Regulation of water vapor in gasification processes
By integrating a high-pressure evaporator to manage water vapor content within gasification processes, the challenges of fouling and inefficient hydrogen production are addressed, resulting in cost-effective and efficient synthesis gas production.
WO2026055436A1 Publication Date: 2026-03-12SUNGAS RENEWABLES INC
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Patent Information
- Application Number
- PCT/US2025/045048
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-09-05
- Filing Date
- 2025-09-05
- Publication Date
- 2026-03-12
AI Technical Summary
Technical Problem
Existing gasification processes face challenges in managing water vapor content, leading to fouling, plugging, and inefficient hydrogen production, which impact the economics and efficiency of biomass gasification for synthesis gas production.
Method used
The integration of a high-pressure evaporator upstream of the WGS reactor, utilizing available heat and material sources within the process to regulate water vapor content, thereby enhancing hydrogen production through the water-gas shift reaction.
Benefits of technology
This approach reduces capital and operating costs, minimizes water consumption and waste, and improves hydrogen enrichment, making the process more efficient and economically viable.
✦ Generated by Eureka AI based on patent content.
Abstract
Gasification processes are disclosed, which can implement one or more strategies for heating and humidifying the gasifier effluent, as needed for effective hydrogen enrichment through the water-gas shift (WGS) reaction that converts H2O. Particular aspects, in carrying out these strategies, relate to the use of an evaporator upstream of a WGS reactor and operating at a comparable pressure (e.g., at least about 10 bar, at least about 20 bar, or at least about 30 bar, such as in a range from about 30 bar to about 100 bar). Such high-pressure evaporator may provide sufficient water vapor content, for effective generation of H2 via the WGS reaction, as needed for downstream uses. Advantageously, heat and / or material (e.g., condensate) sources may be available within the process itself, and integrated to meet at least some of the operational demands of the evaporator.
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