Industrial wastewater purification system for lithium battery
A technology for industrial wastewater and purification systems, applied in multi-stage water treatment, water/sewage treatment, chemical instruments and methods, etc., can solve problems such as increasing costs, achieve the effects of preventing pollution, reducing procedures, and strong impact load resistance
Inactive Publication Date: 2018-10-19
苏州爱源环境工程技术服务有限公司
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The disadvantage of this treatment is that although this kind of wastewater is mainly pH pollution, it also contains certain inorganic or organic pollutants, which is easy to cause pollution if it is not treated, and the system needs to be adjus
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[0035] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.
[0036] Such as figure 1 As shown, a lithium battery industrial wastewater purification system includes an acid-base neutralization unit, a coagulation flocculation sedimentation unit, a facultative membrane biological reaction unit, and a lithium battery production wastewater storage tank 1, an alkaline wastewater storage tank 2, an acidic wastewater storage tank Tank 3, domestic wastewater storage tank 4.
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The invention relates to an industrial wastewater purification system for a lithium battery. The system comprises an acid-base neutralization unit, a coagulation, flocculation and precipitation unit,a facultative membrane bioreaction unit, a lithium battery production wastewater storage tank, an alkaline wastewater storage tank, an acid wastewater storage tank and a domestic wastewater storage tank. According to the system, a mode of combining the acid-base neutralization unit, the coagulation, flocculation and precipitation unit and the facultative membrane bioreaction unit is adopted, so that the biodegradability of lithium battery wastewater is improved, and a process is simple and the cost is reduced; in addition, treatment of three kinds of wastewater produced by a lithium battery production enterprise is organically combined, so that the three kinds of wastewater can be treated at the same time, the process is simplified, repeated input of equipment and medicaments is reduced and the running cost is reduced; moreover, the acid-base neutralization unit in the system is only used for simple neutralization without any additional medicaments, then acid-base conditioning is performed on the lithium battery production wastewater by use of the remaining acid-base property of the neutralized wastewater and an acid-base conditioner is appropriately added, so that input of the equipment and the medicaments is reduced, and production procedures are also reduced.
Description
technical field [0001] The invention relates to the field of waste water treatment, in particular to a purification system for lithium battery industrial waste water. Background technique [0002] Lithium batteries are more and more widely used in daily life. As a relatively clean energy source, it has become an important product for the battery industry to develop. At present, there are three main types of wastewater generated by lithium battery production plants. The first category is wastewater containing acid and alkali generated during the regeneration of anion and cation resins, and the pollutants are mainly pH; the second category is wastewater generated from lithium battery production, turnover tanks, pipeline cleaning, etc., and this type of wastewater contains N - Methylpyrrolidone (NMP), polyvinylidene fluoride (PVDF), carbon powder and other refractory organic substances, as well as inorganic substances such as lithium iron phosphate, the wastewater discharge i...
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Login to view more IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/5236C02F1/56C02F1/66C02F3/30C02F2301/08
Inventor 郭强胜纪新运
Owner 苏州爱源环境工程技术服务有限公司
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