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。
2
Aerated biological fluid technology (ABFT) composed of fixed microorganism and JADS aeration system was adopted to treat high ammonia and high sulfidewastewater.