English to Russian Other Petroleum Eng/Sci SDA pitch plan and engineering processes

Oil residue fired power plant - Technical Considerations and Operation Results
for SDA Pitch (Residual Oil)-fired Boilers Responding to the decline in demand for Heavy oil C, some refineries have been considering
introducing solvent de-asphalting (SDA) process to produce lighter refined petroleum. However,
utilization of heavy residue (SDA pitch), a byproduct generated from SDA process, remains an
issue to be solved.