Production of Platform Chemicals Using Supercritical Fluid Technology

Yong, Tau Len–Kelly; Pa’ee, Khairul Faizal; Abd-Talib, Norfahana; Mohamad, Nurabiyiah

doi:10.1007/978-3-030-44984-1_4

Cited by 1 publication

(4 citation statements)

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“…However, the disadvantages are the difficulties of purification, reuse and biodegradability. Solvent recovery requires high energy consumption, which makes the process more expensive, in addition to the need for specifically designed equipment, which imposes limitations for industrial use 14,17,40,44,45 …”

Section: La Production: From Feedstocks To Unit Operationsmentioning

confidence: 99%

“…Solvent recovery requires high energy consumption, which makes the process more expensive, in addition to the need for specifically designed equipment, which imposes limitations for industrial use. 14,17,40,44,45 Supercritical fluids were also evaluated but were unsuccessful in yield and operating costs. More detailed studies are still needed to use supercritical fluids and solvents, aiming at more sustainable and efficient processes.…”

Section: Catalystsmentioning

confidence: 99%

“…More detailed studies are still needed to use supercritical fluids and solvents, aiming at more sustainable and efficient processes. 17,44,45 Microwave radiation can also be used for hydrothermal fructose degradation to HMF and LA. Microwave heating results in better energy balance, lower heat losses, more efficient temperature control, reduced process costs and decreased catalytic reaction time.…”

Section: Catalystsmentioning

confidence: 99%

“…Supercritical fluids were also evaluated but were unsuccessful in yield and operating costs. More detailed studies are still needed to use supercritical fluids and solvents, aiming at more sustainable and efficient processes 17,44,45 …”

Section: La Production: From Feedstocks To Unit Operationsmentioning

confidence: 99%

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Recent advances, perspectives and challenges on levulinic acid production from residual biomass

Bazoti

Bonatto

Scapini

et al. 2023

Biofuels Bioprod Bioref

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Over the years, several studies have focused on integrally exploring lignocellulosic biomass to achieve satisfactory yields of different bioproducts and establish economically viable industrial processes. Among the bioproducts, levulinic acid (LA) has emerged as one of the top platform products derived from biomass, mainly owing to its expanding market economic position, which can stimulate viability and attract the attention of investors in the field. Considered a building block because of its versatile intermediate chemical structure, it can be used to synthesize many compounds with applications in fuels, pharmaceutical and cosmetics industries, food additives and solvents. The main synthesis route for obtaining LA is the degradation of cellulose via acid catalysis. In this context, lignocellulosic biomass is a promising and sustainable way of getting LA. Recent research has explored a potential path to full technological development associated with LA from various biomass and different catalysts. In this scenario, a comprehensive review concerning biomass for LA production and the challenges in the synthesis process is proposed. The primary studies conducted over the years and approaches to using and appreciating residual biomass are also discussed. This work also considers the use of technological tools to optimize the production of LA and seeks to contribute sustainable proposals still little explored, such as the intensification of the process and the use of fruit residues in the synthesis of this promising building block.

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Section: La Production: From Feedstocks To Unit Operationsmentioning

confidence: 99%