Sludge post-position of bio-treatment was sludge digestion that could be used by thermophilic-mesophilic co-phased anaerobic digestion and egg-shaped digester.

• 污泥后置生物处理是指污泥消化,可以使用高温-中温共相厌氧消化和蛋形污泥消化器对污泥进行减量;