Pollution control
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Friday, February 5th, 2010S.S. Sethunge, P.M. Manage and S. Jayasinghe
The algal management procedure, which is most actively investigated, is based on the reduction of nutrient loading which reduces algal bio mass. This is a difficult task as it requires a consensus of the community. Thus, some physical, chemical and biological control methods are being practiced to control algae. [...]
Managing waste in a watershed: The case of the Paradeke Oya watershed
Friday, February 5th, 2010K. Melvani
In 2007, areas within the Paradeke Oya watershed were impacted by an outbreak of Hepatitis A caused by the poor health and sanitation conditions in the watershed. In order to examine the underlying causes of the spread of this disease, the National Water Supply and Drainage Board contracted the Neo Synthesis Research Centre to [...]
Ensuring human safety and addressing environmental concern through better
Friday, February 5th, 2010K. Khobragade
The waste, which is generated during the diagnosis, treatment or immunization of human beings or animals, in search activities pertaining humans or animals or in the production or testing of biologicals is called Biomedical Waste (BMW). The main and exact reason of bio-medical waste as a problem was in its poor management. In India, [...]
Design an effective solid waste management system for a Local Authority in Sri Lanka
Monday, February 1st, 2010T.P.G.P.R. Gurusinghe and B.C. Liyanage
The problem of solid waste management is emerging as a major problem for policy makers in developing countries as the quantity of solid waste generated has increased significantly and its characteristics have changed as a result of the change in the peoples lifestyles due to swift industrialization and urbanization. In countries [...]
Adaption of different composting techniques by Local Government Authorities (LGA);
Monday, February 1st, 2010W.G.A.S. Kumara, S.N. Gamage and N.J.G.J. Bandara
Local Government Authorities (LGAs) in Sri Lanka face immense problems in attempting to mange municipal solid wastes. Disposal of solid waste has become a major environmental problem. Open dumping of solid waste has been the most common disposal practice in Sri Lanka. Unless properly managed, solid wastes have potential [...]
Waste composition analysis to estimate prevalence of recyclables to develop a
Monday, February 1st, 2010W.G.A.S. Kumara, W.S.S. De Silva and M.K.C.G. Gunathilaka
Waste composition analysis is an internationally recognized approach to collecting data to help inform decision makers, improve the waste management service and to develop effective waste management strategies for a given region. Past research has shown that the amount of waste generated is proportional to the population and [...]
A Study of carbofuran adsorption and leaching in three soil series of Jaffna Peninsula
Thursday, January 21st, 2010N. Gnanavelrajah and T. Kanthasamy,
Carbofuran is a widely used nematicide and insecticide in Jaffna peninsula. Carbofuran is relativelymobile in soil and has the potential to contaminate groundwater. This study examined the adsorptionand leaching potential of carbofuran in three soil series of Jaffna Peninsula. Four replicate soil samplesfrom Chankanai, Inuvil, and Navatkuli series were used for [...]
Growth response of Tobacco (Nicotiana tobaccum) for the enriched organic fertilizer
Thursday, January 21st, 2010N. Kannan, M. Prabhaharan and V. Jayapiratha
The problem of municipal solid waste management is an alarming dimension in Sri Lanka during the last few decades. Due to the population growth and economic development, municipal solid waste per capita is increased daily. In Jaffna the collection and removal of municipal solid waste has become a [...]
Survey of new trends and changes of polythene products after implementation the new thin polythene regulation No 1466/5, 2006.10.10
Tuesday, July 21st, 2009Uncontrolled and needless use of polythene is still creating adverse environmental impacts. The Ministry of Environment of Sri Lanka and the Central Environmental Authority took the initiative with wide stakeholder participation to introduce regulatory measures to minimize negative impacts on the environment and human health due to thin polythene. Through Gazette numbered 1466/5 and dated [...]
A quantitative study to propose effective guidelines for household composting
Tuesday, July 21st, 2009Solid waste is a major environmental problem in Sri Lanka. The main disposal sites are marsh lands, low lands, river banks & other wet lands. More than 80% of the waste generated in Sri Lanka consist of organic materials. When compared to other developing countries there is a great possibility in composting the waste and [...]
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