Yearly Archives: 2001

EU predicts growth in incineration

The amount of municipal solid waste (MSW) incinerated in the EU is expected to increase from 31 million tonnes per year (Mtpa) in 1990 to 56 The amount of municipal solid waste (MSW) incinerated in the EU is expected to increase from 31 million tonnes per year (Mtpa) in 1990 …

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A papelada do seu escritório voltou-se contra você?

A PAPELADA DO SEU ESCRITÓRIO VOLTOU-SE CONTRA VOCÊ A papelada do seu escritório voltou-se contra você?   O que houve com aquele seu escritório sem papéis? O uso de papel para cópias está aumentando a passos largos. De acordo com a Associação Americana para Florestas e Papel, a indústria de …

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PERCOLATION

Means 1)The movement of water downward and radially through the sub-surface soil layers, usually continuing downward to the ground water. Source:l World Bank. 2) movement of water throught soil or rock. Source: North Carolina Cooperative Extension Service

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DENITRIFICATION

Means: Biochemical conversion or nitrate (NO3) to nitrite (NO2), ammonia (NH3), and free nitrogen (N), as in soil by microorganisms. Source: North Carolina Cooperative Extension Service – Water Quality & Waste Management – Prepared by: Gregory D. Jenning

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COMPOSTING

1)The natural biological decomposition of organic material in the presence of air to form a humus-like material. Controlled methods of composting include mechanical mixing and aerating, ventilating the materials by dropping them through a vertical series

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CHEMICAL OXYGEN DEMAND (COD)

Means: 1) A measure of the oxygen required to oxidize all compounds in water, both organic and inorganic. Source: World Bank. 2) Laboratory measurement of the amount of oxygen used in chemical reactions that occur in water as a result of the addition of w

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AMBIENT MONITORING

Means: Performed to determine existing environmental conditions or contaminant levels in the environment, against which future conditions can be compared. Source: North Carolina Cooperative Extension Service – Water Quality & Waste Management – Prepared b

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DEGRADATION

Means 1)The process by which a chemical is reduced to a less complex form. Source: World Bank. 2)To wear down, reduce to lower quality, by erosion or reduce the complexity of a chemical compound. Source: EPA Region 5 and Agricultural & Biological Enginee

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NIMBY

“Not In My Back Yard”. An expression of resident opposition to the siting of a solid waste facility based on the particular location proposed. Source: UNEP-IETC, International Source on Environmentally Sound Technologies for Muicipal Management

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