Cellulose ethanol wastewater treatment process and cellulose ethanol wastewater treatment system

The invention discloses a cellulose ethanol wastewater treatment process and a cellulose ethanol wastewater treatment system, wherein the system comprises a first adjusting tank, an advanced oxidationtank (1), a second adjusting tank, an ozone floatation tank (2), an anaerobic tank (3), an aerobic tank (4) and a sedimentation tank, and the tanks are sequentially communicated. According to the invention, with the process and the system, cellulose ethanol wastewater with high organic concentration and low B/C can be effectively treated, and he advantages of good treatment effect, stable systemoperation and the like are achieved. 本发明公开一种纤维素乙醇废水处理工艺及系统，包括依次连通的第一调节池、高级氧化池(1)、第二调节池、臭氧气浮池(2)、厌氧池(3)、好氧池(4)和沉淀池。本发明可有效处理有机浓度高、B/C低的纤维素乙醇废水，具有处理效果好，系统运行稳定等优点。