Method of environmental cleanup and producing building material

Details Method of environmental cleanup and producing building material Method of environmental cleanup and producing building material

1993-01-06

1994-02-15

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

106641, 106672, 106697, 106737, 106745, 106796, 106797, 106122, 264 42, 264157, 264163, 264277, 264279, 2642979, 264333, 264336, 264DIG69, B28B 114, B28B 150, B28B 710, B28B 1112

Patent

active

052864278

ABSTRACT:
A method of environmental cleanup by producing an autoclaved aerated cement building material (termed AAC) by a process that uses the available silica sand and other raw materials in mine tailings, in particular copper mine tailings from porphyry copper mines. The process minimizes the need for processed silica sand and other raw materials, normally used in the production of the AAC building material. The lightweight AAC building material produced from the mine tailings has excellent thermal insulation properties, sound absorption and other desirable construction qualities comparable to AAC building material produced using processed silica sand, i.e. from non-mine tailings raw material sources. The utilization of the copper mine tailings for producing the AAC building material, not only rids the countryside of the blight of the mountains of mine tailings waste material, but also preserves the natural resources by using the available silica, lime and other contained elements, and further conserves energy because the silica in the mine tailings is already previously ground to the desired gradation by the mining process. Further, since the AAC is a substitute for lumber, the forests as a natural resource, are preserved.

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Siporex Technical Data Booklet, Author and date published unknown.

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