scholarly journals Biomethane Production as an Alternative Bioenergy Source from Codigesters Treating Municipal Sludge and Organic Fraction of Municipal Solid Wastes

2011 ◽  
Vol 2011 ◽  
pp. 1-8 ◽  
Author(s):  
M. Evren Ersahin ◽  
Cigdem Yangin Gomec ◽  
R. Kaan Dereli ◽  
Osman Arikan ◽  
Izzet Ozturk
Keyword(s):  
Waste Disposal ◽  
Management Strategies ◽  
Solid Waste Disposal ◽  
Municipal Solid Wastes ◽  
Primary Sludge ◽  
Recovery Potential ◽  
Sanitary Landfills ◽  
Study Results ◽  
Annual Total

Energy recovery potential of a mesophilic co-digester treating OFMSW and primary sludge at an integrated biomethanization plant was investigated based on feasibility study results. Since landfilling is still the main solid waste disposal method in Turkey, land scarcity will become one of the most important obstacles. Restrictions for biodegradable waste disposal to sanitary landfills in EU Landfill Directive and uncontrolled long-term contamination with gas emissions and leachate necessitate alternative management strategies due to rapid increase in MSW production. Moreover, since energy contribution from renewable resources will be required more in the future with increasing oil prices and dwindling supplies of conventional energy sources, the significance of biogas as a renewable fuel has been increased in the last decade. Results indicated that almost 93% of annual total cost can be recovered if 100% renewable energy subsidy is implemented. Besides, considering the potential revenue when replacing transport fuels, about 26 heavy good vehicles or 549 cars may be powered per year by the biogas produced from the proposed biomethanization plant (PE = 100,000; XPS= 61 g TS/PE⋅day;XSS-OFMSW=50 g TS/PE⋅day).

scholarly journals Estimation of Methane Production and Electrical Energy Generation from Municipal Solid Waste Disposal Sites in Pakistan

Energies ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2444
Author(s):  
Ihsanullah Sohoo ◽  
Marco Ritzkowski ◽  
Zubair Ahmed Sohu ◽  
Senem Önen Cinar ◽  
Zhi Kai Chong ◽  
...  
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Waste Disposal ◽  
Methane Production ◽  
Population Census ◽  
Methane Formation ◽  
Solid Waste Disposal ◽  
Formation Potential ◽  
Sanitary Landfills ◽  
Study Results

This work aimed to estimate the annual methane production from the municipal solid waste disposal sites in Pakistan. In this study, the Intergovernmental Panel on Climate Change (IPCC) default methodology was used to estimate theoretical methane formation potential of the waste disposal sites in major cities of Pakistan. The estimates of this study are based on the last population census conducted in the year 2017 and latest available data regarding the waste generation and management practices in the cities considered in the study. Results showed that 31.18 million tonnes of municipal solid waste (MSW) is generated annually. The top 10 major populated cities in Pakistan (with 20% share in country’s population) contributing 31% share in the total quantity of MSW generated in overall country. On average 50–60% of the MSW generated is collected and openly dumped at the designated waste disposal sites. After analyzing the data, we estimate that annually 12.8 MtCO2-eq of methane is emitted from the waste disposal sites in major cities considered in this study. The methane produced from the waste disposal sites can be sustainably utilized as a source of energy through transforming MSW disposal sites (open dumps) to sanitary landfills with methane capturing and utilization facilities. In the present scenario of waste management and methane formation potential, sanitary landfills would generate 62.35 MWh of electric power if 25% of the methane was recovered and utilized in power generation.

scholarly journals ENGINEERING GEOLOGICAL TYPIFICATION OF TERRITORIES FOR ALLOCATION OF MUNICIPAL SOLID WASTE MANAGEMENT FACILITIES

2020 ◽  
Vol 17 (35) ◽  
pp. 1124-1136
Author(s):  
Irina KOZLIAKOVA ◽  
Irina KOZHEVNIKOVA ◽  
Olga EREMINA ◽  
Nadezhda ANISIMOVA
Keyword(s):  
Waste Management ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Waste Disposal ◽  
Solid Waste Management ◽  
Federal District ◽  
Waste Utilization ◽  
Municipal Solid Waste Management ◽  
Solid Waste Disposal ◽  
Municipal Solid Wastes

The management of municipal solid waste (MSW) appears to be one of the major ecological problems at present. Selecting sites for the disposal of municipal solid wastes or waste utilization facilities is one of the most contentious aspects of waste management. The present study aimed to develop the methodology to assess the natural protection of the geological environment from contamination upon the implementation of large ecological projects due to the allocation of MSW utilization facilities. The case of the Central Federal District of Russia (CFD) is taken as an example. The suitability of territories for municipal solid waste disposal is assessed according to the presence of weakly permeable deposits in the geological cross-section and their occurrence mode. A “map of engineering geological zoning CFD by the conditions of allocation MSW disposal sites and utilization facilities” has been compiled to a scale 1:2500000. The map gives a general indication of the suitability of the planned sites for waste disposal within the regarded region and showed that, for the bulk of territory, the allocation of MSW disposal and management facilities requires undertaking additional measures for the geoenvironmental protection from contamination.

scholarly journals Modelling of Processes of Decomposition of Organic Compounds of Municipal Solid Wastes in Cross Electromechanical Fields

2010 ◽  
Vol 13 (3-4) ◽  
pp. 235
Author(s):  
R.Sh. Abdinov ◽  
S.S. Nurkeev ◽  
R. Silvestri
Keyword(s):  
Complex Structure ◽  
Solid Wastes ◽  
Municipal Solid Wastes ◽  
Biochemical Processes ◽  
Results Of Treatment ◽  
Water Composition ◽  
Sanitary Landfills ◽  
Physico Chemical ◽  
Branched Chain

At the present time, one of the most common methods of disposing the municipal solid wastes (MSW) is burial in sanitary landfills, where take place, long-term complex of physico-chemical and biochemical processes of decomposition. It was developed modeling of the natural process of decomposition of the solid Municipal wastes in cross electromechanical fields. The synthesized pellets was studied by IR spectroscopy. Residual hydrocarbons has a complex structure, represented by δ-lactones, cyclopentanone. The results of treatment of husk show there were the characteristic frequencies related to the OH group, indicating that the synthesis of dimers of branched chain alcohols (glycerides). Analysis of model shows that hydrocarbon product formed by the method of matching the external effects of the internal response of the reacting carbon-water composition.

scholarly journals An Assessment of Resource Recovery Potential and Management of Municipal Solid Waste in Jeetpur Simara Sub-Metropolitan City, Nepal

2018 ◽  
Vol 23 ◽  
pp. 93-96
Author(s):  
Yubraj Dahal ◽  
Bikash Adhikari
Keyword(s):  
Developing Countries ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Waste Disposal ◽  
Solid Waste Management ◽  
Solid Waste Disposal ◽  
Total Recovery ◽  
Energy And Environment ◽  
Metropolitan City ◽  
Recovery Potential

Globally, rapid population growth, unmanaged urbanization, and increased income level have brought significant changes in quantity and composition of solid waste generation. In developing countries, solid waste disposal in open dump sites is widely practised as an easy and economical method of waste disposal. The increased quantity and composition of solid waste has posed a serious threat to public health and environment in developing countries. Hence, alternative waste disposal methods such as composting, recycling etc. can be potential options for sustainable solid waste management. Such methods will also reduce the waste volume prior to reaching the landfill and will increase the landfill’s life. This paper aims to calculate the recovery value from Municipal Solid Waste (i.e. composting, biogas, paper, and plastic) in Jeetpur Simara Sub-Metropolitan City (JSSMC) in Nepal, and to calculate the area required for landfilling and dumping of biodegradable and residual solid waste respectively. Due to high biodegradable content (8,400 kg/day), the recovery values from compost and biogas generation are studied. Optimum distribution of biodegradable solid waste among these two options is also evaluated. A combination of 6.4 tons/day for composting and 2 tons/day for landfilling with a net recovery of NRs. 29,064 per day is calculated. The recovery values from plastic and paper are calculated at NRs. 11,088 and NRs. 15,048 respectively. Hence, a total recovery value of NRs. 201.48 lakhs per year is suggested. This revenue is excluding the construction and operation cost required for the establishment of compost plant and landfill biogas collection system. The area required to landfill 2 tons/day of degradable waste is 0.876 hectares and 4.06 hectares to dump residual solid waste for a design period of 15 years. In case, biogas is not extracted, a total of 4.936 hectares’ land is required for dumping the entire MSW generated from JSSMC. The revenue calculated reduces to NRs. 47,640 per day or NRs. 173.88 lakhs per year.HYDRO Nepal JournalJournal of Water, Energy and Environment Issue: 23Year: 2018

scholarly journals Land management strategies for the long-term persistence of boreal woodland caribou in central Saskatchewan

Rangifer ◽  
2011 ◽  
pp. 33-48 ◽  
Author(s):  
A. Alan Arsenault ◽  
Micheline Manseau
Keyword(s):  
Land Management ◽  
Land Use Planning ◽  
Management Strategies ◽  
Coniferous Forest ◽  
Structural Connectivity ◽  
Forest Harvesting ◽  
Woodland Caribou ◽  
Study Results ◽  
Boreal Caribou

We investigated landscape changes and their potential effects on woodland caribou-boreal ecotype (Rangifer tarandus caribou) within a portion of the Smoothstone-Wapaweka Woodland Caribou Management Unit (SW-WCMU). The SW-WCMU is one of eight areas delineated by the Province of Saskatchewan for potential recovery planning efforts for boreal caribou, and is one of four management units located on the Boreal Plain Ecozone. The Prince Albert Greater Ecosystem (PAGE) study area was selected within the SW-WCMU for intensive study from 2004 - 2008. Studies focused on quantifying a suite of landscape and population parameters. This paper presents a summary of study results to date and recommends land management strategies intended to contribute to the long-term viability of boreal caribou in the central boreal plain ecoregion of Saskatchewan. The PAGE study area has undergone structural changes from an area that historically presented a lesser amount but well connected mature coniferous forest, to a currently larger amount of mature coniferous stands fragmented by a highly developed network of roads and trails. Movement data pointed to highly clustered use of the landscape by small groups of caribou and smaller home ranges when compared to 15 years ago. Calving sites were located within each individual home range in treed peatland and distant from hardwood/mixedwood forest stands, roads and trails access. Adult annual survival rates were low, averaging 73% over the course of the study. In order to ensure a self-sustaining population level, study results clearly point to the need for landscape restoration to reduce the level of anthropogenic disturbances in some key parts of the study area. Key strategies include retention of mature softwood forest interior proximate to local areas of caribou activity, protection of calving habitat, improving structural connectivity, planning disturbances (forest harvesting, fire salvage, resource exploration, access development) in ways to minimize the anthropogenic footprint, and recovery action planning integrated with other land-use planning initiatives.

Technical Review of Methods to Enhance Biological Degradation in Sanitary Landfills

1998 ◽  
Vol 33 (3) ◽  
pp. 417-438 ◽  
Author(s):  
M.A. Warith ◽  
R. Sharma
Keyword(s):  
Solid Waste ◽  
Methane Production ◽  
Management Strategies ◽  
Content Management ◽  
Biological Degradation ◽  
Leachate Treatment ◽  
Sanitary Landfills ◽  
Landfill Management ◽  
Conducive Environment

Abstract Biological processes are known to reduce the organic fraction of municipal solid waste, but current landfilling practices have not been altered to reflect this knowledge. The advantages of enhancing degradation of solid waste are as follows: reduced period of leachate treatment, increased methane production, expedited landfill site reclamation through stabilized waste mining, and accelerated subsidence permitting recovery of valuable landfill air space. The techniques that can be used to enhance biological degradation include leachate recirculation, addition of nutrients, shredding, sludge addition, lift design, temperature and moisture content management. Manipulation of these variables promotes a more conducive environment for microbial activity. Research on landfill management strategies through laboratory and full-scale studies has shown the validity of applying the enhancement techniques with regards to reducing leachate strength and increasing methane production. These practices focus on the use of landfills as bioreactors, which enables long-term flexibility and assures compliance with future regulations and discharge standards.

Indicators and ICTs application for municipal waste management

2021 ◽  
pp. 0734242X2110103
Author(s):  
Ajay Singh
Keyword(s):  
Waste Management ◽  
Solid Waste ◽  
Information And Communication Technologies ◽  
Waste Disposal ◽  
Management Strategies ◽  
Solid Waste Disposal ◽  
Environmental Aspect ◽  
Msw Management ◽  
Information And Communication ◽  
Urban Planning And Development

The worldwide populace is rising steadily. Urbanization is likewise expanding quickly with the rising populace. Fast urbanization has considerably increased the generation of municipal solid waste (MSW). The MSW management issues have recently been analyzed through various assessment indicators and information and communication technologies (ICTs). This article provides an overview of applications of assessment indicators and ICTs for addressing the environmental issues of waste disposal and management in municipalities. The selection of indicators mainly depends on the stakeholders’ specific requirements, such as waste management strategies, urban planning and development, human health, and energy generation. The literature analysis revealed that collection, sorting, recycling, cost efficiency, and environmental aspect were the leading indicators used in waste management studies. And these indicators reduce the complexity of systems and formulate evaluations easier for the decision-maker. Moreover, these are also helpful in assessing the improvement and reporting the waste condition to the expert. These analysis further revealed that information and communication technology is a requirement in the planning and managing of current solid waste disposal problems. The use of ICTs in waste management systems mitigates possible constraints regarding spot selection, inept waste disposal, waste collection monitoring, and proper recycling.

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