▎ 摘　　要

NOVELTY - This utility new type provide the one from a graphene-containing acid waste water in recovery of sulphuric acid device, from the graphene in purifying waste sulphuric acid, the resource circulation utilization, and a liquid recovery rate is a ratio of 92% to 95%, at the same time, a device a most heat, saving electric energy about 30%. Comprising the waste liquid storage groove, wherein the further comprising condensing part, distilling part, a condensing part comprising two a condensing unit, the condensing rectifying unit, a condensing heating unit, a condensing unit two is a first condensing unit, second condensation unit, a first condensing unit, the second condensing unit are set with an inner cavity, an outer cavity, a condensing rectifying unit of the lower part exit connected said first condensing unit of the inner cavity inlet, a first condensing unit of inner cavity exit connected to containing sulphuric acid device, exit of said condensing heater is arranged with a condensed distillation bottle, exit of said condensing distillation bottle connect to a second condensation unit of the inner cavity entrance.