scholarly journals ENTERING ROCINHA: A GIS APPROACH FOR THE IMPROVEMENT OF SOLID WASTE MANAGEMENT IN A SLUM IN RIO DE JANEIRO (BRAZIL)

Detritus ◽  
2020 ◽  
pp. 221-231 ◽  
Author(s):  
Francesca Villa ◽  
Andrea Arcidiacono ◽  
Francesco Causone ◽  
Gabriele Masera ◽  
Massimo Tadi ◽  
...  

Solid waste management (SWM) is recognized worldwide as an important issue to deal with in pursuing livability. The favela (slum) of Rocinha represents a good synthesis of all challenges which can be encountered in this field: high population density , lack of space and narrow streets, residents struggling with low incomes. In Rocinha, services coverage is lacking and unsatisfying in many sectors, including SWM. In this study, we investigate the reason for this inadequacy. Waste streams have been analyzed as a first step. The second step was the description of the SWM system and of its criticalities. All accessible information has been used and Geographical Information Systems (GIS) played an important role in the data processing. In the final discussion, we suggest a small-scale and decentralized waste management network, collaborating with the centralized collection system. This study is a piece of the project Polimipararocinha of Politecnico di Milano (Italy) which pursues the overall urban re-qualification of Rocinha.

2019 ◽  
Vol 26 (3) ◽  
pp. 97-104
Author(s):  
Cassie CHOW ◽  
Alex Wai Hung CHEUNG

Solid waste management system is becoming a significant environmental, economic and technological challenge due to the increasing population and different waste stream. Municipal solid waste (MSW) is easy to generate but difficult to venerate. The question of whether MSW is an undervalued resource or an environmental burden is in continual debate. This paper presents an overview and structure of the current MSW management in Hong Kong and the advantages of waste diversion when the waste that normally would be delivered to the landfill is removed from the MSW. This paper also studies the technology of energy recovery which can be achieved from MSW in direct combustion as a fuel to produce power and heat, or indirectly, through waste conversion to fuel or fuel in a state of storage for future use. The necessity, rationale and application of energy recovery facilities are discussed to meet public health and environmental concerns and the public’s desire and willingness to reuse and recycle waste materials. Solid waste management serves both resource recovery and waste disposal in the public’s future challenges and opportunities for change.


2021 ◽  
Vol 9 (2) ◽  
pp. 257-278
Author(s):  
Merihun Fikru Meja ◽  
Nigatu Bushura Ayano

This study was undertaken to assess the constraints of community participation on domestic solid waste management activities in sodo city, Ethiopia. Both qualitative and quantitative data were collected from primary and secondary sources. The primary data were collected from 204 households who were randomly selected from four kebeles (Fana, Gebeya, Gido and Selame) of wolayita-sodo city. The primary data were gathered through survey questionnaire, key informant interview, focus group discussion, and field observation. The secondary data were collected from central statistics authority, city municipality, published and unpublished sources. The collected data were analyzed by using descriptive statistics and binary logistic regression model. The result shows that participation of communities on domestic solid waste management was low. The result from binary logistic regression model revealed that the probability of household participation on domestic solid waste management was positively and significantly constrained by educational level of households, household income, and household access to main road, small-scale enterprise service coverage and supply of waste facility. On the other hand, sex of household head and marital statuses were negatively and significantly constrained the probability of household participations on domestic solid waste management. As a result, widening the horizon of education and training, expanding small-scale enterprise service coverage, supply of waste facility and provision of road infrastructure within the community was suggested to reduce constraints of community participation on domestic solid waste management.


2020 ◽  
Vol 31 (1) ◽  
pp. 201-222 ◽  
Author(s):  
Somying Pongpimol ◽  
Yuosre F. Badir ◽  
Bohez L.J. Erik ◽  
Vatcharapol Sukhotu

Purpose The purpose of this paper is to examine the issues affecting end of life (EOL) management of flexible packaging. It focuses on Sustainable Solid Waste Management by using multi-criteria decision making, analytic network process (ANP), and Strengths, Weaknesses, Opportunities, and Threats (SWOT). Design/methodology/approach Data were collected from 33 expert stakeholders, though a series of interviews and questionnaires. The subject seven aspects were applied from integrated sustainable waste management with 19 sub-criteria identified. Criteria were prioritized by using ANP and SWOT to the internal and external environments of organizations directly responsible for waste management. Findings The five most important factors in the management of flexible packaging waste include: techniques for waste management, material and design, management support, legislation and rule, and environmental care and environmental health, respectively. Solutions addressing flexible packaging waste were identified, including reuse and recycle, waste to energy, biopolymers, new innovative materials and material recovery. Research limitations/implications Data were derived from the national authorities and large companies. The findings may not represent local authorities and small-scale manufacturers. Future research should be conducted, in order to investigate and focus around small manufacturing enterprises. Practical implications The findings provide a strategic framework for policy makers and industrial manufacturers. The benefits of this will enable them to address flexible packaging waste, by using qualitative and quantitative criteria. Originality/value This is the first paper developing a multi-criteria assessment model to specifically manage EOL flexible packaging, a possible pioneering piece of research in this field.


Author(s):  
Prof. Snehal Mohite

In India, the worst problem is population. In day-by-day it is increasing along with that construction sites or buildings also increase. This is affected to the free space. For doing the construction people cuts the trees and finishes the forest. People also occupy the place which is reserve for the waste management. So that we are doing the project on Solid waste management. There are various methods to manage the waste. In our project we use the technique called Pyrolysis. In pyrolysis process consist of both simultaneous and successive reactions when carbon rich organic material is heated in a non-reactive atmosphere. Pyrolysis is the thermal degradation of organic materials in the absence of oxygen. The main products obtained from pyrolysis of municipal wastes are a high calorific value gas (synthesis gas or syngas), a biofuel (bio-oil or pyrolysis oil) and a solid residue (char). Pyrolysis can be performed at relatively small-scale which may help in reducing transport costs and handling costs.


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