Methanol contamination of naphtha: A case study
Creative problem solving was used to upgrade off-spec export products while minimizing tank storage
In this article, a refiner needed a solution to recover export-oriented naphtha contaminated by methanol (MeOH). This is an actual case in which one of three 30,000-m3 capacity tanks used to store naphtha export was found to be severely contaminated with MeOH. A water-washing solution was applied to reprocess the naphtha in-situ and to remove MeOH from the naphtha, along with returning the storage tank back to continuous operations.
Problem-solving approach. The approach to solving problems such as this type is threefold. First, understand the root cause of the incident and rectify it. Second, develop a theoretical basis to resolve the problem and validate it. Third, evaluate and implement
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