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单词 petroleum isomerization process
释义 petroleum isomerization process
[pǝ`trō·lē·ǝm ī´säm·ǝ·rǝ`zā·shǝn ´prä·sǝs]
CHEMICAL ENGINEERING
A fixed-bed, vapor-phase petroleum-refinery process using a precious-metal catalyst and external hydrogen; feedstocks include natural gas, pentane, and hexane cuts; the product is high-octane blending stock.
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