Anionic Linear Polymer H2S Scavenger Efficiency
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Solution Overview
Problem
Current hydrogen sulfide scavenging technologies are inefficient in removing sulfur species from hydrocarbon and aqueous streams, posing safety and environmental hazards due to the corrosive, toxic, and malodorous nature of hydrogen sulfide, and existing methods often result in solid particulates and reduced performance over time.
Innovation Solution
Incorporating anionic linear polymers into triazine/aldehyde-based scavenger compositions to enhance the scavenging efficiency of hydrogen sulfide and other sulfur contaminants, such as mercaptans, by increasing the contact time and reaction effectiveness in bubble tower processes or inline injection systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional H2S scavengers are used, then sulfur removal function is provided, but scavenging efficiency is insufficient and solid particulates are generated
Solution Approach 1:
The patent combines triazine scavenger with anionic linear polymer to create a composite scavenger system. The polymer component modifies the reaction characteristics and physical properties of the scavenger, enabling higher efficiency H2S removal while preventing solid particulate formation through improved solubility and reaction pathway control
Solution Approach 2:
The patent modifies the chemical composition parameters by introducing anionic linear polymer at specific concentrations (0.1-50 wt%). This parameter change transforms the scavenger system from conventional single-component to enhanced multi-component formulation, achieving both higher scavenging efficiency and reduced particulate generation
2Productivity
If contact time is increased to improve reaction effectiveness, then scavenging efficiency improves, but process complexity and equipment size increase
Solution Approach 1:
The anionic linear polymer acts as an intermediary substance that facilitates the reaction between H2S and triazine scavenger. It enhances mass transfer and reaction kinetics, allowing effective scavenging to occur in shorter contact times without requiring complex equipment or extended residence times
Solution Approach 2:
The patent introduces dynamic optimization by adjusting polymer concentration (0.1-50 wt%) to achieve optimal reaction kinetics. This dynamic parameter adjustment enables the system to adapt to different operating conditions and achieve high effectiveness with simplified process design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The addition of anionic linear polymers increases hydrogen sulfide scavenging efficiency by 10% to 30% and reduces solid particulates, effectively reducing sulfur contaminant levels in hydrocarbon and aqueous streams, while maintaining operational flexibility across varying temperatures and pressures.
Implementation Method 1
incorporating anionic linear polymers into triazine/aldehyde-based scavenger compositions to enhance the scavenging efficiency of hydrogen sulfide and other sulfur contaminants, such as mercaptans, by increasing the contact time and reaction effectiveness in bubble tower processes
Implementation Method 2
the scavenger composition comprises a hydrogen sulfide scavenger and an anionic linear polymer... the scavenger composition reacts with the sulfur contaminant to reduce an amount of the sulfur contaminant in the fluid stream
Data Source
AI summary
A method is disclosed that includes introducing a scavenger composition into a fluid stream contaminated with a sulfur contaminant such that the scavenger composition reacts with the sulfur contaminant to reduce an amount of the sulfur contaminant in the fluid stream, wherein the scavenger composition includes a hydrogen sulfide scavenger and an anionic linear polymer. A composition is disclosed that includes a hydrogen sulfide scavenger; and an anionic linear polymer.