E3S Web Conf.
Volume 329, 20214th International Conference on Green Energy and Sustainable Development (GESD 2021)
|Number of page(s)||4|
|Published online||09 December 2021|
Experimental study on biological dehydration pretreatment of kitchen waste
School of Mechanical Engineering, Tongji University, Shanghai, China
* Corresponding author: email@example.com
Aerobic fermentation treatment technology is one of the effective means of kitchen waste resource treatment at present. Due to the high moisture content of kitchen waste, dehydration pretreatment is needed before aerobic composting.At present, China usually adopts mechanical methods such as forced extrusion for dehydration treatment, which not only has high energy consumption, but also has high content of solid suspended solids (SS) and chemical oxygen demand (COD) in sewage. Sewage is difficult to meet discharge standards.In this paper, biological dehydration technology is proposed to pretreat kitchen waste. Experiments show that biological dehydration pretreatment can dehydrate kitchen waste, effectively reduce the SS and COD values in sewage, which is of great significance to the resource treatment of kitchen waste.
© The Authors, published by EDP Sciences, 2021
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