Articles Archives
Basics of Phase Equilibria
Nov 08 2010 01:10 PM |
Chris Haslego
in Archived Articles
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Chemistry of Photography
Nov 08 2010 01:30 PM |
Chris Haslego
in Other Topics
While it is easy to make comparisons between the pupil of the eye and the f-stop of a camera or between the retina of the eye and photographic film, once we get past the basic similarities of the optics of the two systems, comparisons begin to rapidly...
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A Lesson Learned from Plants
Nov 08 2010 01:20 PM |
Chris Haslego
in Archived Articles
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Pinch Technology: Basics for Beginners
Nov 08 2010 01:30 PM |
Mukesh Sahdev
in Heat Transfer
While oil prices continue to climb, energy conservation remains the prime concern for many process industries. The challenge every process engineer is faced with is to seek answers to questions related to their process energy patterns. A few of the fre...
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Measure Discharge Flow from a Horizontal Pipe
Nov 08 2010 01:30 PM |
Chris Haslego
in Calculations and Tips
Ever been confronted with the exit of a horizontal pipe full of flow? Wouldn't it be nice if there was a simple method to determine the flow rate in the pipe? Here's a method that may help. This works surprisingly well and is very easy to do. All m...
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What About Plastics?
Nov 08 2010 01:20 PM |
Chris Haslego
in Archived Articles
Archived article in PDF formatThis is a legacy article shown in Adobe Acrobat format embedded into the page below. If you cannot see the article below, please download Acrobat Reader.
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Plate Heat Exchangers: Preliminary Design
Nov 08 2010 12:50 PM |
Chris Haslego
in Heat Transfer
Numerous articles have been published regarding the advantages of compact heat exchangers. Briefly, their higher heat transfer coefficients, compact size, ease of service, cost effectiveness, and their unique ability to handle fouling fluids make compa...
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Pneumatic Conveying Design
Nov 08 2010 01:00 PM |
Chris Haslego
in Bulk Solids
One of the most popular methods of moving solids in the chemical industry is pneumatic conveying. Pneumatic conveying refers to the moving of solids suspended in or forced by a gas stream through horizontal and/or vertical pipes. Pneumatic conveying ca...
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Basics of Polystyrene Production
Nov 08 2010 01:40 PM |
Chris Haslego
in Process and Reactions
Polystyrene is a widely used polymer. After production of the monomer, from one of a few processes, the monomer proceeds to further processing to form polystyrene. Styrene Monomer ProductionThe energy needed for the reaction is supplied by superheate...
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polystyrene, production, basics
Factors Affecting the Quality of Quicklime
Nov 08 2010 01:30 PM |
Chris Haslego
in Archived Articles
Archived article in PDF format This is a legacy article shown in Adobe Acrobat format embedded into the page below. If you cannot see the article below, please download Acrobat Reader.
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quicklime, factors, quality
Refinery Planning and Optimization
Nov 08 2010 01:10 PM |
Mukesh Sahdev
in Energy
Modern optimization techniques have challenged organizations to rethink the way they conduct business both internally and externally, i.e. how efficiently and effectively their entire supply chain is managed. Supply Chain Management (SCM) is one such b...
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A Students Guide to Refining
Nov 08 2010 01:20 PM |
Chris Haslego
in Energy
Distillation is the first step in the processing of crude oil and it takes place in a tall steel tower called a fractionation column. The inside of the column is divided at intervals by horizontal trays. The column is kept very hot at the bottom (the c...
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Specifying A Liquid-Liquid Heat Exchanger
Nov 07 2010 06:00 PM |
Chris Haslego
in Heat Transfer
As an engineer, specifying heat exchangers for procurement is an important step in the successful execution of any heat transfer or energy conservation project. Early recognition that there are many different heat transfer technologies available can he...
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Energy Conservation in Distillation
Dec 13 2010 09:23 AM |
Chris Haslego
in Separation Technology
The preferred method of separation in the chemical industry, distillation, is a very energy intensive process. Fine tuning your distillation columns (and in some cases, making major changes) can save your company thousands of dollars a year or more. Co...
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Sizing of Packed Towers in Acid Plants
Dec 13 2010 10:20 AM |
Guest
in Separation Technology
Packed towers are key components in sulfuric acid plants. Drying of the sulfur furnace air is necessary to avoid acid condensation and corrosion in downstream equipment and to minimize mist formation. Absorption of SO3 in the Interpass and Final Towers...
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Trickling Biofilters for Hydrogen Sulfide Odor...
Dec 13 2010 01:36 PM |
mwu
in Separation Technology
Controlling hydrogen sulfide and other odor emissions is a major issue for most wastewater treatment plants. H2S odors can by reduced to very low levels by wet scrubbers using caustic and chlorine or sodium hypochlorite. However, the chemical storage,...
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Biosorption
Dec 13 2010 01:52 PM |
Chris Haslego
in Separation Technology
Biosorption is the binding and concentration of heavy metals from aqueous solutions (even very dilute ones) by certain types of inactive, dead, microbial biomass6. Pioneering research on biosorption of heavy metals has led to the identification of a nu...
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Distillation Pilot Plant Design, Operating Para...
Dec 13 2010 11:53 AM |
Chris Haslego
in Separation Technology
In spite of the fact that tremendous progress is being made in understanding the performance of both random and structured packings in distillation, it is a long way from being able to predict from first principles, the efficiency, capacity and pressur...
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