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Wear of 12 alloys during laboratory milling of phosphate rock in phosphoric acid waste water.

Authors
Tylczak-JH; Singleton-DJ; Blickensderfer-RA
Source
Miner Metall Process 1986 Aug; :187-190
Link
NIOSHTIC No.
10005395
Abstract
As part of its research on the wear of mining and mineral processing equipment, the U.S. Bureau of Mines evaluated the erosion-corrosion characteristics of 12 alloys in phosphoric acid waste water. Tests were conducted on 2- and 5-cm-diam specimens in 12- and 60-cm-diam ball mills by grinding phosphate rock in gypsum pond water with an initial ph of 1.6. For comparison, grinding tests also were conducted in tap water. Static corrosion tests in gypsum pond water also were carried out. For all alloys tested, the wear by erosion- corrosion was greater than the sum of erosion plus static corrosion. A low-alloy high-carbon steel and a high-manganese, nitrated stainless steel were the most cost-effective materials.
CODEN
MMPRE8
Publication Date
19860801
Document Type
OP; Journal Article
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OP 148-86
ISSN
0747-9182
NIOSH Division
ALRC
Source Name
Minerals & Metallurgical Processing
State
OR
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