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Osmotic Distillation

Nov 08 2010 01:20 PM | Chris Haslego in Archived Articles

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Ozone Cycle

Nov 08 2010 01:20 PM | Chris Haslego in Archived Articles

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Pervaporation: An Overiew

Nov 08 2010 01:20 PM | Guest in Separation Technology

Pervaporation, in its simplest form, is an energy efficient combination of membrane permeation and evaporation.   It's considered an attractive alternative to other separation methods for a variety of processes.  For example, with the low temperature...

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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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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

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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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Factors Affecting the Quality of Quicklime

Nov 08 2010 01:30 PM | Chris Haslego in Archived Articles

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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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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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ChE Plus Has Moved

Dec 29 2010 10:10 PM | Chris Haslego in Articles

ChE Plus has moved to the Community section of our website. Here, we'll explain how to access your ChE Plus files in our new interface. If you do NOT have an account set up in our community section, read below about how to gain access.Already Have a...

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Mail List Subscribers: Join Our Community

Dec 30 2010 11:20 PM | Chris Haslego in Articles

I'd like to welcome our mail list subscribers to our improved community. For years, visitors to the site had a chance to quickly fill out a brief form at the bottom of every page on the site to let us know that they wanted to be updated when new conte...

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Wine and Wine Making

Aug 02 2010 12:57 PM | Chris Haslego in Other Topics

Wine is fermented grape juice. Wine can be made from grapes, fruits, berries etc. Most wine, though , is made from grapes. And no matter what the wine is made from, there must be fermentation, that is, that sugar be transformed into alcohol. If the amount of alcohol is relatively low, the result is wine. If it is high, the result is a "distilled liquor," something like gin or vodka.



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