Neimenggu Wuhai Yadong Fine Chemical Co., Ltd., a subsidiaryof Tianjin Yadong group, is the world’s production base of naphthalene-based products. Qecote provides a systematic solution to the problem of para-ester and H-acid wastewater, the water after treatment meets the requirements of process water, can be recycled. The recycled salts (Na2SO4) meet the industrial product standards and can be reused or sold. The zero-discharge wastewater treatment system promoted the implementation of the naphthalene-based wastewater discharge standards and also consolidated Wuhai Yadong’s leading position in the industry.
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