The production of volatile fatty acid, the change of element N and the strains of facultative aerobes have been examined during the treatment of organic sludge by facultative technology.

• 某印染厂废水处理系统拟使用厌氧酸化+兼氧+好氧工艺对其生化处理部分进行改造,为减少改造风险进行小试研究。