According to the nature of copper alloy base polishing wastewater from Shenyang Mint and through the comparison of comprehensive analysis of treatment method for the similar wastewater, a technological process with neutralized method for treating acidic washing water and rinsing water was put forward; the wastewater after treating reached the standard of the national discharge.

The treatment process of "two stage coagulation+ filter" to treat small drainage leather finishing wastewater was proposed and a preliminary design for the treatment system was introduced.

Study on jewelry machining wastewater treatment process

The study of this paper aims to looking for a utility synthetically treatment technology to purify photographic wastewater economically, thereby settling the increasingly serious problem of water source pollution.