15000 HP gearless ball mill drive in cement-why not!

2002 ◽  
Author(s):  
R.A. Errath
Keyword(s):  
Ball Mill

Fast, solvent-free and highly enantioselective fluorination of β-keto esters catalyzed by chiral copper complexes in a ball mill

2017 ◽  
Vol 19 (7) ◽  
pp. 1674-1677 ◽  
Author(s):  
Yifeng Wang ◽  
Haojiang Wang ◽  
Yidong Jiang ◽  
Cheng Zhang ◽  
Juanjuan Shao ◽  
...  
Keyword(s):  
Ball Mill ◽  
Copper Complexes ◽  
Solvent Free ◽  
Planetary Ball Mill ◽  
Keto Esters ◽  
Solvent Free Conditions

A fast and highly enantioselective fluorination of β-keto esters catalyzed by diphenylamine linked bis(oxazoline)-Cu(OTf)2 complexes under solvent-free conditions has been developed using a planetary ball mill.

scholarly journals Mechanochemical Aza-Vinylogous Povarov Reactions for the Synthesis of Highly Functionalized 1,2,3,4-Tetrahydroquinolines and 1,2,3,4-Tetrahydro-1,5-Naphthyridines

Molecules ◽  
2021 ◽  
Vol 26 (5) ◽  
pp. 1330
Author(s):  
José Clerigué ◽  
M. Teresa Ramos ◽  
J. Carlos Menéndez
Keyword(s):  
Zirconium Oxide ◽  
Aromatic Amines ◽  
Ball Mill ◽  
Povarov Reaction

The aza-vinylogous Povarov reaction between aromatic amines, α-ketoaldehydes or α-formylesters and α,β-unsaturated dimethylhydrazones was carried out in a sequential three-component fashion under mechanochemical conditions. Following extensive optimization work, the reaction was performed on a vibratory ball mill operating at 20 Hz and using zirconium oxide balls and milling jar, and afforded 1,2,3,4-tetrahydroquinolines and 1,2,3,4-tetrahydro- 1,5-naphthyridines functionalized at C-2, C-4 and also at C-6, in the latter case. This protocol generally afforded the target compounds in good to excellent yields and diastereoselectivities. A comparison of representative examples with the results obtained under conventional conditions revealed that the mechanochemical protocol affords faster Povarov reactions in comparable yields using a solvent-less environment.

Process-Based Statistical Modeling for Ball Mill Machine to Improve Performance of Nylon Ultracapacitor

2021 ◽  
Author(s):  
Laxman Shivaji Godse ◽  
Vispi Neville Karkaria ◽  
Mayank Jayant Bhalerao ◽  
Parshuram Balwant Karandikar ◽  
Neelima Ravindra Kulkarni
Keyword(s):  
Statistical Modeling ◽  
Ball Mill ◽  
Improve Performance
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