千亿国际

Project background: 

specializing in production and sales of photomask and related services

Wastewater difficulties: 

high ammonia nitrogen 1000MG/L, strong oxidation of wastewater

Project location: 

Shanghai

Project outcome: 

high ammonia nitrogen wastewater effluent ammonia nitrogen below 1MG/L, full-film treatment, zero emission Italian evaporation equipment, trusteeship operation