October 2015

HPI Focus: Petrochemical Update

A chemist’s perspective on organic fouling in ethylene operations: update

Ethylene manufacturing is a continuous race to be commercially competitive in a volatile global market.

Hancock, J. M., Nalco Champion; Robson, I., Vachon, J., SABIC Technology & Innovation

Ethylene manufacturing is a continuous race to be commercially competitive in a volatile global market. Innovation and resourcefulness toward this goal comes in many forms: Processing low-cost feedstocks, including cheap or “dirty” hydrocarbon streams Feedstock flexibility—i.e., a nimbly changing feedslate based on market conditions Modifying cracking severity to maximize selectivity of high-value products Extending unit, reboiler or plant run lengths Recycling streams to maximize the recovery of high-value products. Each of these strategies measurably impacts fouling severity within a given plant; to quantify this impact is a challenge. Underestimating potential fouling events, or

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