Physicochemical characterization of a diatomaceous upon an acid treatment: a focus on surface properties by inverse gas chromatography

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Physicochemical characterization of a diatomaceous upon an acid treatment: a focus on surface properties by inverse gas chromatography

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作者：Tassadit Benkacem^a ; ^{bnihaya@yahoo.fr" class="auth_mail" title="E-mail the corresponding author} ; Boualem Hamdi^b ; ^c ; ^{bhamdi_99@yahoo.fr" class="auth_mail" title="E-mail the corresponding author} ; Alain Chamayou^d ; ^{alain.chamayou@mines-albi.fr" class="auth_mail" title="E-mail the corresponding author} ; Henri Balard^e ; ^{h.balard@wanadoo.fr" class="auth_mail" title="E-mail the corresponding author} ; Rachel Calvet^d ; ^{rachel.calvet@mines-albi.fr" class="auth_mail" title="E-mail the corresponding author}
关键词：Diatomite ; Acid treatment ; Inverse gas chromatography ; Catalyst support
刊名：Powder Technology
出版年：2016
出版时间：June 2016
年：2016
卷：294
期：Complete
页码：498-507
全文大小：1131 K

文摘

class="label">•: The effect of an acid treatment on the properties of an Algerian diatomite is studied.
class="label">•: A 0.5 M concentration of nitric acid is enough to eliminate carbonates.
class="label">•: IGC-ID parameters are correlated with change from diatomite to quite pure silica.
class="label">•: After acid treatment, isopropanol distribution function shows two peaks as observed with silica.
class="label">•: IGC brings relevant information in order to use diatomite as a catalyst support.

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