solid organic waste Articles

  • Geophysical applications to solid waste analysis

    Abstract: Case studies of regional landfills show that electromagnetic geophysical methods can accurately and inexpensively define boundaries and thickness of waste. Degradation of putrescible solid waste generates conductive leachate that can be imaged with a frequency-domain terrain conductivity meter. Terrain conductivity measurements can be modified through a simple algorithm based upon ...


    By Geonics Limited

  • Transformation of the waste business influences all business owners

    Even if recycling was expensive and unprofitable in the past, it will not be that in the future. We need to stop landfilling valuable materials for the sake of our business and for the sake of the globe. A huge, global transformation in waste management has already begun. The biggest driver of change is related legislation that makes us shift towards recycling and material recovery. The pace ...


    By Tana Oy

  • Implementation of la21 policies on waste management and the consequences on biotechnology of organic solid waste

    The UN 'Earth Summit' in Rio de Janeiro, Brazil, in 1992 came about because of international concern about the environmental impact of human development, especially in areas like water, soil and air pollution, global warming, endangered species, tropical forests and oceans. The 'Rio Summit' produced a document called 'Agenda 21 – A plan for the 21st Century', which was signed and agreed to be ...


    By ORBIT e.V.

  • Los Angeles County WRRF Embraces Codigestion

    Technology to produce food waste slurry key to project implementation - and helps generators comply with California organics recycling mandates. The Sanitation Districts’ JWPCP in Carson (CA) treats an average of 280 million gallons/day of wastewater. One of the two anaerobic digestion tanks above has been used for codigestion, with the second serving as the control. Photos ...


    By BioCycle Magazine

  • Solid waste routing

    In today’s struggling economy we are all forced to look at ways to reduce expenses. This applies to private and public operations equally. For the private operation, priorities are placed on maintaining profits—a difficult task in a competitive industry. Raising rates is typically met with resistance from customers, as well as opens a door for competitors to move in. For the public ...


    By Waste Advantage Magazine

  • What is a wastewater treatment system and how does it work?

    For industrial companies producing wastewater as part of it’s process, some type of wastewater treatment system is usually necessary to ensure safety precautions and discharge regulations are met. The most appropriate wastewater treatment system will help the facility avoid harming the environment, human health, and a facility’s process or products (especially if the wastewater ...


    By SAMCO Technologies, Inc.

  • Life Cycle Assessment technique for sound management of organic municipal solid wastes

    Mauritius generates around 1200 tonnes of municipal solid wastes on a daily basis, out of which more than 60% is of organic nature. The objective of this paper was to evaluate two different strategies for the treatment of organic wastes on a life cycle perspective, namely: composting and Anaerobic Digestion (AD). The functional unit was one ton of organic municipal solid wastes. Windrow ...


    By Inderscience Publishers

  • Extent and rate of biodegradation of different organic components in municipal solid waste

    Rates and extent of biodegradability of four different organic components of municipal solid waste (leaf litter, newspaper, magazine paper and A4 sheet) were evaluated under optimum conditions. Total solids (TS) removals in biotic samples ranged from 74.7% to 78.8% while volatile solids removals ranged from 75.7% to 84.8%. Significant biodegradation of tannin–lignin was observed for all four ...


    By Inderscience Publishers

  • Potential of hydrogen production from organic Urban Solid Waste fermentation in Mexico

    Mexico generated 35.4 million tons of urban solid wastes in 2005 of which 51% were organic ones. This biomass can be fermented into H2 when H2-based technologies increase their market penetration for the year 2020. The purpose of this work was to review studies that have utilised organic solid wastes for fermentative H2 production and to evaluate the potential for Mexico. The experimental H2 ...


    By Inderscience Publishers

  • Management of organic content in municipal solid waste - a case study of Lahore

    Poor solid waste management (SWM) is one of the leading obstacles for absolute clean and healthy environment. Growing economy of Lahore has rapidly increased growth rate which in turn has flared solid waste generation. Municipal solid waste is contributing heavily to air, water and land pollution and a major portion of municipal waste is organic. Generally considered unfruitful, this organic ...


    By Inderscience Publishers

  • Emission of volatile organic compounds from solid waste disposal sites

    The emission of volatile organic compounds (VOCs) from a solid waste disposal site for municipal solid wastes was quantified. The VOCs contained in the landfill gas taken at the site were benzene, toluene, xylenes, ethyl benzenes, and trimethyl benzenes, while the concentrations of chlorinated compounds were very low. The concentration of benzene in the landfill gas samples ranged from below the ...


    By SAGE Publications

  • Anaerobic fermentation of organic solid wastes: volatile fatty acid production and separation

    Anaerobic fermentation of organic municipal solid waste was investigated using a leach-bed reactor (LBR) to assess the volatile fatty acid (VFA) production efficiency. The leachate recycle rate in the LBR affected the VFA composition of the leachate. A six-fold increase in the recycle rate resulted in an increase of the acetic acid fraction of leachate from 24.7 to 43.0%. The separation ...


    By IWA Publishing

  • Biosolids ban struck down

    In 1994, Los Angeles County Sanitation Districts (LACSD) bought a 4,700-acre farm (called Green Acres Farm) in southwest Kern County for the purpose of land applying biosolids from its 11 wastewater treatment plants. LACSD land applied 800 wet tons/day at this site for several years. In 2006, Kern County voters passed Measure E on the ballot with 83 percent approval. This measure banned ...


    By BioCycle Magazine

  • Effect of organic loading rate on the performance of two-stage anaerobic digestion of the organic fraction of municipal solid waste (OFMSW)

    Two-stage anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) was carried out: hydrolysis and acidogenesis in a continuous anaerobic hydrolytic leach bed (AHLB) reactor loaded at different rates (Bv = 3.8–7 gVSSL−1d−1) and methanogenesis of leachates, diluted with municipal wastewater in an upflow anaerobic ...


    By IWA Publishing

  • Effect of co-managing organic waste using municipal wastewater and solid waste treatment systems in megacities

    A model was developed to calculate the mass and heat balances of wastewater and municipal solid waste treatment plants when these plants operate either separately or together with a mutual dependence on mass and energy. Then the energy consumption, life cycle costs (LCCs), greenhouse gas (GHG) emissions and effluent quality were evaluated under various scenarios to identify the most effective ...


    By IWA Publishing

  • Influence of the comminution of organic waste on their biodegradability

    Organic solids are present in very large quantities as products or waste from agriculture, food industry, household and many other fields. The disposal of organic waste can be realised using biological processes like anaerobic digestion or aerobic composting. The anaerobic digestion has advantages in comparison to composting such as a better handling of wet waste, the production of useful ...


    By ORBIT e.V.

  • Treating organic waste with Cambi THP

    ABSTRACT This paper describes how the Cambi Thermal Hydrolysis Process (THP) treats biodegradable organic waste and converts it to renewable energy and pathogen-free and bio-fertilizer. The interest for the process is expected to increase due to new environmental legislation as well as increasing demand for renewable energy. The implementation of the European Landfill Directive 1999/31EC and the ...


    By Cambi AS

  • Treating organic waste with Cambi® THP

    This paper describes how the Cambi Thermal Hydrolysis Process (THP) treats biodegradable organic waste and converts it to renewable energy and pathogen-free and bio-fertilizer. The interest for the process is expected to increase due to new environmental legislation as well as increasing demand for renewable energy. The implementation of the European Landfill Directive 1999/31EC and the Animal-by ...


    By Cambi AS

  • In-situ estimation of the methane generation rate for a wet and highly organic solid waste landfill

    Significant investments in landfill gas utilisation projects are required at project commencement. The methane generation rate for the Villa Dominico Landfill in Buenos Aires, Argentina is 0.26 yr−1, a very high rate as a result of the high organic content in the waste, and high moisture conditions within the refuse. The implications for landfills is that ...


    By Inderscience Publishers

  • Anaerobic Digestion of Semi-Solid Organic Waste Under Identical Technical Setting but Different Bacteria Inoculums and Purification of the Biogas Produced

    Abstract The main objective of the present research paper is to compare the amount of biogas produced from a set of experiments conducted under identical technical setting (loading rate, temperature, means of stirring, kind of substrate fed, hydraulic retention time, etc.), using orthofruit waste but different bacteria inoculums. Methane concentration in the biogas, total COD and volatile solids ...


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