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Picture for SSPC-PA 2-2022, Procedure for Determining Conformance to Dry Coating Thickness Requirements
Available for download

SSPC-PA 2-2022, Procedure for Determining Conformance to Dry Coating Thickness Requirements

Product Number: SSPC-PA 2-2022
Publication Date: 2022
$109.00

This standard describes a procedure for determining shop or field conformance to a specified coating dry film thickness (DFT) range on ferrous and non-ferrous metal substrates using two types of nondestructive coating thickness gages (Type 1, magnetic pull-off, and Type 2, electronic) described in ASTM D7091

Picture for Design, Fabrication, and Inspection of Tanks for the Storage of Petroleum Refining Alkylation Unit Spent Sulfuric Acid at Ambient Temperatures
Available for download

NACE SP0205-2021, Design, Fabrication, and Inspection of Tanks for the Storage of Petroleum Refining Alkylation Unit Spent Sulfuric Acid at Ambient Temperatures

Product Number: NACE SP0205-2021
Publication Date: 2021
$109.00

Sulfuric acid (H2SO4) is the largest volume commodity chemical in use today.It plays some part in the production ofnearly all manufactured goods. One large use of concentrated sulfuric acid is used as a catalyst for refinery alkylationunits.Intheseunits,C3-C5olefinssuchaspropyleneorbutylenearereactedwithisobutanetoformgasoline-blendingcomponents such as isoheptane and isooctane.These gasoline-blending components are used to boost octane forautomobileandaviationfuels.

 

Most refineries have an alkylation unit that uses either hydrofluoric acid (HF) or sulfuric acid as the alkylation catalyst.Thisstandarddealswithspentsulfuricacidassociatedwiththesulfuricacidalkylationprocessonly.