Clean coal technology refers to a gathering of technologies being created in order to reduce the environmental influence of coal energy production and to mitigate global climate change. There are three distinct technological procedures accessible for the aim of capturing carbon as demanded by the clean coal concept:
1. Pre-combustion capture: This includes gasification of a feedstock like coal to generate gas that may be shifted to develop a mixture of carbon dioxide and hydrogen gas, from which the carbon dioxide can be effectively separated and captured, transported, and eventually sequestered.
2. Post-combustion capture: This is the capturing of carbon dioxide from the exhaust gases of combustion methods.
3. Oxy-fuel combustion: The fossil fuels like coal are combusted in a mixture of oxygen and recirculated flue gas, rather than in air that hugely withdraws nitrogen from the flue gas allowing capturing of low-cost and efficient carbon dioxide.
An initial example of a coal-based plant utilizing carbon capturing technology is a Swedish company Vattenfall's Schwarze Pumpe power station situated in Germany.
Answer:
Xylem & Phloem are two types of vascular tissue found in plants.
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Explanation:
Standing crop is the biomass or living matter of biotic components of an ecosystem at a particular time. It represents the entire living matter (biomass). ... Standing state can be defined as the amount of inorganic nutrients found in an ecosystem. It represents the part of non-living matter.
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Mimicry
Explanation:
This can be defined as the superficial (appearing to be real until closely viewed) resemblance of two or more organisms that are not closely related. This resemblance confers an advantage maybe protection from predation upon one or both organisms by which the organisms deceive the animal agent which might be a predator. there are various types of mimicry which includes Batesian mimicry, Mullerian micmicry, Automimicry, Aggressive mimicry and other forms which do not fit into the above.
