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    • 3. 发明申请
    • Gasoline production by olefin polymerization
    • 汽油生产通过烯烃聚合
    • US20060194999A1
    • 2006-08-31
    • US11362257
    • 2006-02-27
    • Stephen BrownGeorges MathysJane ChengJeffrey ElksAjit DandekarBenjamin UmanskyMichael Clark
    • Stephen BrownGeorges MathysJane ChengJeffrey ElksAjit DandekarBenjamin UmanskyMichael Clark
    • C07C2/68
    • C10G50/00C10G2400/02
    • Solid phosphoric acid (SPA) olefin oligomerization process units may be converted to operation with a more environmentally favorable solid catalyst. The SPA units in which a light olefin feed is oligomerized to form gasoline boiling range hydrocarbon product, is converted unit to operation with a molecular sieve based olefin oligomerization catalyst comprising an MWW zeolite material. Besides being more environmentally favorable in use, the MWW based zeolites offer advantages in catalyst cycle life, selectivity and product quality. After loading of the catalyst, the converted unit is operated as a fixed-bed unit by passing the C2-C4 olefinic feed to a fixed bed of the MWW zeolite condensation catalyst, typically at a temperature from 150 to 250° C., a pressure not greater than 7000 kPag, usually less than 4000 kPag and a space velocity up to 30 WHSV. The gasoline boiling range product is notable for a high level of branched chain octenes resulting in high octane quality.
    • 固体磷酸(SPA)烯烃低聚过程单元可以转化为具有更环保的固体催化剂的操作。 将轻烯烃进料低聚以形成汽油沸程烃产物的SPA单元通过包含MWW沸石材料的基于分子筛的烯烃低聚催化剂转化为操作。 除了在使用环境方面更有利,基于MWW的沸石提供了催化剂循环寿命,选择性和产品质量的优点。 载入催化剂后,转化的单元通过将C 2 -C 4亚烷基烯烃进料转移到MWW沸石冷凝物的固定床上作为固定床单元进行操作 催化剂,通常在150-250℃的温度下,压力不大于7000kPag,通常小于4000kPag,空速可达30WHSV。 汽油沸点范围产品对于高水平的支链辛烯是显着的,导致高辛烷值。