EU assembly chief Martin Schulz also planned an 11th-hour huddle with Paul Magnette, head of Wallonia's socialist government which is blocking the agreement between Ottawa and the 28-nation European Union.
The Brussels meetings are aimed at "reviving CETA talks. We can't stop at the last mile," Schulz wrote on Twitter, referring to the agreement's name.
CETA would link the EU market of 500 million people with the world's 10th biggest economy.
"I really hope that the Europeans can bring it to a conclusion and that I can come back in a few days with my prime minister to sign the agreement," she said, cited by Belgium's Belga news agency.
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The accord was initially scheduled to be signed next Thursday with Prime Minister Justin Trudeau in Brussels -- and Schulz said that that date remained in the diary.
"The problems are on the Europeans' table and we have to try to resolve them," he said. "This meeting was very constructive and will perhaps be decisive.
Canada blasted the European Union yesterday as incapable of signing international agreements, as talks to persuade Wallonia to sign up to the huge trade deal broke down.
Freeland's comments fed into warnings that the EU, beset by rising anti-globalisation sentiment, may never be able to land any other deals including one with the United States.
"It seems obvious to me, to Canada, that the European Union is incapable now of having an international agreement, even with a country with such European values as Canada, and even with a country as kind and patient as Canada," Freeland said yesterday.
"Democracy takes a little time, Magnette said. "I wasn't asking for months, but you can't carry out a parliamentary process in two days."
The Walloon parliament earlier this week refused to let the federal Belgian government approve the deal between Canada and the European Union, which needs to be backed by all 28 EU member states.
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