Intelligent P&IDs, their creation and use in process hazard analysis of refineries and chemical plants

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Mots clés : Hazard analysis;Computer applications
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Texte
Sommaire: Greater reliability of mineral deposit and reserve estimates can be attained through better quality control of the data and information acquisition, and the estimation processes. This paper reviews the following key requirements:1. greater awareness of the significant figures of both data and estimates, and better understanding of the probabilistic aspects of the estimates, their confidence limits and margins of error;2. greater reliability of the information that supports the estimates, by...
Publication: CIM Bulletin
Auteur(s): Marcel Vallee, Denis Cote
Mots clés: Geostatistics, Mineral deposits, Reserve estimates, Geological appraisal, Quality control.
Numéro: 969
Volume: 86
Année: 1993
Texte
Sommaire: This paper summarizes findings of a two-month investigation in Zambia and Zimbabwe and a one-month visit to Britain in 1990-1991. United States contacts have supplied information about that country.
Zambia's political unrest and severe devaluation, combined with developments in Namibia and South Africa, enhanced staff recruiting problems in the School of Mines. Zimbabwe has a strong and developing mining department. The departments of mining in the United States and Great Britain are...
Publication: CIM Bulletin
Auteur(s): A.E. Hall
Mots clés: Education, Mining engineers, Training.
Numéro: 969
Volume: 86
Année: 1993
Texte
Sommaire: A computer-assisted process control system for the Noranda Process Reactor was installed at the Home smelter in 1991. Operating as an advisory tool for the furnace operators, and using a flexible oxygen balance as the basic building block of the computer program, the new control system has helped to reduce the variability in the grade of the matte produced by 50%. The smelter is currently operating at a 72% copper matte, with a standard deviation of between 1.0 and 1.3, while treating a wide...
Publication: CIM Bulletin
Auteur(s): D. Verhelst, Y. Prevost
Mots clés: Noranda Process, Smelters, Computer applications, Metallurgical processes, Reactors, Process control.
Numéro: 969
Volume: 86
Année: 1993
Texte
Sommaire: Managing safety on the basis of after-the-fact reaction to accidents, can never be more than partially successful. Injuries will occur as long as the underlying potential for them still exists. Unless unsafe actions and conditions are systematically decreased, no program can have more than a short-term success.
The pro-active Bullmoose loss control process, instead, focusses on heightening awareness of work habits, to prevent incidents by reducing their potential. Any safety program will be...
Publication: CIM Bulletin
Auteur(s): B.R. Casement
Mots clés: Safety, Open pit mining.
Numéro: 969
Volume: 86
Année: 1993
Texte
Sommaire: Effective and timely communication during routine operations, and especially during emergency situations, is no easy task in any underground mine. At Cominco Fertilizers, Potash Operations, where 150 people are employed underground to produce 3.1 million tonnes of potash per annum at a depth of 1100 m (3600ft), this is no exception. The over-all mine workings underlie an area of approximately 20 km2 with average travel time to the active mining areas being approximately 30 to 40 minutes by...
Publication: CIM Bulletin
Auteur(s): S.L. Gula
Mots clés: Underground mining systems, FED communication systems, Communications, Safety.
Numéro: 969
Volume: 86
Année: 1993
Texte
Sommaire: Respirable dust samples are collected by the U.S. Mine Safety and Health Administration (MSHA) and mine operators as part of the requirements of the Federal Coal Mine Health and Safety Act of 1969. About 1.85 million respirable dust samples collected by MSHA were analyzed for the period 1971 to 1990 for the states of Alabama, Colorado, Illinois, Kentucky, Ohio, Pennsylvania, Utah, Virginia, and West Virginia. Trends in coal dust exposure of continuous miner operators, helpers, and roof...
Publication: CIM Bulletin
Auteur(s): L. Xu
Mots clés: Coal mining, Health, Safety, Respirable dust, Dust control, Statistical analyses, U.S. Mine Safety and Health Administration (MSHA).
Numéro: 969
Volume: 86
Année: 1993
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