Premium
Aqueous Choline Chloride/γ‐Valerolactone as Ternary Green Solvent Enhance Al(III)‐Catalyzed Hydroxymethylfurfural Production from Rice Waste
Author(s) -
Ji Qinghua,
Yu Xiaojie,
Chen Li,
Yagoub Abu ElGasim A.,
Zhou Cunshan
Publication year - 2020
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.202000597
Subject(s) - choline chloride , catalysis , chemistry , yield (engineering) , aqueous solution , solvent , chloride , ternary operation , nuclear chemistry , substrate (aquarium) , decomposition , extraction (chemistry) , green chemistry , inorganic chemistry , organic chemistry , ionic liquid , materials science , computer science , programming language , oceanography , metallurgy , geology
A ternary green solvent γ‐valerolactone (GVL)/choline chloride (ChCl)/H 2 O system is used to convert rice waste to hydroxymethylfurfural (HMF) using AlCl 3 ·6H 2 O as a catalyst. The effect of the reaction time, temperature, substrate, catalyst, and catalyst amount on the extraction of HMF by GVL is studied under this system. The results show that in ChCl/H 2 O, GVL/H 2 O, and GVL/ChCl/H 2 O systems, the HMF yield reaches the highest levels of 8.21, 12.24, and 18.60 mol% after reaction at 140 °C for 1 h, respectively. The yield of HMF obtained by reacting 0.42 m m of AlCl 3 ·6H 2 O at 140 °C for 30 min is significantly higher than that of CrCl 3 ·6H 2 O and FeCl 3 ·6H 2 O. After reaction at 140 °C for 5 min, the extraction rate of HMF by GVL reaches more than 80%. The aqueous solution of ChCl forming the ternary system has high recyclability, and after six times, the yield loss of HMF is small.