印度的 CCUS:缩小行动与雄心之间的差距

Udayan Singh, Vikram Vishal, Amit Garg
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引用次数: 0

摘要

印度承诺到 2070 年实现温室气体净零排放。虽然没有明确设定二氧化碳捕集、利用和封存(CCUS)技术的目标,但印度政府机构和公共部门企业有条件地提到了 CCUS 方法,前提是要有可行的技术和资金。本文旨在研究印度 CCUS 现状与建模工作预测的部署水平之间的差距。本文采用塔拉诺阿对话法(Talanoa dialogue approach)回答了有关印度 CCUS 前景的以下问题:我们现在处于什么位置,我们需要达到什么位置,以及我们如何达到目标。印度目前的二氧化碳捕集处于试点/示范阶段,其中化工和钢铁行业最为先进。甲醇经济作为二氧化碳利用的一个重要途径,可能会大规模出现。通过提高石油采收率进行二氧化碳地质封存已进入高级规划阶段,并可能成为本十年的目标。从目前和规划的阶段来看,到 2050 年,印度可能需要每年 4 亿至 8 亿吨二氧化碳,以满足其在 1.5 °C 碳预算中所占的份额。我们为整个 CCUS 价值链的技术开发提出了几个优先研究方向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
CCUS in India: bridging the gap between action and ambition
India has committed to reaching net-zero greenhouse gas emissions by 2070. While targets for CO2 capture, utilization and storage (CCUS) technologies are not explicitly set, the Government of India’s agencies and public-sector enterprises have mentioned CCUS approaches conditionally subject to availability of feasible technology and financing. This paper aims to examine the gap between the current status of CCUS in India and the levels of deployment as projected by modeling exercises. It takes a Talanoa dialogue approach to answer the following questions on CCUS perspective in India: where are we right now, where do we need to be, and how do we get there. The current status of CO2 capture in India is at the pilot/demonstration stage, with the chemicals and steel sectors, being the most advanced. Emergence of the methanol economy as a key avenue for CO2 utilization may be seen at a large-scale. Geologic CO2 storage is at an advanced planning stage via enhanced oil recovery, and will likely be targeted over this decade. From the current and planned stage, India would likely need 400–800 Mt-CO2/year by 2050 to meet its share of the 1.5 °C carbon budget. We suggest several priority research directions for technology development across the CCUS value chain.
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