2. Treatment and resource utilization of wastewater from DSD acid production in Huaiyin Huaihe Chemical General Factory.
3. Chongqing Qing Chuan Chemical Plant 1, 2,4-acid wastewater treatment and resource utilization.
4. Development of purification technology of by-product hydrochloric acid in Yangzhou Yangnong Chemical Group
5. Treatment and resource utilization of phenylhydrazine sulfate production wastewater in Zhejiang Nong Xin Chemical Co., Ltd.
6. Treatment and resource utilization of wastewater from P-nitrochlorobenzene production in Yangzhou Yangnong Chemical Group
7. Treatment and resource utilization of wastewater from three monomer production of Yangzhou Qunfa Chemical Group
8. Treatment and resource utilization of wastewater from three monomer production in Shandong Haihua Tianhe Chemical Co., Ltd.
9. Treatment of toxic wastewater from Zhejiang Nong Xin Chemical Co., Ltd.
10. Treatment and resource utilization of fumaric acid production wastewater from Tianrun Chemical Industry Group in Bengbu, Anhui Province