Aluminosilicate refractories are manufactured using refractory clays, sillimanite minerals, bauxite, and mixtures of alumina and silica sand. They will refer, somewhat arbitrarily, to common crystalline compounds with melting temperatures of at least 1500 °C .
Chapter 55 - Environmental Pollution Control ENVIRONMENTAL POLLUTION CONTROL AND PREVENTION. Jerry Spiegel and Lucien Y. Maystre. Over the course of the twentieth century, growing recognition of the environmental and public health impacts associated with anthropogenic activities (discussed in the chapter Environmental Health Hazards) has ...
ABSTRACT. The paper examines the main physico-chemical processes for nitrogen removal from wastewaters, considering both those that have been long known and still widely applied at the industrial scale, and those that are still at the research level.
Chemical element - Geochemical distribution of the elements: Knowledge of the geochemical distribution of elements involves elucidation of the relative and absolute abundances of the chemical elements in the Earth and in its various parts—the crust, interior, atmosphere, and hydrosphere.
Pierre is the Manager of Technical Services for MAPEI Inc. and has assisted MAPEI clients for 26 years. He is a member of Construction Specification Canada (CSC, the equivalent to AIA in the USA) and on the executive board of the Montreal Chapter.