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51318-11553- H2S Scavenger Tower Operational Efficiency Achieved Through Onsite Compositional Analysis

A portable method using Raman spectroscopy has been developed to allow operators to respond to situations where the H2S scavenger chemistry is underutilized or where conditions warrants additional scavenger - thus minimizing chemical costs.

 

Product Number: 51318-11553-SG
Author: R. Perez-Pineiro / D. Cruz-Perez / J. Hoshowski / H. Zhang / J. Hendry
Publication Date: 2018
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H2S scavengers are commonly used to sweeten sour gas in a variety of industrial applications. In the oil and gas industry, liquid forms of the scavenger are applied where regenerative or gas desulfurization processes are not economically feasible. Tower applications tend to consume the largest quantities of scavengers and, therefore, require optimal reaction efficiency without causing operational issues through over-spending.

One means of monitoring the reaction efficiency is to analyze the primary composition of the spent fluid to determine if the scavenger chemistry is underutilized or if the operational condition warrants additional scavenger. A portable method using Raman spectroscopy has been developed to allow operators to respond quickly to either situation thus minimizing chemical costs. The quantitation of triazine along with spent triazine helps manage chemical consumption and avoids costs associated with tower cleanouts and production downtime due to the formation of solids.

Key words: H2S, scavenger, triazine, Raman, spectroscopy

H2S scavengers are commonly used to sweeten sour gas in a variety of industrial applications. In the oil and gas industry, liquid forms of the scavenger are applied where regenerative or gas desulfurization processes are not economically feasible. Tower applications tend to consume the largest quantities of scavengers and, therefore, require optimal reaction efficiency without causing operational issues through over-spending.

One means of monitoring the reaction efficiency is to analyze the primary composition of the spent fluid to determine if the scavenger chemistry is underutilized or if the operational condition warrants additional scavenger. A portable method using Raman spectroscopy has been developed to allow operators to respond quickly to either situation thus minimizing chemical costs. The quantitation of triazine along with spent triazine helps manage chemical consumption and avoids costs associated with tower cleanouts and production downtime due to the formation of solids.

Key words: H2S, scavenger, triazine, Raman, spectroscopy

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