Abstract:Clay minerals are one of the most utilized minerals among non-metals. These are hydrous aluminum silicates with a layer (sheet-like) structure. Kaolin is a hydrous aluminosilicate mineral with a thin platelet structure. Kaolin is extensively used in paper, paint, and many other industries. Wet processing of kaolin will not be sustainable over the long term because global freshwater resources are becoming scarce. Hence, a process is necessary that does not consume water during the beneficiation of kaolin. This … Show more
“…8). 127 This method has increased the kaolinite content from 59.6 to 91.2 wt%, as well as reduced the quartz content from 12.0 to 1.5 wt%, TiO 2 from 1.2 to 0.5 wt%, and Fe 2 O 3 from 4.8 to 0.1 wt% and almost completely removed other impurities except MgCO 3 and MnO 2 . In terms of SARC and RIR, the scheme of Hayat et al is the best among all the purification methods given in Table 4.…”
Section: Reaction Chemistry and Engineering Reviewmentioning
This review demonstrates that kaolin-based synthesis of zeolites is not always as green and low-cost as it may first appear. Here, we discuss both kaolin pretreatment methods and zeolite synthesis per se.
“…8). 127 This method has increased the kaolinite content from 59.6 to 91.2 wt%, as well as reduced the quartz content from 12.0 to 1.5 wt%, TiO 2 from 1.2 to 0.5 wt%, and Fe 2 O 3 from 4.8 to 0.1 wt% and almost completely removed other impurities except MgCO 3 and MnO 2 . In terms of SARC and RIR, the scheme of Hayat et al is the best among all the purification methods given in Table 4.…”
Section: Reaction Chemistry and Engineering Reviewmentioning
This review demonstrates that kaolin-based synthesis of zeolites is not always as green and low-cost as it may first appear. Here, we discuss both kaolin pretreatment methods and zeolite synthesis per se.
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