| Autor: |
Soma Chakraborty, Sunder Ramachandran, Scott E. Lehrer |
| Rok vydání: |
2017 |
| Předmět: |
|
| Zdroj: |
Day 4 Thu, March 09, 2017. |
| DOI: |
10.2118/183974-ms |
| Popis: |
Hydrogen sulfide and mercaptans are highly toxic. They can cause corrosion and contaminate fuels. For safe and efficient operation of oilfield applications, it is important to remove these constituents. Processes to remove sour gases with mercaptans include treatment of the hydrocarbon fractions with caustics, clays and hydro-treating, as well as the UOP Merox™ process. Another method comprises scrubbing with mono or di-ethanolamine in a regenerative amine system. These methods are ineffective in removing mercaptans. Scavengers react more quickly with hydrogen sulfide than with other sour gases. For this reason it is a challenge to develop scavengers that scavenge all components of sour gas including mercaptans effectively. This paper describes a new formulation that simultaneously scavenges hydrogen sulfide and mercaptans extremely efficiently. A new lab experimental procedure is presented that mimics the scavenging of sour gas in a tower application. The procedure uses a new analytical technique that simultaneously detects hydrogen sulfide and mercaptans. Gas concentrations of hydrogen sulfide and methyl mercaptan are detected before and after scavenging. Systematic performance evaluations show that the new scavenger simultaneously scavenges hydrogen sulfide as well as mercaptans. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
|
