SRU Analyzers
Sulfur recovery is a critical process that converts hydrogen sulfide (H₂S), a byproduct of natural gas processing and the refining of high-sulfur crude oils, into elemental sulfur. The most widely used method for this conversion is the Claus process, essential for ensuring operational efficiency and environmental compliance.
To achieve high sulfur recovery rates and safe operations, both the Claus Sulfur Recovery Unit (SRU) and the Tail Gas Treating Unit (TGTU) rely on advanced process gas analyzers. These analyzers provide essential measurements of hydrogen sulfide (H₂S) and sulfur dioxide (SO₂) in tail gas, which are crucial for optimizing air-to-acid gas ratios and minimizing environmental emissions. In addition, feed gas analysis is increasingly employed to prevent hydrocarbon upsets and manage acid gas contaminants.
With years of expertise in sulfur recovery, AIMS delivers analytical solutions that empower industries to meet stringent environmental regulations and optimize their sulfur recovery operations.
SRU Analyzer Solutions:
Feed Forward Analyzer
To maintain precise feed forward control in SRUs, a comprehensive real-time analyzer is required to measure the full composition of all oxygen-consuming species in acid gas streams. This enables accurate adjustment of the air input to the reaction furnace, ensuring steady-state control and improved process efficiency.
Tail Gas Air Demand Analyzer
The Tail Gas Analyzer measures the concentrations of H₂S and SO₂ in the SRU tail gas. This critical feedback control (also known as trim air control) ensures the optimal air-to-acid gas ratio, which is vital for maximizing sulfur recovery in the Claus process.
Sulfur Pit Monitoring Analyzer
Liquid sulfur is often stored in sulfur pits within the SRU, posing potential risks to both personnel and equipment due to H₂S emissions. Continuous monitoring of H₂S in the vapor space of sulfur pits is a key safety measure, helping to safeguard against hazardous conditions.
Tail Gas Treating Unit (TGTU) Analyzer
In the TGTU, precise measurements of hydrogen (H₂) at the outlet of the reduction reactor, along with SO₂ at the inlet of the quench tower, are essential for maintaining efficient operation and ensuring compliance with environmental standards.
Tail Gas Treating Unit (TGTU) Analyzer
In the TGTU, precise measurements of hydrogen (H₂) at the outlet of the reduction reactor, along with SO₂ at the inlet of the quench tower, are essential for maintaining efficient operation and ensuring compliance with environmental standards.
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