Chemical Engineering » Processing & Handling http://www.chemengonline.com Chemical Engineering essentials for the global chemical processing industries (CPI) Tue, 11 Jul 2017 18:15:47 +0000 en-US hourly 1 http://wordpress.org/?v=4.0 A first commercial step towards on-site ammonia production http://www.chemengonline.com/first-commercial-step-towards-site-ammonia-production/ http://www.chemengonline.com/first-commercial-step-towards-site-ammonia-production/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145705 A new company — Tsubame BHB Co., Ltd. (Tokyo, Japan; www.tsubame-bhb.co.jp) — has been established to commercialize the world’s first on-site production of ammonia for supplying amino-acid synthesis

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]]> http://www.chemengonline.com/first-commercial-step-towards-site-ammonia-production/feed/ 0 Facts at Your Fingertips: Zeolites http://www.chemengonline.com/zeolites/ http://www.chemengonline.com/zeolites/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145863 Department Editor: Scott Jenkins The physical properties of zeolites make them extremely important in many industrial processes. This one-page reference provides information on the structure and chemistry of

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]]> http://www.chemengonline.com/zeolites/feed/ 0 Activated Carbon: Fundamentals and New Applications http://www.chemengonline.com/activated-carbon-fundamentals-new-applications/ http://www.chemengonline.com/activated-carbon-fundamentals-new-applications/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145907 Activated carbon sorbents are important tools in water purification and air-pollution control. This article provides information on the fundamentals of this diverse sorbent and on new applications for which it

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]]> http://www.chemengonline.com/activated-carbon-fundamentals-new-applications/feed/ 0 Technology Profile: Urea Production from Ammonia via a Self-Stripping Process http://www.chemengonline.com/urea-production-nh3-via-self-stripping-process/ http://www.chemengonline.com/urea-production-nh3-via-self-stripping-process/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145875 Urea is a nitrogenous compound consisting of a carbonyl group attached to two amine groups. Urea plays an important role in many biological processes, but is also an important material in synthesis (for

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]]> http://www.chemengonline.com/urea-production-nh3-via-self-stripping-process/feed/ 0 Nitric Acid in the Spotlight http://www.chemengonline.com/nitric-acid-spotlight/ http://www.chemengonline.com/nitric-acid-spotlight/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145761 Efforts continue to make nitric-acid production more efficient with lower emissions of greenhouse gases Like the ammonia used to make it, nitric acid (NA) continues to be produced by a process nearly a century

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]]> http://www.chemengonline.com/nitric-acid-spotlight/feed/ 0 Electrostatic spray drying protects heat-sensitive products http://www.chemengonline.com/electrostatic-spray-drying-protects-heat-sensitive-products/ http://www.chemengonline.com/electrostatic-spray-drying-protects-heat-sensitive-products/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145717 A spray-drying technology that applies an electrical charge to feedstock as it exits the atomizing nozzle allows significant reductions in processing temperature and can eliminate downstream processing steps

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]]> http://www.chemengonline.com/electrostatic-spray-drying-protects-heat-sensitive-products/feed/ 0 Responsive coatings lead to stronger 3-D-printed parts http://www.chemengonline.com/responsive-coatings-lead-stronger-3-d-printed-parts/ http://www.chemengonline.com/responsive-coatings-lead-stronger-3-d-printed-parts/#comments Sat, 01 Jul 2017 00:00:00 +0000 http://www.chemengonline.com/?p=145709 Additive manufacturing (3-D printing) has quickly gained popularity, due in part to its potential for rapidly creating customized parts. However, one inherent limitation of additive manufacturing —

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]]> http://www.chemengonline.com/responsive-coatings-lead-stronger-3-d-printed-parts/feed/ 0 Storage Tanks: Heating and Cooling System Design http://www.chemengonline.com/storage-tanksheating-cooling-system-design/ http://www.chemengonline.com/storage-tanksheating-cooling-system-design/#comments Mon, 01 May 2017 00:00:00 +0000 http://www.chemengonline.com/?p=142231 Various heating or cooling options are described here, along with the factors and design parameters that need to be considered. A sample calculation regarding coils is included Tanks constitute important

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]]> http://www.chemengonline.com/storage-tanksheating-cooling-system-design/feed/ 0 Pipes, Tubes and Fittings http://www.chemengonline.com/pipes-tubes-and-fittings/ http://www.chemengonline.com/pipes-tubes-and-fittings/#comments Sat, 01 Apr 2017 00:00:00 +0000 http://www.chemengonline.com/?p=140283 This pipe-milling end-prep tool is for beveling boiler tubes The Esco Wart Millhog (photo) is a pipe-beveling machine that is designed for making repairs to water-wall boiler tubes. It features a

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]]> http://www.chemengonline.com/pipes-tubes-and-fittings/feed/ 0 Technology Profile: Sulfuric Acid Production from Sulfur http://www.chemengonline.com/sulfuric-acid-production-from-sulfur-3/ http://www.chemengonline.com/sulfuric-acid-production-from-sulfur-3/#comments Wed, 01 Mar 2017 00:00:00 +0000 http://www.chemengonline.com/?p=138815 Sulfuric acid (H2SO4) is among the most important industrial chemicals, with large-scale uses in several industry sectors, such as basic chemicals, fertilizers, petroleum refining, metals, explosives

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