A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
VERFAHREN ZUR BEREITSTELLUNG EINES HYDRAULISCH ERHÄRTENDEN BINDEMITTELS UND VERWENDUNG DES DARAUF BASIERENDEN ZEMENT-GRUNDSTOFFS
A method for providing a hydraulically hardening binder free of asbestos fibre is intended to enable treatment of an asbestos-containing building material bound with calcium silicate hydrate, especially with cement, employing a thermal treatment step and using up as little resources as possible, while observing the relevant limits for health-hazard substances. The invention does this by subjecting an asbestos-containing starting material to both a thermal treatment and a dry deagglomeration, the thermal treatment seeing the starting material first heated in a homogeneous temperature environment over a heating period with rising temperature to a target temperature of at least 600°C and at most 800°C, preferably of about 700°C, and then held at the target temperature over a treatment period of at least 60 min and at most 180 min, preferably about 90 min, before being cooled to environment temperature.
VERFAHREN ZUR BEREITSTELLUNG EINES HYDRAULISCH ERHÄRTENDEN BINDEMITTELS UND VERWENDUNG DES DARAUF BASIERENDEN ZEMENT-GRUNDSTOFFS
A method for providing a hydraulically hardening binder free of asbestos fibre is intended to enable treatment of an asbestos-containing building material bound with calcium silicate hydrate, especially with cement, employing a thermal treatment step and using up as little resources as possible, while observing the relevant limits for health-hazard substances. The invention does this by subjecting an asbestos-containing starting material to both a thermal treatment and a dry deagglomeration, the thermal treatment seeing the starting material first heated in a homogeneous temperature environment over a heating period with rising temperature to a target temperature of at least 600°C and at most 800°C, preferably of about 700°C, and then held at the target temperature over a treatment period of at least 60 min and at most 180 min, preferably about 90 min, before being cooled to environment temperature.
VERFAHREN ZUR BEREITSTELLUNG EINES HYDRAULISCH ERHÄRTENDEN BINDEMITTELS UND VERWENDUNG DES DARAUF BASIERENDEN ZEMENT-GRUNDSTOFFS
METHOD FOR PROVIDING A HYDRAULICALLY HARDENING BINDER AND USE OF THE CEMENT COMPOSITION BASED THEREON
PROCÉDÉ DE PRÉPARATION D'UN LIANT À PRISE HYDRAULIQUE ET UTILISATION DE LA MATIÈRE PREMIÈRE DE TYPE CIMENT À BASE DE CELUI-CI
PERBIX WOLFGANG (author) / MALOMY WINFRIED (author)
2019-10-23
Patent
Electronic Resource
German
IPC:
C04B
Kalk
,
LIME
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