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Preparation of high pure refractory grade magnesium oxide from east coast sea water

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Title Preparation of high pure refractory grade magnesium oxide from east coast sea water
 
Creator Chowdhury, Apurba
Panda, Chitta Ranjan
 
Subject Sea water
Sea bittern
Double salt route
Double salt
Magnesium carbonate
Magnesium oxide
 
Description 614-622
Preparation of good quality magnesium oxide from seawater is the most challenging job because the vast majority of
undesired impurities come from seawater during the precipitation stage. Hence, the double salt route has been developed as
a very unique technique to prepare refractory grade magnesium oxide from seawater. Controlled addition of carrier reagent
at the precipitating stage precipitates magnesium as double salt. The double salt is transformed to magnesium carbonate
(MgCO3), which after calcination forms magnesium oxide (MgO). The product quality has been established by elemental
analysis, PXRD, FTIR, TG/DTG, and FESEM. Commercially available MgCO3 and MgO of HiMedia have also been
characterized simultaneously for comparison. The prepared magnesium oxide shows very high purity of 99.75%, which is
shown from EDS measurement and PXRD and can be suitable as basic refractory material for industrial purposes.
 
Date 2023-09-06T11:49:02Z
2023-09-06T11:49:02Z
2023-09
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscpr.res.in/handle/123456789/62506
https://doi.org/10.56042/ijct.v30i5.5215
 
Language en
 
Source IJCT Vol.30(5) [September 2023]