cation heavy metals and adsorbed, the mud after absorption and water are added in reactor, CO is passed through under closed and stirring condition2Gas is reacted, and the bicarbonate for making nano adsorption material generation soluble is transferred to solution by solid phase, then passes through carbonate or subcarbonate that thermal conversion is solid phase, through calcining or drying and grinding, the nano adsorption material regenerated.A variety of cation heavy metals and CO simultaneously2And water it is existing under the conditions of reaction generation infusible precipitate, pass through mineralizer hydro-thermal reaction size and separate.The method spent material of the present invention is carbon dioxide, does not introduce new impurity, and the enriching and recovering of a variety of cation heavy metals and the regeneration of nano adsorption material can be achieved.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a variety of cations in a kind of phase transformation regulation and control separation and recovery water
The method of heavy metal.
Background technology
Nearly ten years, industrialized development brings the huge wealth of society to China with expanding, while pollutant is big
Amount discharge causes serious pollution to environment, has triggered a lot of environmental hazard events.For example, Jiangxi Province's copper of report in 2012
Industry pollutes, local because a large amount of discharges of the sewage containing heavy metal cause the pollution of water body and soil so that more than 400,000
The health of local resident is on the hazard, and causes severe social influence；With the Shaoguan City of Guangdong Province Renhua in report in 2012
There is the exceeded situation of children blood lead in county Dong Tang towns, and 159 children blood leads reach high blood lead disease and judged more than 100 micrograms per litres
One of standard, reason is exactly the leaded pollutant that domestic enterprise is discharged；The Qujing of Yunnan pollution of chromium time occurred in 2011
Cause water body and the soil pollution of large area.In the public hazard incident frequently occurred, the heavy metal such as copper, lead, chromium is often thing
Major pollutants in part, the sewage containing heavy metal can do great damage after entering the ecosystem to system, contaminated food
Chain, it is enriched with organism including humans, triggers serious consequence.Chinese Ministry of Environmental Protection will solve the huge sum of money for endangering health of the masses
Category pollution problem is classified as the emphasis position of national prevention and cure of pollution work in 2010, exists by China's Industrial Waste Water Treatments amount in 2014
50000000000 tons or so, the poisonous and hazardous heavy metals such as a large amount of mercury, arsenic, cadmium, lead, chromium, copper, zinc are contained in trade effluent.So research and development
Treatment technology containing heavy metal containing sewage, especially low consumption, treatment technology that is pollution-free and can recycling are considerably long from now on
In period China there is an urgent need to sewage disposal technology, and promote Ecological Civilization Construction road on reach economy and environment
The inevitable requirement of joint development target.
Up to the present, to the research containing heavy metal containing sewage for quite a long time, have accumulated considerable experience, shape
Into many effective and ripe processing method, such as chemical precipitation method, electrochemical process, membrane separation process, ion-exchange, absorption
Method, bioanalysis etc..Chemical precipitation method is by that can handle heavy metal wastewater thereby and the processing of high concentration toward adding chemical reagent in waste water
Effect is preferable, such as sulfide precipitation floatation is to Pb in waste water2+And Hg2+The rate of recovery can reach more than 99.90%, but pass
System chemical precipitation method needs to add substantial amounts of chemical agent, and generally existing operating cost is high and produces secondary pollution problems；Electricity
Chemical method makes the heavy metal deposition in waste water get off by redox reaction, reaches the purpose of separation and recovery, reliable, goes
Except rate is high, heavy metal is recyclable.But electrolysis processing investment is high, can produce the condition such as accessory substance, waste water quality, heavy metal concentration
Large effect can be produced to the removal efficiency and current efficiency of electrolysis；Membrane separation process does not change the physico-chemical property of waste water, point
From efficiency high, operation operation mature and reliable, recovery heavy metal is separated.But it is easily dirty cost of investment height, high energy consumption, pellicle to be present
The problems such as dye, concentrate post processing；The clearance of ion-exchange heavy metal ion is high, can reach the mesh of recovery heavy metal
's.But investment be present and operating cost is high, limit its application the problems such as ion exchange resin desorption and regeneration；Bioanalysis has
The advantages that wide adaptability, selectivity are high, applicable to organic pollution better tolerance, high-concentration and low-concentration.It is but most of at present relevant
The research of bioanalysis is in laboratory stage, and the application of actual production is less；Absorption method is widely used, easy to operate, is not produced
Secondary pollution, but the operation the problem of recovery of heavy metal, the regeneration of adsorbent and reuse to system brings certain ask
Topic.
What the country was formed at present is directed in the patent containing heavy metal-polluted water process, mostly using in above-mentioned principle
One or more plus it is respective design and formed.Such as CN1554596 describes a kind of side of chemical precipitation-UF membrane
Method can make content of beary metal in processing water be down to below 1mg/L, but regulation pH and precipitation process will consume a large amount of reagents, UF membrane
Component also has membrane pollution problem, processing cost height；
CN101381074 describes a kind of chemical precipitation method using hydrogen sulfide, during sulfide through peracid treatment energy
Hydrogen sulfide is regenerated, but the method needs to consume hydrochloric acid, and the equipment exclusively with hydrogen sulfide is needed, there are cost height, consumption
The problem of big；CN102531233A describes a kind of method of ion exchange-chemical precipitation recovery chromium, this method efficiency high, effect
It is good, but sodium hydroxide and vulcanized sodium are consumed in desorption precipitation process, the problem of having cost high and be safe for operation；
CN102815831A describes a kind of heavy metal collection method of chelating-electrolysis, this method high treating effect, heavy metal recovery rate
Height, good operability, but system and device are complicated, and chelating, precipitation, contact break are required for consuming chemical reagent, and change of water quality can influence electricity
Solve efficiency；CN106044965A describes a kind of electrolysis unit for combining anion and cation exchange membrane, and the apparatus structure is simple, makes
With it is convenient, can be electrolysed and electrodialysis process, but water quality for sewage and the requirement of anion and cation exchange membrane are strict；
CN203229428U describes a kind of system being made up of absorption-counter-infiltration-ion exchange, high treating effect, heavy metals removal
Rate is adsorbed up to more than 99% and is required for periodic maintenance, ion exchange system desorption to need to consume medicament with counter-infiltration system,
Operation expense is high.By above example as can be seen that being currently attained by quite to the processing method containing heavy metal containing sewage
Good treatment effect, contained heavy metal, which can also be stablized, to be reclaimed, but generally existing investment is high, reagent consumption is big, operating cost is high,
The problems such as producing accessory substance.
Therefore turned into industry with developing the absorption method sewage disposal technology based on various efficient, inexpensive sorbing materials
The research of sewage heavy metal separation and recovery and the focus of application, but such a technology universal is asked in application process there are still some
Topic, for example, heavy metal can only be assembled in sorbing material adsorption, the new pollutant bag that sorbing material combines to form with heavy metal
It is rolled in material surface and forms new dangerous waste, heavy metal in the huge discharge environment of sorbing material desorption process acid and alkali consumption with causes two
Secondary pollution, various heavy, which mixes, is unable to reach directional separation recovery when coexisting.
In view of the above-mentioned problems, this technology team discloses a kind of magnesium hydroxide adsorbent enrichment of recyclable regenerative in early stage
The method (201010121643.3) of low-concentration heavy metal in water.But this method can only realize that the separation of heavy metal anion is rich
Collection, principle is to pass through CO2Reacting generation heavy metal anion with magnesium hydroxide does not almost have three aqueous carbonates of suction-operated
Magnesium, so as to realize the desorption of heavy metal anion and separation and concentration.But for a variety of cation heavy metals present in environment, together
Sample needs to seek preferred solution.
The content of the invention
In place of shortcoming and defect existing for above prior art, it is an object of the invention to provide a kind of phase transformation regulation and control
The method for separating and recovering a variety of cation heavy metals in water.
The object of the invention is achieved through the following technical solutions：
The method of a variety of cation heavy metals, comprises the following steps in a kind of phase transformation regulation and control separation and recovery water：
(1) nano adsorption material is added in the sewage containing a variety of cation heavy metals and is stirred absorption, solid-liquid
Separation, obtain being adsorbed with a variety of cation heavy metals nano adsorption material mud and adsorption treatment after purified water；It is described to receive
Rice sorbing material refers to energy and CO2Reaction generates the material of soluble bicarbonate under the conditions of existing for water；
(2) the nano adsorption material mud of a variety of cation heavy metals will be adsorbed with obtained by step (1) and water is added to instead
Answer in device, CO is passed through under closed and stirring condition2Gas to system pressure is that 0.1~10Mpa is reacted, and makes nano adsorption material
Expect the CO in excess2And water it is existing under the conditions of the soluble bicarbonate of reaction generation, solution is transferred to by solid phase, simultaneously
A variety of the cation heavy metals and CO of absorption2And water it is existing under the conditions of reaction generation infusible precipitate, separation of solid and liquid, realize more
The separation of kind cation heavy metal and nano adsorption material；
(3) by soluble bicarbonate solution obtained by step (2) mutually by carbonate or alkali that thermal conversion is solid phase
Formula carbonate, gained solid phase is through calcining or drying and grinding, the nano adsorption material regenerated；
(4) infusible precipitate of a variety of cation heavy metals obtained by step (2) is added to the water, then adds mineralizer
Carry out hydro-thermal reaction, isolated different cation heavy metal.
Further, described nano adsorption material refers to nano-sized magnesium hydroxide or nano-calcium carbonate.Nano-sized magnesium hydroxide can
Be made by the synthesis of chemically and physically method or the magnesia that was heated at high temperature be added directly into stirring containing weight
The nanometric magnesium hydroxide generated in metal sewage；The magnesia being heated at high temperature refer to 100~700 DEG C heat 1~
Magnesia after 3h.Nano-calcium carbonate is made either from natural biological carbonic acid such as oyster shells from chemically and physically method
Calcium.
Further, a variety of cation heavy metals include Hg2+、Cd2+、Cu2+、Pb2+、Zn2+、Ni2+、Co2+、Eu2+、
Sn2+、Fe3+In at least two.
Further, step (1) if described in purified water after adsorption treatment meet discharge standard and can be discharged, if not
After-treatment can be carried out by meeting discharge standard.
The present invention principle be：Nano adsorption material pour into stirring contain a variety of cation heavy metal containing sewages in, after
Balance is adsorbed or reacted to continuous stirring until nano adsorption material reaches, and receiving for heavy metal will be coated with the methods of precipitation, centrifugation
Rice sorbing material mud separates with processing water；If processing water, which meets discharge standard, to be discharged, if not meeting discharge
Standard can carry out after-treatment, and gained nano adsorber mud carries out desorption and regeneration processing.Desorption process step is as follows：Will cladding
The nano adsorption material mud for having a variety of cation heavy metals is directed into a closed reactor, is added according to different pollutant types
Enter the water of respective amount, then pass to carbon dioxide, while control the pressure in reactor；Nano adsorption material is anti-with carbon dioxide
Corresponding bicarbonate, enriching heavy metal heavy metal carbonate corresponding with carbon dioxide reaction generation and a huge sum of money should be increasingly generated
Belong to subcarbonate nanometer solid phase, separated according to dissolved state different in solution so as to reach.A variety of cation heavy metals
Insoluble heavy metal carbonate or subcarbonate are added to the water, and then add mineralizer and carry out hydro-thermal reaction, mineralizer
Add and hydrothermal reaction condition be make different cation heavy metals by nanocrystalline diauxic growth generate size differ it is each
Heavy metal thing phase, then obtaining different cation heavy metals by size classification directional separation, (specific mineralizer and hydro-thermal are anti-
Answer principle refer to patent 200610135382.4,201610501716.9,201610502468.X, 201610502493.8,
201610502498.0)。
The method of the present invention has the following advantages that and beneficial effect：
(1) method of the invention both can be separated and recovered cation heavy metal, can obtain nano adsorption material again
Regeneration.Constantly can be adsorbed using this nano adsorption material by closing phase transformation circulation from cation heavy metal containing sewage,
Enrichment, separation and recovery cation heavy metal.Processing water can reach discharge standard, and cation heavy metal can be by enriching and recovering, nanometer
Sorbing material energy regeneration, during spent material be carbon dioxide, not toward processing water in introduce new impurity.
(2) insoluble the heavy metal carbonate or basic carbonate of a variety of cation heavy metals can pass through in method of the invention
Mineralizer and hydro-thermal reaction are added, different cation heavy metals is obtained by size classification directional separation.
(3) equipment needed for the inventive method is simple, easy to operate, can handle on a large scale, can continuously run, and cost is low, tool
There are preferable environment, social and economic benefit.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1
Magnesium hydroxide is to Pb in water2+/Zn2+Adsorbing separation
(1) Pb that concentration is 100mg/L is taken2+The solution 50mL and Zn that concentration is 100mg/L2+Solution 50mL is mixed, to mixed
Close and 50mg magnesium hydroxides are added in liquid, be centrifuged after being stirred 12 hours with agitator, obtain magnesium hydroxide mud and place
Clear liquid after reason.To gained clear liquid to Pb2+And Zn2+Concentration is detected, and measures Pb2+Concentration is 0.062mg/L, Zn2+Concentration is
0.019mg/L。
(2) take gained magnesium hydroxide mud in step (1) to be placed in rustless steel container, add 10mL deionized waters and stirred
Mix, carbon dioxide is passed through after being sealed to container, holding container pressure is 0.5Mpa, reacts 12h.Magnesium hydroxide is in mistake
The CO of amount2And water it is existing under the conditions of reaction generation soluble magnesium bicarbonate, solution is transferred to by solid phase, while adsorb
Pb2+And Zn2+With CO2Reaction generation insoluble carbonate in the presence of water.Gained mixture is filtered, gained filter residue steams
XRD analysis are carried out after distilled water washing, the results showed that solid constituent is ceruse and zinc carbonate.
(3) take gained filtrate in step (2) to be heated to 100 DEG C, continue 2h, 4MgCO can be obtained after filtering3·Mg
(OH)2·5H2O(S).Gained solid is heated into 2h under the conditions of 600 DEG C, you can obtain magnesia.Can directly it be poured into after having heated
Containing Pb2+/Zn2+Sewage in the nanometric magnesium hydroxide that generates, you can carry out next round adsorption operations.
(4) gained hybrid solid in step (2) is taken, sodium bicarbonate solution 20mL and the 20mL clear water that concentration is 1M is added and exists
3h is heated under the conditions of 120 DEG C, gained mixture centrifuges 1min under the conditions of 1000r/min, utilizes ceruse and Zinc Carbonate particulate
Size difference can separate lead and zinc.
Embodiment 2
Magnesium hydroxide is to Eu in water2+/Pb2+Adsorbing separation
(1) Eu that concentration is 100mg/L is taken2+The solution 50mL and Pb that concentration is 100mg/L2+Solution 50mL is mixed, to mixed
Close and 50mg magnesium hydroxides are added in liquid, be centrifuged after being stirred 12 hours with agitator, obtain magnesium hydroxide mud and place
Clear liquid after reason.To Eu in gained clear liquid2+And Pb2+Concentration is detected, and measures Eu2+Concentration is 0.055mg/L, Pb2+Concentration is
0.052mg/L。
(2) take gained magnesium hydroxide mud in step (1) to be placed in rustless steel container, add 10mL deionized waters and stirred
Mix, carbon dioxide is passed through after being sealed to container, holding container pressure is 0.5Mpa, reacts 12h.Magnesium hydroxide is in mistake
The CO of amount2And water it is existing under the conditions of reaction generation soluble magnesium bicarbonate, solution is transferred to by solid phase, while adsorb
Eu2+And Pb2+With CO2Reaction generation infusible precipitate in the presence of water.Gained mixture is filtered, the distillation of gained filter residue
XRD analysis are carried out after water washing, the results showed that solid constituent is europium carbonate and basic lead carbonate.
(3) take filtrate obtained by step (2) to be heated to 100 DEG C, continue 2h, 4MgCO can be obtained after filtering3·Mg(OH)2·
5H2O(S).Gained solid is heated into 2h under the conditions of 600 DEG C, you can obtain magnesia.Can directly it be poured into containing Eu after having heated2+/
Pb2+Sewage in the nanometric magnesium hydroxide that generates, you can carry out next round adsorption operations.
(4) hybrid solid obtained by step (2) is taken, sodium bicarbonate solution 20mL and the 20mL clear water that concentration is 1M is added and exists
3h is heated under the conditions of 120 DEG C, gained mixture centrifuges 1min under the conditions of 1000r/min, utilizes Tan Suan Eu and ceruse particle
Size difference Ke separates Eu and lead.
Embodiment 3
Magnesium hydroxide is to Sn in water2+/Fe3+Adsorbing separation
(1) Sn that concentration is 100mg/L is taken2+The solution 50mL and Fe that concentration is 100mg/L3+Solution 50mL is mixed, to mixed
Close and 50mg magnesium hydroxides are added in liquid, be centrifuged after being stirred 12 hours with agitator, obtain magnesium hydroxide mud and place
Clear liquid after reason.To Sn in gained clear liquid2+And Fe3+Concentration is detected, and measures Sn2+Concentration is 0.024mg/L, Fe3+Concentration is
0.015mg/L。
(2) take gained magnesium hydroxide mud in step (1) to be placed in rustless steel container, add 10mL deionized waters and stirred
Mix, carbon dioxide is passed through after being sealed to container, holding container pressure is 0.5Mpa, reacts 12h.Magnesium hydroxide is in mistake
The CO of amount2And water it is existing under the conditions of reaction generation soluble magnesium bicarbonate, solution is transferred to by solid phase, while adsorb
Sn2+And Fe3+With CO2Reaction generation infusible precipitate in the presence of water.Gained mixture is filtered, the distillation of gained filter residue
XRD analysis are carried out after water washing, the results showed that solid constituent is stannic hydroxide and iron hydroxide.
(3) take gained filtrate in step (2) to be heated to 100 DEG C, continue 2h, 4MgCO can be obtained after filtering3·Mg
(OH)2·5H2O(S).Gained solid is heated into 2h under the conditions of 600 DEG C, you can obtain magnesia.Can directly it be poured into after having heated
Containing Sn2+/Fe3+Sewage in the nanometric magnesium hydroxide that generates, you can carry out next round adsorption operations.
(4) hybrid solid of gained in step (2) is taken, 20mL salpeter solutions and 20mL clear water is added, is stirred using agitator
30min is mixed, tin oxide solid and iron nitrate solution can be obtained after mixture is filtered.
Embodiment 4
Calcium carbonate is to Sn in water2+/Fe3+Adsorbing separation
(1) Sn that concentration is 100mg/L is taken2+The solution 50mL and Fe that concentration is 100mg/L3+Solution 50mL is mixed, to mixed
Close and 50mg calcium carbonate is added in liquid, be centrifuged after being stirred 12 hours with agitator, after obtaining calcium carbonate sludge and processing
Clear liquid.To Sn in gained clear liquid2+And Fe3+Concentration is detected, and measures Sn2+Concentration is 0.102mg/L, Fe3+Concentration is
0.085mg/L。
(2) take gained calcium carbonate sludge in step (1) to be placed in rustless steel container, add 10mL deionized waters and stirred
Mix, carbon dioxide is passed through after being sealed to container, holding container pressure is 0.5Mpa, reacts 12h.Calcium carbonate is in excess
CO2And water it is existing under the conditions of the soluble calcium bicarbonate of reaction generation, solution, while the Sn adsorbed are transferred to by solid phase2 +And Fe3+With CO2Reaction generation infusible precipitate in the presence of water.Gained mixture is filtered, gained filter residue distilled water
XRD analysis are carried out after washing, the results showed that solid constituent is stannic hydroxide and iron hydroxide.
(3) take gained filtrate in step (2) to be heated to 100 DEG C, continue 2h, crystal calcium carbonate can be obtained after filtering.Will
Calcium carbonate solid can be obtained after gained solid abrasive, drying, can directly be poured into containing Sn after the completion of regeneration2+/Fe3+Sewage in
Next round adsorption operations can be carried out.
(4) hybrid solid of gained in step (2) is taken, 20mL salpeter solutions and 20mL clear water is added, is stirred using agitator
30min is mixed, tin oxide solid and iron nitrate solution can be obtained after mixture is filtered.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (3)
1. a kind of method of a variety of cation heavy metals in phase transformation regulation and control separation and recovery water, it is characterised in that comprise the following steps：
(1) nano adsorption material is added in the sewage containing a variety of cation heavy metals and is stirred absorption, separation of solid and liquid,
Obtain being adsorbed with a variety of cation heavy metals nano adsorption material mud and adsorption treatment after purified water；The nano adsorption
Material refers to energy and CO2Reaction generates the material of soluble bicarbonate under the conditions of existing for water；
(2) the nano adsorption material mud of a variety of cation heavy metals will be adsorbed with obtained by step (1) and water is added to reactor
In, it is passed through CO under closed and stirring condition2Gas to system pressure is that 0.1~10Mpa is reacted, and nano adsorption material is existed
Excessive CO2And water it is existing under the conditions of the soluble bicarbonate of reaction generation, solution is transferred to by solid phase, adsorbed simultaneously
A variety of cation heavy metals and CO2And water it is existing under the conditions of reaction generation infusible precipitate, separation of solid and liquid, realize a variety of sun
The separation of ion heavy metal and nano adsorption material；
(3) by soluble bicarbonate solution obtained by step (2) mutually by carbonate or alkali formula carbon that thermal conversion is solid phase
Hydrochlorate, gained solid phase is through calcining or drying and grinding, the nano adsorption material regenerated；
(4) infusible precipitate of a variety of cation heavy metals obtained by step (2) is added to the water, then adds mineralizer and carry out
Hydro-thermal reaction, isolated different cation heavy metal.
2. the method for a variety of cation heavy metals in a kind of phase transformation regulation and control separation and recovery water according to claim 1, it is special
Sign is：Described nano adsorption material refers to nano-sized magnesium hydroxide or nano-calcium carbonate.
3. the method for a variety of cation heavy metals in a kind of phase transformation regulation and control separation and recovery water according to claim 1, it is special
Sign is：A variety of cation heavy metals include Hg2+、Cd2+、Cu2+、Pb2+、Zn2+、Ni2+、Co2+、Eu2+、Sn2+、Fe3+In
At least two.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081908A (en) * | 2021-04-23 | 2021-07-09 | 黑龙江省科学院自然与生态研究所 | Artificial growth-promoting volcanic mud and preparation method and application thereof |
| CN115814752A (en) * | 2023-01-31 | 2023-03-21 | 成都理工大学 | Calcium carbonate and nano-magnesia composite material and preparation and application methods thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209873A (en) * | 2006-12-27 | 2008-07-02 | 中国科学院福建物质结构研究所 | Method for separating and recovering chromium from waste residue containing hexavalent chromium |
| CN101302010A (en) * | 2008-06-27 | 2008-11-12 | 刘启波 | By-product carbon dioxide cogeneration carbonas in giobertite process and application method thereof to sewage disposal |
| CN102190345A (en) * | 2010-03-10 | 2011-09-21 | 中国科学院福建物质结构研究所 | Method for enriching low-concentration heavy metal in water by recyclable magnesium hydroxide adsorbent |
| CN102730812A (en) * | 2012-07-26 | 2012-10-17 | 长沙矿冶研究院有限责任公司 | Pharmaceutical compound for treating wastewater containing complex heavy metals and/or radioactive substances and application of pharmaceutical compound |
| CN103785348A (en) * | 2012-10-29 | 2014-05-14 | 日铁住金环境株式会社 | Harmful-substance processing material, its manufacturing method and harmful-substance processing method |
-
2017
- 2017-08-28 CN CN201710748706.XA patent/CN107381705B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209873A (en) * | 2006-12-27 | 2008-07-02 | 中国科学院福建物质结构研究所 | Method for separating and recovering chromium from waste residue containing hexavalent chromium |
| CN101302010A (en) * | 2008-06-27 | 2008-11-12 | 刘启波 | By-product carbon dioxide cogeneration carbonas in giobertite process and application method thereof to sewage disposal |
| CN102190345A (en) * | 2010-03-10 | 2011-09-21 | 中国科学院福建物质结构研究所 | Method for enriching low-concentration heavy metal in water by recyclable magnesium hydroxide adsorbent |
| CN102730812A (en) * | 2012-07-26 | 2012-10-17 | 长沙矿冶研究院有限责任公司 | Pharmaceutical compound for treating wastewater containing complex heavy metals and/or radioactive substances and application of pharmaceutical compound |
| CN103785348A (en) * | 2012-10-29 | 2014-05-14 | 日铁住金环境株式会社 | Harmful-substance processing material, its manufacturing method and harmful-substance processing method |
Non-Patent Citations (3)
| Title |
|---|
| WEIZHEN LIU ET AL.: ""Recycling Mg(OH)2 Nanoadsorbent during Treating the LowConcentration of CrVI"", 《ENVIRONMENTAL SCIENCE & TECHNOLOGY》 * |
| 危晴编著: "《化学综合——无机化学》", 30 September 2011 * |
| 姜述芹等: ""氢氧化镁处理含镉废水的研究"", 《环境化学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081908A (en) * | 2021-04-23 | 2021-07-09 | 黑龙江省科学院自然与生态研究所 | Artificial growth-promoting volcanic mud and preparation method and application thereof |
| CN115814752A (en) * | 2023-01-31 | 2023-03-21 | 成都理工大学 | Calcium carbonate and nano-magnesia composite material and preparation and application methods thereof |
| CN115814752B (en) * | 2023-01-31 | 2024-04-05 | 成都理工大学 | Composite material of calcium carbonate and nano magnesium oxide and preparation and application methods thereof |
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