Experimental check of digestate processing via vermicomposting
© Wasteconsult international (5/2015)
The article examines potential processing of digestate via vermicomposting. The experiments focused on the assessment of the properties of vermicomposts produced from conventional biowastes and biowastes with added digestate. The properties of vermicomposts were examined by means of pot vegetation experiments, agro chemicalanalyses of the growth substrate and of the grown plant mass. The test confirmed that the application of vermicompost with added digestate had a positive effect on the nutrient intake by plants as well as on the quality of the growth substrate. Moreover, there were interesting differences in the contents of hazardous elements. For example, the content of lead analyzed in the substrate made from vermicompost and added digestate was 17.07 mg/kg, whereas in the substrate made from vermicompost only lead amounted to 24.49 mg/kg. In searching for various methods how to process digestate, vermicomposting appears as a feasible Option.

Operation experiences at the MBT Maresme, the latest wet anaerobic digestion plant for MSW built in Spain
© Wasteconsult international (5/2015)
The MBT Maresme is the latest wet anaerobic digestion plant for the Organic Fraction from Municipal Solid Waste (MOR -Materia Orgánica Residual), that has been built in Spain, in countercurrent to the observed development towards MBT plants with only composting technology. In the present paper a short presentation of the MBT Maresme is given before the operation experiences during the start-up phase and the guarantee tests are discussed. Despite the challenge the operation of this facility under aggravating circumstances implied, the achieved performance and clearly advantageous energetic balance confirm the integration of a digestion step in MBT plants as a valid and valuable concept.

Capacity Building and Fundamental Research to Develop and Implement a Mechanical Biological Treatment Facility with an Integrated Fermentation Stage in Jundiaí-SP, Brazil
© Wasteconsult international (5/2015)
Waste management has changed significantly in the last years, becoming an icon of sustainable development, contributing to environmental protection and guaranteeing the climate protection and the preservation of natural resources. In this context, Brazil passed a National Solid Waste Policy, which provides for selective collection and Treatment of waste before final disposal in the whole country by 2014. The development of technology, technical consulting and state-of-the-art machinery are necessary to implement the Policy. In addition to implementing the new policy, sustainable waste Management systems must be developed to mitigate the environmental impact generated over the last few decades in the country. This poses a considerable challenge due the limited expertise available to develop the necessary technology and to streamline them into the Brazilian market, which, in its turn, results in faltering decision-making at all public levels (federal, state and municipalities) as well as other relevant stakeholders, such as funding and environmental licensing agencies.

MBT Ljubljana: In Slovenia arises one of the largest and most modern plants in Europe
© Wasteconsult international (5/2015)
The new MBT in Slovenia’s capital gets ready to become one of the largest and most modern waste treatment plants in Europe. It will produce biogas, recover heat and power as well as SRF and other recyclable products while avoiding landfilling. The new facility is implemented into the existing waste management centre of Ljubljana.

The dry anaerobic DRANCO technology applied to the organic fraction of MSW
© Wasteconsult international (5/2015)
The DRANCO technology was developed in the eighties as one of the very first anaerobic digestion technologies for municipal solid waste (MSW). A first demonstration plant was erected in 1984 in Ghent, Belgium. At present about thirty DRANCO installations are constructed in about fifteen different countries. This paper describes these DRANCO installations treating the organic fraction of MSW, integrated in a mechanicalbiological treatment plant (MBT). It does not describe DRANCO installations dealing with source separated biowaste.

Material-specific waste treatment as an integrated component of RETech export
© Wasteconsult international (5/2015)
The German Recycling Technologies and Waste Management Partnership e.V. was established at the end of 2011 as a result of the Recycling and Efficiency Technology Initiative of the Federal Ministry of the Environment. RETech activities are focused on the promotion of applying sustainable environmental technology of German Recycling abroad. RETech supports all areas of waste management. German knowhow and German technology can help to improve the situation of waste management worldwide. By the example of Arab states and the PRC, this paper briefly outlines the status of waste management and points out the potential for German manufacturers and consultants.

MBT in Brazil – a solution for the current challenges
© Wasteconsult international (5/2015)
Brazil demonstrates advances in waste management, especially after the publication of the National Solid Waste Policy (NSWP), Law number 12.305, which requires a waste plan for each municipality, encouraging recycling and composting of waste. Still, the problem persists because of the lack of selective collection, lack of incentives to recyclers and collectors programs, as well as neglect of governments and the citizens. The likelihood of improvement is great, but will require much time and investment. The mechanical and biological treatment is then presented as a solution to meeting the goals in the treatment of waste in the short term. This work aims to analyze this technology and its application in the municipality of Rio de Janeiro, evaluating their advantages, disadvantages and limitations to this process.

Finep and its role in Urban Solid Waste Management in Brazil
© Wasteconsult international (5/2015)
Providing good solid waste management (SWM) services continues to be a major challenge in most developing countries. In Brazil, due to lack of organisation and/or financial resources, activities such as collection, transportation, processing, treatment and disposal, which were at the responsibility of municipalities, are being outsourced to private companies, in an attempt to soothe public budget constraints and enhance the quality of the services. However, given the low economic feasibility of the current technologies in Brazil, the country remains a long way from ensuring sustainability in this sector. In this context, the Brazilian Innovation Agency (Finep) has sought to assist companies in promoting innovation in SWM, either by backing low-interest loans or granting economic subvention for the acquisition of goods, services and labour. The results, though still modest, are encouraging.

Latest North American Perspective on Integrated Solid Waste Management
© Wasteconsult international (5/2015)
This presentation will provide an overview of integrated solid waste management in North America. It will then focus extensively on the current state of solid waste management, material recovery, waste to energy (WTE). It will provide insight on the current practices in place and the results achieved in the material and energy recovery. Further it will discuss the current trends followed by perception as to what lies ahead, the expectations and the opportunities.

Application of paper sludge for co-fermentation in MBT
© Wasteconsult international (5/2015)
During the production of paper and packaging materials, various paper sludges are producedas waste material. This research project, funded by the DBU, investigates cofermentation in the digesters of mechanical biological treatment plants (MBT) as an ecological and economical solution for the use of these residuals. Three types of paper sludge from different ways of paper production were analyzed. The slurries were checked for possible inhibition effects upon the biogas process in MBT and their Biogas yield. First results have shown that the co-fermentation of paper sludges in digesters of MBT plants could be useful. The results found so far do not show definite inhibition effects.

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