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Total Sulfur Analyzer

Total Sulfur Analyzer - The Model 1700 System measures total sulfur by hydrogenation.

Total Sulfur Analyzer

SKU: Total-Sulfur-Gas-Process-Analyzer | Series # 1700

Description:

Total Sulfur Analyzer: The petrochemical, gas processing, and gas pipeline industry has required an accurate, dependable, low maintenance, and cost-effective sulfur analyzer for quality and process control purposes. With over twenty-five years of experience in developing and manufacturing sulfur analyzers and associated parts and supplies, Analytical Systems International (ASI) has met these requirements with their proven microprocessor based analyzer. The Model 1700 System measures total sulfur by hydrogenation similar to that as described in ASTM Method D3031, D4084-82, D4468-85 and 4045-81. The sulfur sample is precisely metered into a continuous flowing stream of hydrogen gas. The sample and hydrogen are heated in the furnace up to 1,3150 C resulting in thermal cracking of the sulfur that are reduced to short chain hydrocarbons. These reactions result in the formation of H2S. After complete humidification of the sample, the H2S comes in direct contact with the lead acetate tape and produces a darkening of lead sulfide that is immediately measured by the photodiode/LED optics and rate-of-reaction digital electronics to provide an accurate and reproducible total sulfur analysis with PPB or PPM sensitivity up to 100%. The LCD display provides the current reading, any alarm condition, procedure prompts (i.e., calibration procedure), and failure indicators (local and remote capability). Quality materials are selected for their compatibility and utilized through fabrication. Special attention is given to wetted parts that come in contact with the process stream and are selected to be non-reactive with H2S.

Alkylation:

The Alkylation processes used in production of high octane, low leaded gasolines can result in the formation of acid soluble oils due to excess sulfur content in the feed stock. This results in decreased profits. Utilizing a continuous on-line sulfur analyzer can help avoid these loses.

Sulfur in Ammonia:

Sulfur compounds such as hydrogen sulfide, mercaptans, and carbonyl sulfide can react with catalytic metals and form useless oxides. A two year catalyst bed could well be destroyed in a few hours resulting in losses of over a million dollars. The continuous on-line total sulfur analyzer can prevent this disaster.

Reformers:

Reformate catalysts are especially susceptible to sulfur poisoning. The newer transition metal catalysts are even more susceptible to sulfur poisoning. Grab samples sent to the lab for analysis cannot be analyzed often enough to provide adequate protection. The continuous on-line total sulfur analyzer provides fast accurate information to protect your catalyst.

Sulfur in Synthesis Gas:

Many synthetic gas feed stocks contain excessive sulfur levels. These are normally hydrodesulfurized down to 100 PPB or less. Theoretically, if 100% conversion is achieved, the remaining sulfur compound is hydrogen sulfide. Depending on the efficiency of the hydrodesulfurization process other sulfur compounds such as carbon disulfide, carbonyl sulfide, and thiophenes could be present. These sulfurs could result in catalyst life being reduced to hours instead of years. The continuous on-line total sulfur analyzer can provide analysis for monitoring your catalyst.