Reinforced composite ecological filter bed for treating low-pollution mine water

• Main Authors: ZHANG YUKUI, SU SHUANGQING, ZHAO YAN, LUO TIAN, XU ZHIQING, LIU WEIJIE, YANG YAN, ZHANG DEMING, LI ZE
• Format: Patent
• Language: Chinese; English
• Published: 10.06.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses an enhanced composite ecological filter bed for treating low-pollution mine water. The enhanced composite ecological filter bed comprises a water distribution well, a multi-medium filter layer and a bed body, the water distribution well is located at the top of the multi-medium filter layer, a water inlet is formed in one side of the water distribution well, a water outlet is formed in the bottom of the water distribution well, and the bottom of the multi-medium filter layer communicates with the bottom of the bed body through a communicating water pipe; the bed body comprises an impermeable layer, a multi-level filler filtering area and a vegetation layer which are arranged from bottom to top, and an aeration device arranged at the bottom of the bed body; the multi-stage filler filtering area is arranged inside the bed body, and USAB anaerobic particles are added into the multi-stage filler filtering area. The enhanced composite ecological filter bed provided by the invention is appli