ASTM D4929 PDF

The ASTM D is the most popular international standard to measure the amount of organic chloride content in crude oil. Refineries often allow no more than. 8 Jun ASTM D Organic Chlorides in Crude. 6/8/17 COQA meeting. Methodology: A crude oil sample is distilled to °F to collect the naphtha. ASTM D Standard Test Method for Determination of Organic Chlorine Content in Crude Oil. Organic chlorines do not occur naturally in crude oil.

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Organic chlorides are not known to be naturally present in crude oils and usually result from cleaning operations at producing sites, pipelines, or tanks.

Organic chlorides are not known to be naturally present in crude oils and usually result from cleaning operations at producing sites, pipelines, or tanks. Hydrochloric acid can be produced in hydrotreating or reforming reactors and the acid accumulates in condensing regions of the refinery.

Some compounds break down during fractionation and produce hydrochloric acid, which has a corrosive effect. Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: It is important for the oil industry to have common methods available for the determination of organic chlorides in crude oil, particularly when transfer of custody is involved.

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Some compounds break down during fractionation and produce hydrochloric acid, which has a corrosive effect.

Unexpected concentrations of organic chlorides cannot be effectively neutralized and damage can result. Some compounds survive fractionation and are destroyed during hydro-treating desulfurization of the naphtha.

When present, they result from contamination in some manner, such as disposal of astj solvent used in many dewaxing pipeline or other equipment operations. It is important for the oil industry to have common methods available for the determination of organic chlorides in crude oil, particularly when transfer of custody is involved.

ASTM D – 17 Standard Test Method for Determination of Organic Chloride Content in Crude Oil

Link to Active This link will always route to the current Active version of the standard. See Section 5 regarding potential interferences. Organic chlorines do not occur naturally in crude oil. ASTM D method Procedure B covers the determination of organic Chlorine in the washed naphtha fraction of crude oil by oxidative combustion followed by microcoulometric titration.

Hydrochloric acid can be produced in hydrotreating or reforming reactors and the acid accumulates in condensing regions of the refinery. Work Item s – proposed revisions of this standard.

When present, they result from contamination in some manner, such as disposal of chlorinated solvent used in many dewaxing pipeline or other equipment operations. It is the responsibility of the user of astn standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Unexpected concentrations of organic chlorides cannot be effectively neutralized and damage can result.

ASTM D – TSHR International B.V.

Some compounds survive fractionation and are destroyed during hydro-treating desulfurization of the naphtha. Organic Chlorine species are potentially damaging to refinery processes.

Other halides can also be used for dewaxing crude oil; in such cases, any organic halides will have similar impact on the refining operations as the organic Chlorines. Historical Version s – view previous versions of standard. Organic Chlorine present in the crude oil for example, methylene chloride, perchloroethylene, etc.

No other units of measurement are included in this standard. The chloride content of the naphtha fraction of the whole crude oil can thereby be obtained.