Besides acid concentration, acid dosage, acid leaching time, temperature and ore agitation can affect the acid leaching effect of quartz.
High purity quartz sand with a purity of 99.99% can be obtained by acid leaching of quartz sand.
The ash content of the product coal can be reduced even further by redispersing the product coal in clean water and then reagglomerating the particles of coal and/or by subjecting it to an acid leach.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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