loss on ignition

abbr. LOI
Coke that is added to coal in a furnace originally designed for coal, may not fully burn in the furnace. Some coke particles escape the flame envelope and are caught by the precipitators or bag houses. This LOI results in reduced furnace efficiency and some carbon contamination of the flue gas ash recovered.

Petroleum refining glossary. 2013.

Look at other dictionaries:

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