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Sulfur Removal Unit Optimization

Air Products provides a full range of proven oxygen enrichment technologies to boost Sulfur Removal Unit (SRU) capacity. Other benefits include improved reliability, flexibility and environmental performance, the avoidance of expensive physical retrofits, and meeting SRU redundancy requirements. Air Products provides complete support for SRU oxygen enrichment including HAZOP, pre-commissioning, training and startup support. We have implemented over 50 SRU oxygen enrichment projects worldwide.

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In today's refineries, SRU oxygen enrichment can provide flexibility in several ways:

​As an insurance policy against unplanned shutdown of an SRU (in facilities with more than one SRU)

The 'insurance policy' approach is used when one of multiple SRU's in a refinery unexpectedly goes off line, causing the refinery to reduce rates. Should SRU's need to be increased quickly, an oxygen-based system can turn on automatically and boost the flow rates of the remaining SRU in operation.

For short-term sulfur or ammonia processing increases due to a shift in crude slate or increase in overall crude throughput

For short-term increases, SRU oxygen enrichment gives refiners the flexibility to run opportunity crudes that are high in several impurities.

For long term overall refinery capacity increases

For long term increases, the use of oxygen is an ideal alternative because it can enable refiners to avoid capital investments by replacing the nitrogen in air with more oxygen to increase the ability to process sulfur.

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Maximizing Refinery Flexibility

Operational flexibility is a must in today's refineries. Sulfur recovery unit oxygen enrichment is a good way to boost capacity in a cost efficient way.
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Gases

Air Products gases, typically provided in gaseous and liquid form, enable customers in a wide range of industries to improve their environmental performance, product quality, and productivity.

Oxygen

In addition to its use as a respiratory gas for healthcare applications, its strong oxidizing properties benefit many industries by improving yields, optimizing performance, lowering costs and reducing carbon footprint compared to other fuels.

Bulk Supply

Delivered by truck and stored on your site either as a liquid in cryogenic tanks or as a gas in high-pressure tubes based on your volume, desired pressure, purity level, flow rate, and operating pattern.

On-site Gas Generation

On-site gas generation helps sustainability-minded customers lower their carbon footprint, boost energy efficiency, increase throughput, enhance end product quality, and improve environmental performance.