Solid Waste

A hydrocarbon $\left(\mathrm{C}_n \mathrm{H}_m\right)$ is burnt in air $\left(\mathrm{O}_2+3.78 \mathrm{~N}_2\right)$. The stoichiometric fuel to air mass ratio for this process is Note: Atomic Weight: $\mathrm{C}(12), \...

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

Organic fraction of municipal solid waste (OFMSW) with bulk density of $315 \mathrm{~kg} / \mathrm{m}^3$ and water content of $30 \%$ is mixed with municipal sludge of bulk density $700 \mathrm{~kg} / \mathrm{m}^3$ and w...

The following table gives various components of Municipal Solid Waste (MSW) and a list of treatment/separation techniques. Component of MSW Treatment/separation technique P - Ferrous metals i - Incineration Q - Aluminum...

For assessing the compliance with the emissions standards of incineration plants, a correction needs to be applied to the measured concentrations of air pollutants. The emission standard (based on 11% Oxygen) for HCl is...

An organic waste is represented as C 240 O 200 H 180 N 5 S 5 . (Atomic weights: S-32, H-1, C-12, O-16, N-14). Assume complete conversion of S to SO 2 while burning. SO 2 generated (in grams) per kg of this waste is _____...

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 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?

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...

At a municipal waste handling facility, 30 metric ton mixture of food waste, yard waste, and paper waste was available. The moisture content of this mixture was found to be 10%. The ideal moisture content for composting...

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 C 100 H 250 O 80 N. The waste has to be treated by forced-aeration composting process for which air requirement has to be estima...