June 2018

Special Focus: Process Optimization

Managing process contaminants in amine treating units—Part 1: Lean amine filtration

Installation and operation of suitable contaminant removal systems, such as filtration, coalescing and adsorption equipment, have become key components in amine units.

Engel, D., Nexo Solutions; Northrop, P. S., ExxonMobil Upstream Research Co.

Installation and operation of suitable contaminant removal systems, such as filtration, coalescing and adsorption equipment, have become key components in amine units. These systems remove or avoid contaminants that negatively affect the process and its equipment. They also enable the unit to operate with stability, reliability and low operational costs, while achieving design processing capacity. Typical contaminant removal systems for amine units consist of inlet separators, gas demisters or knockout drums, liquid filters, activated carbon beds and gas coalescers. Additional technologies, such as liquid coalescers for rich amine streams to remove emulsified hydrocarbons, and amine recovery

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