CN109574359A - A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel - Google Patents
A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel Download PDFInfo
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- CN109574359A CN109574359A CN201811649292.6A CN201811649292A CN109574359A CN 109574359 A CN109574359 A CN 109574359A CN 201811649292 A CN201811649292 A CN 201811649292A CN 109574359 A CN109574359 A CN 109574359A
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- Prior art keywords
- nickel
- waste water
- water
- treated sewage
- sewage reusing
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/10—Sulfates
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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
- C02F1/001—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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel, belong to chemical industry, environmental technology field, the key step of the process are as follows: iron filings-fluidized bed, TOC removal pretreatment, pre-filtering, osmosis filtration and nickel resources recovery system, the process may be implemented to recycle nickel resources in nickel-containing waste water, and the reuse of water resource is carried out to waste water, achieve the purpose that emission reduction.
Description
Technical field
The present invention relates to chemical industry, environmental technology field, in particular to a kind of nickel-containing waste water Treated sewage reusing processing system and
Nickel resources recovery system.
Background technique
Nickel ion in industrial wastewater is a kind of hypertoxic environmental contaminants.If to the industrial wastewater containing nickel ion without
Direct emission is handled, high risks will be caused to the mankind and environment.
The processing method of industrial nickel-containing waste water includes chemical precipitation method, membrane separation process at present.Chemical precipitation method investment is big
The alkali and flocculant of amount, this forensic chemistry dosing is more, generates a large amount of nickel-containing sludges, easily causes secondary pollution.Membrane separation process is
Nickel ion is precipitated by chemical reaction first, then supernatant is handled by embrane method, is consumed during this processing a large amount of
Alkali and coagulant introduce a large amount of sodium ions and other impurities ion in water body, are unfavorable for preparing pure water, while generating and largely containing
Nickel sludge, be easy to cause secondary pollution.
CN 107697982 proposes a kind of nickel-containing waste water membrane treating method, and nickel-containing waste water is first carried out chemistry by this method
Reaction, is concentrated nickel hydroxide by micro-filtration, and micro-filtration produces water by reverse osmosis membrane, produces water reuse.It needs to put into during this
A large amount of alkali increase salinity and a large amount of nickel mud generated in water.
Summary of the invention
Present invention mainly solves the technical issues of: the recycle value for being directed to nickel in nickeliferous industrial wastewater is low, direct row
Putting has the drawbacks of lasting risk to environment, provides the process for reclaiming of a kind of nickel-containing waste water Treated sewage reusing and nickel, realizes
Nickel resources recycling, and the reuse of water resource is carried out to waste water, achieve the purpose that emission reduction.
In order to achieve the above purpose, the specific technical solution that the present invention takes is: a kind of nickel-containing waste water Treated sewage reusing with
And the process for reclaiming of nickel, the specific steps are that:
1. iron filings-fluidized bed: use iron filings fluidized-bed process, only introduced in waste water have catalysed oxidn it is ferrous from
Son avoids other impurities ion from introducing, is conducive to subsequent Treated sewage reusing to electroplating assembly line；
2. TOC removal pretreatment: dissolved organic matter and reducing total phosphorus by the investment of non-metal oxidant, in degrading waste water
Content, and by specific pH, it removes iron ion in water removal and retains nickel ion；
3. pre-filtering: using smart membrane processing step 2. in produce water, remove colloid in water body, suspended matter and degradation it is organic
Object increases the cleaning frequency of reverse osmosis membrane；
4. osmosis filtration: producing water using reverse osmosis membrane processing step is 3. middle, produce water and be back to electroplating workshop, the weight in waste water
Metal is transferred to nickel resources recovery system with concentrated water；
5. nickel resources recovery system: first extracting the concentrated water that film generates, purification and concentrated vitriol nickel, then be evaporated knot
Crystalline substance obtains nickel sulfate hexahydrate crystal (nickel mass fraction is greater than 22.0%), to be recycled to nickel resources.
3. middle smart membrane pre-filtering refers to the specific filter core of selection and sets automatic cleaning pressure the step, efficiently separates
Colloid, organic decomposition object and suspended matter in waste water, while being not required to shut down and unpicking and washing filtration core, it is not necessarily to human cost.
Compared with the prior art, the invention has the advantages that:
(1) it uses iron filings-fluidized bed as pretreatment, not only reduces ferrous sulfate input amount, but also content of organics can be reduced,
Reverse osmosis membrane service life and the cycle of operation are improved, equipment and operating cost are reduced；
(2) by reverse osmosis membrane, the use of alkali and coagulant is reduced, water body conductivity is reduced, avoids secondary pollution；By more
Grade reverse osmosis membrane, makes finally to produce reusing rate up to 80%；
(3) nickel dope obtains the nickel sulfate hexahydrate crystal of 90% or more purity by extraction and evaporative crystallization, creates economic value, together
Shi Jieyue charges for disposing pollutants and treatment of sludge expense.
Detailed description of the invention
It will be obtained more fully from the detailed description of the embodiment below with reference to attached drawing with other advantages and features below
Understand, attached drawing must be considered in illustrative and non-limiting mode, in which:
Fig. 1 is the process flow chart according to the embodiment of the present invention；
Fig. 2 is the nickel resources recovery system according to the embodiment of the present invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel, including the following steps:
1. iron filings-fluidized bed: use iron filings fluidized-bed process, only introduced in waste water have catalytic oxidation use it is ferrous from
Son avoids other impurities ion from introducing, is conducive to subsequent Treated sewage reusing to electroplating assembly line；
2. TOC removal pretreatment: dissolved organic matter and reducing total phosphorus by the investment of non-metal oxidant, in degrading waste water
Content, and by specific pH, it removes iron ion in water removal and retains nickel ion；
3. pre-filtering: using smart membrane processing step 2. in produce water, remove colloid in water body, suspended matter and degradation it is organic
Object increases the cleaning frequency of reverse osmosis membrane；
4. osmosis filtration: producing water using reverse osmosis membrane processing step is 3. middle, produce water and be back to electroplating workshop, the weight in waste water
Metal is transferred to nickel resources recovery system with concentrated water；
5. nickel resources recovery system: first extracting the concentrated water that film generates, purification and concentrated vitriol nickel, then be evaporated knot
Crystalline substance obtains nickel sulfate hexahydrate crystal (nickel mass fraction is greater than 22.0%), to be recycled to nickel resources.
3. middle smart membrane pre-filtering refers to the specific filter core of selection and sets automatic cleaning pressure the step, efficiently separates
Colloid, organic decomposition object and suspended matter in waste water, while being not required to shut down and unpicking and washing filtration core, it is not necessarily to human cost.
The Applicant declares that the present invention is explained by the above embodiments method detailed of the invention, but the present invention not office
Be limited to above-mentioned method detailed, that is, do not mean that the invention must rely on the above detailed methods to implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (2)
1. the process for reclaiming of a kind of nickel-containing waste water Treated sewage reusing and nickel, which is characterized in that it including the following steps:
1. iron filings-fluidized bed: use iron filings fluidized-bed process, only introduced in waste water have catalysed oxidn it is ferrous from
Son avoids other impurities ion from introducing, is conducive to subsequent Treated sewage reusing to electroplating assembly line；
2. TOC removal pretreatment: dissolved organic matter and reducing total phosphorus by the investment of non-metal oxidant, in degrading waste water
Content, and by specific pH, it removes iron ion in water removal and retains nickel ion
3. pre-filtering: using smart membrane processing step 2. in produce water, remove colloid in water body, suspended matter and degradation it is organic
Object increases the cleaning frequency of reverse osmosis membrane；
4. osmosis filtration: producing water using reverse osmosis membrane processing step is 3. middle, produce water and be back to electroplating workshop, the weight in waste water
Metal is transferred to nickel resources recovery system with concentrated water；
5. nickel resources recovery system: first extracting the concentrated water that film generates, purification and concentrated vitriol nickel, then be evaporated knot
Crystalline substance obtains nickel sulfate hexahydrate crystal (nickel mass fraction is greater than 22.0%), to be recycled to nickel resources.
2. the process for reclaiming of a kind of nickel-containing waste water Treated sewage reusing according to claim 1 and nickel, it is characterised in that: institute
3. middle smart membrane pre-filtering refers to the specific filter core of selection and sets automatic cleaning pressure the step of stating, and efficiently separates the glue in waste water
Body, organic decomposition object and suspended matter, while being not required to shut down and unpicking and washing filtration core, it is not necessarily to human cost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649292.6A CN109574359A (en) | 2018-12-30 | 2018-12-30 | A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649292.6A CN109574359A (en) | 2018-12-30 | 2018-12-30 | A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel |
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| Publication Number | Publication Date |
|---|---|
| CN109574359A true CN109574359A (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811649292.6A Pending CN109574359A (en) | 2018-12-30 | 2018-12-30 | A kind of process for reclaiming of nickel-containing waste water Treated sewage reusing and nickel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751468A (en) * | 2022-04-20 | 2022-07-15 | 荆门市格林美新材料有限公司 | Method for treating TOC in nickel, cobalt or manganese finished product solution |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401591A (en) * | 2002-09-18 | 2003-03-12 | 南京大学 | Ferrite process for treating nickel-contg. waste water |
| WO2008140625A1 (en) * | 2006-12-27 | 2008-11-20 | Hw Advanced Technologies, Inc. | Membrane separation process for separating metal complexes of differing oxidation states |
| CN102060355A (en) * | 2010-11-11 | 2011-05-18 | 华南理工大学 | Method for processing heavy-metal complexed wastewater through Fenton reinforced iron-chip internal electrolysis process |
| CN103880204A (en) * | 2012-12-19 | 2014-06-25 | 上海问鼎水处理工程有限公司 | Method for removing nickel ions from electroplating sewage |
| EP3034472A1 (en) * | 2008-07-17 | 2016-06-22 | Mitsubishi Chemical Corporation | Treatment method and treatment apparatus of wastewater |
| CN107697982A (en) * | 2017-11-03 | 2018-02-16 | 深圳市纯水号水处理科技有限公司 | The recovery of nickel and water body reuse technology in a kind of nickel-containing waste water |
-
2018
- 2018-12-30 CN CN201811649292.6A patent/CN109574359A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401591A (en) * | 2002-09-18 | 2003-03-12 | 南京大学 | Ferrite process for treating nickel-contg. waste water |
| WO2008140625A1 (en) * | 2006-12-27 | 2008-11-20 | Hw Advanced Technologies, Inc. | Membrane separation process for separating metal complexes of differing oxidation states |
| EP3034472A1 (en) * | 2008-07-17 | 2016-06-22 | Mitsubishi Chemical Corporation | Treatment method and treatment apparatus of wastewater |
| CN102060355A (en) * | 2010-11-11 | 2011-05-18 | 华南理工大学 | Method for processing heavy-metal complexed wastewater through Fenton reinforced iron-chip internal electrolysis process |
| CN103880204A (en) * | 2012-12-19 | 2014-06-25 | 上海问鼎水处理工程有限公司 | Method for removing nickel ions from electroplating sewage |
| CN107697982A (en) * | 2017-11-03 | 2018-02-16 | 深圳市纯水号水处理科技有限公司 | The recovery of nickel and water body reuse technology in a kind of nickel-containing waste water |
Non-Patent Citations (4)
| Title |
|---|
| 丁启圣等: "《新型实用过滤技术》", 31 July 2011, 冶金工业出版社 * |
| 樊国福等: "《电镀与油漆配方精选》", 30 September 1994, 四川科学技术出版社 * |
| 苏会东等: "《水污染控制工程》", 31 May 2017, 中国建材工业出版社 * |
| 陈海廷等: "《精铜冶炼》", 31 October 1985, 中国有色金属工业总公司职工教育教材编审办公室 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751468A (en) * | 2022-04-20 | 2022-07-15 | 荆门市格林美新材料有限公司 | Method for treating TOC in nickel, cobalt or manganese finished product solution |
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Application publication date: 20190405 |