limestone
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We can supplyyou any colors of granite, marble, travertine, limestone, and quartz.
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- Q: What is the difference between limestone and cement? Is it a mine?
- The pure limestone is white. Limonite and siderite make the limestone produce a pattern and color of brown, such as red blood, sea green, chlorite green, asphalt ash until black. Produced from the sea of limestone from the physical change animal and plant debris, mud and calcareous skeletons in the water organic matter and other components. After the death of the organic matter, the carbonate is dissolved in seawater and accumulates on the sea floor. When the limestone is cut, it is found that there are intact or destroyed fossils inside the stone. The main component of cement limestone mine is silicate.
- Q: Do you need limestone powder for high speed or high grade roads?
- Raw lime powder in the road is mainly mixed with the soil, layers of compaction roadbed, in order to improve the hardness, strength and other performance indicators
- Q: What should be paid attention to when using calcium carbonate as feed
- Limestone with high magnesium content can not be used: because of the different origin of limestone magnesium content is not the same. The biological effectiveness of limestone is quite good. The biological availability of calcium 38%-40%, magnesium 0-0.3% limestone powder (gravel) can reach 91%-100%. Calcium 33%-37%, magnesium 0.4%-0.5% limestone, biological effectiveness of 70%-90%. The most influential factor was that the content of magnesium and magnesium increased by 1% and the efficiency of calcium decreased by 5%. Calcium containing 10%-12% magnesium dolomite, the biological effectiveness of calcium is only 51%-73%. However, the content of magnesium in limestone is not more than 0.5% as well, to reach the time of 1% is still available, more than 1.5% is absolutely not allowed to use.
- Q: What are the main uses of lime?
- Lime is a kind of building material, which is mainly used for masonry mortar, plastering mortar, three land base, lime stabilized soil and lime fly ash stabilized soil. Its chemical composition is calcium hydroxide, an alkaline substance, which reacts with carbon dioxide in the air to form calcium carbonate.
- Q: The difference between lime and cement
- Lime with quick lime and hydrated lime respectively. The main components of the lime is calcium oxide (CaO), to let the white solid fire. (CaO) with high content of limestone in lime kiln ventilation in the above calcination to 900 DEG C that is.
- Q: Use of limestone
- Lime and limestone used as building materials, it is also an important raw material in many industries. The limestone can be directly processed into stone and fire into lime. Lime lime and hydrated lime. The main components of the lime is CaO, the general is massive, pure white, containing impurities as a light gray or yellow. Lime to absorb moisture or water will become lime, lime is slaked lime, it is the main component of Ca (OH) 2 lime deployment into lime, lime and lime mortar, used as coating materials and tile adhesive. The cement is made from limestone and clay mixed with calcined at high temperature. The glass is composed of limestone, quartz sand, soda ash and other mixed by high melting. Iron with limestone as flux, remove the gangue with lime slag materials. Do steelmaking, removal of sulfur, phosphorus and other harmful impurities. Calcium carbide (mostly CaC2) is lime and coke Carbon reaction system in electric furnace. Soda ash with limestone, salt, ammonia and other materials through multi-step reaction process (Solvay method). Using lime soda and caustic soda made reaction (causticizing method). Using pure hydrated lime and chlorine bleaching of reaction. Made of calcium chloride, calcium nitrate, sub calcium sulfate calcium salt and other important chemical processing. Using limestone lime to remove water used as temporary rigid, water softener. Processing Limestone burn into pure powdered calcium carbonate filler for rubber, plastic, paper, toothpaste, cosmetics and so on. Alkali lime and soda made, as carbon dioxide absorbent. Lime as desiccant and disinfectant. Agriculture, with quick lime sulfur Bordeaux mixture, and other pesticides. Soil shoushihui can neutralize the acidity of soil, improve soil structure, plant supply It is necessary to use calcium to brush the trunk of the tree to protect the trees
- Q: Chemical equation of limestone and dilute hydrochloric acid
- CaCO3+2HCl=H2O+CO2+CaCl2Limestone is the main component of calcium carbonate, chemical formula is CaCO3Hydrochloric acid is a mixture of hydrogen chloride dissolved in water, the chemical reaction is generally involved in the reaction of hydrogen chloride, chemical formula HCl
- Q: Do you need lime to make steel
- Lime is the main steelmaking slag, so the general iron and steel factory requires a large amount of lime, and.The main requirements of converter steelmaking for lime are high activity, low sulfur content and moderate block.
- Q: Limestone grinding slag and blast furnace slag grinding ore powder have what use? What are the standard requirements?
- Limestone powder in materials science belongs to inert admixture, can be used in asphalt pavement, asphalt viscosity and strength, can also be used in railway and highway construction, plays a role in filling the overseas study data show that, although the inert limestone powder admixture, but there are some live in the building, railway and highway in the process, in the absence of fly ash, slag powder, with limestone powder;
- Q: Limestone ore powder
- Production machinery in foundry sand. Sand particle size of limestone production ranged from 28 to 75, the sand has better performance than quartz sand, good collapsibility, easy shakeout, improve the surface quality of the casting, increase casting surface finish, and basically eliminate the harm to the staff of silicosis. According to the statistics major the Steel Corp each year to outsourcing foundry sand tens of thousands of tons, the metallurgical industry limestone mine is a potential market.
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limestone
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