A review on sustainable and scalable biodiesel production using ultra-sonication technology

Oza, Suvik; Kodgire, Pravin; Kachhwaha, Surendra Singh; Lam, Man Kee; Yusup, Suzana; Chai, Yee Ho; Rokhum, Samuel Lalthazuala

doi:10.1016/j.renene.2024.120399

Cited by 17 publications

References 157 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Ultrasonication‐Boosted Resorcinol‐Formaldehyde Resin Nanoparticle Bromine Fixation and Corresponding Upgraded Aquatic Applications

Wu,

Wang,

Yang

et al. 2024

Chemistry A European J

View full text Add to dashboard Cite

Bromine (Br2) and related species removal from water systems are rather complicated due to the complicated chemistry instability, and materials with high Br2 removal rate and efficiency, along with stimuli/apparatus suitable for highly corrosive environments, are necessary. Ultrasonication as a non‐destructive process is especially suitable in scenarios where conventional stir apparatus is not applicable, such as highly corrosive environments. Considering the validity nature of Br2 and combining the advantages of ultrasonic with a highly stable Br2 fixation method through aromatic polymer nanoparticles, we demonstrate highly efficient acoustic‐aided Br2 removal in aqueous solutions with two times capacity compared to the non‐treated sample. Related aquatic applications are also proposed for the materials to be cost‐effective, including silver (Ag) recovery, recyclable MnO2‐mediated Br2 deep removal, and aqueous zinc anode modification. The coupled novel‐material‐based processes motivate the strategic design of water purification with high‐safety and sustainable industrial procedures and post‐value‐added utilizations.

show abstract

Ultrasonication‐Boosted Resorcinol‐Formaldehyde Resin Nanoparticle Bromine Fixation and Corresponding Upgraded Aquatic Applications

Wu,

Wang,

Yang

et al. 2024

Chemistry A European J

View full text Add to dashboard Cite

show abstract

Transesterification reactions as a means to produce esters: A critical review

Devale,

Mahajan

2024

Can J Chem Eng

View full text Add to dashboard Cite

Esters are important chemicals used in fine and bulk chemical industry with numerous applications: solvents, paints, varnishes, dyes, and cosmetics. Ester formation is dominated mainly by Fischer esterification and transesterification. Fischer reaction is generally used for ester production, but in certain cases, transesterification can be used with advantage. It is useful when the acid is less soluble in the alcohol or in the solvent used, thus forming two layers. Water formation creates purification problems during esterification reactions due to azeotrope formation and transesterification can be useful in such cases. Commercially, cheaply available methyl and ethyl esters can be conveniently used as raw materials for value added ester production by transesterification. Transesterification is also useful when the parent acids are highly reactive and pose difficulty in separation. Transesterifications are slow reactions and a catalyst is used: acids and bases, ion exchange resins, zeolites, and clays. Homogeneous catalysts were used in the past which are now replaced by their heterogeneous counterparts. Heterogeneous catalysts offer added advantages like reusability, lesser corrosion, and ease of separation. Transesterification can be commercially used to produce a number of esters of industrial importance like acrylics and biodiesel. This review considers all these aspects in considerable detail. A large literature set was scanned and its judicious extract is presented.

show abstract