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Steam-cured Bricks from Industrial Mineral Wastes.

Authors
Pigott-PG; Valdez-EG; Dean-KC
Source
NTIS: PB 231 284 :13 pages
Link
NIOSHTIC No.
10009221
Abstract
This investigation by the Bureau of Mines demonstrated that building bricks can be produced by the steam-curing process from various types of industrial mineral wastes. Wastes, utilized to produce bricks, consisted of copper mill tailings, roofing granule fines, asbestos fines, and zinc mill tailings. Bonding of the wastes with either ca(oh)2 or portland cement resulted in building bricks that met ASTM specification c73-67 for grade sw and mw bricks when evaluated in accordance with ASTM designation c67-66 on sampling and testing of brick. An economic evaluation of the process indicates the total operating cost per 1,000 bricks to be about $36.
Publication Date
19740101
Document Type
IH; Report of Investigations
Fiscal Year
1974
NTIS Accession No.
PB-231284
NTIS Price
A03
Identifying No.
RI 7856
NIOSH Division
SLRC;
Source Name
NTIS: PB 231 284
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