In 2018,Brethome, Flavien M.; Williams, Neil J.; Seipp, Charles A.; Kidder, Michelle K.; Custelcean, Radu published 《Direct air capture of CO2 via aqueous-phase absorption and crystalline-phase release using concentrated solar power》.Nature Energy published the findings.Recommanded Product: 2,6-Pyridinedimethanol The information in the text is summarized as follows:
Using neg. emissions technologies for the net removal of greenhouse gases from the atm. could provide a pathway to limit global temperature rises. Direct air capture of carbon dioxide offers the prospect of permanently lowering the atm. CO2 concentration, providing that economical and energy-efficient technologies can be developed and deployed on a large scale. Here, we report an approach to direct air capture, at the laboratory scale, using mostly off-the-shelf materials and equipment. First, CO2 absorption is achieved with readily available and environmentally friendly aqueous amino acid solutions (glycine and sarcosine) using a household humidifier. The CO2-loaded solutions are then reacted with a simple guanidine compound, which crystallizes as a very insoluble carbonate salt and regenerates the amino acid sorbent. Finally, effective CO2 release and near-quant. regeneration of the guanidine compound are achieved by relatively mild heating of the carbonate crystals using concentrated solar power. In the experiment, the researchers used many compounds, for example, 2,6-Pyridinedimethanol(cas: 1195-59-1Recommanded Product: 2,6-Pyridinedimethanol)
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