Medical centers including hospitals, clinics and places where diagnosis and treatment are conducted generate wastes that are highly hazardous and put people under risk of fatal diseases. Although the understanding of medical waste management and control techniques is important, technical elective courses that are offered in undergraduate chemical, civil or environmental engineering place less e...

The Cambodian city of Phnom Penh displays a unique recyclable waste collection system. This article follows the daily practices pickers and movements through city. hereby examined recurrent interactions define overall infrastructure handling that can be described as infracycles: sociomaterial constellations which quotidian flows persons, goods, tools, narratives ideas are organized in circular ...

The disposal of municipal solid waste into the landfills has been recognized as the major source of soil, surface water and groundwater contamination. Municipal solid waste disposal site for the city of Ludhiana, in Punjab, India, has become an overflowing landfill because of the indiscriminate dumping of solid waste at the site. The leachate produced by landfilling site contains a large amount...

Background: The waste produced in the course of healthcare activities carries a higher potential for infection and injury than any other type of waste. Inadequate and inappropriate knowledge of handling of healthcare waste may have serious health consequences and a significant impact on the environment as well. Objective: The objective was to assess knowledge, attitude, and practices of doctors...

Background: The number of studies available on the performance of on-site medical waste treatment facilities is rare, to date. The aim of this study was to evaluate the performance of onsite medical waste treatment equipment in hospitals of Tabriz, Iran. Methods: A various range of the on-site medical waste disinfection equipment (autoclave, chemical disinfection, hydroclave, and dry thermal tr...

The Subic Bay Metropolitan Authority (SBMA) was created in 1992, after the United States Navy closed down its operations. The former US Naval Base was converted to a freeport zone, utilizing the facilities left by the US Navy. In order to keep up with the demand of a growing enterprise zone, SBMA endeavored to ensure that adequate basic services were maintained, including solid waste management...

How arborists view the issue of “waste wood” is changing. The number of landfills has been steadily shrinking, while tipping fees at the remaining facilities are rising continually. Disposing of waste wood was once merely a time and labor factor, but now carries with it considerably more expense. Many arborists have adjusted to the higher cost of handling waste wood by looking for value-added m...

Industrial and commercial wastes must be classified at least two times on the way from the owner of the waste to the waste disposal facility in order to ensure that waste handling is in conformity with the law. Wastes classification as dangerous goods is very difficult because they consist of many components with diverse dangerous properties. This paper presents a Web-based expert system we dev...

Environmental policies at the European and global level support the diversion of wastes from landfills for their treatment in different facilities. Organic waste is mainly treated or valorized through composting, anaerobic digestion or a combination of both treatments. Thus, there are an increasing number of waste treatment plants using this type of biological treatment. During waste handling a...

In this paper we are to present a practical application of Axiomatic Design (AD) methodology, as a roadmap to lean production, in redesigning a car body assembly line. Axiomatic Design theory provides a framework to simplify the whole problem. According to the AD principles, a hierarchical structure has been developed. The developed structure originated in lean manufacturing principles and exis...