CN106396195A - Cycle treatment method for waste liquid produced during refining of cobalt and nickel by virtue of acid leaching process - Google Patents
Cycle treatment method for waste liquid produced during refining of cobalt and nickel by virtue of acid leaching process Download PDFInfo
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- CN106396195A CN106396195A CN201611067578.4A CN201611067578A CN106396195A CN 106396195 A CN106396195 A CN 106396195A CN 201611067578 A CN201611067578 A CN 201611067578A CN 106396195 A CN106396195 A CN 106396195A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
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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
- C02F1/44—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
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F1/52—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
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a cycle treatment method for waste liquid produced during the refining of cobalt and nickel by virtue of an acid leaching process. The cycle treatment method comprises the following steps: (1) precipitation reaction, (2) complexing of sodium polyacrylate, (3) primary ultrafiltration concentration, (4) decomplexing, (5) secondary ultrafiltration concentration and (6) reverse osmosis concentration separation. By virtue of the cycle treatment method, magnesium in waste liquid is settled by virtue of ammonium carbonate and ammonium phosphate so as to obtain magnesium carbonate and magnesium ammonium phosphate which are very common magnesium fertilizers, and metal magnesium is effectively recycled; and after magnesium is settled, obtained filtrate is subjected to complexing, twice ultrafiltration concentration and reverse osmosis concentration separation, residual metal ions in the filtrate are separated through the complexing and are enriched in a metal ion reverse osmosis concentrated solution, produced first dialyzate and third dialyzate can be directly recycled as production water supplies, the metal ion reverse osmosis concentrated solution can be used in an acidizing decomplexing step, and therefore, the acid liquid is recycled.
Description
Technical field
The present invention relates to a kind of method for treating waste liquid is and in particular to a kind of acid leaching process refines following of the produced waste liquid of cobalt nickel
Ring processing method.Belong to metal smelting technical field.
Background technology
Acid leaching process refines the common method of valuable metal, such as, when producing cobalt nickel, directly using acid（Typically sulphur
Acid）The valuable metals such as the cobalt nickel in ore are leached by solution, but, inevitably will be with cobalt nickel association during acidleach
Magnesium, the impurity such as manganese leach in the lump, subsequent leachate is purified and removal of impurities after be settled out cobalt nickel, liquid after the heavy cobalt nickel so obtaining
In contain the impurity such as magnesium, manganese, or even also have cobalt nickel of a small amount of residual etc., simultaneously as employing a large amount of acid in acid leaching process, therefore
Substantial amounts of acid is also contained in produced waste liquid.
It should the waste liquid that said method is produced is further processed in actual production, reach resource recycling
Purpose, it is to avoid waste and the pollution to environment.
Content of the invention
The purpose of the present invention is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of acid leaching process to refine cobalt nickel and produced
The circulation process method of waste liquid.
For achieving the above object, the present invention adopts following technical proposals：
Acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel, including step：
（1）Add sodium hydroxide solution in waste liquid, adjusting pH value is 7～8, add mol ratio to be 1：1～2 ammonium carbonate and phosphorus
Sour ammonium, carries out precipitation reaction and filters, and obtains sediment and filtrate；
（2）Add Sodium Polyacrylate, the residual metallic ion in complexing filtrate in filtrate, form metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time, obtain the first ultrafiltration concentration liquid and the first dislysate, the latter is as industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 1～2, the first ultrafiltration concentration liquid is made by acidifying
In metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration, obtains the second ultrafiltration concentration liquid and the second dislysate, Sodium Polyacrylate
It is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate, obtains metal ion reverse osmosis concentrated liquid and the 3rd dislysate,
The former can be used as step after concentrating lifting acidity further（4）In strong acid liquid recycle；The latter is as industrial water reuse.
Preferably, step（1）Before middle precipitation reaction, first waste liquid is placed in mummifying pool, concentration and evaporation falls 10～20% water
Point, then carry out press filtration using plate and frame filter press, remove 20～25% moisture.
Preferably, step（1）In, the total amount of ammonium carbonate and ammonium phosphate and the mass volume ratio of waste liquid are 1.2～1.8g：
1L, the time of precipitation reaction is 1～2 hour.
Preferably, step（1）In, the mass concentration of sodium hydroxide solution is 40%.
Preferably, step（1）In, sediment is washed with deionized 2～3 times, and is dried 12 under the conditions of 40～80 DEG C
～24 hours, you can obtain the fertiliser containing magnesium as fertilizer（Including magnesium carbonate and ammonium magnesium phosphate）.
Preferably, step（2）In, the Sodium Polyacrylate addition of every liter of filtrate is 1.7～2.1g.
Preferably, step（3）In first time be concentrated by ultrafiltration use milipore filter be molecular cut off 50000 poly- inclined fluorine
Vinyl film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa.
Preferably, step（5）In second ultrafiltration concentration use milipore filter be molecular cut off 50000 poly- inclined fluorine
Vinyl film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa.
Preferably, step（6）In, the process conditions of reverse osmosis concentration are：Pressure 3MPa, feed liquid cycles of concentration is 10 times.
Beneficial effects of the present invention：
Acid leaching process refines and contains a large amount of magnesium produced by cobalt nickel in waste liquid, by the processing method of the present invention, with ammonium carbonate and
Ammonium phosphate precipitates the magnesium in waste liquid, obtains magnesium carbonate and ammonium magnesium phosphate, right and wrong fertiliser containing magnesium usually it is achieved that magnesium metal effective
Recycle.The present invention has also carried out complexing process to the filtrate of gained after precipitation magnesium, two times of ultrafiltration concentrates and a reverse osmosis
Thoroughly concentration so that in filtrate remaining metal ion Separation by Complexation from filtrate out and be enriched in metal ion counter-infiltration
In concentrate, should during produce the first dislysate and the 3rd dislysate can directly as industrial water reuse, and metal from
Sub- reverse osmosis concentrated liquid can be also used for being acidified the step of decomplexing it is achieved that recycling of acid solution.
Specific embodiment
With reference to embodiment the present invention will be further elaborated it should explanation, the description below merely to
Explain the present invention, its content is not defined.
Embodiment 1：
Acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel, including step：
（1）Waste liquid is placed in mummifying pool, concentration and evaporation falls 10% moisture, then carries out press filtration using plate and frame filter press, remove
20% moisture；It is subsequently adding sodium hydroxide solution（40w.t.%）, adjusting pH value is 7, adds mol ratio to be 1：1 ammonium carbonate and
Ammonium phosphate, carries out precipitation reaction 1 hour and filters, obtain sediment and filtrate；Wherein, the total amount of ammonium carbonate and ammonium phosphate and waste liquid
Mass volume ratio be 1.2g：1L, sediment is washed with deionized 2 times, and is dried 12 hours under the conditions of 40 DEG C, you can
To the fertiliser containing magnesium as fertilizer（Including magnesium carbonate and ammonium magnesium phosphate）；
（2）Sodium Polyacrylate is added in filtrate（The Sodium Polyacrylate addition of every liter of filtrate is 1.7g）, in complexing filtrate
Residual metallic ion, forms metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time and separate（The milipore filter using is the polyvinylidene fluoride film of molecular cut off 50000, surpasses
Filtering technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the first ultrafiltration concentration liquid and the first dislysate, Hou Zhezuo
For industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 1, made in the first ultrafiltration concentration liquid by acidifying
Metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration（The milipore filter using is the polyvinylidene fluoride of molecular cut off 50000
Alkene film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the second ultrafiltration concentration liquid and the second dislysate,
Sodium Polyacrylate is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate（Pressure 3MPa, feed liquid cycles of concentration is 10 times）, obtain metal from
Sub- reverse osmosis concentrated liquid and the 3rd dislysate, the former can be used as step after concentrating lifting acidity further（4）In strong acid liquid
Recycle；The latter is as industrial water reuse.
Embodiment 2：
Acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel, including step：
（1）Waste liquid is placed in mummifying pool, concentration and evaporation falls 20% moisture, then carries out press filtration using plate and frame filter press, remove
25% moisture；It is subsequently adding sodium hydroxide solution（40w.t.%）, adjusting pH value is 8, adds mol ratio to be 1：2 ammonium carbonate and
Ammonium phosphate, carries out precipitation reaction 2 hours and filters, obtain sediment and filtrate；Wherein, the total amount of ammonium carbonate and ammonium phosphate and waste liquid
Mass volume ratio be 1.8g：1L, sediment is washed with deionized 3 times, and is dried 24 hours under the conditions of 80 DEG C, you can
To the fertiliser containing magnesium as fertilizer（Including magnesium carbonate and ammonium magnesium phosphate）；
（2）Sodium Polyacrylate is added in filtrate（The Sodium Polyacrylate addition of every liter of filtrate is 2.1g）, in complexing filtrate
Residual metallic ion, forms metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time and separate（The milipore filter using is the polyvinylidene fluoride film of molecular cut off 50000, surpasses
Filtering technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the first ultrafiltration concentration liquid and the first dislysate, Hou Zhezuo
For industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 2, made in the first ultrafiltration concentration liquid by acidifying
Metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration（The milipore filter using is the polyvinylidene fluoride of molecular cut off 50000
Alkene film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the second ultrafiltration concentration liquid and the second dislysate,
Sodium Polyacrylate is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate（Pressure 3MPa, feed liquid cycles of concentration is 10 times）, obtain metal from
Sub- reverse osmosis concentrated liquid and the 3rd dislysate, the former can be used as step after concentrating lifting acidity further（4）In strong acid liquid
Recycle；The latter is as industrial water reuse.
Embodiment 3：
Acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel, including step：
（1）Waste liquid is placed in mummifying pool, concentration and evaporation falls 10% moisture, then carries out press filtration using plate and frame filter press, remove
25% moisture；It is subsequently adding sodium hydroxide solution（40w.t.%）, adjusting pH value is 7, adds mol ratio to be 1：2 ammonium carbonate and
Ammonium phosphate, carries out precipitation reaction 1 hour and filters, obtain sediment and filtrate；Wherein, the total amount of ammonium carbonate and ammonium phosphate and waste liquid
Mass volume ratio be 1.8g：1L, sediment is washed with deionized 2 times, and is dried 12 hours under the conditions of 80 DEG C, you can
To the fertiliser containing magnesium as fertilizer（Including magnesium carbonate and ammonium magnesium phosphate）；
（2）Sodium Polyacrylate is added in filtrate（The Sodium Polyacrylate addition of every liter of filtrate is 2.1g）, in complexing filtrate
Residual metallic ion, forms metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time and separate（The milipore filter using is the polyvinylidene fluoride film of molecular cut off 50000, surpasses
Filtering technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the first ultrafiltration concentration liquid and the first dislysate, Hou Zhezuo
For industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 1, made in the first ultrafiltration concentration liquid by acidifying
Metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration（The milipore filter using is the polyvinylidene fluoride of molecular cut off 50000
Alkene film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the second ultrafiltration concentration liquid and the second dislysate,
Sodium Polyacrylate is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate（Pressure 3MPa, feed liquid cycles of concentration is 10 times）, obtain metal from
Sub- reverse osmosis concentrated liquid and the 3rd dislysate, the former can be used as step after concentrating lifting acidity further（4）In strong acid liquid
Recycle；The latter is as industrial water reuse.
Embodiment 4：
Acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel, including step：
（1）Waste liquid is placed in mummifying pool, concentration and evaporation falls 20% moisture, then carries out press filtration using plate and frame filter press, remove
20% moisture；It is subsequently adding sodium hydroxide solution（40w.t.%）, adjusting pH value is 8, adds mol ratio to be 1：1 ammonium carbonate and
Ammonium phosphate, carries out precipitation reaction 2 hours and filters, obtain sediment and filtrate；Wherein, the total amount of ammonium carbonate and ammonium phosphate and waste liquid
Mass volume ratio be 1.2g：1L, sediment is washed with deionized 3 times, and is dried 24 hours under the conditions of 40 DEG C, you can
To the fertiliser containing magnesium as fertilizer（Including magnesium carbonate and ammonium magnesium phosphate）；
（2）Sodium Polyacrylate is added in filtrate（The Sodium Polyacrylate addition of every liter of filtrate is 1.7g）, in complexing filtrate
Residual metallic ion, forms metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time and separate（The milipore filter using is the polyvinylidene fluoride film of molecular cut off 50000, surpasses
Filtering technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the first ultrafiltration concentration liquid and the first dislysate, Hou Zhezuo
For industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 2, made in the first ultrafiltration concentration liquid by acidifying
Metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration（The milipore filter using is the polyvinylidene fluoride of molecular cut off 50000
Alkene film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the second ultrafiltration concentration liquid and the second dislysate,
Sodium Polyacrylate is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate（Pressure 3MPa, feed liquid cycles of concentration is 10 times）, obtain metal from
Sub- reverse osmosis concentrated liquid and the 3rd dislysate, the former can be used as step after concentrating lifting acidity further（4）In strong acid liquid
Recycle；The latter is as industrial water reuse.
Embodiment 5：
Acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel, including step：
（1）Waste liquid is placed in mummifying pool, concentration and evaporation falls 15% moisture, then carries out press filtration using plate and frame filter press, remove
22% moisture；It is subsequently adding sodium hydroxide solution（40w.t.%）, adjusting pH value is 7, adds mol ratio to be 1：1.5 ammonium carbonate
And ammonium phosphate, carry out precipitation reaction 1.5 hours and filter, obtain sediment and filtrate；Wherein, the total amount of ammonium carbonate and ammonium phosphate with
The mass volume ratio of waste liquid is 1.6g：1L, sediment is washed with deionized 3 times, and dry 18 hours under the conditions of 60 DEG C, that is,
The fertiliser containing magnesium as fertilizer can be obtained（Including magnesium carbonate and ammonium magnesium phosphate）；
（2）Sodium Polyacrylate is added in filtrate（The Sodium Polyacrylate addition of every liter of filtrate is 1.8g）, in complexing filtrate
Residual metallic ion, forms metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time and separate（The milipore filter using is the polyvinylidene fluoride film of molecular cut off 50000, surpasses
Filtering technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the first ultrafiltration concentration liquid and the first dislysate, Hou Zhezuo
For industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 2, made in the first ultrafiltration concentration liquid by acidifying
Metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration（The milipore filter using is the polyvinylidene fluoride of molecular cut off 50000
Alkene film, ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out to press 0.1MPa）, obtain the second ultrafiltration concentration liquid and the second dislysate,
Sodium Polyacrylate is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate（Pressure 3MPa, feed liquid cycles of concentration is 10 times）, obtain metal from
Sub- reverse osmosis concentrated liquid and the 3rd dislysate, the former can be used as step after concentrating lifting acidity further（4）In strong acid liquid
Recycle；The latter is as industrial water reuse.
Test example
Using the metal ion in waste liquid before EDTA compleximetry detection process（Including all metal ions such as magnesium, manganese）Contain
Amount, using the metal ion in waste liquid after atomic absorption spectrography (AAS) detection process（Including all metal ions such as magnesium, manganese）Content,
The results are shown in Table 1.
Table 1. metal ion content situation
As shown in Table 1, after process, waste liquid includes the first dislysate and the 3rd dislysate two parts, and metal ion content therein is equal
＜ 0.023mg/L, meets water quality standard for industries；And, compared with before processing metal ions in waste liquor content, effectively reclaim
Metal ion in waste liquid.
Although the above-mentioned specific embodiment to the present invention is described, not the limit to the scope of the present invention
System, on the basis of technical scheme, those skilled in the art do not need to pay that creative work can make is each
Plant modification or deformation still within protection scope of the present invention.
Claims (9)
1. acid leaching process refines the circulation process method of the produced waste liquid of cobalt nickel it is characterised in that including step：
（1）Add sodium hydroxide solution in waste liquid, adjusting pH value is 7～8, add mol ratio to be 1：1～2 ammonium carbonate and phosphorus
Sour ammonium, carries out precipitation reaction and filters, and obtains sediment and filtrate；
（2）Add Sodium Polyacrylate, the residual metallic ion in complexing filtrate in filtrate, form metal ion complex；
（3）Carry out being concentrated by ultrafiltration for the first time, obtain the first ultrafiltration concentration liquid and the first dislysate, the latter is as industrial water reuse；
（4）It is concentrated by ultrafiltration in liquid to first and adds strong acid liquid, adjust pH value to 1～2, the first ultrafiltration concentration liquid is made by acidifying
In metal ion complex carry out decomplexing；
（5）The solution of decomplexing is carried out second ultrafiltration concentration, obtains the second ultrafiltration concentration liquid and the second dislysate, Sodium Polyacrylate
It is enriched in the second ultrafiltration concentration liquid, and return to step（3）Recycle；
（6）Second dislysate is carried out reverse osmosis concentration separate, obtains metal ion reverse osmosis concentrated liquid and the 3rd dislysate,
The former can be used as step after concentrating lifting acidity further（4）In strong acid liquid recycle；The latter is as industrial water reuse.
2. processing method according to claim 1 is it is characterised in that step（1）Before middle precipitation reaction, first waste liquid is placed in
In mummifying pool, concentration and evaporation falls 10～20% moisture, then carries out press filtration using plate and frame filter press, removes 20～25% water
Point.
3. processing method according to claim 1 is it is characterised in that step（1）In, the total amount of ammonium carbonate and ammonium phosphate with
The mass volume ratio of waste liquid is 1.2～1.8g：1L, the time of precipitation reaction is 1～2 hour.
4. processing method according to claim 1 is it is characterised in that step（1）In, the mass concentration of sodium hydroxide solution
For 40%.
5. processing method according to claim 1 is it is characterised in that step（1）In, sediment is washed with deionized 2
～3 times, and be dried 12～24 hours under the conditions of 40～80 DEG C, you can obtain the fertiliser containing magnesium as fertilizer（Including magnesium carbonate and phosphorus
Sour ammonium magnesium）.
6. processing method according to claim 1 is it is characterised in that step（2）In, the Sodium Polyacrylate of every liter of filtrate adds
Entering amount is 1.7～2.1g.
7. processing method according to claim 1 is it is characterised in that step（3）In first time be concentrated by ultrafiltration use
Milipore filter is the polyvinylidene fluoride film of molecular cut off 50000, and ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out pressure
0.1MPa.
8. processing method according to claim 1 is it is characterised in that step（5）In second ultrafiltration concentration use
Milipore filter is the polyvinylidene fluoride film of molecular cut off 50000, and ultrafiltration technology condition is：Room temperature, enters to press 0.3MPa, goes out pressure
0.1MPa.
9. processing method according to claim 1 is it is characterised in that step（6）In, the process conditions of reverse osmosis concentration
For：Pressure 3MPa, feed liquid cycles of concentration is 10 times.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607863A (en) * | 2018-12-26 | 2019-04-12 | 杭州富阳鼎创科技有限公司 | A kind of technique for treating industrial wastewater |
| CN111451004A (en) * | 2020-04-20 | 2020-07-28 | 武汉工程大学 | Method for producing phosphate concentrate and byproducts α -hemihydrate gypsum and magnesium carbonate from calcium collophanite |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005305343A (en) * | 2004-04-22 | 2005-11-04 | Tomita Pharmaceutical Co Ltd | Phosphorus recovery method |
| CN1899985A (en) * | 2006-07-10 | 2007-01-24 | 三达膜科技（厦门）有限公司 | Treating, recovering and reutilizing method for electroplating waste liquid containing heavy metals |
| CN101734815A (en) * | 2009-12-23 | 2010-06-16 | 苏州市环境工程有限责任公司 | Electronic electroplating wastewater recycling advanced treatment technology |
| CN101870461A (en) * | 2010-03-22 | 2010-10-27 | 中国恩菲工程技术有限公司 | Method for treating waste liquid containing magnesium |
| US20120168378A1 (en) * | 2009-09-08 | 2012-07-05 | Toray Industries, Inc | Method for producing pure water and pure water production apparatus |
-
2016
- 2016-11-29 CN CN201611067578.4A patent/CN106396195A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005305343A (en) * | 2004-04-22 | 2005-11-04 | Tomita Pharmaceutical Co Ltd | Phosphorus recovery method |
| CN1899985A (en) * | 2006-07-10 | 2007-01-24 | 三达膜科技（厦门）有限公司 | Treating, recovering and reutilizing method for electroplating waste liquid containing heavy metals |
| US20120168378A1 (en) * | 2009-09-08 | 2012-07-05 | Toray Industries, Inc | Method for producing pure water and pure water production apparatus |
| CN101734815A (en) * | 2009-12-23 | 2010-06-16 | 苏州市环境工程有限责任公司 | Electronic electroplating wastewater recycling advanced treatment technology |
| CN101870461A (en) * | 2010-03-22 | 2010-10-27 | 中国恩菲工程技术有限公司 | Method for treating waste liquid containing magnesium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607863A (en) * | 2018-12-26 | 2019-04-12 | 杭州富阳鼎创科技有限公司 | A kind of technique for treating industrial wastewater |
| CN111451004A (en) * | 2020-04-20 | 2020-07-28 | 武汉工程大学 | Method for producing phosphate concentrate and byproducts α -hemihydrate gypsum and magnesium carbonate from calcium collophanite |
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