Significant progress has been made in the past decades in the capture, storage, and utilization of greenhouse gases, particularly CO₂. In general, the synthesis of most of the available CO₂ sorbents is not ecofriendly and can require multistep synthesis in order to prepare and/or activate, which is considered a strict violation of green chemistry principles (GCPs). Therefore, thinking of green frameworks to design chemical products and processes becomes essential to mitigate these challenges. This paper provides an in‐depth review of available green sorbents for CO₂ capture with an emphasis on those prepared from biorenewable materials and ionic liquids. A new metric is presented to classify these sorbents based on their degree of compliance to the GCPs, which could be a useful tool in selection of green alternatives. Due to the interdisciplinary nature of this research topic, a wide range of literature is available in multiple areas including but not limited to chemistry and engineering. Hence, this review targets a wide range of scientists including chemists, biotechnologists, material scientists, and meteorologists, as well as green industrial corporations.

中文翻译：

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捕获二氧化碳的绿色吸收剂的新指标

在过去的几十年中，在温室气体，特别是CO ₂的捕获，储存和利用方面取得了重大进展。通常，大多数可用的CO ₂吸附剂的合成都不环保，并且可能需要进行多步合成才能制备和/或活化，这被认为完全违反了绿色化学原理（GCP）。因此，思考绿色框架来设计化学产品和工艺对于缓解这些挑战至关重要。本文对可用的CO ₂绿色吸附剂进行了深入综述重点捕获由生物可再生材料和离子液体制备的物质。根据这些吸附剂对GCP的顺应程度，提出了一种新的度量标准来对这些吸附剂进行分类，这可能是选择绿色替代品的有用工具。由于该研究主题具有跨学科性质，因此可以在多个领域获得大量文献，包括但不限于化学和工程学。因此，本综述针对的科学家范围广泛，包括化学家，生物技术家，材料科学家和气象学家以及绿色工业公司。