| Abstract:Large amount of lignin、hemicellulose and other organic chemicals were discharged into revers and seas along with waste water or burned for low-value utilization during the process of pulping and papermaking. This not only caused serious environmental problems, but also wasted a lot of renewable resources. Therefore, for the paper industry have introduced a variety of environmental polices and implemented higher environmental standards. Some enterprises have to face the risk of shutting down because of the high treatment cost and higher environment protection. The serious problem was how to realize the reuse of paper industry wastewater and ultra-low emission in modern paper industry. In this paper, the recent research advances and engineering practice of common paper resource utilization technology and ultra-low emission technology were summarized, such as anaerobic fermentation for biogas, sludge resources utilization, advanced oxidation process, membrane separation technology, active carbon absorption and separation technology, sand filtration technology, magnetic finishing technology and constructed wetland research. This conclusion could promote scientific research and engineer utilization of paper wastewater and ultra-low emission technology and a clean and green production for the paper industry. |
