Nanchong City Jiadong Sewage Treatment Plant, in the three years since it was put into urban sewage purification treatment in February 2006, has treated a total of more than 52 million tons of urban sewage and industrial wastewater in Shunqing and Jialing districts. , and recirculates and discharges it back to the mother river Jialing River according to the national urban sewage treatment Class B purification standard.
It is understood that the first phase of the municipal sewage treatment project with a total investment of 117 million yuan has now reached a saturated treatment capacity of 72,000 tons of sewage per day as the city gradually expands and the permanent population increases. In 2009 The second phase of the reconstruction and expansion project will be launched in the second half of this year.
The newly built district sewage treatment plant in Gaoping District was officially put into operation in February this year, with an annual sewage treatment capacity of more than 7.665 million tons and a COD emission reduction of 1,916 tons. The treatment capacity of Langzhong City's sewage treatment plant has reached 85% of the design capacity, with an annual new sewage treatment capacity of 547,500 tons and an additional COD emission reduction of 136 tons. The sewage treatment plants in Nannan County and Yilong County were completed and put into trial operation. The Xichong County sewage treatment plant will be officially put into operation before the end of March, with an annual sewage treatment capacity of more than 2.37 million tons and a COD emission reduction of 575 tons. Yingshan County Sewage Treatment Plant has completed the civil engineering work and begun to install equipment. The Peng'an County sewage treatment plant was officially put into operation before the end of February, with an annual sewage treatment capacity of more than 5.11 million tons and a COD emission reduction of 1,277 tons. In 2010, sewage treatment facilities in 30 key towns will also be completed.