Chemical Engineering

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Shiv Nadar University

(SoE) School of Engineering

World University root node

Journal of Hazardous Materials

Current status of Inherently Safer Design (ISD) use.

Canadian Journal of Chemical Engineering

Letter to the editor

Hydrocarbon Processing

Inherently safer design [1]

Hazardous wastes, once generated, have to be stored, transported, treated, disposed off, recycled, depending upon the situation. With laws being tightened, all of the above operations have to be done safely without causing harm to people and environment. Before any operation is carried out, it is vital to know the hazardous characteristics of the waste to be handled. Because waste, generally, is a mixture instead of a pure compound, its hazardous characteristics are difficult to determine and generalize because each waste is specific. A new Hazardous Waste Index (HWI) is proposed in this paper. The index measures hazards related to flammability, reactivity, toxicity and corrosivity as well as the pH value for a hazardous waste. Two examples are given for its use. The index can be modified to include radioactive or mixed waste. Copyright (C) 1999 Elsevier Science B.V. Hazardous wastes, once generated, have to be stored, transported, treated, disposed off, recycled, depending upon the situation. With laws being tightened, all of the above operations have to be done safely without causing harm to people and environment. Before any operation is carried out, it is vital to know the hazardous characteristics of the waste to be handled. Because waste, generally, is a mixture instead of a pure compound, its hazardous characteristics are difficult to determine and generalize because each waste is specific. A new Hazardous Waste Index (HWI) is proposed in this paper. The index measures hazards related to flammability, reactivity, toxicity and corrosivity as well as the pH value for a hazardous waste. Two examples are given for its use. The index can be modified to include radioactive or mixed waste.

A new Hazardous Waste Index

Fulltext

Green Chemistry

Inherently safer design-a course for sciene and engineering students

DOW's Fire and Explosion Index Hazard Classification Guide (DOW Index) has become a standard document in many countries, including several developing countries. The DOW Index, first issued by the DOW Chemical Co. in 1964, was based upon the Factory Mutual's Chemical Occupancy Classification Guide. The latter as well as subsequent revisions of the DOW Index are based primarily on the experiences in the U.S. which, while applicable to other developed countries, will not be applicable to developing countries in toto, due to differences in costs, training, attitudes and regulations. (This is not intended as a criticism of the situation in the developing countries, since many of the developed countries had themselves passed through similar situations in previous years.) Application of the DOW Index as is, therefore, results in lower than realistic values, thus giving a false sense of security than is actually warranted by the situation in hand. Suggested below are changes that should be and can easily be made to take into account the ground realities. Mentioned in separate sections are also a few comments on the recently issued DOW Index, 7th edition, to make it more internationally user-friendly, as well as suggestions to include some more items to make the DOW Index more dynamic. DOW's Fire and Explosion Index Hazard Classification Guide (DOW Index) has become a standard document in many countries, including several developing countries. The DOW Index, first issued by the DOW Chemical Co. in 1964, was based upon the Factory Mutual's Chemical Occupancy Classification Guide. The latter as well as subsequent revisions of the DOW Index are based primarily on the experiences in the U.S. which, while applicable to other developed countries, will not be applicable to developing countries in toto, due to differences in costs, training, attitudes and regulations. (This is not intended as a criticism of the situation in the developing countries, since many of the developed countries had themselves passed through similar situations in previous years.) Application of the DOW Index as is, therefore, results in lower than realistic values, thus giving a false sense of security than is actually warranted by the situation in hand. Suggested below are changes that should be and can easily be made to take into account the ground realities. Mentioned in separate sections are also a few comments on the recently issued DOW Index, 7th edition, to make it more internationally user-friendly, as well as suggestions to include some more items to make the DOW Index more dynamic.

Journal of Loss Prevention in the Process Industries

Application of DOW's fire and explosion index hazard classification guide to process plants in the developing countries

International Communications in Heat and Mass Transfer

A note on 1-2 heat exchanger trouble shooting

A method is proposed for computing the upper hound on the local water temperature rise with respect to the hulk temperature in a spent fuel pool. The solution involves casting the continuity and momentum relationships in integral form in terms of the unknown velocity functions. The method of collocation is used to solve the problem. Computer application of this method shows it to he an efficient and cost-effective design tool. © 1986 Taylor and Francis Group, LLC.

Heat Transfer Engineering

Method for computing the maximum water temperature in a fuel pool containing spent nuclear fuel

International Journal of Heat and Mass Transfer

Mass transfer in a rotating disc oxygenator

Entrainment of liquid droplets in vapor or gas is frequently encountered in gas-liquid contactors and in vapor generators, such as reboilers, evaporators, trays of distillation column, etc. , due to an incomplete separation of the two phases when the vapor leaves the liquid. Entrainment lowers the efficiency of the equipment as well as the quality or purity of the product. The authors have done a dimensional analysis of the variables involved and carried out experiments to evolve a correlation. The dimensionless correlation so obtained is given.

Heat Transfer, Proceedings of the International Heat Transfer Conference

STUDY OF LIQUID ENTRAINMENT IN GAS-LIQUID CONTACTORS AND VAPOUR GENERATORS.