PROCESS FOR ENHANCED TURNDOWN IN A BITUMEN FROTH TREATMENT OPERATION

摘要

A process for operating a bitumen froth treatment operation in turndown mode which includes adding a solvent containing stream to bitumen froth to produce diluted bitumen froth; separating the diluted bitumen froth into a diluted bitumen component and a solvent diluted tailings component; and in response to a reduction in flow of the bitumen froth, following a control strategy comprising flow control of the bitumen froth, the diluted bitumen component, the solvent diluted tailings component and the solvent, to maintain material balance.