Proven Licensed Sulfur Technologies to Meet Clients' Environmental Requirements

Fluor offers the most recent advancements in sulfur recovery processing to enhance the capacity of clients' recovery processes at a reduced capital cost, provide an easy retrofit in a small footprint and increase the conversion, capacity and efficiency of existing sulfur recovery units.

Fluor provides turnkey packages for projects ranging from small modular units to large world-class facilities.

In addition to providing new sulfur units, our expertise enables clients with existing units to:

Enhance sulfur recovery efficiency
Improve and maintain unit reliability and on-stream time
Increase sulfur recovery unit processing capacity
Satisfy local/state/federal environmental regulations

Fluor's design expertise and engineering capabilities include

Claus-type Treating:

Ammonia Destruction Claus Technology
BTX Destruction Claus Technology
Fluor SOx Technology^SM for SOx removal
D'GAASS? liquid sulfur degassing technology for both in-pit and out-of-pit operations
Modified Claus for dilute acid gases containing contaminants (e.g. BTEX, HN3, HCN)
COPE? oxygen-enriched Claus (low-level to 25%, medium to 70% and high enrichment to 150% capacity increase)
Up to 98% sulfur recovery prior to tail gas treating
Design and build of more than 160 Claus-type sulfur recovery units

Tail Gas Treating:

Hydrogenation / Amine Technology
Hydrogenation / FLEXSORB? SE/SE Plus Technology
Achieving overall sulfur recovery of 99.9+%, achieving up to 35 mg/Nm³ of SO₂
Design and build of more than 120 tail gas treating units
Includes sub-dew point and direct oxidation processes

Fluor provides a full range of services from initial feasibility studies through to construction and final start-up. Comprehensive services offered include:

Feasibility studies
Grassroots facilities and revamps
Licensor's Process Design Packages (PDP)
Operator training
Pre-commissioning and start-up
Safe, optimum and compact plant layout
Single-train capacity ranging from less than 10 TPD to 2,600 TPD
Technology evaluations and selections
Troubleshooting and debottleneck problem-solving

Numerous Sulfur Recovery Units (SRU) and / or Tail Gas Treating Units (TGTU) employing Fluor's proprietary technologies have been placed in operation over the last 15 years, including the world's largest sulfur complex with a sulfur production capacity of 10,000 MTPD, consisting of 4 x 2,500 MTPD SRU / TGTU / Liquid Sulfur Degassing Units. The complex achieved 99.9+% sulfur recovery efficient.

Fluor has designed and licensed more than 140 D'GAASS? out-of-pit liquid-sulfur degassing units with a total capacity of over 70,000 tons per day worldwide. Fluor has also designed and licensed more than 60 COPE? Oxygen Enrichment SRU / TGTUs for processing capacity expansion, achieving up to 150% increase of the original design capacity.