Canadian Crude Quality Technical Association - Project - Phosphorus in Crude Oil
Phosphorus in Crude Oil

This project was initiated in 1995, in response to fraction tower fouling observed at three Canadian refineries. Phosphorus was determined to be a significant component of the foulant and traced back to additive usage within the production industry. Since its inception, the project has dealt with various phases of contaminant and key additive identification, elucidation of the fouling mechanism, the development of both chemical and process alternatives, and the implementation of crude oil specifications.

A limit was established, effective July 1, 2005, of a maximum of 0.5 ppm voltile phosphorus in crude by the Canadian Association of Petroleum Producers. Enforcement of this limit has begun effective January 1, 2007.

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