A method for purifying river and lake water with a floating enhanced coupled biofilm reactor

Abstract

The invention belongs to the ecologic and environmental protection field, and relates to a floating enhanced coupling biomembrane reactor (EHBR) river lake water purification device system and a method thereof. A certain number of floating EHBR river and lake water purification device systems are sequentially arranged on a river lake water surface according to the structure characteristics, the current characteristics and the quality characteristics of river lake water. Mass propagation of microbes is carried out by means of organic suspensions or soluble nutrients in river lake water with the hollow fiber membrane of the floating g EHBR river lake water purification device system as a carrier to form a biomembrane capable of absorbing and decomposing pollutants in order to purify the river lake water. The floating EHBR river lake water purification device system and the method thereof have the characteristics of good treatment effect, stable running, small occupied land, low cost, low running cost and flexible arrangement, and are helpful for establishing and improving the ecologic restoration ability of river lakes.

Description

technical field [0001] The invention relates to a method for purifying river and lake water with a floating enhanced coupling biofilm reactor (EHBR), belonging to the field of ecology and environmental protection. . Background technique [0002] At present, the traditional technologies used for river course management mainly include three categories: physical method, chemical method and biological / ecological method. The physical method mainly removes the pollutants in the river water through measures such as dredging and changing water, mechanical algae removal, and manual salvage. The cost is extremely high, and the maintenance time of the water body is very short, and it cannot fundamentally solve the problem of river water pollution. Chemical methods such as coagulation and sedimentation, adding chemical agents to kill algae, adding iron salts to promote the precipitation of phosphorus, adding lime to denitrify, etc., but the cost of river sewage treatment is high and it...

AI Technical Summary

Problems solved by technology

The physical method mainly removes the pollutants in the river water through measures such as dredging and changing water, mechanical algae removal, and manual salvage. The cost is extremely high, and the maintenance time of the water body is very short, and it cannot fundamentally solve the problem of river water pollution.

Chemical methods such as coagulation and sedimentation, adding chemical agents to kill algae, adding iron salts to promote the precipitation of phosphorus, and adding lime to denitrify, etc., but the cost of river sewage treatment is high and it is easy to cause secondary pollution

At present, biological / ecological methods are used to treat river water, mostly by planting aquatic plants in the water and attaching other treatment devices. However, due to the single function of most treatment devices, the use effect is generally poor, and aquatic plants are easy to die and rot when the season changes, so it is impossible to achieve water quality. Systematic and permanent decontamination