Advances in Materials Science and Engineering / 2016 / Article / Fig 5

Research Article

A Novel Environmental Route to Ambient Pressure Dried Thermal Insulating Silica Aerogel via Recycled Coal Gangue

Figure 5

The silicon extraction yields adjusted by (a) the calcination temperature, (b) the Na2CO3 to coal gangue ratio, and (c) calcination time.
(a)
(b)
(c)

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