An integrated eco-system for pollution prevention and greening the production chain of small-scale rice-paper production: A case study from Vietnam

Le Thanh Hai, Van Thanh Tran, Le Quoc Vi, Nguyen Thi Phuong Thao, Tran Thi Hieu, Sibylle Braunegg, Hans Schnitzer, Gerhart Braunegg

Research output: Contribution to journalArticleResearchpeer-review

Abstract

In this study, we developed and demonstrated an integrated closed eco-system for pollution reduction and prevention in rice-paper producing and livestock farms in a small-scale craft village which is located in a dry region of Vietnam with a lack of available surface water sources. The system is developed on the basis of material and energy exchange potentials between the wastewater and exhaust gas flows, and the use of available firewood ash as material for absorption. Two operation modes were presented aiming at a complete treatment of wastewater and exhaust gases as required by the Vietnamese national standards, and the recovery of valuable components in the system (N, P) for obtaining value-added products (such as fertilizer, irrigation water, etc.). In addition, the maximization of potentials on existing natural conditions at the local family, the avoidance of chemicals used in the system etc. have also helped to lower the investment and operation costs of the treatment facilities. The application of this system also contributes to the “greening” of the rice production chain in the Mekong Delta, Vietnam and is an example for a local closed cycle economy. Several public activities have also been conducted at the demonstration site (at the local family) with the purpose of maintaining and multiplying the system's effectiveness among the local public community.
Translated title of the contributionEin integriertes Ökosystem zur Vermeidung von Umweltverschmutzung und zur Ökologisierung der Produktionskette der kleinen Reispapierproduktion: Eine Fallstudie aus Vietnam
Original languageEnglish
Article number118785
Number of pages28
JournalJournal of cleaner production
Early online date9 Oct 2019
DOIs
Publication statusE-pub ahead of print - 9 Oct 2019

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Exhaust gases
Ashes
Farms
Wastewater
Pollution
rice
wastewater
ecosystem
Fertilizers
gas flow
arid region
Surface waters
Irrigation
Flow of gases
livestock
ash
Demonstrations
village
fertilizer
irrigation

Keywords

    Fields of Expertise

    • Sustainable Systems

    Cite this

    An integrated eco-system for pollution prevention and greening the production chain of small-scale rice-paper production : A case study from Vietnam. / Hai, Le Thanh; Thanh Tran, Van; Vi, Le Quoc; Phuong Thao, Nguyen Thi; Hieu, Tran Thi; Braunegg, Sibylle; Schnitzer, Hans; Braunegg, Gerhart.

    In: Journal of cleaner production, 09.10.2019.

    Research output: Contribution to journalArticleResearchpeer-review

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