N Butyl Acetate
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Author | : Philip Copestake |
Publisher | : World Health Organization |
Total Pages | : 60 |
Release | : 2005 |
Genre | : Medical |
ISBN | : 9789241530644 |
Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organization and the World Health Organization, and produced within the framework of the Inter-organization Programme for the Sound Management of Chemicals (IOMC). On cover: IPCS International Programme on Chemical Safety
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Author | : Canadian Centre for Occupational Health and Safety |
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Release | : 1990 |
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Author | : British Standards Institution |
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Total Pages | : 9 |
Release | : 1956 |
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Author | : British Standards Institution |
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Total Pages | : 7 |
Release | : 1965 |
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Author | : Irvin Bachman |
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Total Pages | : 108 |
Release | : 1941 |
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Author | : American Society for Testing and Materials |
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Total Pages | : 2 |
Release | : 1980 |
Genre | : Solvents |
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Author | : Niosh |
Publisher | : www.Militarybookshop.CompanyUK |
Total Pages | : 456 |
Release | : 2012-06-01 |
Genre | : Technology & Engineering |
ISBN | : 9781780398518 |
The NIOSH Pocket Guide to Chemical Hazards presents information taken from the NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards, from National Institute for Occupational Safety and Health (NIOSH) criteria documents and Current Intelligence Bulletins, and from recognized references in the fields of industrial hygiene, occupational medicine, toxicology, and analytical chemistry. The information is presented in tabular form to provide a quick, convenient source of information on general industrial hygiene practices. The information in the Pocket Guide includes chemical structures or formulas, identification codes, synonyms, exposure limits, chemical and physical properties, incompatibilities and reactivities, measurement methods, respirator selections, signs and symptoms of exposure, and procedures for emergency treatment.
Author | : |
Publisher | : |
Total Pages | : 214 |
Release | : 2006 |
Genre | : Acetates |
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In this research, the simulations of n-butyl acetate synthesis from n-butanol and dilute acetic acid via reactive distillation, in which chemical reactions and separations occur simultaneously, were studied by ASPEN PLUS program. n-butyl acetate esterification was catalyzed by Amberlyst 15. The objective of this work is to produce n-butyl acetate with a concentration not less than 98 mol%. he studies were divided into 2 main parts of pilot and industrial scales. In the pilot scale study, it was found that the reactive distillation equipped with a decanter with total recycle of the organic phase to the column at stage 2 is a suitable column configuration. For the single reactive distillation column, when the concentration of acetic acid is lowered, higher overall energy of the system is required. Considering the case with a pretreatment of acetic acid from 35 wt% to 65 wt%, the pervaporation-reactive distillation hybrid system requires lower energy than the distillation-reactive distillation hybrid system as well as the case with the single reactive distillation. In the industrial scale study, total energy consumptions of the systems follow similar trend of the pilot scale study. However, when considering the total annual cost for the case with 35 wt% acetic acid feed, it was revealed that the single reactive distillation consisting of 0 rectifying, 7 reaction, and 2 stripping stages offers the lowest total annual cost followed by the pervaporation-reactive distillation hybrid system and the distillation-reactive distillation hybrid system,respectively.
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