Results 31 to 40 of about 2,094,863 (240)

Reactive dye extraction utilizing regenerated bleaching earth [PDF]

Global Journal of Environmental Science and Management, 2017
Bentonite bleaching earth is utilized for purifying used motor oil through a recovery process in order to improve the quality and stability of the final product. Indeed, spent bleaching earth is generated due to adsorbing oil impurities.
M. Shahi, M.R. Sabour, G.A. Dezvareh
doaj   +1 more source

Extraction of Model Parameters for Reactive Solute Transport [PDF]

Journal of Rehabilitation in Civil Engineering, 2019
Rock material is common in the construction of hydraulic structures. In the present study, to the aim is to examine the reactive solute relationships for transport and degradation processes through the rockfill media.
Jafar Chabokpour, Ali Akhoundzadeh
doaj   +1 more source

Sources, extraction and biological activities of cinnamaldehyde [PDF]

Trends in Pharmaceutical Sciences, 2022
Cinnamaldehyde is the prevalent bioactive part of cinnamon essential oil which is liable for its regular scent and can be gotten from the bark, leaves, and twigs of various Cinnamomum species.
Anna Ibi, Christal Kyuka
doaj   +1 more source

Concept of an Enzymatic Reactive Extraction Centrifuge

, 2022
Biocatalytic processes often provide an ecological alternative to many chemical processes. However, further improvements in terms of the economic efficiency are required. In order to achieve that, the concept of process integration is a promising option.
Gasimov, Nijat, Waluga, Thomas, Paul Bubenheim, Francesca Meyer, Thomas Waluga, Nijat Gasimov, Meyer, Francesca, Bubenheim, Paul   +7 more
core   +1 more source

Reactive Extraction of Lactic Acid, Formic Acid and Acetic Acid from Aqueous Solutions with Tri-n-octylamine/1-Octanol/n-Undecane

ChemEngineering, 2019
The present work develops the basics for the isolation of lactic acid, acetic acid and formic acid from a single as well as a mixed feed stream, as is present, for example, in fermentation broth for lactic acid production.
Nuttakul Mungma, Marlene Kienberger, Matthäus Siebenhofer   +2 more
doaj   +1 more source

Response Surface Methodology Based on Central Composite Design for Investigation of the Mean Drop Behaviors in Reactive Extraction System with Presence of Uranium in a Horizontal Pulsed Column [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2020
To carry out this investigation, drop behavior in a horizontal pulsed sieve-plated column was measured under with and without reactive extraction situations.
Fereshte Khanramaki, Rezvan Torkaman, Amir saeed Shirani, Jaber Safdari   +3 more
doaj   +1 more source

Reactive Separation of Vanillic Acid Using Tri-n-butyl Phosphate [PDF]

Chemical and Biochemical Engineering Quarterly
The aim of this study was to extract vanillic acid from an aqueous solution through reactive extraction. Vanillic acid is utilized in the food and beverage industry as a flavoring agent.
D. S. Eshwar, F. M. Antony, A. Kuma, K. Wasewar   +3 more
doaj   +1 more source

(Selective) Isolation of acetic acid and lactic acid from heterogeneous fermentation of xylose and glucose

Chemical Engineering Journal Advances, 2023
The present study focuses on the isolation of acetic and lactic acid from a fermentation broth produced by heterofermentative microorganisms using glucose and xylose as substrate. Especially xylose fermentation to lactic acid leads to unwanted by-product
Marlene Kienberger, Christoph Weinzettl, Viktoria Leitner, Michael Egermeier, Paul Demmelmayer   +4 more
doaj   +1 more source

Separation of Co(II) from Zinc Plant Acidic Thiocyanate Leach Solutions Containing Co(II) and Ni(II) by Solvent Extraction Using Trioctylamine in Toluene

, 2011
In this study, a zinc plant purification cake (CINKUR Co. Turkey) was leached with sulphuric acid and an acidic leach solution containing Zn(II), Fe(II), Pb(II), Al(III), Cu(II), Co(II) and Ni(II) ions was obtained.
Kumbasar, Recep Ali, Eyüpoğlu, Volkan
core   +1 more source

Simulation of a Hybrid Reactive Extraction Unit. Biodiesel Synthesis

Chemical Engineering Transactions, 2013
Biodiesel is an alternative for existing diesel vehicles. This work focuses on the rigorous simulation of a hybrid reactive liquid-liquid equilibrium extraction as a novel alternative process for the production of biodiesel.
C. Xie, F. Wei, J. Luo, H.Z. Huang, Y. Liu   +4 more
doaj   +3 more sources