CATALYTIC HYDROTHERMAL CONVERSION OF BIO-DERIVED SUGARS FOR LACTIC ACID PRODUCTION USING SOL-GEL SYNTHESIZED ZIRCONIA

被引：1

作者：

Piovano, F. A. ^{[1
]}

Aspromonte, S. G. ^{[1
]}

Bergamini, C. V. ^{[2
]}

Gimenez, P. ^{[2
]}

Boix, A. V. ^{[1
]}

机构：

[1] Univ Nacl Litoral FIQ UNL, Inst Invest Catalisis & Petroquim Ingn Jose Migue, CONICET, Santiago Estero 2829, RA-3000 Santa Fe, Argentina

[2] Univ Nacl Litoral FIQ UNL, Inst Lactol Ind INLAIN, CONICET, Santiago Estero 2829, RA-3000 Santa Fe, Argentina

来源：

LATIN AMERICAN APPLIED RESEARCH | 2023年 / 53卷 / 01期

关键词：

experimental design; biomass; xylose; arabinose; glucose; SURFACE-AREA; BIOMASS; GLUCOSE; ZEOLITE;

D O I：

10.52292/j.laar.2023.1145

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The hydrothermal conversion of a multiple sugars solution (xylose, arabinose and glucose) was studied using high surface ZrO2-based catalysts to produce lactic acid. The catalysts were synthesized by template-assisted sol-gel method and alternative template removal procedures. Samples obtained by template extraction with solvent reported a specific surface area of 323 m(2)/g, a pore volume of 0.21 cm(3)/g and a total amount of acid sites of 359 mu mol/g. An experimental design was performed to model lactic acid and by-products obtaining around the selected catalyst. The response surface methodology (RSM) was used to optimize the main operating conditions. A mass selectivity of 35.1 % towards lactic acid was found at 183 degrees C and 212 min. In addition, the reaction mechanisms involved were proposed based on intermediates and degradation compounds detected by HPLC analysis.

引用

页码：1 / 6

页数：6

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