Oil from woodthe Wheeler process, has two stages: Add sulfuric acid to wood. This is a very old pretreatment process that dissolves/breaks down lignin making cellulose available. Heat the pulp with calcium hydroxide at 450 degrees Celsius, to remove oxygen. This produces a hydrocarbon mixture similar to crude oil. Distillation produces a petrol fraction with an octane of 80. The acid and calcium hydroxide are recovered. More.. |
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