| http://www.w3.org/ns/prov#value | - To this end, it has now been found that the desired cracking severity, e.g. riser catalytic cracking temperature, for selected product production can be achieved independently of the desired mix zone temperature and without interfering with high conversion when desired by recycling a light hydrocarbon stream, for instance a naphtha product stream or a lower boiling material, as an atomizing quench
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