期刊
SUSTAINABILITY
卷 14, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/su141912837
关键词
cost-benefit analysis; hospital solid waste; frictional heat treatment; incineration; waste generation rate; hospital waste disposal system; material flow analysis
资金
- R&D team of Silla Entech Co., Ltd.
- [BK202012]
This manuscript proposes an integrated system for treating hospital solid waste that can operate during normal and emergency situations. The benefits of integrating different hospital solid waste treatment systems with the existing incineration system were analyzed, with a focus on the thermal friction sterilization integration system. The results show that implementing the integrated incineration-frictional systems can lead to significant savings and better resource recovery.
This manuscript proposes an integrated system for treating hospital solid waste (H.S.W.) consisting of an incineration and frictional sterilization system capable of operating during normal and emergency situations. We analyzed the benefits of integrating different hospital solid waste (H.S.W.) treatment systems with the existing stand-alone incineration system, with a particular emphasis on the thermal friction sterilization integration system. The objective was to define the economic advantages and benefits in terms of resources recovery of using the thermal frictional sterilization-incineration integrated system during the hospital's normal and emergency/pandemic operating conditions. We modeled three modeling scenarios based on normal and emergency operating conditions. The results show that the H.S.W. was composed of 74% general H.S.W. Existing incineration systems would be the most expensive process because the sanitary transportation cost represented approximately 96% of the H.S.W. costs. The hospital would realize 40-61% savings relative to the existing method if the integrated incineration-frictional systems were implemented to treat 50-70% of H.S.W.; the savings were better than in other scenarios. Proposed scenario 3 had a much better resources recovery factor than scenarios 1 and 2. This modeling study showed that a thermal frictional sterilization-incineration system could work well even under emergency conditions if the H.S.W. in-house sorting/transportation/storage process is modified to cater to other H.S.W. treatment/sterilization systems.
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