A PILOT STUDY ON BIO-CONVERSION OF RESTAURANT FOOD WASTE BY FLY MAGGOTS AND THE RELATED EQUIPMENTS

LIANG Jian-ru; YAN Cheng; WANG Dian-zhan; XIONG You-wen; ZHOU Li-xiang

doi:10.13205/j.hjgc.202112025

Volume 39 Issue 12

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(12): 166-171,205

LIANG Jian-ru, YAN Cheng, WANG Dian-zhan, XIONG You-wen, ZHOU Li-xiang. A PILOT STUDY ON BIO-CONVERSION OF RESTAURANT FOOD WASTE BY FLY MAGGOTS AND THE RELATED EQUIPMENTS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 166-171,205. doi: 10.13205/j.hjgc.202112025

Citation:

LIANG Jian-ru, YAN Cheng, WANG Dian-zhan, XIONG You-wen, ZHOU Li-xiang. A PILOT STUDY ON BIO-CONVERSION OF RESTAURANT FOOD WASTE BY FLY MAGGOTS AND THE RELATED EQUIPMENTS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 166-171,205. doi: 10.13205/j.hjgc.202112025

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A PILOT STUDY ON BIO-CONVERSION OF RESTAURANT FOOD WASTE BY FLY MAGGOTS AND THE RELATED EQUIPMENTS

doi: 10.13205/j.hjgc.202112025

1. Institute of Solid Waste Treatment, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China;
2. Nanjing BACT Environmental Solutions Co.Ltd, Nanjing 211505, China;
3. Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210095, China

Received Date: 2021-09-03
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

The three-phase separation residue from restaurant food waste treatment plant is a kind of perishable organic waste of acidic and offensive odor, high moisture content, and sludge-like appearance. Housefly larvae(maggots) can efficiently and quickly transformed restaurant food waste into high added-value animal protein(maggots) and high-quality organic fertilizer, assisted by mechanized operation. The pilot-scale production line of fly maggot treatment consisted of feeding, fly maggot culture, maggot-medium separation, and deodorization/dehumidification systems. The designed treatment capacity and processing time of the line was 500 kg and about 4 days for each batch, respectively. After bio-conversion, restaurant food waste became relatively dry, fluffy and odorless organic fertilizer. The conversion rate of the waste was 23.6% for yielding organic fertilizer and 17.4% for maggots. According to the current market assessment, processing 1 ton of raw restaurant food waste entering the restaurant food waste treatment plant could produce RMB 280~320 of value-added products. Therefore, this technology was of great application prospect.
- restaurant food waste,
- housefly larvae,
- treatment,
- equipment,
- effectiveness

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References(15)

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