The results showed that the azo dyeing removal rate by direct aerobic treatment was only about 5%,while the average degradation rate of the dyeing by direct anaerobic hydrolysis reached to 60%.

• 研究结果表明,偶氮染料废水直接好氧处理,去除率只有5%25左右,直接厌氧水解处理,染料平均降解率60%25。