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Sustainable design of sanitation system based on material and value flow analysis for urban slum in Indonesia

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Title: Sustainable design of sanitation system based on material and value flow analysis for urban slum in Indonesia
Authors: Ushijima, Ken Browse this author
Irie, Mitsuteru Browse this author
Sintawardani, Neni Browse this author
Triastuti, Jovita Browse this author
Hamidah, Umi Browse this author
Ishikawa, Tadaharu Browse this author
Funamizu, Naoyuki Browse this author →KAKEN DB
Keywords: material flow
value flow
resource recycling
system, sustainable design
initial cost, urban slum
Issue Date: Feb-2013
Publisher: Springer
Journal Title: Frontiers of Environmental Science & Engineering
Volume: 7
Issue: 1
Start Page: 120
End Page: 126
Publisher DOI: 10.1007/s11783-012-0460-5
Abstract: Material flow analysis (MFA) and value flow analysis (VFA) were applied to the sanitation system in an urban slum in Indonesia. Based on the results of the MFA and VFA, garbage and excreta disposal costs were evaluated to be 0.7% and 1.1%, respectively, of per capita income. Such value flows seem reasonable in light of the recognized affordability to pay (ATP) standard. However, current excreta disposal methods create negative impacts on downstream populations. Because such disadvantages do not go back to disposers, but passed to downstream, the current value flow structure does not motivate individual toilet users to install treatment facility. Based on current material and value flow structures, a resource recycling sanitation system scenario was examined. Based on VFA, an affordable initial cost for such a system was calculated; this was found to be comparable in price to a cheaper composting toilet that is currently available in the market.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 牛島 健

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