Results 121 to 130 of about 4,993,177 (277)

Production of Biodiesel from Castor Oil Using Egg Shell Waste as Solid Catalysts [PDF]

open access: yes, 2012
The increase in price of petroleum and environmental concerns, the search for alternative fuels has gained importance. Biodiesel is one of several alternative fuels that is renewable and can be manufactured from vegetable oils.
Nur Farzana, Omar
core  

Gas-liquid interfacial area in the oxygen absorption to oil-in-water emulsions in an airlift reactor [PDF]

open access: yes, 2010
The present work includes an exhaustive study about gas–liquid interfacial area between gas phase and liquid heterogeneous medium generated in an airlift bioreactor.
Aguedo   +6 more
core   +1 more source

Characterisation of Castor (Ricinus communis L.) Seed Quality Using Fourier Transform Near-Infrared Spectroscopy in Combination with Multivariate Data Analysis

open access: yesAgriculture, 2018
The potential of single-seed near-infrared (NIR) spectroscopy was investigated to characterise castor seeds based on their seed viability and seed oil content.
René Gislum   +5 more
doaj   +1 more source

Lipase-Catalyzed Synthesis of Monoundecenoyl, Di-\u3cem\u3eoligo\u3c/em\u3e(Ricinoleyl) Triacylglycerol and Chemical Conjugation of Acid-Functionalized Poly(Ethylene) Glycol Monomethyl Ether to \u3cem\u3eOligo\u3c/em\u3e (Ricinoleic) Acid to Enable the ‘Green’ Preparation of Amphiphilic Star Polymers [PDF]

open access: yes, 2009
Chemo-enzymatic synthesis of unimolecular polymeric micelles (UPMs) is proposed for their potential utilization as drug delivery vehicles in dilute aqueous solutions. The UPMs are star polymers consisting of a hydrophobic core and hydrophilic corona. The
Mannam, Vinay Kumar
core   +1 more source

Engineering microbial fatty acid metabolism for biofuels and biochemicals [PDF]

open access: yes, 2017
Traditional oleochemical industry chemically processes animal fats and plant oils to produce detergents, lubricants, biodiesel, plastics, coatings, and other products.
Borodina, Irina   +3 more
core   +2 more sources

Biochemical Characterization of a Type II Diacylglycerol Acyltransferase from Claviceps purpurea [PDF]

open access: yes, 2009
Claviceps purpurea, a fungal pathogen, of ergot diseases in agriculturally important cereal crops, produces high levels of glycerides containing ricinoleic acid (12-hydroxyoctadec-cis-9-enoic acid) in its sclerotia.
Mavraganis, Ioannis
core  

Biolubricant basestocks from chemically modified ricinoleic acid

open access: yesJournal of King Saud University - Science, 2012
AbstractThis paper presents a series of chemically modified biolubricant basestocks derived from ricinoleic acid. The reactions were monitored and products were confirmed by NMR and FTIR. The synthesis protocol is carried out in three stages: (1) epoxidation of ricinoleic acid; (2) synthesis of 10,12-dihydroxy-9-acyloxystearic acid from epoxidized ...
Emad Yousif, Nadia Salih, Jumat Salimon
openaire   +2 more sources

Evaluating the effect of temperature on biodiesel production from castor oil

open access: yesIngeniería e Investigación, 2010
Problems arising between biofuels and food as raw materials have led to investigating the use of inedible raw materials for their production. This work was aimed at studying the effect of temperature on converting castor oil in biodiesel production.
Carlos Alberto Guerrero Fajardo   +2 more
doaj  

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