Determination Rice Husk Amorphous Silica In Alor District As An Additive On The Manufacture Of Composite Portland Cement

Widya Teknik

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Title Determination Rice Husk Amorphous Silica In Alor District As An Additive On The Manufacture Of Composite Portland Cement
 
Creator Botahala, Loth
 
Subject
 
Description Research on the determination of amorphous silica in Alor rice as an additive in the manufacture of portland composite cement has been carried out. The aim this to determine the concentration of amorphous silica in the form of oxides in rice husk ash with variations in time and combustion temperature. Washed rice husks are heated in an oven at 100 °C for 24 hours. After that rice husk is heated in the furnace with variations in temperature and time. Rice husk ash originating from the furnace combustion is then cooled for 24 hours and smoothed in a blender for 3 minutes, then sifted on the number size 230 sieve and analyzed using X-RD and X-RF. X-RD results showed that the rice husk ash samples were amorphous with the name Chitopentaose caprate (C200H363N5O38). While the results of X-RF at combustion with a temperature of 700 °C and time of 4 hours obtained amorphous silica at 97.50% with a very low CaO concentration of 0.467%.
 
Publisher Widya Teknik
 
Contributor
 
Date 2020-11-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://journal.wima.ac.id/index.php/teknik/article/view/2103
10.33508/wt.v19i2.2103
 
Source Widya Teknik; Vol 19, No 2 (2020): November; 74-78
2621-3362
1412-7350
10.33508/wt.v19i2
 
Language eng
 
Relation http://journal.wima.ac.id/index.php/teknik/article/view/2103/pdf
http://journal.wima.ac.id/index.php/teknik/article/downloadSuppFile/2103/173
 
Rights Copyright (c) 2020 Widya Teknik
https://creativecommons.org/licenses/by-nc-sa/4.0
 

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