Abstract
With the increase in the use of electronic products, the consumption of circuit boards also increased sharply, the amount of waste liquid discharged in the process of producing circuit boards will follow the increase, and these waste liquids, if discharged directly, not only cause a great waste of resources, but also cause serious water pollution, soil pollution, and thus with the food chain into the body of people and animals, seriously endangering human health, so we need to Therefore, we need to recycle and utilize this resource. In this paper, we adopt the recycling treatment system to transport the waste solution from the production line to the electrolyzer, and the overflow tank stores the electrolyte discharged from the production line. We adopt the waste electrolyte after treating the micro-etching waste solution for waste solution recycling treatment, and electrolyze the micro-etching waste solution again after treatment, and use it repeatedly to improve the utilization rate of electrolyte.
Highlights
PCB in the electronic information industry chain plays a vital role in the top and bottom, that is, integrated circuits can not be separated from the printed circuit board, military and civilian, high-tech electronic products can not do without the printed circuit board [1], in the few years, in the automotive, smart grid, medical equipment, aerospace and military and other applications to increase the circuit board
The laminate industry is an industry with a large capital requirement and relatively high concentration.In 2015, the global total output value of rigid copper laminates was $9,299 million, and the total output value in Asia was $8,699 million, including $6,043 million in mainland China, $509 million in Japan, and $2,217 million in other Asian countries
Similar to the PCB industry, the production of copper laminates is mainly concentrated in the Asian region, the global rigid copper laminates in 2015 by production statistics of 517.5 million square meters, Asia 502 million square meters, accounting for 97.00% of the world, including 361.9 million square meters in mainland China, China Taiwan 56.2 million square meters, South Korea 32.3 million square meters, Japan 0.192 million square meters
Summary
PCB (printed circuit board) in the electronic information industry chain plays a vital role in the top and bottom, that is, integrated circuits can not be separated from the printed circuit board, military and civilian, high-tech electronic products can not do without the printed circuit board [1], in the few years, in the automotive, smart grid, medical equipment, aerospace and military and other applications to increase the circuit board. Similar to the PCB industry, the production of copper laminates is mainly concentrated in the Asian region, the global rigid copper laminates in 2015 by production statistics of 517.5 million square meters, Asia 502 million square meters, accounting for 97.00% of the world, including 361.9 million square meters in mainland China, China Taiwan 56.2 million square meters, South Korea 32.3 million square meters, Japan 0.192 million square meters. For PCB inner and outer layers and before solder-proofing For PTH and pregraphics
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