Isoreticular metal organic framework used for shape selective hydrogenolysis of polyethylene, comprises single-site metal-hydride, dihydride or alkyl catalyst having varying pore sizes, where single-site metal-hydride, dihydride or -alkyl catalyst ensures systematic cleavage of carbon-carbon bond
	KALITA R; CHAUHAN M; MANNA K
	2023-09-27
专利权人	INDIAN INST TECHNOLOGY DELHI (IITD-C)
申请日期	2023-09-27
专利号	IN202311064737-A
成果简介	NOVELTY - Isoreticular metal organic framework comprises single-site metal-hydride, dihydride or alkyl catalyst having varying pore sizes. The single-site metal-hydride, dihydride or -alkyl catalyst ensures a systematic cleavage of the carbon-carbon (sp3) bond via hydrogenolysis of polymers into targeted liquid products within a determined molecular weight range. USE - Isoreticular metal organic framework used for shape selective hydrogenolysis of polyethylene (claimed). ADVANTAGE - The isoreticular metal organic framework can produce a mixture of gaseous and liquid/wax hydrocarbons with 100 % conversion and less than 7% selectivity for gases, and enable highly efficient upcycling of plastic wastes under mild conditions owing to their unique combination of coordinatively unsaturated single-site Ru-active sites, uniform and tunable pores, well-defined porous structure, and superior stability. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: 1. a process of synthesis of an isoreticular single-site metal organic framework catalyst, which involves: (a) synthesizing UiO-66 (Universitetet i Oslo 66), using 1,4-benzenedicarboxylic acid and zirconium chloride (ZrCl4) in dimethylformamide (DMF), dissolving benzenedicarboxylic acid of about 0.05 to 0.25 g in about 1.2 to 6 mL DMF;(b)dissolving ZrCl4of about 65-345mg in about 1.2 to 6 mL DMF to form a solution;(c) mixing and heating solution at about 100-130℃; (d)centrifuging the solution to obtain a white solid of UiO-66 in tetrahydrofuran (THF);(d) synthesizing UiO-66-ruthenium dichloride (RuCl2) by adding n-Butyllithium (n-BuLi) to the slurry of UiO-66to form a mixture;(e) stirring the mixture to form a solid;(f)washing the solid with THF to remove the excess n-BuLi;(g)adding a THF solution of ruthenium(III) chloride trihydrate (RuCl3.3H2O) to the washed solid to form a mixture; (h)stirring the mixture at room temperature to obtain a suspension; (i)washing the resultant black solid with THF and ethyl acetate to remove any excess ruthenium to obtain UiO-66-RuCl2; and 2. a process of shape selective hydrogenolysis of polyethylene using hydrogen (H2) in presence of metal organic framework (MOF) catalyst, which involves: charging MOF catalyst and polyethylene into a high pressure reactor, sealing and charging the reactor with hydrogen, pressurizing the reactor with H2and heating at 150 to 250℃, where the product obtained is analyzed by gas chromatography (GC).
IPC 分类号	B01J-020/22 ; B01J-027/20 ; B01J-031/16 ; B01J-031/22 ; C01F-017/00 ; C07B-035/02 ; C08F-004/64
国家	印度
专业领域	化学化工
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/20217
专题	中国科学院新疆生态与地理研究所
作者单位	INDIAN INST TECHNOLOGY DELHI (IITD-C)
推荐引用方式 GB/T 7714	KALITA R,CHAUHAN M,MANNA K. Isoreticular metal organic framework used for shape selective hydrogenolysis of polyethylene, comprises single-site metal-hydride, dihydride or alkyl catalyst having varying pore sizes, where single-site metal-hydride, dihydride or -alkyl catalyst ensures systematic cleavage of carbon-carbon bond. IN202311064737-A[P]. 2023.

条目包含的文件
条目无相关文件。

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。