The Function Of Silica Sand Or Commonly Called Quartz Sand Or Quartz Sand (Sio2) Is To Eliminate The Content Of Mud Or Soil And Sediments In Drinking Water Or Ground Water Or Tap Water Or Mountain Water In The Water Treatment Industry. Besides In The Field Of Water Treatment, Silica Sand Can Be Used In Various Industries Such As Sand Blasting Industry / Processing Or Making Futsal Fields With Various Mesh Sizes. In Industrial Activities, the Use of Already Developed Quartz Sand Widespread, Both Directly as the Main Raw Material and the Ingredient Material. As Main Raw Materials, For example Used In Industrial Glass / Glass, Cement, Tiles, Ceramic Mosaic, Fero Silicon Raw Materials, Silicon Carbide Abrasive Materials (Emery And Sand Blasting). Whereas As an Additive Material, For example in the Cor Industry, Petroleum and Mining Industry, Fireproof Brick (Refractories), and Others. The Largest Quartz Sand Reserves Are Available In West Sumatra, Other Potentials Are Available In West Kalimantan, West Java, South Sumatra, South Kalimantan, And Bangka And Belitung Islands.
Quartz Sand in Cement Making Serves as a Complement to Silica Content for Cement Produced. Silica content for cement plants ranges from 21.3% Sio2. If the Sio2 Composition Has Not Been Reached Added Quartz Sand. The Use of Quartz Sand in the Industry Varies Depending on the Content of Silica of Other Raw Materials, Usually Ranging Between 6-7%. In the Ceramic Industry, Quartz Sand Is a Ceramic Body Shaper Together with Other Raw Materials, such as Kaolin, Clay, Feldspar, and Coloring Materials. This Quartz Sand Is Generally Forming Glazing Properties On The Ceramic Body, So It Is Slippery And Easy To Clean. In Addition, Quartz Sand Has The Nature As A Management Material That Can Facilitate The Process Of Drying, Controlling, Depreciating, And Giving A Framework To The Ceramic Body. The Final Process Of Processing Quartz Sand Into Glass And Glass, That Is With The Way To Merge It With Other Materials Such As Soda And Lime In A Smelting Furnace. As a Material for Forming Glass Contribution of Very Dominant Silica (Sio2). Other Elements Like Soda (Na2o) Used In The Melting Process, While Lime (Cao And Mgo) Serves As A Stabilizer When The Melting And Re-Forming Processes Of The Glass And Glass. Usually, when processing sulfur is added to help soften the glass when thawed. For High Quality Glass Making Processes, It Is Need To Add Aluminum Oxide (Al2o3) And B2o3 To Increase The Endurance Of Glasses. Utilization of Quartz Sand in the Casting Industry, Because It Has a Higher Melting Point Than Metal. The Function Of Quartz Sand In This Industry Is As A Sand Print And Foundry. The Conditions of Quartz Sand For Sand Print Need Special Criteria, Such As Spread And Smoothness Of Grain, Grain Forms, Bulk Density, Base Permeability And Mensinter Points, Clay Levels, Tempering Water, Compressive Strength, Shear Strength, And Permeability. Quartz Sand In Fireproof Brick Industry Used For Brick Construction Formers. Use of quartz sand in other industries, namely as hardening agents in rubber processing, filling material (paint industry), emery materials (grinding industry), rust removal materials (metal industry), filtering materials (water purification industry), raw materials in the manufacture of ferro Silicon Carbide, and Others, Like in Microchip Industries (Electronics).
Nowadays with the development of technology began to many applications the use of silica in the industry increasingly increased especially in the use of silica in small particle sizes to micron or even nanosilica scales. Reduced Raw Material Size Particle Conditions Make Products Have Different Properties That Can Improve Quality. As One Example Of Silica With Micron Size Is Widely Applied In Material Building, That Is As A Mixed Material On Concrete. The Empty Cavity Between Cement Particles Will Be Filled By Microsilica So That It Serves As A Concrete Strengthening Material (Mechanical Property) And Increases Durability (Durability). During this time Domestic Microscopic Needs Are Filled By Imported Products. Other Smaller Size Is Nanosilica Bnyak Used In Applications In The Industry Of Tires, Rubber, Paints, Cosmetics, Electronics, And Ceramics. As One Example Is In General Tires And Rubber Products. Benefits of Adding Nanosilica to Tires Will Make Tires Have Greater Adhesion on the Snow Road, Reduce the Noise Caused and the Age of the Tire Is More Displayed Than Tire Products Without Addition of Nanosilica. To Obtain Size Of Silica Up To Nano / Microsilica Size Need Special Treatment For The Process. For Microscopy Usually Can Be Obtained By Special Milling Method, That Is The Ordinary Milling Method That Has Been Specially Modified So That The Ability To Destroy It Is Much More Effective, With This Method It Is Even Possible To Also Get Silica Up To The Nano Scale. Whereas For Nanosilica Can Be Obtained By Certain Methods Which Are Now Much Researched Including Sol-Gel Process, Phase Process Gas, Chemical Precipitation, Emulsion Techniques, And Plasma Spraying & Foging Process (Polymerization of Dissolved Silica Into Organo Silica). In Addition Is That Local Silica Industrial Production Capacity Utilization Is Not Maximum, Only 50% Of The Maximum Capacity Available. This Is Due To The Local Silica Products That Are Produced Do Not Meet The Specifications Needed By The Market That Is Silica With Sub Micron Size, While The Local Silica Production Results Are Sized = 30 Μm. With a reserve of abundant silica raw materials and market potential that is still wide open, solutions need to be sought so that existing resources can be optimally utilized for the development of industries using silica sand raw materials.
In Brief the Use of Silica Sand:
1. On water treatment for purification by absorbing mud, soil, sediment (Mesh 4-30, Range: 4-6, 8-16, 16-30)
2. In the Abrasite Industry, Sand Blasting (Mesh 8-30, 16-30)
3. Main Industrial Materials Form of Flour Silica / Silica Flour (Mesh 50-2500 Generally Mesh 100,150,200,300,325) Namely For Glass / Glass (Sio2> 95%, Mesh 200-325), Cement (Sio2 = 21,3%, Mesh 200-325 ), Tiles / Mosaics / Ceramics (Forming Glossy / Easy to Clean, Mesh 200-325), Fero Silicon, Silicon Carbide, Microchips / Electronics (Nano Silica Size)
4. Crude / Mixed Raw Materials in Cor / Precast Industry (Size of Micro Silica), Petroleum / Mining (Mesh 200-325), Fireproof Brick (Refractories, Mesh 200-325)
5. Futsal Field (Mesh 8-16), Landscapping (Mesh 60-100)
6. Mixed Materials as Hardening Materials in Rubber / Tire / Paint Industries (Nano Silica Size), Burrs
Water filter