Deep dewatering method for municipal sludge

• Main Authors: ZHANG LULU, CAI CAIYUAN, HU SHUYIN, LIU HENGFU, LUO JIAWEN, YANG FENGXIA, SHI MINGYAN, PENG YIZHAO
• Format: Patent
• Language: English
• Published: 02.12.2015
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention relates to a deep dewatering method for municipal sludge. The method comprises the following steps that firstly, the municipal sludge is taken, 10 g of powdered sulfur and 10 g of iron pyrite are added in each liter of the municipal sludge in volume, and the mixture is put in a water b...