Mono- and bimetallic (Ru-Co) polymeric catalysts for levulinic acid hydrogenation

被引：19

作者：

Grigorev, Maxim E. ^{[1
]}

Mikhailov, Stepan P. ^{[1
]}

Bykov, Alexey, V ^{[1
]}

Sidorov, Alexander, I ^{[1
]}

Tiamina, Irina Yu ^{[1
]}

Vasiliev, Alexandre L. ^{[2
]}

Nikoshvili, Linda Zh ^{[1
]}

Matveeva, Valentina G. ^{[1
,3
]}

Meneghetti, Simoni M. Plentz ^{[4
]}

Sulman, Mikhail G. ^{[1
]}

Sulman, Esther M. ^{[1
]}

机构：

[1] Tver Tech Univ, Dept Biotechnol Chem & Standardizat, Tver 170026, Russia

[2] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia

[3] Tver State Univ, Reg Technol Ctr, Tver 170100, Russia

[4] Univ Fed Alagoas, Inst Quim & Biotecnol, Av Lourival de Melo Mota S-N,Cidade Univ, BR-57072970 Maceio, Alagoas, Brazil

来源：

CATALYSIS TODAY | 2021年 / 378卷

基金：

俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

Levulinic acid; Gamma-valerolactone; Hyper-crosslinked polystyrene; Ruthenium; Cobalt; Catalytic hydrogenation; GAMMA-VALEROLACTONE; SELECTIVE HYDROGENATION; HYPERCROSSLINKED POLYSTYRENE; BIOMASS; CONVERSION; EFFICIENT; PRECURSOR; CHEMICALS; PLATFORM; SOLVENT;

D O I：

10.1016/j.cattod.2020.11.023

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Levulinic acid (LA) is one of the substances, which can be obtained from cellulosic biomass via acid hydrolysis and serves as a precursor in the synthesis of gamma-valerolactone (GVL) - platform chemical for so-called valeric fuels. This work is devoted to the study of catalytic conversion of LA to GVL using mono-(Ru) and bimetallic (RuCo) catalysts based on ruthenium-containing nanoparticles immobilized in hyper-crosslinked polystyrene (HPS). It was shown that RuO2 nanoparticles are an active phase of HPS-based Ru catalysts, which allow nearly 100 % yield of GVL at 120 degrees C and 2 MPa of hydrogen partial pressure for the reaction time 60 min. Introduction of cobalt in catalyst composition in a proper amount (Ru-to-Co weight ratio is 30) was found to result in Ru redistribution inside the polymeric support and, in turn, to the increase of reaction rate of LA hydrogenation.

引用

页码：167 / 175

页数：9

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