Calcined anthracite coal Recarburizer 90%-98.5%for Iron casting
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t
- Supply Capability:
- 500000 m.t/month
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Specifications of Calcined anthracite coal:
Calcined anthracite coal/Recarburizer 90%-98.5%for Iron casting
C:90%min
S:0.36%max
Mositure:0.6%max
Anthracite Coal for more than 10 years
Data Sheet:
Fixed carbon | 90%min |
Ash content | 8.0%max |
Vol . Matter | 2.0%max |
Sulphur content | 0.36%max |
Moisture content | 0.6%max |
Size | As per customers' requirement |
packing | 25kg paper bag on the pallet or 10kg paper bag shrieked wrapped on the pallet or 1MT big bag or other packing as required |
delivery time | 20days or depends on the order quantity |
Supply ability | 3000 Metric Ton/Metric Tons / Month |
Payment terms | L/C at sight or T/T |
Size: 1-4mm, 1-5mm, 3-8mm, 8-20mm (as per customers’ requirement)
Usage: Gas Calcined Anthracite/GCA is carbon raiser, widely used in steel-making, metallurgical.
- Q: How does carbon contribute to the structure of DNA?
- Carbon is a crucial element in the structure of DNA. It plays a fundamental role in the formation of the sugar-phosphate backbone of the DNA molecule. The backbone is composed of alternating sugar and phosphate molecules, and the sugar molecule in DNA is deoxyribose. Carbon is a major component of deoxyribose, with each deoxyribose sugar containing five carbon atoms. These carbon atoms provide the backbone with stability and rigidity, allowing it to maintain the overall structure of the DNA molecule. Furthermore, carbon is also involved in the formation of the nitrogenous bases that make up the rungs of the DNA ladder. There are four nitrogenous bases in DNA: adenine (A), guanine (G), cytosine (C), and thymine (T). Carbon atoms are present in the structure of each of these bases, contributing to their unique chemical properties. Carbon-containing functional groups, such as amino and keto groups, participate in hydrogen bonding and stacking interactions that determine the base pairing within the DNA double helix. In summary, carbon is an essential component of DNA's structure. It contributes to the stability and rigidity of the sugar-phosphate backbone and is also involved in the formation of the nitrogenous bases. The unique properties of carbon allow DNA to maintain its double helix structure and facilitate the accurate transmission of genetic information.
- Q: How does a kebab cook at home?
- The string label used (as with oil, burning flammable), placed below, then take a layer without burning the child, put carbon. The main thing is to make a gap between the fire and carbon. Then from the stove below the fan, let the fire go.
- Q: What is the carbon content of different types of soil?
- The carbon content of different types of soil can vary significantly depending on various factors such as climate, vegetation, and land management practices. Generally, soils with higher organic matter content tend to have higher carbon content. Peat soils, for example, have the highest carbon content among all soil types, ranging from 30% to 60%. These soils are formed in wetland areas where the decomposition of organic matter is slow due to water saturation. As a result, large amounts of carbon accumulate over time. Forest soils also tend to have relatively high carbon content, varying between 1% and 10%. Forests provide a continuous supply of organic matter through litterfall, which contributes to the build-up of carbon in the soil. Agricultural soils, on the other hand, typically have lower carbon content compared to peat or forest soils. The carbon content of agricultural soils is influenced by factors such as crop rotation, organic amendments, and tillage practices. Depending on these factors, carbon content in agricultural soils can range from less than 1% to around 6%. Grassland soils may have carbon contents similar to agricultural soils, depending on the management practices. However, in undisturbed grasslands with high plant productivity, carbon content can be relatively higher, ranging from 2% to 8%. In arid and desert regions, soils tend to have lower carbon content due to limited vegetation and slower organic matter decomposition rates. Carbon content in these soils is often less than 1%. It is important to note that these ranges are generalizations, and the carbon content of soil can vary within and between soil types. Additionally, changes in land use, such as deforestation or conversion of grasslands to agriculture, can significantly impact the carbon content of soils.
- Q: How does carbon impact soil health?
- The role of carbon in maintaining and improving soil health cannot be overstated. Carbon is a vital component of organic matter, which is crucial for fertile and productive soils. By decomposing plant and animal residues, carbon is introduced into the soil, resulting in better soil structure, increased water holding capacity, and improved nutrient availability. Soil structure is greatly influenced by carbon, as it binds with soil particles to form aggregates. These aggregates create pore spaces within the soil, allowing for improved aeration, water infiltration, and root penetration. The presence of these pore spaces encourages the growth of beneficial soil organisms like earthworms and microorganisms, which further contribute to soil health. In addition to enhancing soil structure, carbon also plays a critical role in improving the water holding capacity of soils. Organic matter, which is rich in carbon, acts like a sponge, holding moisture and preventing water runoff. This is especially important in regions with arid or drought-prone climates, where water scarcity is a concern. Increased water retention not only helps plants withstand dry periods but also reduces erosion and nutrient leaching. Furthermore, carbon is an essential nutrient for soil microbes. Microorganisms, such as bacteria and fungi, break down organic matter and release nutrients that plants require for growth. Carbon-rich soils provide an ideal environment for these microorganisms to thrive, resulting in greater nutrient availability for plants. Additionally, as microorganisms decompose organic matter, they release beneficial substances like enzymes and hormones that support plant growth and overall soil health. To summarize, the impact of carbon on soil health cannot be ignored. It improves soil structure, enhances water holding capacity, and promotes nutrient availability. Therefore, it is crucial to manage and increase carbon content in soils through practices like incorporating organic amendments, implementing cover cropping, and minimizing tillage. These actions can significantly benefit agricultural productivity and sustainability.
- Q: What is carbon nanoelectronics?
- Carbon nanoelectronics refers to the field of study and technology that focuses on using carbon-based materials, particularly carbon nanotubes or graphene, to create electronic devices and components at the nanoscale. These materials possess unique electrical and mechanical properties, making them highly promising for developing faster, smaller, and more efficient electronic devices such as transistors, sensors, and memory storage units.
- Q: How can carbon capture and storage be implemented?
- Carbon capture and storage (CCS) can be implemented through a three-step process. First, carbon dioxide (CO2) is captured from industrial emissions sources such as power plants or factories. This can be done using technologies like post-combustion capture, pre-combustion capture, or oxy-fuel combustion. Second, the captured CO2 is transported via pipelines or ships to suitable storage sites. These storage sites can include deep underground geological formations, such as depleted oil and gas fields or saline aquifers. Finally, the CO2 is securely stored in these underground reservoirs, preventing it from being released into the atmosphere. Implementing CCS requires the development of appropriate infrastructure, supportive policies, and investment in research and development to make the process economically viable and environmentally sustainable.
- Q: How does carbon dioxide affect the Earth's climate?
- The Earth's climate is significantly affected by carbon dioxide (CO2), a greenhouse gas. When released into the atmosphere through natural and human activities like deforestation, burning fossil fuels, and industrial processes, carbon dioxide traps heat from the sun and prevents it from escaping into space. This process is commonly referred to as the greenhouse effect. The accumulation of carbon dioxide in the atmosphere leads to a rise in global temperatures, resulting in climate change. As CO2 levels increase, more heat gets trapped, causing the Earth's average temperature to rise over time. This phenomenon is known as global warming. The consequences of increased carbon dioxide levels and subsequent climate change are extensive. Rising temperatures cause glaciers and polar ice caps to melt, contributing to a rise in sea levels. This can lead to coastal flooding, displacement of communities, and loss of biodiversity. Moreover, altered weather patterns, including more frequent and intense heatwaves, droughts, and extreme weather events like hurricanes and storms, are also associated with increased carbon dioxide levels. These events can have devastating impacts on ecosystems, agriculture, and human settlements. Furthermore, elevated CO2 levels also impact the chemistry of the oceans, making them more acidic through a process called ocean acidification. This poses a threat to marine life, especially organisms with calcium carbonate shells, such as corals and shellfish. To mitigate the impacts of carbon dioxide on the Earth's climate, it is crucial to reduce greenhouse gas emissions. This can be accomplished by transitioning to renewable energy sources, improving energy efficiency, promoting sustainable land use practices, and adopting cleaner technologies. Additionally, initiatives like afforestation and reforestation can help absorb CO2 from the atmosphere, acting as carbon sinks. Taking action to address the issue of carbon dioxide and its impact on the Earth's climate is vital to protect the planet's ecosystems, biodiversity, and human societies. By reducing carbon emissions, we can lessen the effects of climate change and work towards a more sustainable future.
- Q: What are the impacts of carbon emissions on the stability of grasslands?
- The stability of grasslands is significantly affected by carbon emissions. When carbon dioxide (CO2) is released into the atmosphere, it contributes to the greenhouse effect and causes global warming. This rise in temperature has various harmful consequences for grasslands. To begin with, higher temperatures can disrupt the equilibrium of grassland ecosystems. Many grassland species require specific temperatures for their growth and reproduction. As temperatures increase, these species may struggle to adapt, resulting in a decline in their populations. This disruption can negatively impact the overall biodiversity and ecological stability of grasslands. Additionally, global warming can change precipitation patterns, leading to alterations in water availability in grasslands. Reduced rainfall or increased evaporation can create drought conditions, making it challenging for grasses to flourish. This can ultimately cause grasslands to transform into barren areas devoid of plant life, a process known as desertification. Moreover, carbon emissions contribute to the acidification of the oceans, which indirectly affects grasslands. Acidic ocean waters impact marine organisms, including those responsible for generating nutrients that are carried by winds to coastal and inland grasslands. If these nutrient sources decline, grasslands may experience reduced fertility and productivity, ultimately affecting the stability of these ecosystems. Lastly, carbon emissions can worsen the frequency and intensity of wildfires. Grasslands are naturally adapted to periodic fires, which play a vital role in maintaining biodiversity and regulating plant populations. However, the increase in carbon dioxide levels can fuel more severe and frequent wildfires, leading to the destruction of grasslands and making their recovery more challenging. In conclusion, carbon emissions have numerous negative impacts on grassland stability. They disrupt the balance of grassland ecosystems, change precipitation patterns, contribute to ocean acidification, and increase the risk of wildfires. These effects can result in biodiversity loss, desertification, reduced fertility, and overall instability in grassland ecosystems. It is essential to reduce carbon emissions and mitigate the consequences of global warming to ensure the long-term stability and preservation of grasslands.
- Q: Rod box material, there is a kind of material called carbon fiber, who knows this material is good?
- Very good, carbon fiber is made of organic fiber after a series of heat treatment into, inorganic fiber with high performance carbon content is higher than 90%, is a new material with excellent mechanical properties, the intrinsic properties of natural carbon material with, and both the textile fiber soft processing, is a new generation of fiber. Carbon fiber is a new dual-use material for military and civilian use. It is the key material of technology intensive and politically sensitive. It is the only material that does not drop in the high temperature inert environment above 2000 degrees celsius. Carbon fiber steel accounted for less than 1/4, the tensile strength of composite is generally above 3500Mpa, is 7-9 times that of steel, carbon fiber has superior corrosion resistance, it can also be safe and sound in the dissolution of gold and platinum "aqua".
- Q: The relative molecular mass was between 120-150. The testThe organic matter M, which contains only carbon, hydrogen and oxygen, was measured by mass spectrometer. The relative molecular mass was between 120-150. The mass fraction of oxygen element measured by experiment is 48.48%, the ratio of hydrocarbon to mass is 15:2, and only COOH in M molecule is measured by infrared spectrometer. Then the M formula is?
- The mass fraction of oxygen element is 48.48%, the mass fraction of hydrocarbon is =51.52%, and the mass ratio is 15:2. The mass fraction of carbon is =51.52%x15/ (15+2) =45.46%, and the mass fraction of hydrogen is =51.52%x2/ (15+2) =6.06%The atomic number of C, H and O is higher than that of =45.46%/12:6.06%/1:48.48%/16=3.79:6.06:3.03Molecules contain only COOH, and oxygen atoms must be even numbers.Therefore, the number of atoms in C, H and O can be reduced to =5:8:4, which may be C5H8O4, and the relative molecular weight is 132
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Calcined anthracite coal Recarburizer 90%-98.5%for Iron casting
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t
- Supply Capability:
- 500000 m.t/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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