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公开(公告)号:US11052381B2
公开(公告)日:2021-07-06
申请号:US16484063
申请日:2018-02-12
发明人: Lingping Zhou , Weilin Zhang , Mingde Xu , Zhenyu Chen , Huiping Tian , Yuxia Zhu
IPC分类号: C01B39/24 , B01J29/08 , B01J29/85 , C10G11/05 , B01J21/04 , B01J35/10 , B01J37/06 , B01J37/10 , B01J37/28 , B01J37/30
摘要: A modified Y-type molecular sieve has a rare earth oxide content of about 4% to about 12% by weight, a phosphorus content of about 0% to about 10% by weight, a sodium oxide content of no more than about 1.0% by weight, a total pore volume of about 0.36 to 0.48 mL/g, a percentage of the pore volume of secondary pores to the total pore volume of about 20% to about 40%, a lattice constant of about 2.440 nm to about 2.455 nm, a percentage of the non-framework aluminum content to the total aluminum content of no more than about 10%, a lattice collapse temperature of not lower than about 1060° C., and a ratio of Brønsted acid to Lewis acid of no less than about 3.50. The preparation of the molecular sieve includes ion-exchange with rare earth, hydrothermal roasting, gas phase ultra-stabilization, acid treatment, and an optional phosphorus modification.
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公开(公告)号:US10888848B2
公开(公告)日:2021-01-12
申请号:US16484418
申请日:2018-02-12
发明人: Lingping Zhou , Weilin Zhang , Mingde Xu , Zhenyu Chen , Huiping Tian , Yuxia Zhu
IPC分类号: B01J29/06 , B01J29/08 , B01J35/10 , C01B39/24 , C10G11/04 , B01J35/00 , B01J37/28 , B01J37/02 , B01J37/00 , B01J37/10 , B01J37/30
摘要: A catalytic cracking catalyst has a rare earth modified Y-type molecular sieve, an additive-containing alumina binder, and a clay. The rare earth modified Y-type molecular sieve has a rare earth oxide content of about 4-12 wt %, a phosphorus content of about 0-10 wt %, a sodium oxide content of no more than about 1.0 wt %, a total pore volume of about 0.36-0.48 mL/g, a percentage of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of about 20-40%, a lattice constant of about 2.440-2.455 nm, a percentage of non-framework aluminum content to the total aluminum content of no more than about 10%, a lattice collapse temperature of not lower than about 1060° C., and a ratio of B acid to L acid in the total acid content of the modified Y-type molecular sieve of no less than about 3.50.
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公开(公告)号:US11541377B2
公开(公告)日:2023-01-03
申请号:US17268684
申请日:2019-08-20
发明人: Hao Sha , Lingping Zhou , Shuai Yuan , Weilin Zhang , Zhenyu Chen , Mingde Xu , Huiping Tian
IPC分类号: B01J29/08 , B01J37/30 , C10G11/05 , B01J37/10 , B01J21/04 , B01J21/16 , B01J35/10 , B01J37/02 , C07C4/06
摘要: A modified Y-type molecular sieve has a rare earth content of about 4-11% by weight on the basis of rare earth oxide, a sodium content of no more than about 0.5 wt % by weight on the basis of sodium oxide, a zinc content of about 0.5-5% by weight on the basis of zinc oxide, a phosphorus content of about 0.05-10% by weight on the basis of phosphorus pentoxide, a framework silica-alumina ratio of about 7-14 calculated on the basis of SiO2/Al2O3 molar ratio, a percentage of non-framework aluminum content to the total aluminum content of no more than about 10%, and a percentage of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of about 20-40%. The modified Y-type molecular sieve has a high crystallinity and a high thermal and hydrothermal stability, and is rich in secondary pores.
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公开(公告)号:US11517886B2
公开(公告)日:2022-12-06
申请号:US17256938
申请日:2019-06-27
发明人: Shuai Yuan , Lingping Zhou , Huiping Tian , Zhenyu Chen , Weilin Zhang , Hao Sha
IPC分类号: B01J29/08 , C10G11/05 , B01J35/00 , B01J35/10 , B01J37/00 , B01J37/04 , B01J37/06 , B01J37/10 , B01J37/30
摘要: A modified Y-type molecular sieve has a modifying metal content of about 0.5-6.3 wt % calculated on the basis of an oxide of the modifying metal and a sodium content of no more than about 0.5 wt % calculated on the basis of sodium oxide. The modifying metal is magnesium and/or calcium. The modified Y-type molecular sieve has a proportion of non-framework aluminum content to the total aluminum content of no more than about 20%, a total pore volume of about 0.33-0.39 ml/g, a proportion of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of about 10-25%, a lattice constant of about 2.440-2.455 nm, a lattice collapse temperature of not lower than about 1040° C., and a ratio of B acid to L acid in the total acid content of no less than about 2.30.
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公开(公告)号:US11504702B2
公开(公告)日:2022-11-22
申请号:US17256943
申请日:2019-06-27
发明人: Shuai Yuan , Lingping Zhou , Huiping Tian , Hao Sha , Zhenyu Chen , Weilin Zhang
IPC分类号: B01J29/08 , C10G11/05 , B01J35/00 , B01J35/10 , B01J37/00 , B01J37/04 , B01J37/06 , B01J37/10 , B01J37/30
摘要: A modified Y-type molecular sieve having a calcium content of about 0.3-4 wt % calculated on the basis of calcium oxide, a rare earth content of about 2-7 wt % calculated on the basis of rare earth oxide, and a sodium content of no more than about 0.5 wt % calculated on the basis of sodium oxide. The modified Y-type molecular sieve has a total pore volume of about 0.33-0.39 ml/g, a proportion of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of about 10-25%, a lattice constant of about 2.440-2.455 nm, a proportion of non-framework aluminum content to the total aluminum content of no more than about 20%, a lattice collapse temperature of not lower than about 1050° C., and a ratio of B acid to L acid in the total acid content of no less than about 2.30.
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公开(公告)号:US11517887B2
公开(公告)日:2022-12-06
申请号:US17268014
申请日:2019-08-15
发明人: Lingping Zhou , Hao Sha , Mingde Xu , Weilin Zhang , Shuai Yuan , Zhenyu Chen , Qiuqiao Jiang , Huiping Tian
摘要: A modified Y-type molecular sieve has a rare earth content of about 4% to about 11% by weight on the basis of the oxide, a phosphorus content of about 0.05% to about 10% by weight on the basis of P2O5, a sodium content of no more than about 0.5% by weight on the basis of sodium oxide, and an active element content of about 0.1% to about 5% by weight on the basis of the oxide, with the active element being gallium and/or boron. The modified Y-type molecular sieve has a total pore volume of about 0.36 mL/g to about 0.48 mL/g, a percentage of the pore volume of secondary pores having a pore size of 2-100 nm of about 20% to about 40%; a lattice constant of about 2.440 nm to about 2.455 nm, and a lattice collapse temperature of not lower than about 1060° C.
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公开(公告)号:US11130917B2
公开(公告)日:2021-09-28
申请号:US17268371
申请日:2019-08-20
发明人: Hao Sha , Lingping Zhou , Shuai Yuan , Weilin Zhang , Zhenyu Chen , Mingde Xu , Huiping Tian
摘要: A modified Y-type molecular sieve has a rare earth content of about 4-11% by weight on the basis of rare earth oxide, a sodium content of no more than about 0.7% by weight on the basis of sodium oxide, a zinc content of about 0.5-5% by weight on the basis of zinc oxide, a phosphorus content of about 0.05-10% by weight on the basis of phosphorus pentoxide, a framework silica-alumina ratio of about 7-14 calculated on the basis of SiO2/Al2O3 molar ratio, a percentage of non-framework aluminum content to the total aluminum content of no more than about 20%, and a percentage of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of about 15-30%. The modified Y-type molecular sieve has a high crystallinity, a structure comprising secondary pores, and a high thermal and hydrothermal stability.
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公开(公告)号:US11053129B2
公开(公告)日:2021-07-06
申请号:US16484880
申请日:2018-02-12
发明人: Lingping Zhou , Weilin Zhang , Mingde Xu , Zhenyu Chen , Huiping Tian , Yuxia Zhu
摘要: A magnesium modified Y-type molecular sieve has a rare earth oxide content of about 4% to about 11% by weight, a magnesium oxide content of about 0.1% to about 4% by weight, a sodium oxide content of about 0.3% to about 0.8% by weight, a total pore volume of about 0.33 mL/g to about 0.39 mL/g, a percentage of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of the modified Y-type molecular sieve of about 10% to about 30%, a lattice constant of about 2.440 nm to about 2.455 nm, a percentage of non-framework aluminum content to the total aluminum content of the modified Y-type molecular sieve of no more than about 20%, and a lattice collapse temperature of not lower than about 1045° C.
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