Páginas DesdeChemical Engineering September 2013-2

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Call for abstracts: AIChE Meeting Professionals working in all areas of chemical engineer- ing and related disciplines are invited to submit ab- stracts for the AIChE Spring Meeting (New Orleans, La., March 30–April 3, 2014), in a number of subject and topi- cal areas including the following: Subject areas: Chemical Engineering & the Law; Edu- cation; Energy; Environmental Issues; Flow Assurance; Fuels & Petrochemicals; Management; Manufacturing; Process and Product Development; Process Safety; Sepa- rations; Sustainability; Training for Young Engineers Topical Conferences: Upstream Engineering; Shale Gas and Light/Tight Oil; 2nd International Conference on Upstream Engineering and Flow Assurance; 14th Topical Conference on Gas Utilization; 17th Topical Conference on Refinery Processing; 26th Ethylene Producers’ Confer- ence; Distillation Symposium; Manufacturing in the 21st Century; Emerging Technologies in Clean Energy for the 21st Century; The 10th Global Congress on Process Safety, featuring the 29th CCPS International Confer- ence, 48th Loss Prevention Symposium, and the 16th Process Plant Symposium Deadlines for submissions are October 1 for the Global Congress on Process Safety, and October 28 for other sub- missions. To submit a proposal, visit www.aiche.org/spring. Postscripts, corrections June, The second and third paragraphs of the Chementa- tor, “A new butadiene process is set for commercializa- tion,” on p. 15, each had a mistake. The correct paragraph should read as follows (corrections in italics): In Wison’s oxidative dehydrogenation (ODH) process (flowsheet), butanes and lighter components are first separated in the C4 pre-separation unit. Butenes are then mixed with air and steam and dehydrogenated in the ODH reactor. After recovering the heat, the reaction gas is further cooled and scrubbed to remove acids and other impurities, then compressed. Crude 1,3-butadiene (13BD) is recovered by an absorber/deabsorber unit, and then purified in a 13BD-extraction unit. The ODH reaction features a new, patent-pending cata- lyst developed by Wison, which is based on the traditional B-02 (iron-based) catalyst technology. Compared to the traditional catalyst, the new catalyst achieves: a 3–4% increase in the conversion of butene to butadiene, to reach a conversion of 77–79% in a single-pass; and a 2–3% increase in the selectivity for 13BD, to reach a final selec- tivity of 92–94%, says Li. He also adds that the improved heat integration leads to a 15% reduction in utility con- sumption compared to existing technology. A revised version of the Chementator can be found at www.che.com/chementator/10566.html. Letters Do you have — • Ideas to air? • Feedback about our articles? Comments about today’s engineering practice or education? • Job-related problems or gripes to share? If so — Send them, for our Letters column, to Dorothy Lozowski, Chemical Engineering, Access Intelligence, 88 Pine St., 5th floor, New York, NY 10005; [email protected] Müller GmbH - 79 618 Rheinfelden (Germany) Industrieweg 5 - Phone: +49(0)7623/969-0 - Fax: +49(0)7623/969-69 A company of the Müller group [email protected] - www.mueller-gmbh.com Ultra-Clean The new cGMP-drum offers process reliability by validated cleaning procedures Details of the Ultra-Clean line: Sanitary welded edging Geometry of beads and bottom optimized for clean discharge of product and for drum cleaning Body, base and lid in stainless steel AISI 316 FDA-approved silicone elastomer seal ring, USP Class VI Choose from a range of 20 different sizes Compliant with FDA and cGMP guidelines Circle 23 on p. 76 or go to adlinks.che.com/45776-23 Circle 2 on p. 76 or go to adlinks.che.com/45776-02 6 CHEMICAL ENGINEERING WWW.CHE.COM SEPTEMBER 2013

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Transcript of Páginas DesdeChemical Engineering September 2013-2

Page 1: Páginas DesdeChemical Engineering September 2013-2

Call for abstracts: AIChE MeetingProfessionals working in all areas of chemical engineer-ing and related disciplines are invited to submit ab-stracts for the AIChE Spring Meeting (New Orleans, La., March 30–April 3, 2014), in a number of subject and topi-cal areas including the following:

Subject areas: Chemical Engineering & the Law; Edu-cation; Energy; Environmental Issues; Flow Assurance; Fuels & Petrochemicals; Management; Manufacturing; Process and Product Development; Process Safety; Sepa-rations; Sustainability; Training for Young Engineers

Topical Conferences: Upstream Engineering; Shale Gas and Light/Tight Oil; 2nd International Conference on Upstream Engineering and Flow Assurance; 14th Topical Conference on Gas Utilization; 17th Topical Conference on Refinery Processing; 26th Ethylene Producers’ Confer-ence; Distillation Symposium; Manufacturing in the 21st Century; Emerging Technologies in Clean Energy for the 21st Century; The 10th Global Congress on Process Safety, featuring the 29th CCPS International Confer-ence, 48th Loss Prevention Symposium, and the 16th Process Plant Symposium

Deadlines for submissions are October 1 for the Global Congress on Process Safety, and October 28 for other sub-missions. To submit a proposal, visit www.aiche.org/spring.

Postscripts, correctionsJune, The second and third paragraphs of the Chementa-tor, “A new butadiene process is set for commercializa-tion,” on p. 15, each had a mistake. The correct paragraph should read as follows (corrections in italics):

In Wison’s oxidative dehydrogenation (ODH) process (flowsheet), butanes and lighter components are first separated in the C4 pre-separation unit. Butenes are then mixed with air and steam and dehydrogenated in the ODH reactor. After recovering the heat, the reaction gas is further cooled and scrubbed to remove acids and other impurities, then compressed. Crude 1,3-butadiene (13BD) is recovered by an absorber/deabsorber unit, and then purified in a 13BD-extraction unit.

The ODH reaction features a new, patent-pending cata-lyst developed by Wison, which is based on the traditional B-02 (iron-based) catalyst technology. Compared to the traditional catalyst, the new catalyst achieves: a 3–4% increase in the conversion of butene to butadiene, to reach a conversion of 77–79% in a single-pass; and a 2–3% increase in the selectivity for 13BD, to reach a final selec-tivity of 92–94%, says Li. He also adds that the improved heat integration leads to a 15% reduction in utility con-sumption compared to existing technology.

A revised version of the Chementator can be found at www.che.com/chementator/10566.html.

Letters

Do you have — • Ideas to air? • Feedback about our articles?• Comments about today’s engineering practice or education?• Job-related problems or gripes to share?If so — Send them, for our Letters column, to

Dorothy Lozowski, Chemical Engineering, Access Intelligence, 88 Pine St., 5th floor, New York, NY 10005; [email protected]

Müller GmbH - 79618 Rheinfelden (Germany)Industrieweg 5 - Phone: +49(0)7623/969-0 - Fax: +49(0)7623/969-69A company of the Müller group [email protected] - www.mueller-gmbh.com

Ultra-CleanThe new cGMP-drumoffers process reliability byvalidated cleaning procedures

Details of the Ultra-Clean line:

– Sanitary welded edging– Geometry of beads and bottom

optimized for clean discharge of product and for drum cleaning

– Body, base and lid in stainless steel AISI 316

– FDA-approved silicone elastomerseal ring, USP Class VI

– Choose from a range of 20 different sizes

– Compliant with FDA and cGMPguidelines

Chemical Engineering e UC 86x123 03/2011Mu?llerGmbh_Chemical Engineering e 86x123_2011.qxd:Mu�ll

Circle 23 on p. 76 or go to adlinks.che.com/45776-23

Circle 2 on p. 76 or go to adlinks.che.com/45776-026 ChemiCal engineering www.Che.Com September 2013

04_CHE_090113_LET.indd 6 8/20/13 3:42:01 PM