Thermal behaviour of clays and clay-water mixtures for pelotherapy

被引：23

作者：

Armijo, Francisco ^{[1
]}

Maraver, Francisco ^{[1
]}

Pozo, Manuel ^{[2
]}

Isabel Carretero, Maria ^{[3
]}

Armijo, Onica ^{[1
]}

Angel Fernandez-Toran, Miguel ^{[4
]}

Virginia Fernandez-Gonzalez, Maria ^{[5
]}

Corvillo, Iluminada ^{[1
]}

机构：

[1] Univ Complutense Madrid, Fac Med, Escuela Hidrol Med, E-28040 Madrid, Spain

[2] Univ Autonoma Madrid, Fac Ciencias, Dept Geol & Geoquim, E-28049 Madrid, Spain

[3] Univ Seville, Fac Quim, Dept Cristalog Mineral & Quim Agr, Seville 41012, Spain

[4] Balneario Hervideros Cofrentes, Valencia 46625, Spain

[5] Univ Granada, Fac Farm, Dept Edafol & Quim Agr, E-18071 Granada, Spain

来源：

APPLIED CLAY SCIENCE | 2016年 / 126卷

关键词：

Clay mineral; Specific heat; Relaxation time; Pelotherapy; Thermotherapy; BENTONITIC CLAY; MINERALOGY; PELOIDS; ILLITE; HEAT;

D O I：

10.1016/j.clay.2016.02.020

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

To prepare peloids for thermotherapy, the thermal behaviour of their component clay pastes needs to be known. This study was designed to experimentally determine the specific heat capacity and cooling kinetics of pastes prepared by adding different proportions of water to eight commercially available clays of different composition. According to exponential equations fitted to the cooling curves for the pastes, a new parameter designated the relaxation time is proposed. Using this parameter, the clayey pastes could be classified on the basis of rate of heat release. According to its specific heat capacity and relaxation time, Na-activated magnesium bentonite emerged as the most suitable clay material to prepare peloids with applications in thermotherapy. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：50 / 56

页数：7

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