CN105858748A - Wastewater treating agent special for waste lithium battery electrolyte and preparation method of wastewater treating agent - Google Patents
Wastewater treating agent special for waste lithium battery electrolyte and preparation method of wastewater treating agent Download PDFInfo
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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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
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- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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Abstract
The invention discloses a wastewater treating agent special for a waste lithium battery electrolyte and a preparation method of the wastewater treating agent. The wastewater treating agent special for the waste lithium battery electrolyte is prepared from, by weight, 50-80 parts of modified kieselguhr, 1-2 parts of sodium alginate, 17-19 parts of organic silicon resin, 5-8 parts of chitosan and 1-2 parts of lauryl sodium sulfate. Physical and chemical indexes of the wastewater treating agent special for the waste lithium battery electrolyte can reach GB18918-2002 standards, and the content of COD, BOD, SS and metal ions is effectively reduced. The treatment process is simple, the agent dosage is small, the treatment effect is good, performance is stable, the quality of effluent is good, the water treatment cost can be effectively reduced, and good economic benefits and wide social benefits are achieved.
Description
Technical field
The present invention relates to a kind of waste water treating agent technical field, waste water treating agent that a kind of waste lithium cell electrolyte is special and preparation method thereof.
Background technology
Lithium battery is since realizing commercialization around nineteen ninety, owing to volume is little, lightweight, charging rate is fast, use temperature range wide and the advantage such as service life cycle length, thus be widely used in video camera, mobile phone, notebook computer, carry measuring instrument etc., it is also the high capacity power source that following electric automobile is first-selected.The positive electrode of lithium battery is formed by as the pure aluminum foil of collector and the positive active material coating of black at present.Black coating about contains positive pole material of lithium cobalt acid or modified cobalt acid lithium (with lithium nickelate or LiMn2O4 substituting cobalt acid lithium) or the single cobalt of ternary system, nickel, LiMn2O4, the acetylene black conductor of about 8% and the PVD binding agent of 4% of 88%.Waste lithium cell is reclaimed, is possible not only to eliminate the harmful substance pollution to environment, and cobalt and the nickel of useful resource, particularly resource scarcity can be made full use of, thus economic benefit is the most notable with social benefit.
At present, processing the special waste water treating agent pollution problem of waste lithium cell electrolyte has various methods such as physics, chemistry, biology, but to there is treatment effect the best more for physical method, handling rate instability problem；Biological method processing cost is too high, is not suitable for promoting the use of；More employing chemical methodes process waste water, but existing waste water treating agent, and there is secondary pollution problem in its agent formulations, also can have a certain impact environment.
Summary of the invention
It is an object of the invention to provide special waste water treating agent of a kind of waste lithium cell electrolyte and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
The waste water treating agent that a kind of waste lithium cell electrolyte is special, according to the component of weight portion being: modification infusorial earth 50-80 part, sodium alginate 1-2 part, organic siliconresin 17-19 part, chitosan 5-8 part, sodium lauryl sulphate 1-2 part, the preparation method of described modification infusorial earth is:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 30-60min, pulverize after kiln discharge
Become 40-60 mesh kieselguhr fine powder；
(2) the kieselguhr fine powder taking step (1) gained carries out vacuum drying treatment 12h, is subsequently placed in gluconic acid and sodium bicarbonate immersion 67-69min so that kieselguhr fine powder is fully soaked, and carries out oven drying at low temperature after filtration；
(3) take the kieselguhr fine powder after step (2) gained oven drying at low temperature and join in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 89-92 DEG C, response time is 47-52min, obtains modification infusorial earth.
As the further scheme of the present invention: in the preparation method step (1) of described modification infusorial earth, fire 45min under the conditions of 642 DEG C, after kiln discharge, it is ground into 50 mesh kieselguhr fine powders.
As the further scheme of the present invention: in the preparation method step (2) of described modification infusorial earth, it is subsequently placed in gluconic acid and sodium bicarbonate immersion 68min.
As the further scheme of the present invention: in the preparation method step (3) of described modification infusorial earth, reaction temperature is 91 DEG C, and the response time is 50min.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
(1) first, adding water and obtain mixture slurry in modification infusorial earth, carry out ultrasonic Treatment subsequently, the temperature of ultrasonic Treatment is 120-125 DEG C, and the time is 30-40min, obtains mixture；
(2) then, mixture and sodium alginate, organic siliconresin, chitosan, sodium lauryl sulphate are carried out mixing stirring under room temperature, speed of agitator is 300-600r/min, carry out oven drying at low temperature at a temperature of micro encapsulation process is placed in 2 DEG C-6 DEG C subsequently, obtain the waste water treating agent that waste lithium cell electrolyte is special.
As the further scheme of the present invention: in step (1), the temperature of ultrasonic Treatment is 123 DEG C, the time is 35min.
As the further scheme of the present invention: in step (2), speed of agitator is 450r/min.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention enables to the physical and chemical index of the special waste water treating agent of waste lithium cell electrolyte and reaches GB18918-2002 standard, and effectively reduces COD, BOD, SS and metal ion content；Process technique is simple, and dosage is few, and treatment effect is good, stable performance, and effluent quality is good, can significantly reduce the cost that water processes, and has good economic benefit and social benefit widely.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
The waste water treating agent that a kind of waste lithium cell electrolyte is special, is: modification infusorial earth 50 parts, sodium alginate 1 part, organic siliconresin 17 parts, chitosan 5 parts, sodium lauryl sulphate 1 part that the preparation method of described modification infusorial earth is according to the component of weight portion:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 30min, after kiln discharge, be ground into 40 mesh kieselguhr fine powders；
(2) the kieselguhr fine powder taking step (1) gained carries out vacuum drying treatment 12h, is subsequently placed in gluconic acid and sodium bicarbonate immersion 67min so that kieselguhr fine powder is fully soaked, and carries out oven drying at low temperature after filtration；
(3) take the kieselguhr fine powder after step (2) gained oven drying at low temperature and join in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 89 DEG C, response time is 47min, obtains modification infusorial earth.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
(1) first, adding water and obtain mixture slurry in modification infusorial earth, carry out ultrasonic Treatment subsequently, the temperature of ultrasonic Treatment is 120 DEG C, and the time is 30min, obtains mixture；
(2) then, mixture and sodium alginate, organic siliconresin, chitosan, sodium lauryl sulphate are carried out mixing stirring under room temperature, speed of agitator is 300r/min, carry out oven drying at low temperature at a temperature of micro encapsulation process is placed in 2 DEG C subsequently, obtain the waste water treating agent that waste lithium cell electrolyte is special.
Embodiment 2
The waste water treating agent that a kind of waste lithium cell electrolyte is special, according to the component of weight portion being: modification infusorial earth 65 parts, sodium alginate 2 parts, organic siliconresin 18 parts, chitosan 8 parts, sodium lauryl sulphate 2 parts, the preparation method of described modification infusorial earth is:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 45min, after kiln discharge, be ground into 50 mesh kieselguhr fine powders；
(2) the kieselguhr fine powder taking step (1) gained carries out vacuum drying treatment 12h, is subsequently placed in gluconic acid and sodium bicarbonate immersion 68min so that kieselguhr fine powder is fully soaked, and carries out oven drying at low temperature after filtration；
(3) take the kieselguhr fine powder after step (2) gained oven drying at low temperature and join in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 91 DEG C, response time is 50min, obtains modification infusorial earth.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
(1) first, adding water and obtain mixture slurry in modification infusorial earth, carry out ultrasonic Treatment subsequently, the temperature of ultrasonic Treatment is 123 DEG C, and the time is 35min, obtains mixture；
(2) then, mixture and sodium alginate, organic siliconresin, chitosan, sodium lauryl sulphate are carried out mixing stirring under room temperature, speed of agitator is 450min, carry out oven drying at low temperature at a temperature of micro encapsulation process is placed in 4 DEG C subsequently, obtain the waste water treating agent that waste lithium cell electrolyte is special.
Embodiment 3
The waste water treating agent that a kind of waste lithium cell electrolyte is special, is: modification infusorial earth 80 parts, sodium alginate 2 parts, organic siliconresin 19 parts, chitosan 8 parts, sodium lauryl sulphate 2 parts that the preparation method of described modification infusorial earth is according to the component of weight portion:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 60min, after kiln discharge, be ground into 40-60 mesh kieselguhr fine powder；
(2) the kieselguhr fine powder taking step (1) gained carries out vacuum drying treatment 12h, is subsequently placed in gluconic acid and sodium bicarbonate immersion 69min so that kieselguhr fine powder is fully soaked, and carries out oven drying at low temperature after filtration；
(3) take the kieselguhr fine powder after step (2) gained oven drying at low temperature and join in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 92 DEG C, response time is 52min, obtains modification infusorial earth.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
(1) first, adding water and obtain mixture slurry in modification infusorial earth, carry out ultrasonic Treatment subsequently, the temperature of ultrasonic Treatment is 125 DEG C, and the time is 40min, obtains mixture；
(2) then, mixture and sodium alginate, organic siliconresin, chitosan, sodium lauryl sulphate are carried out mixing stirring under room temperature, speed of agitator is 600r/min, carry out oven drying at low temperature at a temperature of micro encapsulation process is placed in 6 DEG C subsequently, obtain the waste water treating agent that waste lithium cell electrolyte is special.
Comparative example 1
The waste water treating agent that a kind of waste lithium cell electrolyte is special, according to the component of weight portion be: 65 parts of kieselguhr, sodium alginate 2 parts.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
(1) first, adding water and obtain mixture slurry in kieselguhr, carry out ultrasonic Treatment subsequently, the temperature of ultrasonic Treatment is 123 DEG C, and the time is 35min, obtains mixture；
(2) then, mixture and sodium alginate carrying out mixing stirring under room temperature, speed of agitator is 450min, carries out oven drying at low temperature at a temperature of micro encapsulation process is placed in 4 DEG C subsequently, obtains the waste water treating agent that waste lithium cell electrolyte is special.
Comparative example 2
The waste water treating agent that a kind of waste lithium cell electrolyte is special, is: modification infusorial earth 65 parts, sodium alginate 2 parts that the preparation method of described modification infusorial earth is according to the component of weight portion:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 45min, after kiln discharge, be ground into 50 mesh kieselguhr fine powders；
(2) the kieselguhr fine powder taking step (1) gained carries out vacuum drying treatment 12h, is subsequently placed in gluconic acid and sodium bicarbonate immersion 68min so that kieselguhr fine powder is fully soaked, and carries out oven drying at low temperature after filtration；
(3) take the kieselguhr fine powder after step (2) gained oven drying at low temperature and join in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 91 DEG C, response time is 50min, obtains modification infusorial earth.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
Add water in modification infusorial earth and sodium alginate and obtain mixture slurry, oven drying at low temperature at a temperature of being subsequently placed at 4 DEG C, obtain the waste water treating agent that waste lithium cell electrolyte is special.
Comparative example 3
The waste water treating agent that a kind of waste lithium cell electrolyte is special, is: modification infusorial earth 65 parts, sodium alginate 2 parts, organic siliconresin 18 parts, chitosan 8 parts, sodium lauryl sulphate 2 parts that the preparation method of described modification infusorial earth is according to the component of weight portion:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 45min, after kiln discharge, be ground into 50 mesh kieselguhr fine powders；
(2) the kieselguhr fine powder taking step (1) gained joins in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 91 DEG C, response time is 50min, obtains modification infusorial earth.
The preparation method of the waste water treating agent that a kind of waste lithium cell electrolyte is special, concretely comprises the following steps:
Add water in modification infusorial earth and obtain mixture slurry, then mixture and sodium alginate, organic siliconresin, chitosan, sodium lauryl sulphate are carried out mixing stirring under room temperature, speed of agitator is 600r/min, carry out oven drying at low temperature at a temperature of micro encapsulation process is placed in 4 DEG C subsequently, obtain the waste water treating agent that waste lithium cell electrolyte is special.
Test experience
Weigh embodiment 1, embodiment 2, embodiment 3 and comparative sample 1 respectively, comparative sample 2, each 1kg of comparative sample 3 join in the waste water treating agent that the waste lithium cell electrolyte of 20kg is special, temperature control is at 25 DEG C, it is stirred continuously 1h, test the effect of the special waste water treating agent of the waste lithium cell electrolyte of the present invention respectively using COD, BOD, SS, metal ion content as evaluation criterion, test result is shown in Table 1.
Table 1
As can be seen here, the waste water treating agent that the waste lithium cell electrolyte of the present invention is special, the most notable treatment effect is had with matched group contrast, the present invention enables to the physical and chemical index of the special waste water treating agent of waste lithium cell electrolyte and reaches GB18918-2002 standard (can reach more than one-level B standard), and effectively reduces COD, BOD, SS and metal ion content；Process technique is simple, and dosage is few, and treatment effect is good, stable performance, and effluent quality is good, can significantly reduce the cost that water processes, and has good economic benefit and social benefit widely.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (7)
1. the waste water treating agent that a waste lithium cell electrolyte is special, according to the component of weight portion it is: modification infusorial earth 50-80 part, sodium alginate 1-2 part, organic siliconresin 17-19 part, chitosan 5-8 part, sodium lauryl sulphate 1-2 part, it is characterized in that, the preparation method of described modification infusorial earth is:
(1) diatomite original soil is added in rotary kiln, under 642 DEG C of temperature conditionss, fire 30-60min, after kiln discharge, be ground into 40-60 mesh kieselguhr fine powder；
(2) the kieselguhr fine powder taking step (1) gained carries out vacuum drying treatment 12h, is subsequently placed in gluconic acid and sodium bicarbonate immersion 67-69min so that kieselguhr fine powder is fully soaked, and carries out oven drying at low temperature after filtration；
(3) take the kieselguhr fine powder after step (2) gained oven drying at low temperature and join in polymeric kettle, add polyvinyl alcohol, azodiisobutyronitrile, ether, methanol, ethyl oxalate and N the most successively, N-methylene-bisacrylamide, reaction temperature is 89-92 DEG C, response time is 47-52min, obtains modification infusorial earth.
The waste water treating agent that waste lithium cell electrolyte the most according to claim 1 is special, it is characterised in that in the preparation method step (1) of described modification infusorial earth, fire 45min under the conditions of 642 DEG C, is ground into 50 mesh kieselguhr fine powders after kiln discharge.
The waste water treating agent that waste lithium cell electrolyte the most according to claim 1 is special, it is characterised in that in the preparation method step (2) of described modification infusorial earth, is subsequently placed in gluconic acid and sodium bicarbonate immersion 68min.
The waste water treating agent that waste lithium cell electrolyte the most according to claim 1 is special, it is characterised in that in the preparation method step (3) of described modification infusorial earth, reaction temperature is 91 DEG C, and the response time is 50min.
5. the preparation method of the waste water treating agent that the waste lithium cell electrolyte as described in claim 1-4 is arbitrary is special, it is characterised in that concretely comprise the following steps:
(1) first, adding water and obtain mixture slurry in modification infusorial earth, carry out ultrasonic Treatment subsequently, the temperature of ultrasonic Treatment is 120-125 DEG C, and the time is 30-40min, obtains mixture；
(2) then, mixture and sodium alginate, organic siliconresin, chitosan, sodium lauryl sulphate are carried out mixing stirring under room temperature, speed of agitator is 300-600r/min, carry out oven drying at low temperature at a temperature of micro encapsulation process is placed in 2 DEG C-6 DEG C subsequently, obtain the waste water treating agent that waste lithium cell electrolyte is special.
The preparation method of the waste water treating agent that waste lithium cell electrolyte the most according to claim 5 is special, it is characterised in that in step (1), the temperature of ultrasonic Treatment is 123 DEG C, the time is 35min.
The preparation method of the waste water treating agent that waste lithium cell electrolyte the most according to claim 5 is special, it is characterised in that in step (2), speed of agitator is 450r/min.
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| CN106430624A (en) * | 2016-10-20 | 2017-02-22 | 郑州丽福爱生物技术有限公司 | Special sewage treatment agent for industry |
| CN108101260A (en) * | 2017-12-21 | 2018-06-01 | 山东省环保产业股份有限公司 | A kind of processing method of cobalt acid lithium production waste water |
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