Textural Properties of Synthetic Clay-Ferrihydrite Associations
نویسندگان
چکیده
منابع مشابه
TEXTURAL AND HYDRATION PROPERTIES OF A SYNTHETIC MONTMORILLONITE COMPARED WITH A NATURAL NA-EXCHANGED CLAY ANALOGUE Authors
An aluminous montmorillonite has been synthesized at hydrothermal conditions (623 K, 120 MPa) and compared to the natural Na-exchanged Wyoming montmorillonite (Na-SWy2). The synthetic product is characterized by a high cation exchange capacity (83 meq/100g) and ethylene glycol specific surface area (764 m 2 /g) similar to Na-SWy2 but with a higher purity with one crystalline phase. Compacted sm...
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1 2 The hydrothermal carbonation of calcium hydroxide (Ca(OH) 2) at high pressure of CO 2 3 (initial P CO2 = 55 bar) and moderate to high temperature (30 and 90°C) was used to synthesize 4 fine particles of calcite. This method allows a high carbonation efficiency (about 95% of 5 Ca(OH) 2-CaCO 3 conversion), a significant production rate (48 kg/m 3 h) and high purity of 6 product (about 96%). H...
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ژورنال
عنوان ژورنال: Clay Minerals
سال: 1998
ISSN: 0009-8558
DOI: 10.1180/claymin.1998.033.3.03