Metal-exchanged magnetic β-zeolites: valorization of lignocellulosic biomass-derived compounds to platform chemicals

2017 ◽  
Vol 19 (16) ◽  
pp. 3856-3868 ◽  
Author(s):  
Erlen Y. C. Jorge ◽  
Thiago de M. Lima ◽  
Carolina G. S. Lima ◽  
Lucas Marchini ◽  
William N. Castelblanco ◽  
...  

An array of Pd, Fe and Ir exchanged β-zeolites were synthesized, fully characterized, and their catalytic activity evaluated in converting bio-derived compounds to value-added platform chemicals.

Processes ◽  
2021 ◽  
Vol 9 (7) ◽  
pp. 1234
Author(s):  
Zhiwei Jiang ◽  
Di Hu ◽  
Zhiyue Zhao ◽  
Zixiao Yi ◽  
Zuo Chen ◽  
...  

Efficient conversion of renewable biomass into value-added chemicals and biofuels is regarded as an alternative route to reduce our high dependence on fossil resources and the associated environmental issues. In this context, biomass-based furfural and levulinic acid (LA) platform chemicals are frequently utilized to synthesize various valuable chemicals and biofuels. In this review, the reaction mechanism and catalytic system developed for the generation of furfural and levulinic acid are summarized and compared. Special efforts are focused on the different catalytic systems for the synthesis of furfural and levulinic acid. The corresponding challenges and outlooks are also observed.


2021 ◽  
Vol 55 (3-4) ◽  
pp. 207-222
Author(s):  
RAMANDEEP KAUR ◽  
PUNEET KAUR

"The potential of non-edible lignocellulosic biomass paves the path to sustainable economy. A large number of valueadded products have been synthesized by the fractionation of the major components of biomass, i.e. cellulose, hemicelluloses and lignin. Cellulose, the most abundant biopolymer on earth, serves as a starting material for the synthesis of various platform chemicals, such as sorbitol, 5- hydroxylmethylfurfural (HMF), dimethylfuran and levulinic acid. Hydrogels and aerogels fabricated from cellulose, modified cellulose or nanocellulose have proved valuable in a wide range of such as biomedical, food and technological applications. Cellulose-based polymers or bioplastics also emerged as an alternative to fossil fuel-based polymers. In this review, chemical paths to valorize plant cellulose for producing various value-added products have been discussed. The major challenge for valorization is the development of novel and green synthesis methods with simultaneous focus on an integrated approach."


2018 ◽  
Vol 2018 ◽  
pp. 1-21 ◽  
Author(s):  
Guangbi Li ◽  
Wei Liu ◽  
Chenliang Ye ◽  
Xiaoyun Li ◽  
Chuan-Ling Si

Chemocatalytic transformation of lignocellulosic biomass to value-added chemicals has attracted global interest in order to build up sustainable societies. Cellulose, the first most abundant constituent of lignocellulosic biomass, has received extensive attention for its comprehensive utilization of resource, such as its catalytic conversion into high value-added chemicals and fuels (e.g., HMF, DMF, and isosorbide). However, the low reactivity of cellulose has prevented its use in chemical industry due to stable chemical structure and poor solubility in common solvents over the cellulose. Recently, homogeneous or heterogeneous catalysis for the conversion of cellulose has been expected to overcome this issue, because various types of pretreatment and homogeneous or heterogeneous catalysts can be designed and applied in a wide range of reaction conditions. In this review, we show the present situation and perspective of homogeneous or heterogeneous catalysis for the direct conversion of cellulose into useful platform chemicals.


2020 ◽  
Author(s):  
◽  
Nanthakumar Arumugam ◽  

Lignocellulosic biomass is the most abundant plant material present on earth which is primarily composed of cellulose, hemicellulose and lignin. The composition of lignocellulosic biomass varies depending on the type of plant material and the conditions at which the plant grow. Exploration of lignocellulose for the production of value-added compounds including all types of platform chemicals, biofuels and bioactive compounds is gaining momentum. However, extensive research needs to the carried out to minimize the cost of production to make the processing of this biomass more viable. In the last two decades, several agricultural biomass types have been studied to facilitate the production of biochemicals and biofuels at a low cost. Biomass such as peanut shells, bambara, cowpea and sorghum are some of the indigenous crops of South Africa that are yet to be explored for value addition. Therefore, this study was designed to characterize the underutilized agro-residues such as peanut shell, bambara, cowpea and sorghum biomass for the enzymatic production of prebiotic xylooligosaccharides (XOS) and their application.


2020 ◽  
Vol 16 ◽  
Author(s):  
Mahdieh Sharifi ◽  
Ramyakrishna Pothu ◽  
Rajender Boddula ◽  
Inamuddin

Background: There is a developing demand for innovation in petroleum systems replacements. Towards this aim, lignocellulosic biomass suggested as a possible sustainable source for the manufacturing of fuels and produced chemicals. The aims of this paper are to investigate different kinds of β-O-4 lignin model compounds for the production of value-added chemicals in presence of ionic liquids. Especially, a cheap β-O-4 lignin model Guaiacol glycerol ether (GGE) (Guaifenesin) is introduced to produce valuable chemicals and novel products. Methods: Research related to chemical depolymerization of lignocellulosic biomass activity is reviewed, the notes from different methods such as thermal and microwave collected during at least 10 years. So, this collection provides a good source for academic research and it gives an efficient strategy for the manufacturing of novel value-added chemicals at an industrial scale. Results: This research presented that ionic liquid microwave-assisted is a power saving, cost efficient, fast reaction, and clean way with high selectively and purity for production of high value chemicals rather that conversional heating. Guaiacol and catechol are some of these valuable chemicals that is produced from β-O-4 lignin model compounds with high word demands that are capable to produce in industry scale. Conclusion: The β-O-4 lignin model compounds such as Guaiacol glycerol ether (GGE) (Guaifenesin) are good platform for developing food materials, perfumery, biorefinery, and pharmaceutical industry by ionic liquids-assisted lignin depolymerization method.


Author(s):  
Abhinav Kumar ◽  
Rajaram Bal ◽  
Rajendra Srivastava

Furfural (FAL) and 5-hydroxymethylfurfural (HMF) are important and sustainable platform chemicals. They are produced from lignocellulose biomass and attract significant attention as precursors for producing value-added chemicals and fuels. The...


Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 364
Author(s):  
Nahyeon Lee ◽  
Yong Tae Kim ◽  
Jechan Lee

Lignin directly derived from lignocellulosic biomass has been named a promising source of platform chemicals for the production of bio-based polymers. This review discusses potentially relevant routes to produce renewable aromatic aldehydes (e.g., syringaldehyde and vanillin) from lignin feedstocks (pre-isolated lignin or lignocellulose) that are used to synthesize a range of bio-based polymers. To do this, the processes to make aromatic aldehydes from lignin with their highest available yields are first presented. After that, the routes from such aldehydes to different polymers are explored. Challenges and perspectives of the production the lignin-derived renewable chemicals and polymers are also highlighted.


2021 ◽  
Vol 405 ◽  
pp. 126705
Author(s):  
Javier Remón ◽  
Marina Casales ◽  
Jesús Gracia ◽  
María S. Callén ◽  
José Luis Pinilla ◽  
...  

2017 ◽  
Vol 19 (8) ◽  
pp. 1969-1982 ◽  
Author(s):  
Deepak Verma ◽  
Rizki Insyani ◽  
Young-Woong Suh ◽  
Seung Min Kim ◽  
Seok Ki Kim ◽  
...  

For realizing sustainable bio-based refineries, it is crucial to obtain high yields of value-added chemicalsviadirect conversion of cellulose and lignocellulosic biomass.


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