One Question per Day: Methanol Technology Discussion Edition 20180317
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Learn from the advanced practices of the *Brothers section; there are rewards for correct answers – every response earns a reward, allowing us to grow and mature through these Q&A sessions. True or False: Generally, the ratio of basic to acidic substances in coal is used as a basis for determining the ash fusion point. A high ratio results in a low ash melting point ； A low ratio results in a high ash fusion point. Adding limestone CaCO3 increases the content of alkaline substances in coal, raising the alkali-to-acid ratio; thus, it is possible to lower the ash melting point.
Generally, the ratio of alkaline to acidic substances in coal is used as a basis for determining the ash fusion point. A high ratio results in a low ash melting point ； A low ratio results in a high ash fusion point. Adding limestone CaCO3 increases the content of alkaline substances in coal, raising the alkali-to-acid ratio; thus, it is possible to lower the ash melting point. (v)