Zero-discharge recycling treatment process for wastewater and waste liquid on surface chemical treatment process line
A technology of surface chemical treatment and treatment process, which is applied in the field of waste water and waste liquid recycling treatment process, can solve the problems of inability to achieve zero discharge, supporting use, and classification treatment of waste water and waste liquid, etc., and achieve the effect of reducing emissions
Active Publication Date: 2020-08-14
昆山水立净环保节能科技有限公司
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Problems solved by technology
This treatment process cannot achieve zero discharge or needs to be used in conjunction with other equipment that requires water reuse in the production site. In addition, it cannot realize real-time online classification and treatment of waste water and liquid waste containing different pollutants.
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[0055] In order to be able to understand the technical means of the present invention more clearly and implement it according to the contents of the description, the specific implementation of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.
[0056] The present invention introduces in detail a treatment process for zero-discharge recycling of waste water and waste liquid on the surface chemical treatment process line. The treatment process includes the following steps:
[0057] S1, the waste water produced by the acid washing tank located downstream of the process is treated by the acid-base wastewater zero discharge treatment device, and then enters the acid wash tank located upstream of the process for reuse; the said upstream of the process The wastewater generated in the same ac...
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The invention discloses an online wastewater recycling zero-emission treatment process for various water systems of a surface chemical equipment line. The process mainly comprises an acid-base wastewater zero-discharge treatment process, a heavy metal wastewater zero-discharge treatment process, a regenerated liquid treatment process and a high-concentration wastewater zero-discharge treatment process. The process is based on the types and contents of harmful substances in waste water and waste liquid generated in each process stage. The process comprises the following steps: treating waste water and waste liquid generated in each stage of a manufacturing process by adopting different treatment processes, treating acidic or alkaline waste water and waste liquid in the manufacturing processby utilizing an acid-base waste water zero-discharge treatment process to realize online recycling of the acidic or alkaline waste water and waste liquid, and treating by utilizing a high-concentration waste water zero-discharge treatment process to realize zero emission; the heavy metal wastewater zero-discharge treatment process is used for treating wastewater and waste liquid containing heavymetal components to realize on-line recycling of the wastewater and the waste liquid, and the discharge amount of the wastewater and the waste liquid is greatly reduced after the wastewater and the waste liquid are treated by the regenerated liquid treatment process.
Description
technical field [0001] The invention relates to a recycling treatment process for waste water and waste liquid, in particular to a zero-discharge recycling treatment process for waste water and waste liquid on a surface chemical treatment process line, and belongs to the technical field of on-line recycling treatment process for industrial waste water. Background technique [0002] The surface chemical treatment process line includes a treatment tank for processing the process steps and a water washing tank for cleaning the processed parts. The above-mentioned treatment tanks generally contain various treatment liquids for surface chemical treatment of the parts , each step of the treatment tank can be one or multiple independently; the main function of the above-mentioned water washing tank is to clean the treatment liquid on the surface of the workpiece after being treated by the treatment tank through the water discharge of the water washing device installed in it, and aft...
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IPC IPC(8): C02F9/04C02F9/10C23G1/36C02F103/16
CPCC02F9/00C23G1/36C02F2103/16C02F1/001C02F1/40C02F1/444C02F1/42C02F1/283C02F1/048
Inventor 林衍良
Owner 昆山水立净环保节能科技有限公司
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