From the investigations, lack of nitrogen and phosphorus, oxygen deficiency in aeration basin of SBR, high concentration of sulfide in the wastewater is found.
调查分析得知该厂印染废水存在氮、磷缺乏现象，SBR曝气池存在缺氧现象，废水中硫化物含量较高。
Air stripping had been studied to remove the high concentration of ammonia-nitrogen (NH3-N) from vanadium sesquioxide (V2O3) wastewater in this project.
本课题研究了吹脱法净化三氧化二钒（V_2O_3）生产过程中产生的高浓度氨氮废水。
The biomass gasification wastewater is a new type of organic wastewater with high concentration ammonia-nitrogen.
生物质煤气废水是一种新出现的高浓度氨氮有机废水。
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