An Overview of Current and Prognostic Trends on Synthesis, Characterization, and Applications of Biobased Silica

Table 1

Percentage of silica in ash produced by different biomass sources.

Feedstock	Silica content (%)	Different methods	Calcination temperature (°C)	Type of materials	Structural properties	Reference
Rice husk	97.44	Sol gel	850@3 hr	Silica gel	Amorphous	[5]
Sorghum bagasse	96.36	Sol gel	600@3 hr	Silica gel	Amorphous	[6]
Teff straw	91.80	Hydrothermal	900@2 hr	Silica	Crystalline	[7]
Maize leaves	93.00	Leaching	[email protected] hr	Silica gel	Amorphous	[8]
Rice straw	84.60	Extraction	500@2 hr	Silica	Crystalline	[9]
Wheat straw	83.00	Sol- gel	550@4 hr	Silica gel	Amorphous	[10]
Sugarcane bagasse	81.60	Sol gel	550@1 hr	Silica gel	Amorphous	[11]
Sugarcane leaf	80.14	Sol gel	600@1 hr	Silica gel	Amorphous	[12]
Bamboo leaf	75.90	Extraction	950@1 hr	Silica gel	Amorphous	[13]
Corn cob	52.32	Sol gel	650@3 hr	Silica gel	Amorphous	[14]
Palm	46%	Leaching	[email protected] hr	Silica gel	Amorphous	[1]