A process of preparing precipitated silica from rice husk comprising the steps of:
a. reacting rice husk ash with sodium hydroxide to obtain sodium silicate solution;
b. reacting the sodium silicate solution with carbon dioxide to obtain precipitated silica and sodium carbonate solution; and
c. evaporating the so...
[Class : 7] Machies And Machine Tools Motor And Engines Especially Relating To Rice Milling Flour Milling Fed Milling Chocolate Making Coffee And Cocoa Processing Brewing Oil, Extraction And Other Like Applications And Parts Components And Accessories Gtherof Included In Class 7
[Class : 7] Machines And Machine Tools; Motors And Engines (Except For Land Vehicles); Machine Coupling And Transmission Components (Except For Land Vehicles) And Parts Thereof.
[Class : 7] Machines And Machine Tools, Motors And Engines, Especially Relating To Rice Milling, Flour Milling, Feed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing Oil Extraction And Other Like Applications And Parts Components And Accessoires Thereof
[Class : 7] Machines And Mahcine Tools, Motors And Engines, Especially Relating To Rice Milling, Flour Milling Feed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing, Oil Extraction, Etc.
[Class : 7] Machines And Machine Tools, Motors And Engines, Especially Relating To Rice Milling, Flour Milling, Feed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing Oil Extraction And Other Like Applications And Parts Components And Accessoires Thereof Included In Class 7.
[Class : 7] Machines And Machine Tools, Motors And Engines, Especially Relating To Rice Milling, Flour Milling, Feed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing, Oilextraction And Other Like Applications And Parts, Components And Accessories.
[Class : 7] Machines And Machine Tools, Motor And Engines, Especially Relating To Rice Milling, Flour, Feed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing, Oil Extraction Applications And Parts, Components And Accessories Included In Class 7.
[Class : 7] Machines And Machine Tools, Motors And Engines, Especially Relating To Rice Milling, Flour Milling, Feed Milling, Chocolate Making, Coffee And Cocoa Processiong,Brewing, Oil Extraction And Other Like Applications And Parts, Components And Accessories Thereof In Class 7
[Class : 7] Machines And Machine Tools, Motor And Engines, Especially Relating To Rice Milling, Flour Milling, Fed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing Oil, Extraction And Other Like Applications And Parts Components And Accessories Therof Included In Class 7.
[Class : 31] Agricultural, Horticultural And Forestry Products And Grains Not Included In Other Classes, Live Animals, Fresh Fruits And Vegetables; Seeds; Natural Plants And Flower; Foodstuffs For Animals, Malt[Class : 29] Meat, Fish, Poultry And Game; Meat Extracts; Preserved, Dried And Cooked Fruits And Vegetables; Jellies, Jams, Fruit Sauces; Eggs, Milk And Milk Products,...
[Class : 7] Machines And Machine Tools, Motors And Engines, Especially Relating To Rice Milling, Flour Milling, Feed Milling, Chocolate Making, Coffee And Cocoa Processing, Brewing Oil Extraction And Other Like Applications And Parts Components And Accessoires Thereof
[Class : 7] Machies And Machine Tools Motor And Engines Especially Relating To Rice Milling Flour Milling Fed Milling Chocolate Making Coffee And Cocoa Processing Brewing Oil, Extraction And Other Like Applications And Parts Components And Accessories Therof Included In Class 7
[Class : 7] Machines And Machine Tools, Motors And Engines Especially Relating To Grain Processing And Parts And Components Thereof Included In Class 7