Scientists have found a way to more than double the uptake ability of a chemical structure that can be used for scrubbing carbon dioxide from factory flues.
The one we use, clinoptilolite, is one of over 40 different zeolites. It can remove certain ions from the water, such as ammonium, phosphate and calcium, via two processes: adsorption and ion exchange ...
However, conventional processes (chelation-gel process) require a significant excess of the acid, and the pH value must constantly be adjusted with ammonia—complicated and not very environmentally ...