The synthesis of a green product depends on a deep perception concerning its economic and environmental impacts. To attain this purpose, a life cycle assessment (LCA) coupled with life cycle cost (LCC) comparative study was conducted concerning two highly efficient synthesized carbon-based adsorbents i.e. activated carbon (AC) and modified AC (MAC) for 1 kg CO₂ adsorption. A set of different analyses comprising CML baseline 2000, cumulative energy demand (CED), ecological footprint (EF), and greenhouse gas protocol (GGP) were explored. The most affected categories by the synthesized adsorbents were human toxicity (>2.63 %), marine (86 %), and freshwater aquatic ecotoxicity (7.46 %), resulting in CO₂, SO₂, and NO₂ emission and metal release. The CED was 2.6 times more for MAC, dominantly supplied by fossil fuel (>91.45 %). The total economic costs were $1.6/kg and $2/kg for the AC and MAC, respectively. The H₃PO₄ and copper ion consumption exhibited the highest environmental impacts accounted for a 97 % contribution for AC and 61.48 % for MAC, while the most economic burden belonged to equipment and construction (>23 %). The marine aquatic toxicity (19.50 %) and human toxicity (16.09 %) were the most sensitive categories by a 95 % confidence limit through the uncertainty analysis. Accordingly, the LCA coupled LCC results elucidated that the MAC possessed more significant economic and environmental impacts, despite its higher CO₂ adsorption.

绿色产品的合成取决于对其经济和环境影响的深刻理解。为了达到这个目的，进行了生命周期评估（LCA）和生命周期成本（LCC）比较研究，涉及两种高效的合成碳基吸附剂，即1 kg CO _2的活性炭（AC）和改性AC（MAC）。吸附。探索了一组不同的分析，包括CML基线2000，累积能量需求（CED），生态足迹（EF）和温室气体协议（GGP）。受合成吸附剂影响最大的类别是人类毒性（> 2.63％），海洋（86％）和淡水水生生态毒性（7.46％），导致CO ₂，SO ₂和NO ₂排放和金属释放。MAC的CED高2.6倍，主要由化石燃料提供（> 91.45％）。AC和MAC的总经济成本分别为$ 1.6 / kg和$ 2 / kg。H ₃ PO ₄和铜离子的消耗对环境的影响最大，对AC的贡献为97％，对MAC的贡献为61.48％，而最经济的负担属于设备和建筑（> 23％）。通过不确定性分析，以95％的置信限度，海洋水生毒性（19.50％）和人类毒性（16.09％）是最敏感的类别。因此，LCA耦合的LCC结果表明，尽管MAC具有更高的CO ₂吸附能力，但MAC具有更重大的经济和环境影响。