The industrialist and Manchester United co-owner has apologised over comments he made about immigration.
The UK government and owners Ineos say the funding will support 500 jobs at the site's ethylene plant.
Bosses blame high energy costs and cheap imports and have called on the government to intervene.
Protesters said they were attempting to block the arrival of a tanker in a protest against Ineos.
Sir Jim Ratcliffe's Ineos Automotive will replace the door latch mechanisms in more than 7,000 SUVs.
Ineos boss is recognised for the support his company has provided to scientific research.
Brian Leishman says he is "incredibly disappointed" by Sir Keir Starmer's administration.
Ineos announces says its ethanol plant at Grangemouth has closed and issues warnings about the future of the chemical industry.
A number of expressions of interest have been made since the announcement that the refinery is to close.
