Sulfuric acid and nitric acid in high tonnage

You may not have heard of activated alumina. But probably you and your family have used active alumina many times. It may even be used in the water filters under your sink. This material is a form of alumina that has porosity and a high absorption surface for liquids and gases. Alumina, a chemical compound consisting of aluminum and oxygen molecules (Al2O3), is a white or brown crystalline material and is found in many Industries are used. This substance is found in nature as mineral corundum. The image below is a view of mineral corundum.

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Laminate is a protective and covering layer that is injected on the sack in different thicknesses. In addition to increasing the strength of the sack, this also prevents the passage of moisture.\r\n\r\nThe laminate machine is in charge of the above task, in such a way that it melts and mixes the raw materials, which are usually a combination of polypropylene and polyethylene, and other additives such as anti-UV, if needed, in its Mardon extruder, and to the determined thickness. It is usually in the range of microns and falls on the sack. This sack is passing with the appropriate speed and tension to achieve a smooth and uniform surface by injecting the material on it. After pouring the material from the mold onto the sack by the press rollers, which have a low temperature due to the cold water passing through them, they firmly stick to the surface of the sack and produce the final quality product.\r\n\r\nCellophane rolls or OPP and even paper can be glued to the surface of the sack with the laminating machine, in such a way that the layer removed from the mold of the laminating machine is placed between the sack and the cellophane or paper layer and the two layers are joined together. pasted This work makes the sack strong and gives a special beauty to the sacks.

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Desiccant**: Calcium chloride is used to absorb moisture in closed spaces, including in food storage boxes, in cold rooms and warehouses.\r\n\r\n2. **Road construction**: This composition is used to reduce ice on roads. It is mixed with road aggregates to increase the ice melting rate.\r\n\r\n3. Refrigeration: Calcium chloride is used to produce refrigerant in some cooling systems such as water coolers.\r\n\r\n4. **Agriculture**: This compound may be used as a nutrient for plants, especially in soils that are deficient in calcium.\r\n\r\n5. **Food industry**: Calcium chloride is used as an additive used in food production such as preparing dairy products and maintaining the hardness of food.\r\n\r\n6. **Textile industry**: In yarn production, calcium chloride may be used as an additive to stabilize yarn fibers.\r\n\r\n7. **Chemical industries**: Calcium chloride is used as a raw material in the production of other chemical compounds such as other chlorides, calcium carbonate, etc.\r\n\r\n8. **Mining industries**: In mining and refining processes, calcium chloride is used as an absorbing agent.\r\n\r\nIn general, calcium chloride is used as a multipurpose chemical with multiple applications in various industries