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08515 HDPE Solves Alkylation Sewer Corrosion Problems in Refinery

Picture for 08515 HDPE Solves Alkylation Sewer Corrosion Problems in Refinery
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Product Number: 51300-08515-SG
ISBN: 08515 2008 CP
Author: Christine Osborne
Publication Date: 2008
Industry: Water/Wastewater
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Oil refineries use sulfuric acid or hydrofluoric acid as a catalyst in the alkylation of isobutene. Process wastewater streams discharging from alkylation units, where this process step takes place, are often characterized by a low pH. This low pH wastewater reacts with alkaline Portland cement in concrete wastewater collection and conveyance structures, compromising their structural integrity. This paper reviews one oil refinery’s use of high-density polyethylene liners to renovate and protect its deteriorated concrete process sewer structures downstream of its sulfuric acid alkylation unit.
Oil refineries use sulfuric acid or hydrofluoric acid as a catalyst in the alkylation of isobutene. Process wastewater streams discharging from alkylation units, where this process step takes place, are often characterized by a low pH. This low pH wastewater reacts with alkaline Portland cement in concrete wastewater collection and conveyance structures, compromising their structural integrity. This paper reviews one oil refinery’s use of high-density polyethylene liners to renovate and protect its deteriorated concrete process sewer structures downstream of its sulfuric acid alkylation unit.
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04600 Microbiologically Influenced Corrosion Failure of AISI Type 304 Stainless Steel in a Wastewater Treatment System

Product Number: 51300-04600-SG
ISBN: 04600 2004 CP
Author: Kurissery R. Sreekumari, Kyozo Hirotani, and Yasushi Kikuchi, Osaka University; Katsuya Akamatsu, Ka
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The rapid and unexpected failure of AISI type 304 stainless steel in a wastewater treatment system was investigated in the laboratory by simulation studies for a period of 4 months. Slime and water samples from the failure site were screened for corrosion causing bacteria.
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07570 The Top Ten Corrosion Issues Affecting HF Alkylation Units

Product Number: 51300-07570-SG
ISBN: 07570 2007 CP
Author: Jonathan D. Dobis
Publication Date: 2007
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This paper summarizes the Top Ten corrosion issues and examines the controlling factors that affect damage including the effects of operating parameters. Best industry practices used to monitor for problems and to inspect for damage are discussed.
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03651 Specification for Carbon Steel Materials for Hydrofluoric Acid Alkylation Units

Product Number: 51300-03651-SG
ISBN: 03651 2003 CP
Author: Andy Gysbers, Hisham Hashim, Dannie Clarida, Gregmar Chirinos, Dr. John Marsh, Dr. Jim Palmer
Publication Date: 2003
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 Joint Industry Project “Materials Specification for HF Alkylation Plant” to develop test and corrosion rate measurement procedures for materials in HF environments and to develop a carbon steel materials specification w.r.t levels of residual elements and carbon in steels for HF alkylation equipment.
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