Organic Waste Management

A special issue of Recycling (ISSN 2313-4321).

Deadline for manuscript submissions: closed (30 April 2017) | Viewed by 24821

Special Issue Editor

Special Issue Information

Dear Colleagues,

The focus of this Special Issue is on organic waste management. Organic waste management is increasingly becoming an important area of resource recovery. The reuse of organic waste for compost/soil conditioners or bio-gas production were early applications for resource recovery in organic waste management. The removal of organic waste from landfills has also been an important contributor to a significant reduction in greenhouse gas (GHG) production associated with landfill management. There are many components of organic waste including food, paper, cardboard materials, biosolids, land clearing/wood, garden refuse and animal waste. The successful resource recovery of organic wastes is largely dependent on effective separation at the point of waste generation. Local government and community education programs are also an important part of resource recovery from organic waste.

It is hoped that this Special Issue of Recycling will provide a useful catalogue of the latest management, technology, and education programs to improve organic waste management and resource recovery.

Prof. Dr. Michele Rosano
Guest Editor

Manuscript Submission Information

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Keywords

  • putrescible waste management
  • high temperature waste gasification/bio-gas production from organic waste
  • community education programs from waste separation
  • organic waste leachate management
  • strategies for organic waste management in local government
  • organic waste management processing technology
  • local government waste management

Published Papers (3 papers)

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Research

2567 KiB  
Article
Greenhouse Gas Emissions and Environmental Impact from Recycling the Organic Fraction of Solid Waste: Comparison of Different Treatment Schemes from a Life Cycle Perspective
by Francesco Di Maria and Federico Sisani
Recycling 2017, 2(3), 13; https://doi.org/10.3390/recycling2030013 - 11 Aug 2017
Cited by 6 | Viewed by 6039
Abstract
The emission of greenhouse gases and the impact from recycling the organic fraction of solid waste were investigated from a life cycle (LCA) perspective. Three different treatment schemes were investigated with the aid of a pilot apparatus including exclusively composting (COMP), integrated solid [...] Read more.
The emission of greenhouse gases and the impact from recycling the organic fraction of solid waste were investigated from a life cycle (LCA) perspective. Three different treatment schemes were investigated with the aid of a pilot apparatus including exclusively composting (COMP), integrated solid anaerobic batch not inoculated and post-composting (SADBPC), and an integrated solid anaerobic batch inoculated and post-composting (SADBPC-I). SADBPC-I and SADBPC generated an average of 300 NL/kgVS and 267 NL/kgVS of biogas, respectively. On the other hand, the amount of stabilized organic carbon contained in the organic fertilizer returned by COMP, SADBPC-I, and SADBPC led to a potential of 470 kgCO2 eq/Mg, 382 kgCO2 eq/Mg, and 545 kgCO2 eq/Mg sequestered in soils for each treatment scheme, respectively. The LCA study highlighted that the impact categories most affected were global warming and human toxicity cancer, and on average, the highest impact was detected for COMP. Full article
(This article belongs to the Special Issue Organic Waste Management)
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1014 KiB  
Article
Extraction of Antioxidant Phenolics from Agri-Food Waste Biomass Using a Newly Designed Glycerol-Based Natural Low-Transition Temperature Mixture: A Comparison with Conventional Eco-Friendly Solvents
by Areti Manousaki, Magdalena Jancheva, Spyros Grigorakis and Dimitris P. Makris
Recycling 2016, 1(1), 194-204; https://doi.org/10.3390/recycling1010194 - 18 Jun 2016
Cited by 103 | Viewed by 7532
Abstract
A novel natural low transition temperature mixture (LTTM), composed of glycerol and ammonium acetate (molar ratio 3:1), was tested for its efficacy as a solvent in recovering phenolics from chlorogenate-rich agri-food solid wastes, including potato peels (PPs), eggplant peels (EPPs), and spent filter [...] Read more.
A novel natural low transition temperature mixture (LTTM), composed of glycerol and ammonium acetate (molar ratio 3:1), was tested for its efficacy as a solvent in recovering phenolics from chlorogenate-rich agri-food solid wastes, including potato peels (PPs), eggplant peels (EPPs), and spent filter coffee (SFC). The efficacy of this solvent was compared with other eco-friendly solvents, including aqueous glycerol, aqueous ethanol, and water. The LTTM was demonstrated to be by far the most efficient in extracting chlorogenates and superior or equally efficient with the other solvents in recovering flavonoids. LTTM extracts produced from waste were also more potent radical scavengers, but results on the reducing power were inconclusive. Liquid chromatography-diode array-mass spectrometry analysis showed that the polyphenolic profiles of all waste extracts obtained with the LTTM were rich in caffeoylquinic and p-coumaroylquinic acid conjugates. Full article
(This article belongs to the Special Issue Organic Waste Management)
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1787 KiB  
Article
Socio-Economic Considerations of Converting Food Waste into Biogas on a Household Level in Indonesia: The Case of the City of Bandung
by Encep Amir, Sharon Hophmayer-Tokich and Tubagus Benito Achmad Kurnani
Recycling 2016, 1(1), 61-88; https://doi.org/10.3390/recycling1010061 - 24 Nov 2015
Cited by 19 | Viewed by 9378
Abstract
Household waste is a serious environmental problem in Indonesia, especially in urban areas. Since 2010, biogas production from food waste has been introduced to reduce waste and provided an alternative to liquid petroleum gas (LPG) as cooking fuel in a pilot project in [...] Read more.
Household waste is a serious environmental problem in Indonesia, especially in urban areas. Since 2010, biogas production from food waste has been introduced to reduce waste and provided an alternative to liquid petroleum gas (LPG) as cooking fuel in a pilot project in Bandung. Although the produced biogas is sufficient, the socio-economic aspects can hinder application. This study assesses the socio-economic feasibility of the project in Cibangkong, a typical urban area in Bandung, which includes four bio-digesters. The results show that the conversion of food waste into biogas is currently not economically feasible, mainly due to the low penetration of bio-slurry—a by-product commonly used for fertilizer—into local fertilizer supply-chains. From a social perspective, community acceptance is mainly influenced by procedural justice. Furthermore, while the produced biogas is perceived to be quite useful in substituting LPG, it has not yet been fully utilized due to low bio gas pressure and several technical failures, which in turn influence community acceptance of the digesters. It is thus concluded that introducing biogas production from waste to improve waste management and reduce LPG consumption can be feasible when efforts to support the market uptake of bio-slurry, enhance biogas utilization, and improve procedural justice performance, are taken. Full article
(This article belongs to the Special Issue Organic Waste Management)
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