Amine Performance Provides Gas Plant Real-time Information Results in Operational Efficiency Improvements

Situation

A gas processing plant experienced high operating costs in the amine unit. Amine solvent usage was triple the volume when compared to similar plants in the area. Heat Stable Salts (HSS), bicine, acetates and thiosulfates were all extremely high, increasing corrosion in the unit.  The plant wanted to identify the reason for the amine loss as well as understand where their usage rates should be based on the design and operating conditions of the plant.

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Solution

Nalco Water’s OMNI™ Amine Performance Monitor was installed to help determine the reason for this plant’s high usage. The plant used the real-time corrosion data and online trending feature to shut in a problem well. Amine concentration, lean amine loading and HSS indicator were accessed remotely by managers and operators. As a result, daily onsite testing was eliminated. Alerts of sudden changes in amine strength due to upsets or leaks is made possible through digital monitoring of the solvent concentration.

Benefit

Since the Amine Performance Monitor was installed, amine solvent replacement and filter changeouts have dropped significantly. The plant used the corrosion measurements to take proactive measures to protect their amine unit from corrosion. Oxygen spikes are now caught and as a result, amine performance has improved usage rate has dropped by 68% (lbs amine/mmscf).One year after implementation the plant saw another 16% reduction in amine consumption with water savings due to new visibility and insight on key solvent performance indicators. The plants move to becoming proactive in response to operational challenges was also realized.  Continuous validation of amine plant efficiency is viewed via the OMNI Amine Performance Dashboard.

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WATER

Annual reduction of 

10-20% or

>50-100k gallons

ENERGY

Savings from improved regenerator efficiency

PRODUCTIVITY

Reduce/eliminate daily testing by 

1.5 hours, 1638 hrs/yr

Target 1% increase in liquid product capture

COST

Amine performance improvement yielded

>31% to 68%

in cost savings (gal/mmscf processed)


Featured Solution

Gas processing pipes
OMNI™ Amine Performance

OMNI Amine Performance provides critical leading indicators of overall amine health and performance along with enterprise-wide visibility through ECOLAB3D™. This level of insight allows for proactive operational and process changes for increased efficiency and performance.

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