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    • 1. 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。
    • 3. 发明授权
    • Rare earth zeolite Y and the preparation process thereof
    • 稀土沸石Y及其制备方法
    • US06991774B2
    • 2006-01-31
    • US10811865
    • 2004-03-30
    • Jun DuZheng LiZhijian DaMingyuan He
    • Jun DuZheng LiZhijian DaMingyuan He
    • B01J29/08
    • C01B39/026B01J29/084B01J2229/16C01B39/24C10G11/05Y10S423/21
    • The present invention discloses a high stability rare earth zeolite Y with high rare earth and the preparation process thereof, which zeolite has a content of rare earth of 4–15 wt %, a unit cell constant of 2.450–2.458 nm, a differential thermal collapsed temperature of 1000–1056° C., a silica to alumina ratio of 8.3–8.8, and a content of sodium oxide less than 1.0 wt %. Said zeolite is prepared by drying a rare earth-containing zeolite Y, introducing gaseous silicon tetrachloride carried by dry air and reacting at a temperature of 150–600° C. for 10 min to 6 h, then purging with dry air and washing with de-cationized water to remove the soluble by-products. The rare earth zeolite Y possesses high activity and selectivity for cracking the heavy oils, high activity for hydrogen transfer, has good coke selectivity, can effectively increase the yield of light oils, and improve the quality of gasoline and thus can directly serve as an active component for preparing various hydrocarbon cracking catalysts.
    • 本发明公开了一种具有高稀土的高稳定性稀土沸石Y及其制备方法,该沸石的稀土含量为4-15重量%,单位晶胞常数为2.450-2.458纳米,差热分解 温度为1000-1056℃,二氧化硅与氧化铝之比为8.3-8.8,氧化钠含量小于1.0重量%。 所述沸石通过干燥含稀土的沸石Y,引入由干燥空气携带的四氯化硅并在150-600℃的温度下反应10分钟至6小时,然后用干燥空气吹扫并用de 电解水以除去可溶性副产物。 稀土沸石Y具有高重力油裂解活性和选择性,氢转移活性高,焦炭选择性好,能有效提高轻油产率,提高汽油质量,可直接作为活性炭 制备各种烃裂解催化剂的组分。
    • 6. 发明申请
    • Petroleum Hydrocarbon cracking catalyst that contains rare earth zeolitey and its preparation
    • 含有稀土沸石的石油烃裂解催化剂及其制备方法
    • US20060199725A1
    • 2006-09-07
    • US10533488
    • 2003-10-28
    • Jun DuZheng LiZhijian DaMingyuan He
    • Jun DuZheng LiZhijian DaMingyuan He
    • B01J29/08B01J21/00
    • 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,在RE 2 O 3 3中计算的稀土Y-沸石的晶格中的稀土含量为4〜15% ,原始晶胞尺寸为2.440nm至2.465nm,并且在800℃下经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:首先将稀土Y-沸石干燥至其含水量低于10重量%,然后以SiCl 4重量比:Y-沸石= 0.1〜0.9:1,与干燥空气携带的SiCl 4气体反应,进一步用干燥空气清洗,用去离子水洗涤除去可溶性副产物; 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。
    • 8. 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。