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Catalyst and method for producing high-octane gasoline from coal-based light oil

A high-octane gasoline and catalyst technology, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as unseen utilization, improve acid function and pore structure, improve production efficiency, The effect of reducing the amount of B acid

Active Publication Date: 2020-07-31
XIAN ORIGIN CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The catalysts in the above-mentioned patents use traditional Mor and Beta or their acid and alkali modified products as supports to support Group VIII metal oxides to hydroisomerize petroleum-based C5 / C6 alkanes, while the research on heavy aromatic alkanes focuses on In the isomerization of C8 aromatics and C9+ aromatics, there is no utilization of heavy alkanes in coal-based light oil containing more naphthenes

Method used

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  • Catalyst and method for producing high-octane gasoline from coal-based light oil
  • Catalyst and method for producing high-octane gasoline from coal-based light oil
  • Catalyst and method for producing high-octane gasoline from coal-based light oil

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Embodiment 1

[0039] The catalyst of this embodiment includes catalyst A and catalyst B. The catalyst A includes a carrier A1 and a noble metal component A2 and a metal oxide component loaded on the carrier A1. The carrier A1 is composed of a hydrogen-type high-silicon Mor molecular sieve, Prepared by hydrogen-type Beta molecular sieve and pseudo-boehmite, SiO in the hydrogen-type high-silicon Mor molecular sieve 2 and Al 2 o 3 The molar ratio is 25, Al in the hydrogen type high silicon Mor molecular sieve, hydrogen type Beta molecular sieve and pseudo-boehmite 2 o 3 The mass ratio is 25:50:25, the precious metal component A2 is Pt, the mass of the Pt is 0.25% of the mass of the carrier A1, the metal oxide component is NiO, and the mass of the NiO is 3.5% of the mass of the carrier A1;

[0040] Catalyst B in this embodiment includes a carrier B1 and a noble metal component B2 loaded on the carrier B1, the carrier B1 is prepared from Ce-SAPO-41 molecular sieve and pseudoboehmite, and the...

Embodiment 2

[0050] The catalyst of this embodiment includes catalyst A and catalyst B. The catalyst A includes a carrier A1 and a noble metal component A2 and a metal oxide component loaded on the carrier A1. The carrier A1 is composed of a hydrogen-type high-silicon Mor molecular sieve, Prepared by hydrogen-type Beta molecular sieve and pseudo-boehmite, SiO in the hydrogen-type high-silicon Mor molecular sieve 2 and Al 2 o 3 The molar ratio is 28, Al in the hydrogen type high silicon Mor molecular sieve, hydrogen type Beta molecular sieve and pseudo-boehmite 2 o 3 The mass ratio is 30:45:25, the precious metal component A2 is Pt, the mass of the Pt is 0.35% of the mass of the carrier A1, the metal oxide component is NiO, and the mass of the NiO is 4.0% of the mass of the carrier A1;

[0051] Catalyst B in this embodiment includes a carrier B1 and a noble metal component B2 loaded on the carrier B1, the carrier B1 is prepared from Ce-SAPO-41 molecular sieve and pseudoboehmite, and the...

Embodiment 3

[0061] The catalyst of this embodiment includes catalyst A and catalyst B. The catalyst A includes a carrier A1 and a noble metal component A2 and a metal oxide component loaded on the carrier A1. The carrier A1 is composed of a hydrogen-type high-silicon Mor molecular sieve, Prepared by hydrogen-type Beta molecular sieve and pseudo-boehmite, SiO in the hydrogen-type high-silicon Mor molecular sieve 2 and Al 2 o 3 The molar ratio is 30, Al in the hydrogen type high silicon Mor molecular sieve, hydrogen type Beta molecular sieve and pseudo-boehmite 2 o 3 The mass ratio is 30:50:20, the precious metal component A2 is Pt, the mass of the Pt is 0.35% of the mass of the carrier A1, the metal oxide component is NiO, and the mass of the NiO is 4.0% of the mass of the carrier A1;

[0062] Catalyst B in this embodiment includes a carrier B1 and a noble metal component B2 loaded on the carrier B1, the carrier B1 is prepared from Ce-SAPO-41 molecular sieve and pseudoboehmite, and the...

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Abstract

The invention discloses a catalyst for preparing high-octane gasoline from coal-based light oil. The catalyst comprises a catalyst A and a catalyst B, wherein the catalyst A comprises a carrier made of a hydrogen-type high-silicon Mor molecular sieve, a hydrogen type Beta molecular sieve and pseudo-boehmite, Pt or Pd carried by the carrier, and NiO or WO3; the catalyst B comprises a carrier whichis made of a Me-SAPO-41 molecular sieve and pseudo-boehmite by using a one-step hydrothermal method, and Pt or Pd carried by the carrier. The invention further discloses a method for preparing the high-octane gasoline from coal-based light oil. According to the method, the catalyst A and the catalyst B are respectively adopted for hydroisomerization reactions on C5-C6 fractions and C7-C10 fractions of the coal-based light oil, and the high-octane gasoline is prepared through blending. The octane values of fractions of different sections are increased, cracking reactions are reduced to the maximum extent, the product yield is increased, and reasonable utilization of C5-C10 coal-based light oil is achieved.

Description

technical field [0001] The invention belongs to the technical field of high-octane gasoline preparation, and in particular relates to a catalyst and a method for preparing high-octane gasoline from coal-based light oil. Background technique [0002] my country's medium and low degree metamorphic coal reserves account for more than 40% of the total coal reserves, and its output accounts for about 30% of the total coal output. At present, the main utilization method of medium and low-grade metamorphic coal is medium-low temperature pyrolysis conversion, and the production capacity has reached a scale of nearly 100 million tons. It has become the fourth coal conversion method in my country besides coking, gasification and liquefaction. 6% to 12% of coal tar by-products will be produced during the medium-low temperature pyrolysis conversion process of medium-low metamorphic coal. According to data, the domestic production of medium-low temperature pyrolysis conversion coal tar i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/80B01J29/85C10G67/00
CPCB01J29/24B01J29/26B01J29/7615B01J29/7815B01J29/80B01J29/85B01J2229/18B01J2229/183C10G67/00
Inventor 崔楼伟顾建峰王新星
Owner XIAN ORIGIN CHEM TECH
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