The thought of burning run-of-the-mine coal in a 1000-Mw utility power plant is appalling. The results would be catastrophic. The furnace would have to be oversized; the unburned combustible loss would be high; the excess air required would be great, thus increasing the amount of flue gas to be cleaned; control of furnace conditions would be next to im­ possible; stack emissions would be excess...

Within recent years, psychiatrists and lawyers have increasingly debated the right of psychiatric patients to refuse treatment. Predictably, the right has advocates as well as opponents who, although often uninformed, are still adamant. Just last year the Academy was admonished that a right to refuse psychiatric treatment was "one right too many,". since it would be "antithetical" to the right ...

Most municipalities in developing countries lack technical and economic resources to improve their municipal solid waste management (MSWM) system. Therefore, tools are needed that enable the most appropriate solutions be identified put better use. This study presents an easy-to-apply sequential methodology for analysis of MSWM alternatives. The method consists two stages: (1) screening availabl...

The role of Mechanical–Biological Treatment (MBT) is still the utmost importance in management residual Municipal Solid Waste (MSW). These plants can cover a wide range objectives, combining several types processes and elements. aim this work to assess compare, from an environmental point view, performance seven selected MBT currently operating different countries, which represent main layout p...

Equipment that compacts and bales loose solid waste materials into denser, more easilytransported units is common in refuse disposal and recycling and is used routinely at recycling centers, manufacturing facilities, and retail and wholesale stores to compress paper, textiles, metals, plastic, and other material. Persons operating balers and compactors can become caught by the powered rams of t...

I t used to be said that the Chicago nieat packers utilized everything but the pig's grunt. Many o f our latter,jay environmentalists seem to feel that the sanie degree o f tfficiency can be applied to recovery and reuse o f our nalion's mountaim of solid wastes. N o doubt. we can recover considerably greater amounts than we are presently nianaging. but this approach to the solution o f the sol...