Method of treating polluted sludge in river in and around city

Abstract

In the section of river with polluted sludge, dam is built. After the water is pumped out, pollutant is buried into sludge. The surface of sludge is leveled, and the polluted sludge is covered with isolating medium before water flows through the river again. The present invention treats polluted sludge through in-situ burying, and the method is simple and has no secondary pollution.

Description

technical field [0001] The invention relates to a method for controlling polluted sludge. Background technique [0002] At present, due to the double pollution of domestic sewage and industrial wastewater, the rivers in the city and its surrounding areas are seriously eutrophic, causing a serious reduction in aquatic organisms, and the rivers are black and smelly, which seriously affects the improvement of the urban environment. Therefore, this kind of river The governance of the city has become the most urgent task in the current urban construction. To control a river with severe eutrophication, on the one hand, effective measures must be taken to reduce or even eliminate pollution sources, and on the other hand, it is necessary to clean up the black and smelly polluted silt at the bottom of the river. However, cleaning up the polluted silt at the bottom of the river is a huge project, which not only requires a lot of investment and takes a long time, but also a problem th...

AI Technical Summary

Problems solved by technology

However, cleaning up the polluted silt on the bottom of the river is a huge project, which not only requires a lot of investment and takes a long time, but also has another problem that is difficult to solve. The cleaned up polluted silt has nowhere to be piled up, and if it is not handled properly, it will cause new pollution.