Working Paper Article Version 1 This version is not peer-reviewed

The Co-Treatment of Mixed Wetland Plant and Sludge by an Earthworm Reactor Plant

Version 1 : Received: 9 February 2020 / Approved: 10 February 2020 / Online: 10 February 2020 (05:36:31 CET)

How to cite: Ding, Z.; Han, L.; Lin, F.; Zhou, Z.; Lin, X.; Ming, J.; Wang, B. The Co-Treatment of Mixed Wetland Plant and Sludge by an Earthworm Reactor Plant. Preprints 2020, 2020020120 Ding, Z.; Han, L.; Lin, F.; Zhou, Z.; Lin, X.; Ming, J.; Wang, B. The Co-Treatment of Mixed Wetland Plant and Sludge by an Earthworm Reactor Plant. Preprints 2020, 2020020120

Abstract

We selected earthworm Eisenia foetida (Savigny) to study the assimilation of wetland plant(Myriophyllum aquaticum) and sludge by earthworm reactor treatment, taken the method of grab sampling for observe the conversion efficiency, the result shows that: under the condition of sludge: M.aquaticum.=70%:30%, it takes the highest treatment efficiency, after 30 days treatment, earthworm increased 155%, treated products volume decreased 75.6%, available NPK takes greatly increased, OM (organic matter) increased 15.7%. This study gives a new point for wetland plant and sludge co-treatment, and proved to utilize earthworm reactor is suitable for sludge and wetland plants transforming, meanwhile, the treated products took good quality, which we can use for organic fertilizer application.

Subject Areas

Earthworm reactor; wetland plant; sludge; co-treatment

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