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    • 5. 发明授权
    • Process for cracking hydrocarbon oils
    • 裂解烃油的工艺
    • US07435332B2
    • 2008-10-14
    • US10949298
    • 2004-09-27
    • Jun LongHuiping TianYujian LiuYuxia ZhuZhenyu ChenYaoqing GuoZhijian DaJiushun ZhangMingyuan He
    • Jun LongHuiping TianYujian LiuYuxia ZhuZhenyu ChenYaoqing GuoZhijian DaJiushun ZhangMingyuan He
    • C10G11/00C10G9/00
    • C10G11/05C10G11/04
    • This invention relates to a process for cracking hydrocarbon oils. The process comprises contacting a hydrocarbon oil with a catalyst that has been contacted with an atmosphere containing a reducing gas, separating cracked products and the catalyst, and regenerating the catalyst. The catalyst is a cracking catalyst containing a metal component, or a catalyst mixture of a cracking catalyst containing a metal component and a cracking catalyst free of metal component. The catalyst is contacted with the atmosphere containing a reducing gas at a temperature of 100 to 900° C. for at least 1 second, and the amount of the atmosphere containing a reducing gas is not less than 0.03 cubic meters of reducing gas per ton of the cracking catalyst containing a metal component per minute, at a pressure of 0.1-0.5 MPa in the reduction reactor. The process has enhanced capability for desulfurizing and cracking heavy oils.
    • 本发明涉及一种裂解烃油的方法。 该方法包括使烃油与已经与含有还原气体的气氛接触的催化剂接触,分离裂化产物和催化剂,并再生催化剂。 催化剂是含有金属组分的裂化催化剂,或含有金属组分的裂化催化剂和不含金属组分的裂化催化剂的催化剂混合物。 催化剂与含有还原气体的气氛在100〜900℃的温度下接触1秒以上,含有还原气体的气氛量不低于0.03立方米/ 裂化催化剂在还原反应器中以0.1-0.5MPa的压力每分钟含有金属组分。 该工艺提高脱硫和重油的能力。
    • 7. 发明授权
    • Rare earth y-zeolite catalyst for cracking hydrocarbons and a method for preparing same
    • 用于裂解烃的稀土y沸石催化剂及其制备方法
    • US07514385B2
    • 2009-04-07
    • US10533488
    • 2003-10-28
    • Jun DuZheng LiZhijian DaMingyuan He
    • Jun DuZheng LiZhijian DaMingyuan He
    • B01J29/06
    • C10G47/02B01J29/088B01J2229/16B01J2229/32B01J2229/36B01J2229/40B01J2229/42C10G11/05C10G47/16C10G2300/107C10G2300/1074C10G2300/1077C10G2400/02C10L1/06
    • The invention discloses a rare-earth Y-zeolite-containing catalyst for cracking hydrocarbons and a method for preparing the same. The catalyst is characterized in that the rare-earth content in crystal lattice of the rare-earth Y-zeolite, calculated in RE2O3, is from 4 to 15% by weight, the original unit cell size is from 2.440 nm to 2.465 nm and the equilibrium unit cell size after 100% steam-aging treatment at 800° C. for 17 hours is larger than 2.435 nm. The catalyst is obtained in the following steps: the rare-earth Y-zeolite is dried first till its water content less than 10% by weight, then in a weight ratio of SiCl4:Y-zeolite=0.1˜0.9:1, reacts with SiCl4 gas carried by dry air, further is purged by dry air and washed by decationized water to remove the soluble by-products; the resulted rare-earth Y-zeolite is mixed with a binder and a clay, pulped and formed by spary drying. The zeolite content of the catalyst disclosed in present invention decreases 5˜25% by weight compared to the catalyst prepared in prior art for cracking heavy oil and decreasing olefin content. The catalyst is characterized with good cracking activity, high hydrothermal stability, and high conversion of heavy oil as well as excellent selectivity of gasoline, dry gas and coke; moreover, the olefin content in the produced gasoline decreases effectively.
    • 本发明公开了一种用于裂化烃的稀土Y-沸石催化剂及其制备方法。 催化剂的特征在于稀土Y-沸石的晶格中的稀土含量以RE 2 O 3计算,为4〜15重量%,原始晶胞尺寸为2.440nm〜2.465nm, 在800℃下进行100%蒸汽老化处理17小时后的平衡晶胞尺寸大于2.435nm。 催化剂按以下步骤得到:稀土Y-沸石首先被干燥,直到其含水量低于10重量%,然后以SiCl 4 :Y-沸石= 0.1〜0.9:1的重量比与 由干燥空气携带的SiCl 4气体,进一步用干燥空气清洗,并用去离子水洗涤以除去可溶性副产物; 将所得到的稀土Y沸石与粘合剂和粘土混合,通过喷雾干燥制浆并形成。 与现有技术中制备的催化剂相比,本发明公开的催化剂的沸石含量降低了5〜25重量%,用于裂化重油和降低烯烃含量。 催化剂的特点是具有良好的开裂活性,高水稳定性,重油转化率高,以及汽油,干气和焦炭的优异选择性; 此外,生产汽油中的烯烃含量有效降低。