PMID- 30953987
OWN - NLM
STAT- MEDLINE
DCOM- 20190924
LR  - 20190925
IS  - 1095-8630 (Electronic)
IS  - 0301-4797 (Linking)
VI  - 240
DP  - 2019 Jun 15
TI  - Life cycle assessment (LCA) of food waste treatment in Hong Kong: On-site 
      fermentation methodology.
PG  - 343-351
LID - S0301-4797(19)30432-3 [pii]
LID - 10.1016/j.jenvman.2019.03.119 [doi]
AB  - "Smart Food Waste Recycling Bin" (S-FRB) systems have recently been developed to 
      facilitate the transformation of food waste into an end-product suitable for use 
      as an energy resource following circular economy principles. This decentralized 
      waste decomposition system utilizes fermentative microorganisms for the treatment 
      of organic food waste and has emerged as a possible solution for coping with both 
      landfill capacity and greenhouse gas emissions issues. This paper utilizes Life 
      Cycle Assessment (LCA) to determine the environmental impacts associated with 
      this S-FRB technology and identify environmental hotspots to reduce these 
      impacts. In this paper, we have conducted an on-site pilot-scale study for 
      2 months at a canteen located at the City University of Hong Kong, which resulted 
      in a 90% reduction in the mass of food waste treated in the S-FRB system. Based 
      on this pilot-scale study hypothetical scenarios were developed to determine 
      potential environmental impacts potential scaled-up deployments of the S-FRB 
      instrument based on varied assumptions. Examination of the LCAs of these 
      different scenarios demonstrated the potential for further reduction in CO(2) 
      equivalent emissions during food waste treatment. Cumulative Energy Demand (CED) 
      and Energy Return on Investment (EROI) were also investigated to understand the 
      energy balance energy of the S-FRB technology. Finally, using current waste 
      treatment methods in Hong Kong as a benchmark, the environmental impacts of the 
      S-FRB are compared with the conventional food waste treatment approaches such as 
      landfilling and organic waste treatment facilities (OWTF).
CI  - Copyright (c) 2019 Elsevier Ltd. All rights reserved.
FAU - Yeo, Joonho
AU  - Yeo J
AD  - School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, 
      Kowloon, Hong Kong Special Administrative Region, China.
FAU - Chopra, Shauhrat S
AU  - Chopra SS
AD  - School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, 
      Kowloon, Hong Kong Special Administrative Region, China. Electronic address: 
      sschopra@cityu.edu.hk.
FAU - Zhang, Lin
AU  - Zhang L
AD  - School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, 
      Kowloon, Hong Kong Special Administrative Region, China.
FAU - An, Alicia Kyoungjin
AU  - An AK
AD  - School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, 
      Kowloon, Hong Kong Special Administrative Region, China. Electronic address: 
      alicia.kjan@cityu.edu.hk.
LA  - eng
PT  - Journal Article
DEP - 20190404
PL  - England
TA  - J Environ Manage
JT  - Journal of environmental management
JID - 0401664
SB  - IM
MH  - Fermentation
MH  - Hong Kong
MH  - Recycling
MH  - *Refuse Disposal
MH  - Waste Disposal Facilities
MH  - *Waste Management
OTO - NOTNLM
OT  - Circular economy
OT  - Decentralized treatment
OT  - Food waste disposal
OT  - Reusable energy resource
OT  - Waste circulation
EDAT- 2019/04/07 06:00
MHDA- 2019/09/26 06:00
CRDT- 2019/04/07 06:00
PHST- 2018/08/31 00:00 [received]
PHST- 2019/03/25 00:00 [revised]
PHST- 2019/03/26 00:00 [accepted]
PHST- 2019/04/07 06:00 [pubmed]
PHST- 2019/09/26 06:00 [medline]
PHST- 2019/04/07 06:00 [entrez]
AID - S0301-4797(19)30432-3 [pii]
AID - 10.1016/j.jenvman.2019.03.119 [doi]
PST - ppublish
SO  - J Environ Manage. 2019 Jun 15;240:343-351. doi: 10.1016/j.jenvman.2019.03.119. 
      Epub 2019 Apr 4.