ENV 107 - Solid Waste Management Flashcards

Vocabulary flashcards covering key definitions, waste types, composition statistics, and disposal methods from ENV 107 Lecture 11 on Solid Waste Management.

Waste

Unwanted, useless, damaged, discarded, or harmful substances resulting from human activities.

Solid Waste

Waste material that cannot be easily passed through a pipe and comprises a wide range of materials from a variety of sources.

Liquid Waste

Waste that can be passed through a pipe, such as sewage or watery mud.

Hazardous Waste

Waste that potentially threatens public health or the environment because it is inflammable, reactive, corrosive, or toxic.

Organic Waste

Biodegradable waste originating from plant or animal sources, commonly including food waste.

Recyclable Waste

Waste material that can potentially be processed into new, useful products to reduce the consumption of raw materials.

Global Solid Waste Composition

The breakdown of worldwide solid waste: $46\%$ organic, $18\%$ other, $17\%$ paper, $10\%$ plastic, $5\%$ glass, and $4\%$ metal.

Dhaka City Corporation Waste Composition

The waste profile of Dhaka, comprising $81\%$ food/organic waste, $13\%$ brick chips, dust, and construction waste, $3\%$ textile, $2\%$ plastic, polyethylene, rubber, and leather, $1\%$ paper, $0\%$ glass, and $0\%$ metal, with a rate of $0.56\,kg/ca/day$.

The 3Rs of ISWM

The foundational concept of Integrated Solid Waste Management, standing for Reduce, Reuse, and Recycling.

Integrated Solid Waste Management Plan

A set of management alternatives combining different strategies to properly reduce and/or dispose of waste through sorting, storage, collection, and disposal.

Composting

A waste management process in which organic materials, such as lawn clippings and kitchen scraps, decompose into a rich, soil-like material.

Incineration

The process of burning refuse in a specially designed facility, which can utilize heat to generate electricity but produces residual toxic ash and is expensive.

Open Dump

A site where solid waste is accumulated and piled up without being covered or protected, posing health hazards and environmental pollution.

Landfill

A waste disposal site engineered and monitored to contain wastes by compacting refuse and regularly covering it with a compacted layer of soil and/or clay.

Leachate

A noxious, mineralized liquid that forms when precipitation or moisture percolates through waste in a landfill and mixes with groundwater.