Dual Pressure Level Methanation of Co‐SOEC Syngas,Energy Technology

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Dual Pressure Level Methanation of Co‐SOEC Syngas
Energy Technology ( IF 3.6 ) Pub Date : 2020-10-24 , DOI: 10.1002/ente.202000746
Andreas Krammer ₁ , Ana Medved ₁ , Martin Peham ₁ , Philipp Wolf-Zöllner ₁ , Katrin Salbrechter ₁ , Markus Lehner ₁

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The objective of this article is to demonstrate significant efficiency and performance improvements by simple process modifications of a power to gas plant consisting of high‐temperature coelectrolysis and catalytic methanation. For the advanced process design dual step methanation with two different pressure levels including intermediate compression is proposed, leading to several advantages. By experimental investigations on a lab‐scale methanation test plant higher turnovers (increase of up to 7.1 percentage points) and lower temperature peaks (decrease by up to 130 K) can be proven. Basic energy balance calculations reveal furthermore a reduction in compressor power by 42% for this proposed system.

中文翻译：

Co-SOEC合成气的双压力级甲烷化

本文的目的是通过对包括高温共电解和催化甲烷化的煤气厂用电进行简单的工艺修改，来展示出显着的效率和性能改善。对于先进的工艺设计，提出了具有两个不同压力水平（包括中间压缩）的双步甲烷化方法，从而带来了许多优势。通过在实验室规模的甲烷化测试设备上进行的实验研究，可以证明更高的周转率（最多可提高7.1个百分点）和更低的温度峰值（最多可降低130 K）。基本的能量平衡计算结果进一步表明，对于该拟议系统而言，压缩机功率降低了42％。

更新日期：2020-10-24

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