中国的碳捕集、封存与利用和PtX技术-20231012-国家电网-21页免费下载

State Grid Energy Research Institute12 October 2023国网能源研究院有限公司2023年10月12日ECECP Investment and Technologies for Net-zero Carbon InfrastructureECECP净零碳基础设施投资和关键技术研究Contents22PtXICCUS 碳捕集、利用与封存电转其他能源3(1) Importance of CCUS 碳捕集、利用与封存技术的定位CCUS is the only technological option to realize low-carbon utilization of fossil energy.CCUS 是目前实现化石能源低碳化利用的唯一技术选择。•It is estimated that by 2050, fossil energy will account for 10%-15% of China's energyconsumption.•到2050 年，化石能源仍将扮演重要角色，占中国能源消费比例的10%~15%。CCUS can maintain the flexibility of power system to realize carbon neutrality.CCUS 是碳中和目标下保持电力系统灵活性的主要技术手段。•By avoid an early phasing out of coal-fired power stations, the necessary support forsystem inertia and frequency control is then guaranteed when facing the great volatilityof renewable energy and potential seasonal power shortages.•火电加装CCUS是具有竞争力的重要技术手段，可实现近零碳排放，提供稳定清洁低碳电力，平衡可再生能源发电的波动性，并在避免季节性或长期性的电力短缺方面发挥惯性支撑和频率控制等重要作用。4(1) Importance of CCUS 碳捕集、利用与封存技术的定位CCUS is a feasible technology option for hard-to-abate sectors, like steel and cement.CCUS 是钢铁水泥等难以减排行业低碳转型的可行技术选择。•After implementing measures like efficiency improvement, raw material substitution,and etc, it is estimated that 34% of carbon emissions in the steel industry and 48% ofcarbon emissions in the cement industry are hard to abate.•预计到2050年，钢铁行业通过采取工艺改进、效率提升、能源和原料替代等常规减排方案后，仍将剩余34%的碳排放量，即使氢直接还原铁(DRI)技术取得重大突破，剩余碳排放量也超过8%。水泥行业通过采取其他常规减排方案后，仍将剩余48%的碳排放量。CCUS coupled with renewable energy could realize negative...