Sustainable Waste Management through Integrated Waste Recycling

By M.K.C. Sridhar, Isaac O. Olaseha, Adeoye Gideon O., Tajudeen Tairu and B. C. Ogunwolere.

Published by The Sustainability Collection

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Article: Print $US10.00
Article: Electronic $US5.00

Solid waste management is a serious problem in Nigerian cities. The major components that contributed to the nagging problem are organic matter (60 to 80%), soft and hard plastics (15%) and metal scrap (10%) of which a major portion is scavenged before dumping. An average Nigerian generates about 0.43 Kg of solid wastes per day. The communities with poor knowledge and attitude resort to dumping the wastes into any available space such as drains, streams or on the road side. Many solutions tried in the past such as private sector collection, sending to land fill sites, incineration and waste to energy conversion by successive State and Federal governments have failed due to lack of sustainability. The purpose of this operational research is to develop indigenous technologies under “Integrated Waste Recycling” scheme in order to make Akure city cleaner. To achieve this, local fabricators were identified and trained to fabricate machinery required to convert organic matter into organic and organo-mineral fertilizers, soft and hard plastics into pellets that serve as raw material for ancillary plastic industries, and metal scrap into ingots and finished products. In implementing this strategy, a number of Stakeholders played a major role and they were integrated through consultations. The Ondo State Waste Management Authority (OSWA) provided opportunity to the authors to carry out an advocacy with the State Government during the State Executive Council meeting. The State Government funded the project, formed a management team and monitored the operations through the Commissioner for Special Duties. Community leaders, market associations, and selected industrial centres accepted the proposal and volunteered full support for implementation after planned mobilization and advocacy meetings with them. The efforts brought out some valuable short tem and long term gains. The short term gains included employment generation, reduction in waste disposal cost, improved cleanliness which brought Akure city as the second cleanest city in Nigeria, and development of technical and entrepreneurial skills among local workers. The long term benefits include health improvement, food security, local resourcing of raw materials for small scale industries, promotion of this technology to other arts of the country and west African region in general.

Keywords: Wastes, Recycling, Compost, Organo-Mineral Fertilizer, Pellets, Billets

The International Journal of Environmental, Cultural, Economic and Social Sustainability, Volume 3, Issue 3, pp.103-112. Article: Print (Spiral Bound). Article: Electronic (PDF File; 558.222KB).

Prof. M.K.C. Sridhar

Professor and Head of Environmental Health, Division of Environmental Health Sciences, Faculty of Public Health, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria

Environmental Development Foundation, Division of Environmental Health Sciences, Faculty of Public Health, College of Medicine, University of Ibadan, Ibadan, Nigeria. Obtained PhD from Indian Institute of Science, worked for some years before moving to University of Ibadan in 1977. Worked on research projects ranging, Bangalore from water quality, waste management, eutrophication and pollution control, environmental toxicology, and community mobilization. Developed waste to wealth projects particularly compost and organo-mineral fertilizers, biogas for communities using stakeholder approach. Consultant to UNDP, UNICEF, WHO and other agecies. Traveled extensively and spent several years in India, Switzerland and USA.

Dr. Isaac O. Olaseha

University of Ibadan, Ibadan, Nigeria

Holds a Ph.D and currently Reader in Health Promotion and Education at Faculty of Public Health, College of Medicine, University of Ibadan. He had several years of experience in the area of community mobilization and education, related to environment and health; has been a Consultant to various national and international organizations; Published several scientific papers in International Journals and books.

Adeoye Gideon O.

University of Ibadan, Ibadan, Oyo State, Nigeria

Holds Ph.D and is Professor of Agronomy at University of Ibadan; Worked extensively on the soil fertility and fertilizer trials on various crops grown in Nigeria; a Consultant to USAID and Federal Ministry of Agriculture on fertilizer promotion. Published several research articles in International and national Journals.

Tajudeen Tairu

Ministry of Environment and Water Resources, Ibadan, Oyo State, Nigeria

Holds MPH in Environmental Health and is Deputy Director with the Ministry of Environment and Water Resources, Oyo State, Nigeria; had several years of experience in the areas of pollution control, waste management, environmental impact assessment and management.

B. C. Ogunwolere

Secretariat, Ministry of Special Duties, Ondo State, Nigeria

Hold Masters degree in Civil Engineering, Environmental Management and Business Administration. Worked widely and extensively in the public service of Ondo State holding various positions. Was pioneer General Manager Ondo State Waste Management Authority since 1999 until his recent appointment as a Permanent Secretary in 2006. he is also presently a Ph.d research student in Environmental Engineering, Department of Civil Engineering, Federal University of Technology, Akure, Ondo State, Nigeria.

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