The 270,000-bpd DU-2 CDU and 92,000-bpd coker are the first units to begin restarting since both of the refinery's CDUs were shut by a pump seal failure on Feb. 14, the sources said.
If her appointment is approved by shareholders, Jessica Uhl will be the fifth woman director on Goldman's board and its only member to come from the fossil fuel industry.
Shell, where Uhl has worked since 2004, recently vowed to eliminate net carbon emissions by 2050, as it prepares to expand its renewables and low-carbon business in the face of growing investor pressure on the oil and gas sector to battle climate change.
Shell shut the two primary fuel production units, the gasoline-producing fluidic catalytic cracker (FCC) and the diesel-producing hydrocracker, on Monday, one day after the refinery's crude distillation units (CDUs) were shut.
Raizen said in a securities filling it will pay 3.6 billion reais ($670.34 million) to Biosev shareholders, which will also receive 3.5% of Raizen preferred shares, plus 1.49% of redeemable shares.
The deal boosts Raizen's credential as the world's largest sugar maker, and one of the largest ethanol producers.