Petrol

Petrol

a naturally occurring, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. A fossil fuel, it is formed when large quantities of dead organisms, usually zooplankton and algae, are buried underneath sedimentary rock and undergo intense heat and pressure.

Industry: Energy

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Petrol

Dry (coal) basis

Energy; Coal

Coal quality data calculated to at heoretical basis in which no moisture is associated with the sample.This basis is determined by measuring the weight loss of a sample when its inherent moisture is ...

Coal sulphur

Energy; Coal

Coal sulphur occurs in three forms: organic, sulfate, and pyritic. Organic sulphur is an integral part of the coal matrix and cannot be removed by conventional physical separation. sulphate sulphur ...

District chilled water

Energy; Coal

Chilled water from an outside source used as an energy source for cooling in a building. The water is chilled in a central plant and piped into the building. Chilled water may be purchased from a ...

Coal liquefaction

Energy; Coal

A chemical process that converts coal into clean-burning liquid hydrocarbons, such as synthetic crude oil and methanol.

District heat

Energy; Coal

Steam or hot water from an outsidesource used as an energy source in a building The steam or hot water is produced in a central plant and piped into the building. The district heat may be purchased ...

Coal mining productivity

Energy; Coal

Coal mining productivity is calculated by dividing total coal production by the total direct labour hours worked by all mine employees.

Diversity

Energy; Coal

The electric utility system's load is madeup of many individual loads that make demands upon the system usually at different times of the day. The individual loads within the customer classes follow ...