Transesterification of propylene glycol methyl ether by reactive simulated moving bed chromatography using homogeneous catalyst

Oh, Jae Min; Sreedhar, Balamurali; Donaldson, Megan E.; Frank, Timothy C.; Schultz, Alfred K.; Bommarius, Andreas S.; Kawajiri, Yoshiaki

doi:10.1007/s10450-018-9941-6

Cited by 5 publications

(2 citation statements)

References 36 publications

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“…1-Methoxy-2-propanol (PGMME), which is often used as an oxygenated additive, can improve combustion characteristics of diesel engines such as the aromatic content and cold filter plugging point, etc . Besides, PGMME is widely used as a paint stripper for industrial paints and coatings in the automotive industry, as well as in household products such as cleaners, paints, lacquers, and pesticides …”

Section: Introductionmentioning

confidence: 99%

“…2 Besides, PGMME is widely used as a paint stripper for industrial paints and coatings in the automotive industry, as well as in household products such as cleaners, paints, lacquers, and pesticides. 3 The speed of sound in a fluid is an important property for developing fundamental equations of states and can be used for calculating other thermodynamic properties such as the compressibility, bulk modulus, and acoustic virial coefficient. 4 Moreover, the injection procedure in modern engines is approximately an adiabatic process, which means that the speed of sound is required for estimating the fuel injection timing.…”

Section: Introductionmentioning

confidence: 99%

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Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa

et al. 2018

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1-Methoxy-2-propanol (PGMME) is widely used as an oxygenated additive for diesel fuel. Experimental speed of sound data for PGMME are very scarce. Therefore, the speed of sound in PGMME was measured by the Brillouin light scattering (BLS) method in the temperature range from (306.81 to 648.29) K and pressures up to 10 MPa, including saturated liquid/vapor, liquid, and near-critical and supercritical fluid states. The relative expanded uncertainty (k = 2) of our BLS experimental system is estimated to be less than 1.4%. The variation of the speed of sound with the temperature and pressure is illustrated. Moreover, correlations for experimental speeds of sound in the saturated liquid/vapor and liquid are presented. The correlations represent the experimental data with average absolute deviations of 0.24% for the saturated liquid, 0.19% for the saturated vapor, and 0.36% for the liquid region.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa

et al. 2018

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

Devale,

Mahajan

2024

Can J Chem Eng

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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.

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Molybdenum-Containing Dendritic Mesoporous Silica Nanospheres as Effective Catalysts for Synthesis of Propylene Glycol Methyl Ether Acetate

Wang

Shao

et al. 2023

Catal Lett

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Transesterification of propylene glycol methyl ether by reactive simulated moving bed chromatography using homogeneous catalyst

Cited by 5 publications

References 36 publications

Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa

Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa

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

Molybdenum-Containing Dendritic Mesoporous Silica Nanospheres as Effective Catalysts for Synthesis of Propylene Glycol Methyl Ether Acetate

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