Search Results - "VILLEMIN, D"

Heavy metal ions extraction using new supported liquid membranes containing ionic liquid as carrier by Jean, E., Villemin, D., Hlaibi, M., Lebrun, L.

“…•New IL-supported liquid membranes were used for selective heavy metal ions extractions.•Novel IL synthesized and used as carrier.•Influences of pH,…”
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Adsorption and corrosion inhibition of carbon steel in hydrochloric acid medium by hexamethylenediamine tetra(methylene phosphonic acid) by Laamari, M.R., Benzakour, J., Berrekhis, F., Derja, A., Villemin, D.

“…The inhibitive effect of the hexamethylenediamine tetra(methylene phosphonic acid) (HMDTMPA) on the corrosion of carbon steel in 1.0M HCl solution has been…”
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Synthesis, experimental and theoretical vibrational studies of 1-methyl and 1,2-dimethyl, 3-propyl imidazolium bis(trifluoromethanesulfonyl) imide by Drai, M, Mostefai, A, Paolone, A, Haddad, B, Belarbi, E, Villemin, D, Bresson, S, Abbas, O, Chaker, Y, Rahmouni, M

“…In this study, two ionic liquids containing the bis(trifluoromethanesulfonyl)imide ( [ ( CF 3 SO 2 ) 2 N - ] ) anion are synthesized. The syntheses are based…”
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Thiomorpholin-4-ylmethyl-phosphonic acid and morpholin-4-methyl-phosphonic acid as corrosion inhibitors for carbon steel in natural seawater by Amar, H., Braisaz, T., Villemin, D., Moreau, B.

“…Electrochemical techniques have been used for investigating the inhibition of carbon steel by thiomorpholin-4-ylmethyl-phosphonic acid (TMPA) and…”
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Colza oil bleaching through optimized acid activation of bentonite. A comparative study by Didi, M.A., Makhoukhi, B., Azzouz, A., Villemin, D.

“…The acid activation of an Algerian bentonite was investigated using a factorial 3 3 experiment design in order to improve the bleaching capacity in the colza…”
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Synergistic corrosion inhibition study of Armco iron in sodium chloride by piperidin-1-yl-phosphonic acid-Zn system by Amar, H, Benzakour, J, Derja, A, Villemin, D, Moreau, B, Braisaz, T, Tounsi, A

“…Electrochemical techniques, weight loss method and surface analysis were used to study the synergistic inhibition offered by Zn2+ and piperidin-1-yl-phosphonic…”
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Synergistic corrosion inhibition study of Armco iron in sodium chloride by piperidin-1-yl-phosphonic acid-Zn2+ system by AMAR, H, BENZAKOUR, J, DERJA, A, VILLEMIN, D, MOREAU, B, BRAISAZ, T, TOUNSI, A

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Investigation of the effect of piperidin-1-yl-phosphonic acid on corrosion of iron in sulfuric acid by laamari, M.R., Benzakour, J., Berrekhis, F., Bakasse, M., Villemin, D.

“…The inhibitive effect of the piperidin-1-yl-phosphonic acid (PPA) on the corrosion of iron in 1M H2SO4 solution has been investigated by weight loss…”
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Piperidin-1-yl-phosphonic acid and (4-phosphono-piperazin-1-yl) phosphonic acid: A new class of iron corrosion inhibitors in sodium chloride 3% media by Amar, H., Benzakour, J., Derja, A., Villemin, D., Moreau, B., Braisaz, T.

“…The inhibiting effect of the piperidin-1-yl-phosphonic acid (PPA) and (4-phosphono-piperazin-1-yl) phosphonic acid (PPPA) on the behavior of iron in 3% NaCl…”
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A new sorbent for uranium extraction: Polyethyleniminephenylphosphonamidic acid by Abderrahim, O., Didi, M. A., Villemin, D.

“…A new sorbent, polyethyleniminemethylenephosphonamidic acid (PEIPPA), was synthesized from commercially available polyethylenimine and…”
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A corrosion inhibition study of iron by phosphonic acids in sodium chloride solution by Amar, H., Benzakour, J., Derja, A., Villemin, D., Moreau, B.

“…The effect of a new class of corrosion inhibitors, namely piperidin-1-yl-phosphonic acid (PPA) and (4-phosphono-piperazin-1-yl) phosphonic acid (PPPA) on the…”
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Vibrational Spectroscopic Study of Imidazolium Dicationic Ionic Liquids: Effect of Cation Alkyl Chain Length by Moumene, T., Belarbi, E. H., Haddad, B., Villemin, D., Abbas, O., Khelifa, B., Bresson, S.

“…Two new dicationic ionic liquids were synthesized: bis-methyl imidazolium methylidene hexafluorophosphate [M(CH 2 )IM 2 + ][2PF 6 − ] and bis-methyl…”
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Enantioseparation of binaphthol and its mono derivatives by cyclodextrin-modified capillary zone electrophoresis by Mofaddel, N., Krajian, H., Villemin, D., Desbène, P.L.

“…Chiral binaphthols belong to the group of most effective ligands for asymmetrical catalysis. In this context, various binaphthols presenting original…”
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Acid activation of Bentonite for use as a vegetable oil bleaching agent by Makhoukhi, B., Didi, M. A., Villemin, D., Azzouz, A.

“…The design of various experiments in order to assess and simulate the effects of the acid activation of an Algerian bentonite on the bleaching capacity of…”
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Extraction of Uranium(VI) using D2EHPA/TOPO based supported liquid membrane by Kadous, A., Didi, M. A., Villemin, D.

“…This work concerns the extraction of U(VI) using supported liquid membrane (SLM) by di-(2-ethylhexyl) phosphoric acid (D2EHPA) and tri-n-octyl phosphine oxide…”
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Enantioseparation of binaphthol and its monoderivatives by cyclodextrin-modified capillary zone electrophoresis: A mathematical approach by Mofaddel, N., Krajian, H., Villemin, D., Desbène, P.L.

“…A simple model for the separation of atropisomers of binaphthol and its monoderivatives by means of cyclodextrin-modified capillary zone electrophoresis…”
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Diphosphonium ion-exchanged montmorillonite for Telon dye removal from aqueous media by Makhoukhi, B., Didi, M.A., Moulessehoul, H., Azzouz, A., Villemin, D.

“…Diphosphonium-intercalated montmorillonites were prepared via ion exchange using para, meta and ortho-bis(triphenyl phosphonium methylene)-benzene-dichloride…”
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new example of reversal of the order of migration of enantiomers, as a function of cyclodextrin concentration and pH, by cyclodextrin-modified capillary zone electrophoresis: enantioseparation of 6,6'-dibromo-1,1'-binaphthyl-2,2'-diol by Krajian, H, Mofaddel, N, Villemin, D, Desbène, P. L

“…Enantioseparation of 6,6'-dibromo-1,1'-binaphthyl-2,2'-diol (DBBD) by cyclodextrin-modified capillary zone electrophoresis (CD-CZE) was studied using the three…”
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5,6-Dihydro-2H-pyranones and 5,6-dihydro-2H-pyridones and their derivatives modulate in vitro human T lymphocyte function by Hamed, Y. Baba, Medjdoub, A., Kara, B. Mostefa, Merzouk, H., Villemin, D., Narce, M.

“…The aim of this work was to study the in vitro effects of δ-lactone 1 , δ-lactam 3 and their enaminone derivatives 2 and 4 , synthesized in our laboratory, on…”
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Comparative QSAR based on neural networks for the anti-HIV activity of HEPT derivatives by Douali, L, Villemin, D, Cherqaoui, D

“…Among the non-nucleoside reverse transcriptase inhibitors, 1-[2-hydroxyethoxy-methyl]-6-(phenylthio) thymine (HEPT) derivatives have proved to be potent and…”
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