Activated carbon (also known as active carbon or activated charcoal), is an artificial carbonaceous (carbon-rich) material. It is typically made from wood, but also can be made using bamboo, coconut husk, peat, woods, coir, lignite, coal, pitch, and other dense carbon sources. There are a variety of similar substances that fall under the general classification of activated carbon such as activated coal and activated coke, but they all share the properties of vast surface area per mass, exceptional microporosity, and a composition of almost exclusively elemental carbon. The pore structure of activated carbon can be seen with an electron microscope and is primarily responsible for its usefulness. Microscopes show a surface honeycombed with holes and crenelated with ridges which join to a similar structure deeper within the carbon. Due to this structure, a pound of activated carbon, for instance, can have as much as 100 acres of surface area packed into it. These small, low-volume pores allow for increased adsorption capacity (the process of chemical surface bonding, not to be confused with absorption) and allow more reactions between the carbon and other media. Activated carbon is therefore highly valued in filtering, deodorization, medical, and chemical applications, as most contaminants easily bind to it and remain trapped in the carbon microstructure via many small distance-dependent atomic attractions (known as London dispersion forces). Because carbon is produced through a relatively inexpensive and simple series of activation processes, it is widely available for applications; however, activated carbon must be constantly changed as it becomes clogged with contaminants, water, and becomes a breeding ground for dangerous microorganisms after a certain contact time. This means activated carbon is constantly produced to meet the demands of its uses and is kept in large supply to ensure no delay exists in the replacement process. How to Make Activated Carbon The production process of activated carbon, or the activation of carbon, exists in two forms. A carbonaceous source such as wood, coal, peat, or any organic carbonaceous material is carbonized, which means the pure carbon is extracted by a heating method known as pyrolysis. Once the material is carbonized, the material needs to be oxidized or treated with oxygen either by exposure to CO2 or steam or by an acid-base chemical treatment. The sections below will briefly detail these processes.
Unidirectional carbon fiber fabric is a type of composite material that consists of carbon fibers arranged in a single direction within a matrix material, typically epoxy resin. The carbon fibers in unidirectional fabric are aligned parallel to each other, which gives the material its name, "unidirectional." Directional Strength: Unidirectional carbon fiber fabric exhibits exceptional strength in the direction of the fibers. This characteristic is particularly advantageous when a component or structure primarily experiences loads along a specific axis. Lightweight: Carbon fibers are renowned for their low density, contributing to the lightweight nature of unidirectional fabric. This attribute is crucial in applications where weight reduction is critical. High Stiffness: Carbon fibers have a high modulus of elasticity, resulting in a stiff material. This stiffness minimizes deflection under load, which is important in applications where structural rigidity is paramount. Tailorability: Unidirectional carbon fiber fabric can be customized to meet specific requirements. Engineers can adjust the fiber orientation, the type of matrix material (commonly epoxy resin), and the number of plies to tailor the mechanical properties for different applications. Corrosion Resistance: Carbon fibers are inherently corrosion-resistant, making unidirectional fabric suitable for use in harsh environments, where protection against environmental factors is essential. Fatigue Resistance: These materials are highly resistant to fatigue, ensuring a long service life even under cyclic loading conditions. Thermal Conductivity: Carbon fibers have relatively low thermal conductivity, which can be advantageous in applications where thermal insulation or minimal heat transfer is required. Balanced Anisotropy: Unidirectional fabric offers anisotropic properties, meaning its mechanical characteristics vary with orientation. Engineers can harness this anisotropy by combining multiple layers or orientations of fabric to achieve balanced mechanical properties in different directions. High Cost: Unidirectional carbon fiber fabric can be expensive due to the cost of carbon fibers and the manufacturing process. However, the high performance and durability of the material can often justify the cost in applications where its unique properties are essential. Structural Strengthening: Unidirectional carbon fiber composites can be used to reinforce and strengthen existing building structures, such as bridges, beams, columns, and slabs. This technique can help extend the service life of older buildings or structures that require additional load-bearing capacity. Seismic Retrofitting: In regions prone to seismic activity, unidirectional carbon fiber composites can be applied to enhance the seismic resistance of buildings by improving their structural integrity. This retrofitting helps reduce the risk of damage during earthquakes.
We are manufacturer of recovered carbon black. Our carbon is used in below industries: Rubber Industry Plastic Industry Paint Industry Tyre industry
Coal-based Activated Carbon with Powder Powdered activated carbon (PAC) is a fine black powder that is produced by heating carbon-rich materials, such as coal, wood, or coconut shells, in the absence of air to create activated carbon. PAC is widely used in various applications, including water treatment, air purification, gas processing, and industrial processes. Powdered Activated Carbon Powdered activated carbon (PAC) is a fine black powder that is produced by heating carbon-rich materials, such as coal, wood, or coconut shells, in the absence of air to create activated carbon. PAC is widely used in various applications, including water treatment, air purification, gas processing, and industrial processes. In water treatment, PAC is added to the water to remove organic contaminants, such as pesticides, solvents, and pharmaceuticals, as well as taste and odor-causing compounds. The PAC particles attract and adsorb these contaminants, effectively removing them from the water. PAC is also used in wastewater treatment to remove dissolved organic compounds and color from the wastewater.
The complete recycling of waste tires will greatly increase the added value and application range of the product. it can be used to produce rubber products such as heavy-duty truck tires and high- performance conveyor belts; shock absorbers for high-end equipment such as automobiles, engines, high-speed rail bridges, and lightweight interior materials for automobiles. Pyrolysis carbon black ELD 660 can replace 20-40% carbon black.
Charcoal pellet is made from quality rice husks charcoal and blocked with diameter according to request and needs, and dried using an oven until completely dry.It is used for Biomass fuel and industrial heating.
Hulani International are manufacture and supplier, high quality Activated Carbons to industry and water treatment plants in granular, powdered, and extruded forms, made from diverse raw materials including various grades of coal, and wood. All our activated carbon products are derived from high quality raw material thereby assuring greater purity and superior performance through higher surface area & more pore volume per gram. We would also appreciate your help in making contact and getting acquainted with those businesses. Registration/affiliation: Hulani International has obtained the following certificates from the Government of India: Goods and Service Tax, Import Export Code, Federation of Indian Export Organisation. GSTIN - 24AAPFH9810E1ZC IEC - AAPFH9810E FIEO - RCMC/FIEO/03399/2023-24 Target customers: Importers, Wholesalers, Traders, Supplier of Ceramics product, Plastic product like a LLDPE powder (HSN Code:39011010) and many more. We look forward to your cooperation. If our specifications match each other, we can develop a good business together. If you send me the list of buyers of my product, I will be very grateful. Thank you very much, Respectfully, Rohankumar Hulani
Cathode carbon blocks which is made of high-quality anthracite, coke, graphite and other raw materials. Alternative of Carbon Anode Blocks. Applications: Alternative of foundy coke, carbon anode butts, etc. Used in iron melting cupola furnace as fuel and fluorite substitute As fuel in cement plants, steel plants, cast iron plants, foundries and thermal power plants Waste incineration plants and some as boiler fuel
Classification: Chemical Auxiliary Agent CAS No.: 7440-44-0 Other Names: Activated Carbon Purity: 99% Place of Origin: India Type: Adsorbent Adsorbent Variety: Activated Carbon Usage: Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals Product name: Coconut Shell Based Activated Carbon Appearance: Black granular Specifications: 6x12 mesh, 8x16 mesh Application: Gold Purification Material: Coconut Shell Iodine Value: Above 1000 Adsorbent: Activated carbon
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Drinking water is a precious resource essential for human survival, and ensuring its quality is of utmost importance. Various methods are employed to treat and purify drinking water, and one of the most effective and widely used techniques is the use of activated carbon. Activated carbon, also known as activated charcoal, is a highly porous form of carbon that has exceptional adsorption capabilities, making it an ideal material for removing impurities from water. In this comprehensive explanation, we will delve into the science behind how activated carbon works in drinking water treatment, its properties, and the processes involved.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Understanding Activated Carbon Activated carbon is derived from organic materials such as wood, coal, peat, coconut shells, or even agricultural by-products. It goes through an activation process that creates an extensive network of pores and increases its surface area, giving it a unique ability to attract and trap various contaminants. Physical Adsorption The primary mechanism by which activated carbon works is physical adsorption, also known as Van der Waals forces or London dispersion forces. These are weak intermolecular forces that occur when carbon's surface attracts and retains organic and inorganic compounds present in water. The high porosity of activated carbon provides an enormous surface area for the adsorption process to take place, allowing it to trap a wide range of impurities.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Activated Carbon Types Activated carbon is available in various forms, including powdered, granular, and block. The choice of activated carbon type depends on the specific application and the level of purification required. Adsorption of Organic Contaminants One of the key functions of activated carbon in drinking water treatment is the removal of organic contaminants. These may include natural organic matter (NOM), synthetic organic chemicals, pesticides, herbicides, and industrial chemicals. The porous structure of activated carbon efficiently captures these contaminants, thereby reducing their
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Adsorption of Heavy Metals Activated carbon can effectively remove heavy metals like lead, mercury, cadmium, and copper from drinking water. These toxic metals can have severe health implications, and the adsorption process helps protect consumers from potential harm. Activated Carbon Regeneration As activated carbon adsorbs contaminants, its pores gradually become filled, reducing its efficiency. However, the activated carbon can be regenerated through a process called thermal reactivation or chemical reactivation, restoring its adsorption capacity and extending its useful life.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Limitations of Activated Carbon While activated carbon is an excellent tool for drinking water treatment, it does have limitations. It may not effectively remove certain contaminants, such as dissolved inorganic substances like salts, minerals, and nitrates. Additionally, some contaminants, like pesticides, can be challenging to remove completely if their concentration in the water is high. Combination with Other Treatment Methods Activated carbon is often used in combination with other water treatment processes, such as coagulation, flocculation, sedimentation, and filtration, to achieve optimal water purification results. This combination approach ensures a comprehensive removal of various contaminants, providing safe and high-quality drinking water.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Importance of Regular Maintenance To maintain the efficiency of activated carbon filters, regular maintenance is crucial. Replacing or regenerating exhausted activated carbon and monitoring the filtration system helps ensure consistent and effective water treatment. In conclusion, activated carbon is an indispensable component of modern drinking water treatment processes. Its exceptional adsorption capabilities make it a versatile tool for removing a wide range of contaminants, including organic compounds, chlorine, disinfection by-products, heavy metals, taste, and odor. However, it's important to recognize its limitations and the need for proper maintenance. By understanding the science behind activated carbon's functionality, we can appreciate its role in providing safe and clean drinking water to millions of people worldwide.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in Activated carbon, also known as activated charcoal or activated coal, is a highly porous form of carbon with a large surface area that makes it effective in adsorbing various substances. The term "activated" refers to the process of creating a highly porous structure that enhances its adsorption properties. This remarkable material has found diverse applications in various industries due to its unique ability to purify, filter, and remove impurities from different substances. The production of activated carbon starts with a source material, which is typically derived from carbon-rich materials such as wood, coconut shells, coal, peat, or lignite. These raw materials are processed through different methods to create a highly porous structure. The two main activation methods are chemical activation and physical activation.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in In chemical activation, the raw material is impregnated with a chemical agent, typically an acid or an alkali, and then exposed to high temperatures. The chemicals react with the carbon, creating a network of pores and increasing its surface area. Physical activation involves exposing the raw material to high temperatures in the presence of a gas, like carbon dioxide or steam. This process removes impurities and volatiles, creating a porous structure. The resulting activated carbon possesses a vast surface area, often exceeding 1000 square meters per gram, giving it a tremendous adsorption capacity. The adsorption occurs through the phenomenon of Van der Waals forces, which allow activated carbon to attract and retain various molecules, ions, and particles from gases, liquids, and even solutions.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in One of the most significant applications of activated carbon is in water purification and treatment. It can effectively remove organic compounds, pollutants, and undesirable taste and odor from water. In the pharmaceutical and medical industries, activated carbon is utilized to treat poisoning and drug overdoses. It acts as an adsorbent to trap harmful substances in the gastrointestinal tract, preventing their absorption into the bloodstream. Activated carbon is also extensively used in air and gas purification. It can remove volatile organic compounds (VOCs), noxious gases, and unpleasant odors from the air. In industrial settings, activated carbon plays a vital role in controlling emissions and reducing air pollution.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in In the food and beverage industry, activated carbon is used to decolorize, deodorize, and remove impurities from edible oils, alcoholic beverages, and sugar solutions. It is also employed in the production of sugar and sweeteners to purify the sugar syrup. Moreover, activated carbon finds applications in gold and precious metal recovery, where it selectively adsorbs gold ions from cyanide solutions. It is an essential component in gas masks and respirators, offering protection against harmful chemicals and pollutants. Activated carbon is used in various environmental cleanup activities, such as soil remediation, where it can adsorb organic contaminants, preventing their spread to groundwater. Additionally, it is employed in the automotive industry in the form of activated carbon filters to capture and control hydrocarbon emissions from vehicles.
WELL INTERNATIONAL | TAMILNADU | INDIA | https://wellinternational.in While activated carbon has numerous beneficial applications, it has some limitations too. Over time, its adsorption capacity can become saturated, reducing its effectiveness. Regular reactivation and regeneration are essential to restore its adsorption capability. In conclusion, activated carbon is a versatile and valuable material with a broad range of applications. Its exceptional adsorption properties, large surface area, and ability to remove contaminants from various substances make it an indispensable tool in various industries, contributing to cleaner water, air, and a healthier environment.