Chemical Processing - July 2008 - (Page 40) Making it work substantial savings Figure 1. Adding insulation, stopping leaks and repairing steam traps played key roles. • Installing a back-pressure turbine drive. The site generates 600-psig steam but most applications only require 200-psig steam. The backpressure turbine drive could generate electricity to power some critical equipment and save around 1,950 M Wh and more than $120,000. ImpressIve results The estimates the team developed using SSAT came very close to the benefits Dow actually achieved for the near-term projects. The steam-trap repair project provided annual energy savings of 109,000 million Btu and about $800,000 in costs. Efforts to combat leaks led to annual savings of 163,000 million Btu and more than $1.1 million. Implementation costs for both programs totaled about $225,000, so payback was achieved in little more than six weeks! Steam trap maintenance and leak management are now ongoing programs. In the short-term, insulation inspection and repair is still being conducted with a minimum mandatory visual inspection of all plant distribution lines every three years. In addition, a condensate project is part of the new capital spending plan for implementation in 2009. Medium-term and additional long-term Dow driven energy efficiency and conservation projects have been captured in an opportunity tracking system and will be made part of the plant specific technology plan. These opportunities could be part of future capital spending plans. Jason W. Gathright is senior improvement specialist, energy systems, and site energy intensity leader for the St. Charles Operations, Hahnville, La., of Union Carbide Corp., a subsidiary of The Dow Chemical Co. E-mail him at JWGathright@dow.com. http://www.msanet.com http://www.msanet.com http://www.msanet.com/chemprocess.html
Table of Contents Feed for the Digital Edition of Chemical Processing - July 2008 Chemical Processing - July 2008 Contents From the Editor ChemicalProcessing.com Field Notes In Process Energy Saver Compliance Advisor Who’s a Big Hit? Succeed with Condensate Control Take Some Basic Steps with pH Measurements Steam Projects Provide Fast Payback Process Puzzler Plant InSites Equipment & Services Product Spotlight/Classifieds/Ad-Lits Ad Index End Point Chemical Processing - July 2008 Chemical Processing - July 2008 - Chemical Processing - July 2008 (Page Cover1) Chemical Processing - July 2008 - Chemical Processing - July 2008 (Page Cover2) Chemical Processing - July 2008 - Chemical Processing - July 2008 (Page 3) Chemical Processing - July 2008 - Chemical Processing - July 2008 (Page 4) Chemical Processing - July 2008 - Contents (Page 5) Chemical Processing - July 2008 - Contents (Page 6) Chemical Processing - July 2008 - From the Editor (Page 7) Chemical Processing - July 2008 - From the Editor (Page 8) Chemical Processing - July 2008 - ChemicalProcessing.com (Page 9) Chemical Processing - July 2008 - ChemicalProcessing.com (Page 10) Chemical Processing - July 2008 - Field Notes (Page 11) Chemical Processing - July 2008 - In Process (Page 12) Chemical Processing - July 2008 - In Process (Page 13) Chemical Processing - July 2008 - In Process (Page 14) Chemical Processing - July 2008 - Energy Saver (Page 15) Chemical Processing - July 2008 - Energy Saver (Page 16) Chemical Processing - July 2008 - Compliance Advisor (Page 17) Chemical Processing - July 2008 - Who’s a Big Hit? (Page 18) Chemical Processing - July 2008 - Who’s a Big Hit? (Page 19) Chemical Processing - July 2008 - Who’s a Big Hit? (Page 20) Chemical Processing - July 2008 - Who’s a Big Hit? (Page 21) Chemical Processing - July 2008 - Who’s a Big Hit? (Page 22) Chemical Processing - July 2008 - Who’s a Big Hit? (Page 23) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 24) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 25) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 26) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 27) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 28) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 29) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 30) Chemical Processing - July 2008 - Succeed with Condensate Control (Page 31) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 32) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 33) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 34) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 35) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 36) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 37) Chemical Processing - July 2008 - Take Some Basic Steps with pH Measurements (Page 38) Chemical Processing - July 2008 - Steam Projects Provide Fast Payback (Page 39) Chemical Processing - July 2008 - Steam Projects Provide Fast Payback (Page 40) Chemical Processing - July 2008 - Process Puzzler (Page 41) Chemical Processing - July 2008 - Plant InSites (Page 42) Chemical Processing - July 2008 - Plant InSites (Page 43) Chemical Processing - July 2008 - Equipment & Services (Page 44) Chemical Processing - July 2008 - Equipment & Services (Page 45) Chemical Processing - July 2008 - Product Spotlight/Classifieds/Ad-Lits (Page 46) Chemical Processing - July 2008 - Product Spotlight/Classifieds/Ad-Lits (Page 47) Chemical Processing - July 2008 - Product Spotlight/Classifieds/Ad-Lits (Page 48) Chemical Processing - July 2008 - Ad Index (Page 49) Chemical Processing - July 2008 - End Point (Page 50) Chemical Processing - July 2008 - End Point (Page Cover3) Chemical Processing - July 2008 - End Point (Page Cover4)
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