Anthropogenic carbon dioxide production is widely accepted as a major reason for accelerated climate change and global warming. In recent years, there has been wide amount of global interest in finding sustainable ways to reverse the increasing CO2 levels in the atmosphere. Globally, treaties such as the Kyoto Protocol and the Paris Agreement identify reduction in carbon emissions as vital in preventing the potentially disastrous effects of further global warming. Carbon Capture and Utilization (CCU) is one of the key areas that can achieve CO2 emission targets while at the same time contributing to the production of energy, fuels and chemicals to support the increasing demands. In CCU, carbon dioxide is captured and separated from emission gases and then converted into valuable products. CO2 maybe used as a soft oxidant, reforming agent and raw material for conversion into syn-gas and hydrocarbon for energy applications. Many of the technologies to convert CO2 into value-added products are still immature and the focus of active research. Over the past 10 years our group has been focussing on developing catalysts technologies to tackle the challenges associated with CO2 and H2 economy. This presentation shall cover our current catalyst technologies for tackling CO2 and H2 challences, with the focus on 3 main technologies; 1) direct CO2 conversion processes, 2) simultaneous CO2 capture and utilization and 3) CO2-neutral H2 production processes. Specifically, this presentation shall cover the strategies that our research group has been developing to design and prepare stable catalysts systems for various CO2 conversion processes such as CO2 reforming of methane, CO2 hydrogenation, r-WGS, and CO2-neutral H2 production reactions such as steam reforming of biomass tar, propane dehydrogenation, water gas shift and CH4 decomposition.

Innovating sustainable catalyst systems for tackling CO2 and H2 challenges

ACS Spring 2022

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