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首页> 外文会议>CO2 summit II: Technology and opportunity 2016 >COMBINED MAGNESIUM OXIDE/WATER GAS SHIFT-BASED CO_2 CAPTURE PROCESS
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COMBINED MAGNESIUM OXIDE/WATER GAS SHIFT-BASED CO_2 CAPTURE PROCESS

机译：基于氧化镁/水气转换的CO_2捕获过程

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Southern Research is developing a combined magnesium oxide (MgO) CO_2 sorbent/water gas shift (WGS)-catalyst-based CO_2 capture process for integrated gasification combined cycle (IGCC) power plants. A heat-exchanger reactor with a highly efficient heat management capability is being developed for simultaneous CO_2 capture and WGS to convert CO to CO_2 and H2 and capture more than 90 % or more of the carbon from coal gasifier syngas. Simultaneous heat management and reaction allows the maintenance of thermodynamically favorable reaction temperatures for both steps. Also, by simultaneously converting the CO to CO_2 over the shift catalyst, the overall reaction thermodynamics is shifted allowing greater carbon capture by the MgO sorbent than if the two steps were carried out separately. The ultimate project goal is to capture ＞ 90 % CO_2 and to reduce the cost of electricity by 30% over IGCC plants employing conventional methods of CO_2 capture.
机译：Southern Research正在开发一种用于集成气化联合循环（IGCC）发电厂的组合氧化镁（MgO）CO_2吸附剂/水煤气变换（WGS）-催化剂的CO_2捕集工艺。正在开发一种具有高效热管理功能的热交换器反应器，用于同时捕获CO_2和WGS，以将CO转化为CO_2和H2，并从煤气化炉合成气中捕获90％或更多的碳。同时进行热量管理和反应，可以在两个步骤中维持热力学上有利的反应温度。而且，通过在变换催化剂上同时将CO转化为CO_2，与两个步骤分别进行相比，整个反应热力学也发生了变化，从而允许MgO吸附剂捕获更多的碳。该项目的最终目标是采用传统的CO_2捕集方法，与IGCC电厂相比，捕集> 90％的CO_2，并将电费降低30％。

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