REFINERY BY-PRODUCT Crossword Clue

The most common solution for the crossword clue "REFINERY BY-PRODUCT" are SLAG with 4 letters.
We know 2 solutions for: REFINERY BY-PRODUCT
Crossword Puzzle Infos
The term REFINERY BY-PRODUCT is used to describe the materials that are produced as a result of refining crude oil. The two crossword solutions for this term are SLAG, which is a glass-like by-product of smelting ore, and ETHANE, which is a hydrocarbon gas that is a major component of natural gas and petroleum.
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