biodigester technology




Effect of biochar and biodigester effluent on growth of maize in acid soils
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The hypothesis that was tested in the present study was that there would be a synergistic response in growth of maize when biodigester effluent, rich in NH4-N, was combined with biochar, derived by gasification of sugar cane bagasse. Two experiments were carried out to

Effect of retention time on gas production and fertilizer value of biodigester effluent
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Two experiments were carried out to study gas production and fertilizer value of the effluent in plug-flow, tubular, plastic biodigesters with hydraulic retention times of 20 or 30 days (BRT BRT20 or BRT30). There were three biodigesters each of 510 litres liquid volume in

Biodigester installation manual
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Deciding on the location of the biodigester and excavating the soil to make the trench Final stages in preparing the plastic tube Linking the waste outlets of the pig pens with the biodigester What to do if one day there is not enough gas to cook And try to fix the previous mistakes

Design, construction, and performance evaluation of plastic biodigester and the storage of biogas
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This paper reports on the generation of biogas using spent grains and rice husk, mixed together. A 300 gallon plastic biodigester was designed, constructed, and used to obtain biogas from these wastes. Fifty percent (50%) of spent grains were mixed with fifty percent

Biodigester Global Case Studies
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The following report consists of several case studies on biodigester systems from around the world. The research was conducted by a team of students from D-Lab Waste Fall 2011 in order to brainstorm ideas for the implementation of a large-scale biodigester in partnership

Study of biodigester design for fuel and fertilizer
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Design of a biogas plant supplying energy for the students cafeteria while utilizing the abundant human waste has been done with an aim of significantly reducing wood consumption. Major fuels used in the cafeteria to prepare three meals per day for 3500

Design, fabrication and experimentation of a small scale anaerobic biodigester for domestic biodegradable solid waste with energy recovery and sizing
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1878-0296 2016 Published by Elsevier BV This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review under responsibility of the organizing committee of 5IconSWM 2015 doi: 10.1016/j.proenv.2016.07.085 Available

Sizing of an anaerobic biodigester for the organic fraction of municipal solid waste
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The anaerobic digestion (AD) of the organic fraction of municipal solid waste (OFMSW) for biogas production is a potential solution to the growing challenges associated with municipal solid waste (MSW) management while simultaneously providing an alternative

A periodically loaded aerobic biodigester
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Se construyeron tres sistemas iguales de biodigestión que funcionaron en forma periódica con excretas de gallina, de vaca y con la macroalga caf Mmocystis pyrifera (L.) C. Agardh. Las cargas del 5% de la inicial (excretas de gallina) y 10%(excretas de vaca y macroalga)

Evaluating the biogas yield and design of a biodigester to generate cooking gas from human faeces
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Erratic power supply in the halls of residence in the University of Ibadan has been the major source of series of protest and students provocation on campus. Electric power is the only cheap source of energy that students use to heat and cook their food. The University claims

Scaling a biodigester ascendant flow for biogas production via sewer and solid waste
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The residues originating from sewer pipes and urbane garbage need treatment before being discarded in the environment to avoid the contamination of grounds, water sheets and dissemination of diseases. Besides the bad smell and of being forts contaminants, these

Design of biodigester for CMR Technical campus hostel using Kitchen waste
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Biomass is a versatile energy source that can be used for production of heat, power, transport fuels and biomaterials, apart from making a significant contribution to climate change mitigation. The terms biomass energy, bioenergy and biofuels cover any energy

Effects of Fertilization with Biodigester Effluent on the Growth and Composition of Selected Water Plants
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Developmental pressures and increasing populations are intensifying the need for sustainable farming throughout Southeast Asia. Integrated farming systems can play an important role in achieving sustainability. These involve the recycling of manure through

Anaerobic biodigestion in Indian batch-type biodigester , using poultry litter as substrate for the production of biogas
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Poultry litter is being produced in large quantities due to the accelerating growth of the broiler industry in recent years, which implies a greater energy dependence and cost of these systems. This study seeks to evaluate the capacity of an anaerobic batch biodigester

The Financial and Economic Feasibility of Biodigester Use and Biogas Production for Rural Households
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The nature of this research project and of rural development projects in general is characterised by a diverse range of potential implications. Sustainable development, in the context of the key ingredients referred to in section 1.1. is especially denoted by the need

Integrated system biodigester biofilter a sustainable option for the environmental management of wastewater from small communities
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The efficiency of removal of organic load, nutrients and microorganisms present in the domestic wastewater of an indigenous community of La Guajira Colombia, in an integrated treatment pilot system whose configuration consists of two biodigesters connected to a

Direct lysis glass milk method of genomic dna extraction reveals greater archaeal diversity in anaerobic biodigester slurry as assessed through denaturing
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ABSTRACT DNA extraction from anaerobic biodigester slurry is a critical step in all phylogenetic and metagenomic approaches to characterize highly diverse biodigester ecosystem, but little is known about the efficiency of different extraction procedures and their

Animals Waste Treatment Using Biodigester
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This paper present the investigation on animals waste treatment by using biodigester . Previously, biodigester has been used widely around the world as an alternative disposal method beside landfill that is more environmental friendly. In the awareness of

Biodigester User Survey Report
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The principle objective of this research is to evaluate the effects of domestic biodigester installations, as supported by the National Biodigester Programme (NBP), on 100 households in 3 provinces in Cambodia. Data were collected from individual interviews with

Financial Feasibility of Biodigester Development in Washington State
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David Paul Rosen Associates (DRA) was retained by the Washington State Housing Financing Commission (WSHFC) to analyze the financial feasibility of anaerobic biodigester development in Washington State. DRA interviewed biodigester developers, operators


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