The issue of oxygen-to-carbon atom ratio in water-coal slurry gasification
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Recently, I examined the coal water slurry gasification process packages from several different manufacturers (with various patents), and I noticed that the oxygen-to-carbon atom ratio in each package was 1; however, the industrial analysis data for the raw coals used by these manufacturers varied significantly. Although it is well known that maintaining an oxygen-to-carbon atom ratio of 1 during gasification is optimal, this value is merely theoretical; in practice, it should be higher than 1. As part of the process design, values closer to reality should be used, so why did they still choose 1?
Please, experts, come and help explain this