| http://www.w3.org/ns/prov#value | - I have found that the avoidance of S03 distillation is the result of a combination of reasons, comprising mainly first the fact that at the gas exit end of the retort the temperatures are too low for the distillation of SOs, second, the fact that the range of reacting temperatures in the retort is suitably governed, and third, the fact that the rate of bringing up the sludge to the reaction temper
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