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Grangemouth scales problem

Issue 14 DEC 2018

INEOS O&P UK has cut the amount of water it needs at its plant in Grangemouth, Scotland, by 100 million gallons a year – enough to fill 5,000 average-sized swimming pools.

KG Plant Manager Kenny Stevenson said the savings had been achieved through 'significant upgrades and investments' over the past few years to improve the reliability, efficiency and safety of the ethylene plant at its petrochemical complex.

"As one of the largest manufacturers in Scotland we are constantly looking for ways to improve our environmental performance," he said.

Grangemouth had sought help from GE Water & Process Technologies because it wanted to increase the cycles of its water cooling system. It explained that it was limited to four cycles due to calcium scaling.

The solution proved to be a change of dosing products plus a new system which continuously monitored key parameters within the cooling water, these modifications allowing it to increase its cycles from four to eight.

GE Water & Process Technologies later presented INEOS O&P UK, which had also just recorded its best-ever safety performance, with a prestigious environmental award in honour of its efforts.