Method for extracting silicon dioxide from flyash

The invention discloses a method for extracting silicon dioxide from flyash, which comprises the following steps of: performing alkaline hydrolysis on the silicon dioxide in the flyash by using sodium hydroxide solution to prepare sodium silicate solution with the modulus between 0.4 and 0.8; direct...

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1. Verfasser:	QIN JINGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS
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