Results 31 to 40 of about 125,363 (297)

Comparison of alternative methods for methyl acetate + methanol + acetic acid + acetic anhydride mixture separation

open access: yesТонкие химические технологии, 2019
Objectives. The paper is a comparative analysis of methyl acetate + methanol + acetic acid + acetic anhydride industrial mixture separation flowsheets based on the use of special distillation methods (extractive distillation and pressure-swing ...
A. V. Frolkova   +3 more
doaj   +1 more source

Simulation of a new Pressure Swing Batch Distillation System [PDF]

open access: yes, 2008
The operation and performance of a new pressure swing batch distillation configuration is investigated by rigorous simulation calculations. A maximum boiling point azeotrope is separated in a double column batch rectifier. We study the influence of the
Kopasz, A., Modla, Gábor, Lang, P.
core   +1 more source

ACETONE-CHLOROFORM-n-BUTANOL MIXTURE SEPARATION BY THE EXTRACTIVE DISTILLATION IN SCHEMES OF TWO-OUTLET COLUMNS

open access: yesТонкие химические технологии, 2017
Extractive distillation of acetone-chloroform-n-butanol mixture with dimethylformamide in two-outlet column schemes is considered. Optimal parameters according to the total energy consumption criterion in the column boilers of the three extractive ...
E. А. Anokhina   +3 more
doaj   +1 more source

Simulasi CHEMCAD: Studi Kasus Distilasi Ekstraktif pada Campuran Terner n-Propil Asetat/n-Propanol/Air

open access: yesJurnal Teknik Kimia dan Lingkungan, 2023
Pemisahan n-propil asetat dari campuran terner n-propil asetat/n-propanol/air merupakan salah satu proses yang tidak dapat dilakukan dengan distilasi sederhana. Adanya azeotrop terner minimum dari campuran tersebut menyebabkan n-propil asetat hanya dapat
Agung Ari Wibowo   +3 more
doaj   +1 more source

Extractive Distillation of Acetone – Methanol Mixture using 1-Ethyl-3-methylimidazolium Trifluoromethanesulfonate

open access: yesChemical Engineering Transactions, 2018
Acetone and methanol are organic solvents widely used in industry. Acetone with methanol forms a homogeneous minimum-boiling azeotrope which is not separable by conventional distillation processes.
Elena Graczova, Monika Vavrusova
doaj   +1 more source

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

New column configurations for pressure swing batch distillation II. Rigorous simulation calculations [PDF]

open access: yes, 2007
The pressure swing distillation in different batch column configurations is investigated by rigorous simulation calculations. The calculations are made by a professional flow-sheet simulator for the separation of a minimum (ethanol–toluene) and a ...
Láng, Péter, Modla, Gábor
core   +1 more source

The role of miR‐335‐5p in the redifferentiation of BRAF p.V600E thyroid cancers

open access: yesMolecular Oncology, EarlyView.
The BRAF p.V600E mutation promotes thyroid cancer dedifferentiation and radioiodine resistance. Using a network approach, we identified miR‐335‐5p as a key regulator of BRAF‐mutated thyroid tumors. Restoring miR‐335‐5p increased thyroid‐specific gene expression and iodine uptake in cells and organoids.
Valeria Pecce   +11 more
wiley   +1 more source

Energetic Aspects of Imidazolium-Based Ionic Liquid Regeneration from Aqueous Solutions

open access: yesChemical Engineering Transactions, 2017
Separation processes are common in chemical industry. Higher prices of energies and environmental threats led to increased interest in the design of new and the optimization of real technologies. As an example, the effort to replace conventional solvents
E. Graczova, B. Sulgan, P. Steltenpohl
doaj   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

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