Tianjin Yadong Chemical Co., Ltd., a subsidiary of Tianjin Yadong group, is the world’s largest manufacturer of direct dyes, the annual output of direct dyes is 20,000 tons and its annual output value is more than 3 billion yuan. Qecote provides a systematic solution to the problem of direct dyes wastewater (acidic, alkaline, neutral mixed wastewater) for the client within 6 months, daily processing capacity is up to 400 tons, COD in water after treatment below 30 mg/L, ammonia value below 1 mg/L. The project has 3 advantages: low cost, zero discharge and reutilization of recycled salts. The Leaders from the Ministry of Tianjin Environmental Protection have visited the case site and gave high praise that Qecote has solved a world-class problem.
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