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English to Chinese translations [PRO] Science - Chemistry; Chem Sci/Eng / industrial research
English term or phrase:biological de-NOx method
Although various methods such as ion exchanged method, technology of using membrane, biological de-NOx method have been introduced as end-of-pipe (EOF) technology, the effective technology to reduce nitrogen ion in wastewater is not employed at the plating process until now because of the technical limit, economical efficiency, space limit of equipments from the poor business scale.