Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Anchored Double-Tier Retaining Walls on Sloping Embankment
By Chu E. Ho, Paul Napoli
A new waterfront park was developed on Long Island in close proximity to the East River and Newtown Creek. The existing ground consisted of fill over soft organic clay, medium dense silty sand, glacia
Jan 1, 2019
-
RI 6449 Production of Lightweight Aggregate From Washery Refuse
By J. J. Pfeiffer, J. W. Myers, A. A. Orning
A study was made of the feasibility of using washery refuse in the manufacture of lightweight aggregate for building materials . Preliminary caking and burning tests showed that the refuse could be co
Jan 1, 1964
-
Changing Electrical Beneficiation Potential of Minerals: A Critical Analysis of Surface Treament Methods in Separation
By H. R. Manouchehri
"In all electrical beneficiation methods, the difference in electro-physical properties of the contributed mineral particles, essentially frictional charge, electrical conductivity and dielectric cons
Jan 1, 2018
-
Biographical Notice - Frederick W. Matthiessen
F. W. Matthiessen, who, with E. C. Hegeler, of La Salle, was one of the creators of the zinc industry in the-United States, was born in Altona, Schleswig-Holstein, Germany, Mar. 5, 1835. He was one of
Jan 1, 1920
-
Reconditioning the Howey Shaft
By R. R. Bassermann
THE property of Howey Gold Mines, Limited is situated at Red Lake, Ontario, one hundred and seventy-five miles east of Winnipeg and eighty miles north of the Canadian National Railway line. The mine h
Jan 1, 1935
-
Tailing Dam Monitoring – Safety Enhancement Through Data Fusion - SME Annual Meeting 2022
By J. Kretschmann, A. Müterthies, T. Rudolph, C. Yang, P. Goerke-Mallet
Catastrophic failures of dams and tailing storage facilities (TSF) have triggered the development of integrated ground monitoring concepts for hazard assessment, risk management and public safety. The
Mar 2, 2022
-
Fundamental Investigation Of Basic Mechanisms Of Carbon Dissolution In Molten Iron (Invited) (51e2c10d-e3cf-4797-a83f-4896322c9784)
Based on experimental and computer simulation results from our group, we report a systematic, atomic level analysis of carbon dissolution from carbonaceous materials in molten iron. Experimental resul
Jan 1, 2003
-
The Foundation of Safety Engineering and Planning
By J. D. Cooner
SINCE my working life of 32 yr has been spent in and about the anthracite mines of the Hudson Coal Co., and the previous 4 yr in a college school of mines, I can write best about the safety program of
Jan 1, 1948
-
The Future is Open - On-Equipment Computing at Teck
By Peter Cunningham
Teck Facts and Figures ? Employ more than 14,000 around the world, includes: ? Over 8,600 in Canada (close to 7,800 in British Columbia) ? Close to 2,000 in Chile ? Over 2,700 in Peru ? Approxima
Aug 1, 2013
-
Challenges and Opportunities of a Lead Smelting Process for Complex Feed Mixture
By Christoph Zschiesche
Managing complex material streams within a lead smelting/reduction process has a long history at Aurubis. After modernization of the secondary lead smelter in 1991, Aurubis operates an electric furnac
-
Fully automated coal quality control using digital twin material tracking and statistical model predictive control for yield optimization during production of semi soft coking- and power station coal
By B. J. Coetzee, P. W. Sonnendecker
The quality control of a two-stage coal washing process involves several complex components that need to be modelled accurately, to enable autonomous control of the process. The first objective is to
Aug 2, 2022
-
Formation Mechanism of Ferronickel Alloy Due to the Reaction Between Iron and Nickeliferous Pyrrhotite at 850–900 °C
By Feng Liu
A thermal upgrading process by which nickel value can be concentrated in a ferronickel alloy is a possible alternative to treat Sudbury pyrrhotite (Po) tailings with nickel content of 0.5–1.5 wt%. The
-
Magnesium Oxide Suppression during Nickel Flotation
By R. Casagrande, L. R. Moore, J. Sessoms, P. Macy
"A South American nickel mine has been producing a nickel concentrate that also contains copper and iron (15 percent nickel, 5 percent copper, 28 percent iron) for the end use of stainless steel produ
Jan 1, 2015
-
IC 7025 Some Observations On The Causes, Behavior, And Control Of Fires In Steep-Pitch Anthracite Mines ? Introduction
By G. E. McElroy
As one phase of a general program of enthracite mine-fire research initiated by the Bureau of Mines in September 1935, a study of the records of past fires was considered a necessary approach to a pro
Jan 1, 1938
-
RI 7448 Hazards Associated With The Spillage Of Liquefied Natural Gas On Water
By D. S. Burgess
An investigation of the hazard of spillage of liquefied natural gas (LNG) onto water is described. About 2,000 gallons of LNG were consumed in various tests. The initial vaporization rate of LNG follo
Jan 1, 1970
-
Extraction of Lithium from Brine—Old and New Chemistry
By Mike Dry
Conventionally, lithium-bearing brines are processed via solar evaporation, chemical purification, and either electrolysis to lithium hydroxide or precipitation of lithium carbonate. Lithium-ion batte
-
Electromagnetic Responses to Massive Sulfide Ore Systems of Various Morphologies and Conductivities
By A. H. Mumin, A. Prikhodko
"This paper provides an understanding of interpreting and evaluating airborne time domain electromagnetic (TEM) surveys as applied to massive sulfide exploration. Variations in the conductive morpholo
Jan 1, 2018
-
IC 8457 Mineral Materials For Chemical Manufacturing - A Survey Of Supply And Demand By The Chemical Industry In The Ohio River Basin Of Ohio, Pennsylvania, And West Virginia
By M. C. Irani
This study is a survey of supply and demand for minerals, metals, alloys, and compounds used by the chemical industries in the Ohio River Basin (ORB) area of Ohio, Pennsylvania, and West Virginia duri
Jan 1, 1970
-
Effects Of Weak Bands On Pillar Stability In Stone Mines: Field Observations And Numerical Model Assessment
By John L. Ellenberger, Gabriel S. Esterhuizen
Observations of pillar conditions in limestone mines showed that the presence of weak bands in the limestone can result in pillar damage at stresses that are lower than one would otherwise expect. The
-
Solids Sampling at Australian Iron Ore Mine Sites
By C. Matthews, A. Vo
"Australia is one of the world’s leading exporters of bulk commodities and the extensive use of sampling equipment is key to the successful management of each mining operation. At the process plant, w
Jan 1, 2019