Sustainable Waste Disposal Systems

Scientists and engineers have been working together to find the solution to the production of sustainable energy from waste material. According Environmental Protection Agency (EPA) solid waste can be broken down into two categories namely non-hazardous waste and hazardous waste. Mostly generated from human activities, nonhazardous waste come from relatively innocuous substances such as food and paper waste to toxic substances such as paint, batteries, asbestos, healthcare waste, sewage sludge derived from wastewater treatment and extreme example, high-level (radioactive) waste in the form of spent nuclear fuel rods. Numerous classifications of solid wastes have been proposed depending on their origin and risk to human and environmental health. Three million tons of waste is generate every years by human activity. In the Urban countries where the population is increasing incredible waste is major issues. For example, the United States is facing a huge solid waste disposal problem, especially in urban areas. US citizens produce more than 4 lbs. or 2kg of waste per person per day, more waste than can be disposed of in an environmentally sound but economic an local manner. However, most discarded waste can be reused or recycled, one of the principles of most waste management philosophies. There are many types of techniques that are being practiced to minimize environmental waste impact such as landfills facility, composting waste, recycling waste, converting waste to energy, and using as fertilizer for plants. All of these techniques have minimized the waste impact on environmental but have not provided a sustainable environmental solution. The goal of the papers to provide article focusing on sustainable environmental solution that will improve the environment, ecosystem, and minimize waste.

Prof. Dr. Gbekeloluwa B. Oguntimein
Guest Editor

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