Abstract: In order to build the type oxidation ditch running better, according to the mark for a sewage treatment plant practical problems for a number of effective lunwen114reform. Conclusion: build-oxidation ditch precipitation zone is not appropriate for pipe ramp; close to the precipitation zone of aeration to be changed to reverse rotating brush; "Masato words" as modified plate rectification, "the words were inclined" rectification plate; increase in precipitation zone The water sprinkler system.

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