Sewage treatment method

Abstract

The present invention relates to a sewage disposal method, which comprises the steps of that: a trenching is digged and the bottom of the trenching is laid with antiseepage film, the top part of the trenching is laid with gravel and pervious pipe, the upper layer of the gravel and the pervious pipe is coated with pervious material which is further coated with granular soil filter layer, and the uppermost layer is natural soil; the sewage is fed into the pervious pipe and then enters into the gravel layer, further, the sewage is sucked into the soil filter layer by the capillarity of the soil filter above the pervious material; finally, the sewage is purified after being filtered by the soil filter layer and the natural soil. Compared with the prior art, the present invention has the advantages of that: the domestic sewage and the micro-pollution landscape water can be treated effectively in situ by a simple and practical method, the treatment process does not effect the circumambient landscape and does not bring secondary pollutant by adopting the pure ecotechnique.

Description

(1) Technical field [0001] The invention relates to a method for treating sewage, in particular to a method for treating domestic sewage and micro-polluted landscape water. (2) Background technology [0002] At present, most domestic sewage is collected by the urban drainage pipe network and processed in the urban sewage treatment plant. Due to the high cost of laying the drainage pipe network, it is difficult to apply this method in some areas far away from the sewage treatment plant and with a small population. Approach. In addition, most of the landscape water today is micro-polluted water. The pollutant content in the water body is small and the water quality requirements are high. It is difficult to treat it with conventional sewage treatment methods, and the facilities used in various treatment methods are also difficult to match the surrounding landscape. Coordinated. (3) Contents of the invention [0003] In order to overcome the above-mentioned shortcomings of the prior...

AI Technical Summary

Problems solved by technology

[0002] At present, most of the domestic sewage is collected by the urban drainage pipe network and centrally treated in the urban sewage treatment plant. Due to the high cost of laying the drainage pipe network, it is difficult to apply such a system in some areas that are far away from the sewage treatment plant and have a small population. Approach

In addition, most of the landscape water nowadays is slightly polluted water, the pollutant content in the water body is very small, and the water quality requirements are high. coordinate

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