Environmental Engineering - Solid Waste Management

Identify the treatment technology/technologies NOT recommended for highly biodegradable organic solid wastes.

Organic fraction of municipal solid waste (OFMSW) with bulk density of 315 kg/m³ and water content of 30% is mixed with municipal sludge of bulk density 700 kg/m³ and water content of 70%, such that the water content of...

The following table gives various components of Municipal Solid Waste (MSW) and a list of treatment/separation techniques. Component of MSW P - Ferrous metals Q - Aluminum and copper R - Food waste S - Cardboard Treatmen...

In the context of Municipal Solid Waste Management, 'Haul' in 'Hauled Container System operated in conventional mode' includes the _________.

Which of the following statements is/are TRUE for the Refuse-Derived Fuel (RDF) in the context of Municipal Solid Waste (MSW) management?

Which of the following statements is/are TRUE for the aerobic composting of sewage sludge?

The composition and energy content of a representative solid waste sample are given in the table. If the moisture content of the waste is 26%, the energy content of the solid waste on dry-weight basis is ________ MJ/kg (...

In a solid waste handling facility, the moisture contents (MC) of food waste, paper waste, and glass waste were found to be MCf, MCp, and MCg, respectively. Similarly, the energy contents (EC) of plastic waste, food wast...

To design an optimum municipal solid waste collection route, which of the following is/are NOT desired:

In a city, the chemical formula of biodegradable fraction of municipal solid waste (MSW) is C100H250O80N. The waste has to be treated by forced-aeration composting process for which air requirement has to be estimated. A...

Which one of the following statements is correct?

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: One of the best ways to reduce the amount of solid wastes is to reduce the consumption of raw materials. Reason [r]...

A city generates 40×10⁶ kg of municipal solid waste (MSW) per year, out of which only 10% is recovered/recycled and the rest goes to landfill. The landfill has a single lift of 3 m height and is compacted to a density of...

A waste activated sludge (WAS) is to be blended with green waste (GW). The carbon (C) and nitrogen (N) contents, per kg of WAS and GW, on dry basis are given in the table. The ratio of WAS to GW required (up to two decim...