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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 72 / No. 1 / 2024

Pages : 203-213

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STUDY ON HIGH-TEMPERATURE AEROBIC FERMENTATION TECHNOLOGY OF KITCHEN WASTE

餐厨垃圾高温好氧发酵工艺的研究

DOI : https://doi.org/10.35633/inmateh-72-19

Authors

Yupeng JIANG

Jiangsu University

(*) Aiping SHI

Jiangsu University

Liang FENG

Jiangsu University

Jun YANG

Jiangsu University

(*) Corresponding authors:

[email protected] |

Aiping SHI

Abstract

With the rapid urbanization in China, there has been a gradual increase in the production of kitchen waste, which poses significant environmental challenges. High-temperature aerobic fermentation is an effective method for recycling kitchen waste. This study focuses on utilizing kitchen waste, wood chips, and compound microbial agents as the main raw materials for fermentation. Various parameters such as temperature, moisture content, and amount of compound microbial agent were selected to conduct experiments on the high-temperature stage of the aerobic fermentation process for kitchen waste. Through response surface optimization experiments, it was determined that the optimal conditions for achieving fast high-temperature fermentation of kitchen waste are as follows: temperature at 60℃, moisture content at 60%, and amount of compound microbial agent at 10%. The order of influence on the reduction rate of kitchen waste is found to be temperature followed by the amount of compound microbial agent and moisture content. These findings provide valuable insights into resource utilization strategies for managing kitchen waste.

Abstract in Chinese

随着我国城市化进程的加快,餐厨垃圾的产量也在逐渐增加,对环境产生了极大影响。将餐厨垃圾进行高温好氧发酵是其资源化利用的有效途径。本文主要发酵原料是餐厨垃圾、木屑和复合发酵菌剂,选取了发酵工艺的主要参数:温度、含水率和复合菌剂添加量进行试验,对餐厨垃圾高温好氧发酵工艺的高温阶段开展实验研究,通过响应曲面优化实验,得出餐厨垃圾高温快速发酵最优工艺条件为:温度 60℃、含水率 60%、菌剂添加量 10%,各因素影对餐厨垃圾减量率的影响顺序为温度、菌剂添加量、含水率。为餐厨垃圾资源化利用提供了依据。

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