Home-Composting - A Study on the Simplicity of the System in the Application toward the Effectiveness and Feasibility in Spreading in Vietnam

Song Toan Pham Phu, Takeshi Fujiwara, Duy Bao Nguyen, Cuong Le Dinh

Research output: Contribution to journalArticlepeer-review

Abstract

In 2018, the landfill in Danang city (DNC) received a significant amount of 1,073 t/d of waste, of which 54 % are bio-degradable waste, this lead to the overloaded of DNC landfill. It also shows the huge potential of composting using organic waste is being overlooked. This study aims at introducing a biowaste treatment with a conventional aerobic composting method, the T-COM V2.0 system. The model is a horizontal rotary drum with the same operating principle as the in-vessel composting system, with a capacity of 200 L, equivalent to 10 kg/d. Four models are alternately operated at DNC primary school for kitchen waste treatment, with the combination of effective microorganisms to improve decomposition efficiency and reduce odor. The Compost showed positive results with organic matter 2.5 times higher than the Vietnamese standard on organic fertilizer, odorless, non-contaminated by heavy metal, and can be applied for cultivation or improving soil condition. Within three months of operation, the system had shown efficiency impact with more than 1 t of organic waste treated and is possible to replicate at households, restaurants, hotels with outstanding features like technical assurance, economic optimization, operational simplification, and ease of application. Thus, this system can benefit the DNC waste management system by reducing the quantity of organic waste generation at source.

Original languageEnglish
Pages (from-to)505-510
Number of pages6
JournalChemical Engineering Transactions
Volume89
DOIs
Publication statusPublished - 2021

ASJC Scopus subject areas

  • Chemical Engineering(all)

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