59 Articles found
ORBIT e.V. Articles
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Conditions for successful composting of industrial Sludges
The principles of the biological aerobic treatment of industrial sludge, its aims and constraints will first be presented in this paper. The BIOSEC® process, developed by NEXUS Technologies, will than be described in its different phases to ...
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Cattail plants’ Biomass as a bulking agent in sewage Sludge composting and the effect of the produced Compost on cattail plants’ Growth
In every Greek island there is at least one town with more than 20,000 inhabitants. Several smaller towns and villages range from a few hundreds to a few thousands in population. Usually in the larger towns there are sewage treatment facilities ...
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Composting of a mixture of orange and cotton Industrial wastes and the influence of adding olivemill Wastewater
The rapid expansion of the agro-industry during recent decades has led to the increasing production of organic wastes. Some such agroindustrial wastes are olive mill wastewater (OMW), the waste from orange juice extraction (OW) and the waste from ...
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Trials about composting of solid wastes from palm oil Mills in Indonesia
The solid wastes produced in palm oil mills are empty fruit bunch (EFB), mesocarp fibre, shell, and palm kernel cake. On an average the amount of EFB is 0,220 t of 1 t oil palm fruit bunch (Singh, 1994). In Indonesia, there will be about 2.9 million ...
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Effects of the anaerobic biowaste treatment processes Management on the digestate quality (residues from Digestion/compost, process water/wastewater)
Regarding the municipally-collected biowaste amount in Germany, a quantity of 90 - 100 kg/ per annum per citizen is registered (Gallenkemper and Doedens, 1994). That results in an annual biowaste amount of 6.3 to 7 million tons in the Federal ...
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Composting and biogasification for senna pod waste stabilization
A medical factory in Finland extracts sennocid from pods of a senna plant with a solvent containing methanol and water. Sennocid is the active compound in some constipation medicines (Otavan Iso Kasvitietosanankirja, 1981). The extraction process ...
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Quality of compost: the experience of veneto region
The Regional Administration of Veneto Region (Italy) established in 1991 the rules for authorisation of composting plants for treatment of pre-selected organic wastes, including urban sludges, organic fraction of municipal solid wastes and animal ...
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“Jerez guadalete w.w.t.p.”: from sludge to biosolids, and finally e.u. ecological fertilizer?
‘Guadalete W.W.T.P’ began its operations in January 1994 in ‘Jerez de la Frontera’, in the province of Cádiz, southwestern Spain. 15.000 t of anaerobically digested dewatered sludge has been produced on a yearly basis over the last four years. An 11 ...
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Label policies, marketing strategies and technical developements of compost market in the European countries
Traditionally the use of soil improvers in agriculture is aimed at the restoration of the organic substance removed from the agro-ecosystem by crops. The addition of humus, as replacement for the portion gradually mineralised by the micro-organisms ...
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Compost based products: history, recent activities, chances
The amount of compost originating from source separated organic household waste collection in Germany is still increasing. At the end of the year 1997, app. 3.0 to 3.5 millions Mg fresh matter of non-mature and mature compost were produced in 515 ...
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Fertilizer law regulations for the use of organic wastes list of types, delimination, declaration
Since 07.10.1996, regulations in the fertiliser law must be observed in addition to other waste management regulations regarding the utilization of organic waste. I have described the legal requirements for the distribution of fertilisers regarding ...
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Deregulation and voluntary self-regulation of producers of compost and secondary raw-material fertilizers -against the background of the biowaste and fertilizer ordinances
Since the RAL (Institute for quality assurance and labelling) introduced the quality mark for compost in 1992, more than 300 German composting plants have decided to adopt this voluntary quality control system. This system has significantly helped ...
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Principles for market-orientated production of compost products from the perspective of a plant operator
The treatment of biological waste, and composting in particular, has received a great boost in recent years since the introduction of source separation for biological waste in the 1980s. At the same time, legal regulations and guidelines for the ...
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Composed based growing and potting media source Material - Production - Market - Utilisation – Use
The increasing biological waste treatment (composting) in Germany provides now and in future sufficient quantities of composts for the most different markets. However a closed loop management is only sensible if the produced composts can be utilised ...
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New standardised product sheet for compost in Denmark
The project was initiated in 1996 by the Working Group on Biological Treatment of Waste within the industry association Danish Waste Management Association (ISWA in DK). It should culminate in a voluntary measurement as a way to improve the quality, ...
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Model-based investigations into long-term compost application effects on nitrate leaching at different agricultural sites
Organic waste materials may beneficially be used for fertilisation as well as for soil improvement on agricultural sites after composting and subsequent application. If compost is continuously applied at an annual scale of app. 10 Mg dry matter/ha, ...
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The mineralization of nitrogen from compost in the tropics
The application of organic matter is very important in maintaining high and stable crop yields under tropical conditions. Most of tropical soils are characterised by low content of organic matter and low structure stability. Animal wastes contain ...
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Effects of biowaste compost amendment on soil microbial biomass and specific carbon turnover in agricultural soils
The importance of biowaste compost as organic fertilisers has become more emergent in the last years due to the increased production of compost produced from biowaste. The utilisation of organic fertilisers in agriculture improves the physical, ...
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Introduction of composted digestates in agriculture
Municipal organic waste is increasingly recycled by aerobic composting or anaerobic digestion procedures. In 1997, 230 000 Mg organic waste were composted and used for agriculture in the region of Cologne, which is an increase by 70% compared to ...
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Composting cotton industry by-products. Evaluation of Use of cotton solid wastes compost as a substrate.
The textile industry at region of Entre Douro e Minho is located at Ave valley and is responsible for a great amount of cotton solid wastes. Currently these wastes, which are characterised by a high C/N ratio and some salinity, are directly applied ...