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Rezultatele pentru acetophenone

Rezultate gasite: 3

CORROSION INHIBITION IN SALINE ENVIRONMENT USING KETONIC MANNICH BASE FROM ortho-HYDROXYACETOPHENONE
Environmental Engineering and Management JournalVol. 10Nr. 9
Abstract:The paper presents the results obtained when using one ketonic Mannich base BM (1-(2’-hydroxyphenyl)-3-(1-piperidinylamino)propan-1-one hydrochloride) as corrosion inhibitor in saline environment, for different types of carbon steels,with various alloying elements. The Mannich base was synthesized and used in corrosion experiments, in concentrations varyingfrom 0….1300 ppm. The corrosion experiments were performed by potentiodynamic polarization studies, with 50 mVs-1 scanrate. The ...
Autori: Andreea Milea, Cristina Bogatu, Ileana Manciulea
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=25754

ECO-FRIENDLY PRODUCTION OF CHEMICALS 1. IMPROVEMENT OF ENZYMATIC PRODUCTION OF ACETOPHENONE BY DIRECT EXTRACTION
Environmental Engineering and Management JournalVol. 15Nr. 8
Acetophenone can be enzymatically produced by conversion of methylbenzylamine using transaminase. The enzymatic process is strongly affected by the product inhibition, thus requiring the acetophenone removal from the media during its synthesis. In this purpose, the individual and selective extraction of acetophenone and methylbenzylamine with the biocompatible solvent nheptane containing 1-octanol, D2EHPA or TOA has been analyzed at three values of pH (5, 7, and 9). Regardless of the solvent ...
Autori: Lenuţa Kloetzer
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27111

ENVIRONMENTALLY FRIENDLY ENZYME-CATALYZED POLYMERIZATION OF A NOVEL PHENOXY-KETIMINE
Environmental Engineering and Management JournalVol. 16Nr. 7
The monomer with ketimine side group, 2-(1-(benzylimino)ethyl)phenol (2-BEP), was synthesized from the condensation of 2- hydroxyacetophenone and benzyl amine. The enzymatic oxidative polymerization of 2-BEP was performed in the presence of hydrogen peroxide using horseradish peroxidase (HRP) as catalyst. The oxidation reaction was carried out in various solvents and phosphate buffers at room temperature. These studies have shown that a dark brown polymer was successfully synthesized by utilizin...
Autori: Senem Tapan
ISSN: 1843 - 3707
http://www.ecozone.ro/reviste.php?RID=27377

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