Trabalhos Técnicos

COMPARISON OF THE ENERGY RECOVERY AND USAGE OF COMPOST FROM GREEN WASTE: WHAT IS THE IMPACT ON PRIMARY RESOURCES?

The German Biomass Regulation (§2 and §3) allows the use of bio and green waste for energy recovery, including electricity generation. This implies governmental support for energy recovery of this waste. The sponsored amount – calculated through the calorific value – ranges between 85 and 160 €/t. The aim of …

Mais »

THE EFFECTS OF LOCAL CULTURAL AND SOCIO-ECONOMIC FEATURES ON THE STRUCTURE OF SOLID WASTE MANAGEMENT IN DEVELOPING COUNTRIES: THE CASE OF THE PHILIPPINES AND VIETNAM

This paper investigates the effects of local socio-economic factors on the adoption of various waste management technologies in the Philippines and Vietnam. Three sets of factors have been selected. The first set of factors includes the economic situation of the community: income, unemployment, and the housing density. The second set …

Mais »

RECYCLING CENTRES FOR CONSTRUCTION AND DEMOLITION WASTES IN BRAZIL: A STUDY CASE FOR THE CITY OF RIO DE JANEIRO

There are very few construction and demolition (C&D) waste recycling centres in Brazil. Data relating to C&D waste management and recycling in Brazil were collected and analysed to encourage the building and operation of new units. Based on the results of this analysis, a conceptual model was proposed to perform …

Mais »

CROP PRODUCTION AND NITROGEN LEACHING RESULTING FROM BIOWASTE AND ONION COMPOST AMENDED SAND

Compost application to agricultural land needs to ensure sustainable development. Hence it is important to determine the fertilizer value and soil conditioning ability of composts, and further to assess the risk of adverse environmental effects, such as excessive nitrate leaching. A lysimeter study was undertaken on poor quality sand to …

Mais »

COMPARISON OF THE ENERGY RECOVERY AND USAGE OF COMPOST FROM GREEN WASTE: WHAT IS THE IMPACT ON PRIMARY RESOURCES?

The German Biomass Regulation (§2 and §3) allows the use of bio and green waste for energy recovery, including electricity generation. This implies governmental support for energy recovery of this waste. The sponsored amount – calculated through the calorific value – ranges between 85 and 160 €/t. The aim of …

Mais »

SOIL CONTAMINATION CAUSED BY URBAN SOLID WASTE LEACHATE

Almost 60% of waste disposal sites in Brazil are open dumps with no infrastructure for environmental protection. It is usual to find uncovered waste. The rainwater runs off over the uncovered top of the waste dump. This water may contaminate the soil. This paper discusses the contamination values in the …

Mais »

CHARACTERIZATION OF THE POLYMERIC WASTE, POST-CONSUPTION, DISPOSED IN THE SANITARY LANDFILL OF THE MUNICIPAL OF SÃO CARLOS, SP

The objective of the present work is to present a physical characterization of the polymeric wastes conducted in the conventional collection of the municipality of São Carlos, SP. The method adopted for physical characterization was by sampling, where the number of samples involved all of the sections, with the weight …

Mais »

RECYCLING CENTRES FOR CONSTRUCTION AND DEMOLITION WASTES IN BRAZIL: A STUDY CASE FOR THE CITY OF RIO DE JANEIRO

There are very few construction and demolition (C&D) waste recycling centres in Brazil. Data relating to C&D waste management and recycling in Brazil were collected and analysed to encourage the building and operation of new units. Based on the results of this analysis, a conceptual model was proposed to perform …

Mais »

SAFE AND SUSTAINABLE MANAGEMENT OF MUNICIPAL SOLID WASTE IN KHULNA CITY OF BANGLADESH

This paper presents the outline of a demonstration project that aims to develop a safe and sustainable system for the management of Municipal Solid Waste (MSW) in Bangladesh through the practical application of ‘WasteSafe Approach’. Khulna, the third largest city of Bangladesh and situated at the Southwest region of the …

Mais »

CHARACTERIZATION OF THE POLYMERIC WASTE, POST-CONSUPTION, DISPOSED IN THE SANITARY LANDFILL OF THE MUNICIPAL OF SÃO CARLOS, SP

The objective of the present work is to present a physical characterization of the polymeric wastes conducted in the conventional collection of the municipality of São Carlos, SP. The method adopted for physical characterization was by sampling, where the number of samples involved all of the sections, with the weight …

Mais »