Glossary P
The Environmental Glossary. Letter P +++ Popular Articles: 'Periplaneta americana', 'Paper Mill Sludge', 'Particle'
Deutsch: Pentan / Español: Pentano / Português: Pentano / Français: Pentane / Italiano: Pentano
Pentane in the environmental context refers to a hydrocarbon compound with the chemical formula C₅H₁₂. It is an alkane composed of five Carbon atoms and is commonly used as a solvent, blowing agent in foam production, and in energy applications. Pentane plays a role in industrial processes but also has implications for air quality, Greenhouse gas emissions, and sustainable practices.
A Pentanes plus is a mixture of hydrocarbons, mostly pentanes and heavier fractions, extracted from natural gas.
Per capita ecological footprint is amount of biologically productive land and water needed to supply each person or population with the renewable resources they use and to absorb or dispose of the wastes from such resource use.
Per capita GDP is the Annual Gross domestic product (GDP) of a country divided by its total population at midyear. It gives the average slice of the economic pie per person. Used to
A per capita use is the average amount of water used per person during a standard time period, generally per day.
A Percentile is any one of the points dividing a distribution of values into parts each of which contain 1/100 of the values. For example, the 75th percentile is a value
A Percolation is the movement of groundwater from the unsaturated zone to the saturated zone