文献类型：专利

英文题名：Recycling wastewater from gas tower section of oil shale dry distillation system comprises de-dusting dry distillation wastewater at water outlet at bottom of gas tower, de-oiling de-dusted circulating water, and returning to gas tower

作者：LI Z;WANG H;XIE J;YANG Q;LV W;XU X;WANG J;SHEN Q

机构：[1]UNIV EAST CHINA SCI&TECHNOLOGY

申请号：CN102092867-A

申请日：2010-12-08

公开日：2011-06-15

语种：英文

收录：DERWENT

摘要：NOVELTY - Recycling wastewater from gas tower section of oil shale dry distillation system comprises de-dusting dry distillation wastewater at the water outlet at the bottom of the gas tower, in order to remove oil sludge; de-oiling the de-dusted circulating water; and returning the obtained de-oiled circulating water to the gas tower, recycling the circulating water as washing water and cooling water. USE - Method for recycling wastewater from gas tower section of oil shale dry distillation system. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for device for recycling wastewater from gas tower section of oil shale dry distillation system, comprising a gas tower de-duster (3) and a gas tower deoiler (4). DESCRIPTION OF DRAWING(S) - The drawing is a schematic diagram illustrating the device for recycling wastewater from gas tower section of oil shale dry distillation system (Drawing includes non-English language text). Gas tower de-duster (3) Gas tower deoiler (4)