Brazilian conglomerate Odebrecht SA's will use part of a 2.6 billion reais (US$709.96 million) bank loan to repay a loan in arrears with state-controlled bank Banco do Brasil SA, according to sources quoted by Reuters. Under the terms of an agreement announced on Friday, the engineering group, at the center of a corruption scandal, will repay a 100 million reais debt to Banco do Brasil.