· Molten sulfur
The refineries produce molten sulfur that can be loaded into trucks or rail cars.
· Prilled sulfur
The international market trades sulfur in a solid form called “prilled.” Valero has the ability to produce molten sulfur into prilled at an annual rate of 400,000 tons per year. Beginning in 2010, Valero’s capacity to produce prilled sulfur will increase to 900,000 tons per year.