Sinobioway and existing investor Waste Management of Canada took part in a round that took the fuel-from-waste producer's total funding to more than $520m.

Enerkem, the Canada-based developer of a process that converts waste to biofuel, secured C$280m ($224m) from investors including waste management services provide Waste Management of Canada and industrial conglomerate Sinobioway yesterday.

Financial services firm National Bank of Canada also took part in the round, along with BlackRock, Rho Ventures, Braemar Energy Ventures, Investissement Québec, Fonds de solidarité FTQ, Cycle Capital, Fondaction and Westly Group.

Enerkem produces biofuels and chemicals such as methanol and ethanol from solid waste using a proprietary…