Reducing the capital cost of post combustion CO₂ capture by eliminating flue gas desulfurisation (FGD) pre-treatment, requires management of the amines preferential SO₂ absorption. Novel technologies such as CS-Cap restrict the impact of SO₂ to only a small fraction of the amine inventory resulting in high sulfate burden amines. Traditional thermal reclamation of these spent absorbents has advantages regarding simplicity, but ranks poorly for industrial ecology around PCC. These amines require low energy regeneration technologies compatible with their physico-chemical properties that also maximise the potential for valorising by-products. This review summarises the sulfur chemistry and outlines several amine reclamation processes. It assesses the status of established and novel regeneration technologies for their applicability to high sulfur loaded amines. Should deep sulfur removal be required, a hybrid approach with initial bulk removal (as product) followed by a polishing step to further reduce sulfur is prospective. A preliminary estimation of the relative cost of using standard reclamation methods for treating Sulfur loaded CS-Cap absorbent revealed the cost would increase due to its higher sulfate burden despite comparable treatment volumes. Research gaps are identified which would enable better comparison between the costs of traditional FGD versus higher reclamation costs for combined capture technologies.

通过消除烟道气脱硫（FGD）预处理来减少燃烧后CO ₂捕集的资本成本，需要管理胺的优先SO ₂吸收。CS-Cap等新技术限制了SO ₂的影响仅占胺库存的一小部分，从而导致硫酸盐负荷较高的胺。这些用过的吸收剂的传统热回收技术具有简单性方面的优势，但在PCC周围的工业生态方面却排名不高。这些胺需要与它们的物理化学性质兼容的低能量再生技术，该技术还可以最大化副产物的增值潜力。这篇综述总结了硫的化学原理，并概述了几种胺的回收工艺。它评估了已建立和新颖的再生技术在高硫负载胺中的适用性。如果需要深层脱硫，则可以采用先去除大块（作为产品）然后进行抛光步骤以进一步减少硫的混合方法。使用标准回收方法处理载有硫的CS-Cap吸收剂的相对成本的初步估计表明，尽管处理量相当，但由于其较高的硫酸盐负担，成本将增加。确定了研究空白，可以更好地比较传统烟气脱硫装置的成本与联合捕集技术的较高填海成本之间的比较。