Wastewater treating device and method for developing manufacture process

Abstract

The invention relates to a developing process wastewater treatment device and a wastewater treatment method thereof. The developing process wastewater treatment device comprises a developing process wastewater storage device, an acid liquor storage unit, an acidification mixing unit, a first solid-liquid separation device, an acid-base neutralization adjustment device, a biological treatment device and a second solid-liquid separation device, wherein wastewater in the developing process wastewater storage device and an acid liquor in the acid liquor storage unit enter the acidification mixing unit to convert soluble compositions in the developing process wastewater into insoluble substances; and the insoluble substances and pollutants in the developing process wastewater are removed through the first solid-liquid separation device, the acid-base neutralization adjustment device, the biological treatment device and the second solid-liquid separation device. The device and the method have the advantages that after the original soluble compositions of the waste photoresistive solution with different degrees in the developing process wastewater are converted into the insoluble substances by combining with an acid-base adjustment process, and the insoluble substances in the wastewater can be removed by the solid-liquid separation device, can effectively carry out treatment, and achieve the function of pure simplification.

Description

technical field [0001] The present invention relates to a waste water treatment device and a waste water treatment method thereof, in particular to a developing process waste water treatment that can provide the function of treating waste water in the developing process and can separate and remove insoluble substances in the waste water of the developing process Device and wastewater treatment method thereof. Background technique [0002] see figure 1 As shown, it is a schematic diagram of a conventional device for treating wastewater in the developing process. The conventionally known treatment device for wastewater from developing process (process is the manufacturing procedure, referred to as process herein) includes a wastewater storage device 111 for developing process, a biological treatment device 130 and a solid-liquid separation device 140. The developing process The development process wastewater 110 stored in the development process wastewater storage device 111...

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Problems solved by technology

However, since the developing process wastewater 110 contains various degrees of waste photoresist, it is not easy to decompose and remove it by general biological treatment, and because the waste photoresist is a component with high viscosity, it is very easy to reduce The operation efficiency of the solid-liquid separation device, such as the clogging of the membrane, greatly affects the overall wastewater treatment effect

[0003] It can be seen that the above-mentioned existing developing process wastewater treatment device and its wastewater treatment method obviously still have inconvenience and defects in product structure, treatment method and use, and need to be further improved urgently.

In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and there is no suitable structure and method for general products and methods to solve the above-mentioned problems. This is obviously a problem that relevant industry players are eager to solve

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