Denitrification type low-carbon emission five-grid septic tank and treatment process thereof

• Main Authors: SUN YONGLI, ZHENG XINGCAN, LI HENAN, XIA QIONGQIONG, SUI KEJIAN, LI PENGFENG, SHANG WEI, FAN BO
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2024
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides a denitrification type low-carbon emission five-grid septic tank and a treatment process thereof, the septic tank comprises a septic tank body, a first separation zone, a second separation zone, a denitrification zone, a CANON reaction zone and a nitrification zone which are communicated with one another are sequentially arranged in the septic tank body, the first separation zone is arranged close to a water inlet pipe, and the nitrification zone is arranged close to a water outlet pipe; a water outlet of the nitrification area is respectively connected with inlet ends of a return pipe and a water outlet pipe, an outlet end of the return pipe is connected with a water inlet of the denitrification area, and a water outlet of the denitrification area is arranged close to the bottom of the septic tank body. The denitrification process is transferred from a sewage treatment plant to a community septic tank, nitrification and denitrification are coupled with an autotrophic CANON technology,