Your search found 21 records
1 Adamtey, Noah; Cofie, Olufunke; Ofosu-Budu, G. K.; Danso, S. K. A.; Forster, D. 2009. Production and storage of N-enriched co-compost. Waste Management, 29:2429-2436. [doi: https://doi.org/10.1016/j.wasman.2009.04.014]
Waste management ; Urban wastes ; Household wastes ; Solid wastes ; Composts ; Composting ; Production ; Techniques ; Fertilizers ; Excreta ; Urea ; Urban agriculture ; Inorganic fertilizers ; Nitrogen fertilizers ; Heavy metals ; Farmers ; Health hazards / Africa South of Sahara / West Africa / Ghana / Accra
(Location: IWMI HQ Call no: e-copy only Record No: H042259)
(0.62 MB)
Recovery of the organic fraction of municipal waste for peri-urban agriculture could contribute to the improvement of environmental sanitation and increase agricultural productivity in Sub-Saharan Africa. However, municipal waste co-compost (Co) has low nitrogen (N) content. Therefore, this study investigated the type and form of inorganic N fertiliser that is capable of improving the nitrogen content of Co and monitored the changes in the properties of this N-enriched product under storage. To attain 30,000 mg kg1 (3%) N content, different amounts of urea or ammonium sulphate were applied in various forms (dry, paste and liquid) to enrich Co. The product termed comlizer was stored and its moisture, pH, total nitrogen, NHþ4 -N, NO3 –N, and C/N ratio were monitored under ambient conditions for two years. In the first four months of storage, total N content of 50 kg Co + 3.26 kg urea (CoUD) increased from 31,333 to 54,000 mg kg1, and 50 kg Co + 7.14 kg (NH4)2SO4 (CoASD) from 35,333 to 52,000 mg kg1. At the end of two years of storage, the initial N content of CoUD and CoASD decreased by 47% and 24%, respectively. Based on these results, it is recommended that dry (NH4)2SO4 should be used in N enrichment of Co, and that the comlizer should be stored in sealed bags but not more than four months.
2 Gebrezgabher, Solomie; Amewu, Sena; Taron, Avinandan; Otoo, Miriam. 2016. Energy recovery from domestic and agro-waste streams in Uganda: a socioeconomic assessment. Colombo, Sri Lanka: International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE). 52p. (Resource Recovery and Reuse Series 09) [doi: https://doi.org/10.5337/2016.207]
Resource recovery ; Water reuse ; Energy generation ; Business management ; Models ; Socioeconomic environment ; Environmental impact assessment ; Economic analysis ; Fuels ; Fuelwood ; Agriculture ; Residues ; Transport ; Briquettes ; Social impact ; Gasification ; Biogas ; Greenhouse gases ; Methane ; Emission ; Benefits ; Household wastes ; Electricity generation ; Sanitation ; Excreta ; Waste management ; Wastewater ; Farmers ; Public health ; Rivers / Uganda
(Location: IWMI HQ Call no: IWMI Record No: H047671)
(1 MB)
Recovering energy from waste offers dual benefits – a) improved waste management, and b) provision of reliable energy to households, institutions and commercial entities. In this report, we present a socioeconomic assessment of three energy business models (briquette manufacturing, on-site (public toilet) energy generation, and agro-waste electricity generation) based on feasibility studies carried out in the city of Kampala, Uganda. We assess the potential economic, environmental and social impacts of waste-to-energy business models taking into consideration a life cycle of emissions to provide decision makers with the overall costs and benefits of the models to society versus a business-as-usual scenario.
3 Amoah, Philip; Nartey, E. G.; Schrecongost, A. 2016. Effect of different income housing zones on effluent quality of biofil toilet digesters in Accra, Ghana. Paper presented at the 39th WEDC International Conference: Ensuring Availability & Sustainable Management of Water and Sanitation for All, Kumasi, Ghana, 11-15 July 2016. 7p.
Household wastes ; Waste treatment ; Excreta ; Latrines ; Digesters ; Escherichia coli ; Faecal coliforms ; Helminths ; Water pollution ; Sanitation / Ghana / Accra
(Location: IWMI HQ Call no: e-copy only Record No: H047833)
http://wedc.lboro.ac.uk/resources/conference/39/Amoah-2498.pdf
https://vlibrary.iwmi.org/pdf/H047833.pdf
https://vlibrary.iwmi.org/pdf/H047833.pdf
(472 KB)
4 Balasubramanya, Soumya; Evans, E.; Ahmed, R.; Habib, A.; Asad, N. S. M.; Rahman, M.; Hasan, M.; Dey, D.; Camargo-Valero, M.; Rao, Krishna Chaitanya; Fernando, Sudarshana. 2017. Take it away: the need for designing fecal sludge disposal services for single-pit latrines. Journal of Water, Sanitation and Hygiene for Development, 7(1):121-128. [doi: https://doi.org/10.2166/washdev.2017.073]
Faecal sludge ; Waste disposal ; Waste management ; Pit latrines ; Sanitation ; Rural areas ; Household wastes ; Transport infrastructure ; Public health ; Health hazards ; Environmental health / Bangladesh
(Location: IWMI HQ Call no: e-copy only Record No: H048079)
The government of Bangladesh is increasingly paying attention to the safe collection and disposal of fecal sludge from pit latrines in rural areas. In this paper, we report on current sludge disposal practices from single-pit latrines, by conducting a survey of 1,091 households with pit latrines in a rural subdistrict of Bangladesh. Almost all households were using their pits, and 90% reported that hiring pit emptiers to empty the pit for reuse was the dominant pit management practice. However, 90% of households also reported that the sludge from these pits would be disposed of in the vicinity of their homes, by digging wide and shallow troughs in the soil to absorb the sludge. These results indicate an urgent need to design an organized service that safely transports fecal sludge away for treatment. The National Committee for Fecal Sludge Management, constituted by the government of Bangladesh, is using these results to design policy for sludge management.
5 Danso, G. K.; Otoo, Miriam; Duy Linh, N.; Madurangi, Ganesha. 2017. Households’ willingness-to-pay for fish product attributes and implications for market feasibility of wastewater-based aquaculture businesses in Hanoi, Vietnam. Resources, 6(2):1-22. [doi: https://doi.org/10.3390/resources6030030]
Aquaculture ; Household wastes ; Income ; Fish products ; Market research ; Feasibility studies ; Wastewater treatment ; Water use ; Freshwater ; Willingness to pay ; Socioeconomic environment ; Economic aspects ; Government agencies ; Cost benefit analysis / Vietnam / Hanoi
(Location: IWMI HQ Call no: e-copy only Record No: H048216)
(680 KB)
A choice experiment was used to assess households’ willingness-to-pay (WTP) for informational attributes (sources of water used to rear sh, and certi cation) of sh products in Hanoi, Vietnam. The study showed that households’ purchasing decisions are in uenced by their access to information of food product attributes and ascribe an economic value to it. The results indicated that households are willing to pay 51% (USD 1.11 per kg) above the prevailing market price of sh for information to know if wastewater is used to rear the sh they consume. Similarly, they are willing to pay 20% above the prevailing market price of sh (USD 0.43 per kg) to know if freshwater is used as a rearing medium. It is important to note that the increased marginal WTP is for information on whether the sh they consume is raised in wastewater over freshwater. This supports the notion of households’ concern over the safety of consuming wastewater-raised sh. Households are also willing to pay 65% (USD 1.42 per kg) above the prevailing market price for certi ed sh. Based on the cost of sh certi cation and WTP estimates, we found a total economic bene t of USD 172 million for the implementation of a wastewater-raised sh business model in Hanoi. The demand for wastewater-raised sh is likely to be affected by households’ perception of certi cation by a trusted government agency, source of water used to raise the sh, age, income and household size.
6 Doshi, K.; Rao, Krishna C.; Parthan, B. 2018. Biogas from kitchen waste for internal consumption (Wipro Employees Canteen, India) - Case Study. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.133-141.
Biogas ; Household wastes ; Household consumption ; Food wastes ; Sewage sludge ; Private sector ; Waste management ; Liquid wastes ; Supply chain ; Corporate culture ; Environmental impact ; Socioeconomic environment / India / Bangalore
(Location: IWMI HQ Call no: IWMI Record No: H048635)
(1.07 MB)
7 Rao, Krishna C.; Gebrezgabher, Solomie. 2018. Biogas from kitchen waste - Business Model 4. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.142-151.
Biogas ; Household wastes ; Household consumption ; Food wastes ; Business management ; Models ; Supply chain ; Organic wastes ; Environmental impact assessment ; Health hazards
(Location: IWMI HQ Call no: IWMI Record No: H048636)
(908 KB)
8 Rao, Krishna C.; Parthan, B.; Doshi, K. 2018. Power from municipal solid waste at Pune Municipal Corporation (Pune, Maharashtra, India) - Case Study. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.222-231.
Municipal wastes ; Household wastes ; Solid wastes ; Renewable energy ; Biogas ; Electricity generation ; Municipal authorities ; Socioeconomic environment ; Business models ; Supply chain ; Environmental impact / India / Pune / Maharashtra
(Location: IWMI HQ Call no: IWMI Record No: H048644)
(1.12 MB)
9 Drechsel, Pay; Hanjra, Munir A. (Eds.) 2018. Wastewater for agriculture, forestry and aquaculture - Section iv. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.548-774.
Wastewater treatment ; Wastewater irrigation ; Agriculture ; Forestry ; Aquaculture ; Business models ; Resource recovery ; Cost recovery ; Supply chain ; Wood production ; Fruit products ; Water reuse ; Composting ; Industrial wastewater ; Market economies ; Sewage sludge ; Household wastes ; Solid wastes ; Sanitation ; State intervention ; Waste water treatment plants ; Socioeconomic environment ; Environmental impact assessment ; Suburban areas ; Household wastes ; Deserts ; Arid regions ; Semiarid zones ; Risk reduction ; Fish feeding ; Public-private cooperation ; Partnerships ; Municipal wastes ; Hydropower ; Greenhouse gases ; Emission reduction ; Carbon dioxide ; Health hazards ; Private sector ; Private investment ; Freshwater ; Farmers ; Domestic water ; Deltas ; Urban areas ; Downstream ; Aquifers ; Case studies / Egypt / Tunisia / Morocco / Bangladesh / Ghana / Jordan / Iran / Spain / Mexico / India / Cairo / Ouardanine / Monastir / Mirzapure / Kumasi / Amman / Mashhad / Barcelona / Bangalore / Llobregat Delta
(Location: IWMI HQ Call no: IWMI Record No: H048676)
(6.99 MB)
10 Drechsel, Pay; Hanjra, Munir A. 2018. Wastewater for fruit and wood production (Egypt) - Case Study. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.556-568.
Wood production ; Fruit products ; Industrial wastewater ; Composting ; Household wastes ; Cost recovery ; Market economies ; Business models ; Suplly chain ; Socioeconomic environment ; Environmental impact ; Case studies / Egypt / Cairo
(Location: IWMI HQ Call no: IWMI Record No: H048677)
(1.20 MB)
11 Drechsel, Pay; Hanjra, Munir A. 2018. Wastewater and biosolids for fruit trees (Tunisia) - Case Study. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.569-583.
Wastewater treatment ; Solid wastes ; Fruit products ; Household wastes ; Sanitation ; Water reuse ; Cost recovery ; Market economies ; Business models ; Resource recovery ; Supply chain ; Waste water treatment plants ; Health hazards ; Environmental impact ; Case studies / Tunisia / Monastir
(Location: IWMI HQ Call no: IWMI Record No: H048678)
(1.37 MB)
12 Drechsel, Pay; Hanjra, Munir A. 2018. Suburban wastewater treatment designed for reuse and replication (Morocco) - Case Study. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.584-594.
Wastewater treatment ; Waste water treatment plants ; Wastewater irrigation ; Water reuse ; Suburban areas ; Household wastes ; Organic fertilizers ; Market economies ; Business models ; Supply chain ; Environmental impact ; Case studies / Morocco / Drarga / Agadir
(Location: IWMI HQ Call no: IWMI Record No: H048679)
(0.98 MB)
13 Drechsel, Pay; Hanjra, Munir A. 2018. Wastewater for greening the desert - Business Models 17. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.595-603.
Wastewater treatment ; Deserts ; Business models ; Supply chain ; Sewerage ; Household wastes ; Biofuels ; Agriculture ; Forestry ; Cost recovery ; Risk reduction ; Environmental impact assessment ; Health hazards ; Agroforestry
(Location: IWMI HQ Call no: IWMI Record No: H048680)
(940 KB)
14 Drechsel, Pay; Hanjra, Munir A. 2018. Leapfrogging the value chain through aquaculture - Business Model 18. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.631-638.
Supply chain ; Aquaculture ; Household wastes ; Wastewater treatment ; Business models ; Risk reduction ; Health hazards ; Environmental impact assessment
(Location: IWMI HQ Call no: IWMI Record No: H048683)
(976 KB)
15 Hanjra, Munir A.; Rao, Krishna C.; Danso, G. K.; Amerasinghe, Priyanie; Drechsel, Pay. 2018. Wastewater as a commodity driving change - Business Model 23. In Otoo, Miriam; Drechsel, Pay (Eds.). Resource recovery from waste: business models for energy, nutrient and water reuse in low- and middle-income countries. Oxon, UK: Routledge - Earthscan. pp.745-759.
Wastewater treatment ; Wastewater irrigation ; Domestic consumption ; Household wastes ; Business models ; Market economies ; Supply chain ; Environmental impact assessment ; Health hazards ; Risk reduction / Pakistan / India / Faisalabad / Gujarat
(Location: IWMI HQ Call no: IWMI Record No: H048693)
(1.16 MB)
16 Pharino, C. 2017. Challenges for sustainable solid waste management: lessons from Thailand. Singapore: Springer. 141p. (SpringerBriefs on Case Studies of Sustainable Development) [doi: https://doi.org/10.1007/978-981-10-4631-5]
Waste management ; Solid wastes ; Sustainable development ; Waste treatment ; Recycling ; Waste collection ; Waste disposal ; Municipal wastes ; Household wastes ; Hazardous wastes ; Toxic substances ; Electronic equipment ; Landfills ; Pollution control ; Environmental impact ; Integrated management ; Costs ; Technology ; Strategies ; State intervention ; Policies ; Community involvement ; Public opinion ; Public health ; Developing countries ; Case studies / Thailand / Bangkok / Phang Khon / Sakol Nakorn
(Location: IWMI HQ Call no: e-copy SF Record No: H049700)
17 Taron, Avinandan; Drechsel, Pay; Gebrezgabher, Solomie. 2021. Gender dimensions of solid and liquid waste management for reuse in agriculture in Asia and Africa. Colombo, Sri Lanka: International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE). 33p. (Resource Recovery and Reuse Series 21) [doi: https://doi.org/10.5337/2021.223]
Resource recovery ; Resource management ; Water reuse ; Gender equity ; Social equality ; Waste management ; Solid wastes ; Liquid wastes ; Agricultural value chains ; Circular economy ; Business models ; Women's participation ; Urban wastes ; Household wastes ; Faecal sludge ; Waste collection ; Recycling ; Wastewater treatment ; Organic wastes ; Composting ; Wastewater irrigation ; Sustainable Development Goals ; Health hazards ; Sanitation ; Community involvement ; Social marketing ; Entrepreneurs ; Farmers / Asia / Africa / India / Indonesia / Philippines / Vietnam / Nepal / Ghana
(Location: IWMI HQ Call no: IWMI Record No: H050720)
(978 KB)
This report examines social equality aspects related to resource recovery through solid waste composting and wastewater irrigation. The report shows that women are represented in greatest numbers at the base of the recycling chain, most often as informal waste pickers and as sorters of recyclables with limited access to resources and upward mobility. Despite a wide gender gap in the solid waste and sanitation sectors, women play a key role in both municipal waste reduction and food safety where irrigation water is unsafe. Analyzing the gender dimension is important for understanding household responses to recycling programs, differences between the formal and informal sectors as well as along the waste-to-resource value chain from collection to treatment and reuse. The report stresses the important role of women in household waste management, including waste segregation, and the power of women-dominated waste picker associations, where the informal sector plays an essential role alongside the formal sector.
18 Aheeyar, Mohamed; Jayathilake, Nilanthi; Bucatariu, C.; Reitemeier, M.; Bandara, A.; Thiel, Felix; Drechsel, Pay. 2021. Governance analysis for urban-wholesale-to-household’s food waste prevention and reduction in Sri Lanka. Colombo, Sri Lanka: International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE). 42p.
Food wastes ; Waste reduction ; Governance ; Frameworks ; Urban areas ; Household wastes ; Wholesale markets ; Waste management ; Guidelines ; Legislation ; Policies ; Food safety ; Nutrition ; Climate change ; Institutions / Sri Lanka
(Location: IWMI HQ Call no: e-copy only Record No: H050834)
https://waterdata.iwmi.org/applications/sanitaion/reports/Report%20Policy-%20second%20draft.pdf
https://vlibrary.iwmi.org/pdf/H050834.pdf
https://vlibrary.iwmi.org/pdf/H050834.pdf
(1.15 MB) (1.15 MB)
19 Ouattara, Z. A.; Kabo-Bah, A. T.; Dongo, K.; Akpoti, Komlavi; Siabi, E. K.; Kablan, M. K. A.; Kangah, K. M. 2023. Operational and structural diagnosis of sewerage and drainage networks in Côte d’Ivoire, West Africa. Frontiers in Sustainable Cities, 5:1032459. [doi: https://doi.org/10.3389/frsc.2023.1032459]
Sewerage ; Drainage systems ; Waste management ; Wastewater ; Solid wastes ; Household wastes ; Waste disposal ; Infiltration ; Urbanization ; Anthropogenic factors ; Socioeconomic aspects ; Environmental factors ; Sanitation ; Rainwater ; Vegetation ; Models / West Africa / Côte d’Ivoire / Abidja / Yopougon
(Location: IWMI HQ Call no: e-copy only Record No: H051958)
https://www.frontiersin.org/articles/10.3389/frsc.2023.1032459/pdf
https://vlibrary.iwmi.org/pdf/H051958.pdf
https://vlibrary.iwmi.org/pdf/H051958.pdf
(2.69 MB) (2.69 MB)
In Cote d’Ivoire, the failure of urban sewage systems is a crucial problem for the drainage of wastewater and rainwater. This failure is due to many factors and therefore, calls for diagnostic studies. The present study aimed at analyzing these networks in order to identify the dierent factors that contribute to the operational and structural degradation in selected sewerage and drainage networks in Abidjan, Cote d’Ivoire. The method used in the study involved semi-structured interviews, video camera inspection and socio-environmental field surveys (geographical survey and household survey), followed by descriptive statistics. The results revealed that many structural, environmental and behavioral practice contribute to the progressive degradation of urban sewage systems. These factors are essentially those that prevent the normal flow of wastewater in the pipes such as the illegal dumping of solid waste, the unauthorized connection of wastewater networks, unsustainable urban agricultural practices, as well as the high concentration of vegetation on both sides of the network and the dilapidated infrastructure of the wastewater and rainwater networks. It was found that these factors are at the origin of the clogging and degradation of the sewers since 85% of the residents used these sewers as a dumping ground for solid waste.
20 Aheeyar, Mohamed; Jayathilake, Nilanthi; Bucatariu, C.; Reitemeier, Maren; Bandara, Ayomi; Thiel, Felix; Drechsel, Pay. 2023. Governance analysis for urban wholesale to household’s food waste prevention and reduction in Sri Lanka. Rome, Italy: FAO; Colombo, Sri Lanka: International Water Management Institute (IWMI). 43p. [doi: https://doi.org/10.4060/cc0174en]
Food wastes ; Waste reduction ; Urban areas ; Wholesale markets ; Household wastes ; Governance ; Frameworks ; Waste management ; Policies ; Regulations ; Guidelines ; Legislation ; Institutions ; Nutrition ; Climate change / Sri Lanka
(Location: IWMI HQ Call no: e-copy only Record No: H052030)
(1.22 MB) (1.22 MB)
This report explores and analyses the governance framework (i.e. policies, laws, and regulations) relevant to urban food waste (FW) prevention and reduction in the wholesale, retail, hospitality (restaurants, hotels), food services (schools, hospitals), and households in Sri Lanka. The project "Innovative approaches to reduce, recycle and reuse food waste in urban Sri Lanka" was implemented from June 2019 to August 2021 under the oversight of the Ministry of Urban Development and Housing and in collaboration with the Food and Agriculture Organization of the United Nations (FAO) and the International Water Management Institute (IWMI).
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