Renewable Fuel Units Convert Intermittent Demand Into Continuous Consumption
Hydrotreating catalysts require sulphided metal sites to function, and conventional feedstocks supply enough sulphur to maintain that state during operation. Renewable feedstocks including used cooking oil, tallow, and vegetable oils contain almost none, so operators inject sulphiding agent continuously to keep catalysts active. Every renewable diesel and sustainable aviation fuel unit commissioned therefore adds running consumption rather than a single start-up charge. Producers had modelled this market on turnaround cycles for decades, and the new demand behaves entirely differently, arriving steadily and growing with capacity rather than with maintenance schedules.
Market Impact: Cycles recur every 4 years








