SCM-33 molecular sieve, preparation method therefor and application thereof

US12384688B2 · kind B2 · utility

Assignees

• CHINA PETROLEUM & CHEMICAL CORPORATION · CN
• SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC · CN

Inventors

• Weimin Yang · Shanghai, CN
• Wenhua FU · Shanghai, CN
• Zhendong WANG · Plano, US
• Zhiqing YUAN · Shanghai, CN
• Jiawei Teng · Shanghai, CN
• Jian QIAO · Shanghai, CN
• Weichuan TAO · Shanghai, CN

Key dates

• Filing date: Oct 28, 2020
• Grant date: Aug 12, 2025
• Expiry date: Dec 9, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/03
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A SCM-33 molecular sieve has a schematic chemical composition as shown in the formula “SiO2·1/x XO1.5·m MO0.5”, wherein X is a framework trivalent element, the Si/X molar ratio x is ≥5, M is a framework equilibrium cation, and the M/Si molar ratio is 0<m≤1. The molecular sieve is a novel molecular sieve with RTE topology and the molecular sieve requires short preparation time, involves a low synthesis cost and can be used as adsorbent or catalyst.