Alpha Amino Ether Sulfur Scavenger for Hot Heavy Oil Streams
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Solution Overview
Problem
Conventional sulfur scavengers face challenges in heavy oil streams due to sustained high temperatures, viscosity, minimal water content, and fouling issues, leading to inefficient sulfur removal and downstream operational problems.
Innovation Solution
A composition comprising an alpha amino ether and a synergistic compound, such as 1-[(2-hydroxypropyl)amino]-2-butanol, is added to hydrocarbon fluids to effectively reduce sulfur-containing compounds like hydrogen sulfide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sulfur scavengers are used in heavy oil streams, then sulfur removal is achieved, but the scavengers become detrimental under sustained high temperatures
Solution Approach 1:
The patent modifies the chemical parameters of the sulfur scavenger by using alpha amino ethers with specific molecular structures and synergistic compounds (Formula I) to enhance thermal stability. The composition is formulated to maintain effectiveness at elevated temperatures up to 100°C, resolving the contradiction between sulfur removal capability and thermal stability in heavy oil streams.
2Reliability
If conventional sulfur scavengers are used in viscous heavy oil, then sulfur removal is achieved, but reaction efficiency is limited
Solution Approach 1:
The patent employs a composite formulation combining alpha amino ethers with synergistic compounds of Formula (I), creating a multi-component system that overcomes the limitations of single-agent scavengers. This composite approach enhances reaction efficiency in viscous heavy oil by leveraging synergistic interactions between components, addressing both sulfur removal effectiveness and compatibility with heavy oil composition.
3Reliability
If volatile scavengers are used, then sulfur removal is achieved, but production equipment experiences fouling
Solution Approach 1:
The patent employs a readily degradable scavenger formulation that performs its sulfur removal function effectively then breaks down into non-fouling products. The alpha amino ether and synergistic compound composition is designed to avoid accumulation on equipment surfaces, eliminating the fouling problem associated with conventional volatile scavengers while maintaining reliable sulfur scavenging performance.
4Reliability
If conventional sulfur scavengers are used, then sulfur removal is achieved, but residual scavenger and reaction products cause downstream operational problems
Solution Approach 1:
The patent employs a scavenger system where the alpha amino ether and synergistic compounds react with sulfur-containing compounds to form products that can be easily separated or are inherently non-interfering with downstream refinery operations. The formulation is designed so that after performing its sulfur removal function, the scavenger and its reaction products do not cause operational problems in downstream processing, effectively resolving the contradiction between effective sulfur removal and downstream compatibility.
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 composition achieves significant reduction of sulfur-containing compounds by up to 95% in hydrocarbon fluids, improving safety and minimizing corrosion and fouling issues.
Implementation Method 1
a sulfide scavenger including an alpha amino ether and a synergistic compound of Formula (I)
Implementation Method 2
compositions and methods for scavenging sulfur-containing compounds
Data Source
AI summary
The present disclosure provides compositions and methods for reducing sulfur-containing compounds in a hydrocarbon fluid. The compositions include an alpha amino ether and a synergistic compound. Additionally, the compositions may include a third component. The third component may be, for example, a heteroatom-containing component or a solvent.