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EFFICIENT METHOD USING LIQUID WATER TO REGENERATE OXYGENATE TO OLEFIN CATALYSTS WHILE INCREASING CATALYST SPECIFICITY TO LIGHT OLEFINS
EFFICIENT METHOD USING LIQUID WATER TO REGENERATE OXYGENATE TO OLEFIN CATALYSTS WHILE INCREASING CATALYST SPECIFICITY TO LIGHT OLEFINS
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机译:在增加轻质烯烃的催化剂比重的同时,利用液态水将氧气再生为烯烃催化剂的高效方法
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摘要
The present invention provides a method for maintaining temperature during regeneration of an oxygenate to olefins catalyst using liquid water as a coolant in an amount sufficient either to reduce duty of a catalyst cooler or to avoid the need to use a catalyst cooler altogether. The method also may be used to hydrotreat fresh, non-hydrothermally treated catalyst which may be added to the regenerator and charged back to the conversion reactor along with the regenerated catalyst.
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