Activated Carbon
If you’re looking for a powerful tool to purify, deodorize, and decolorize your liquids and vapors, activated carbon might be the answer. This highly porous, dust-fine carbon is designed to increase the surface area for adsorption, making it perfect for use in a wide range of industrial applications, from water treatment to valuable metal recovery.
But that’s not all – with the rising demand for biogas treatment and hydrogen separation, industries are becoming more focused on reducing emissions from the air. Governments around the world are also taking steps to purify both air and water, leading to a growing demand for activated carbon and exciting growth opportunities for key industry players.
In fact, according to a recent report by MarkNtel Advisors, the Global Activated Carbon Market is projected to grow at a CAGR of 7.98% between 2022 and 2027. So if you’re looking for a versatile, effective way to purify your industrial applications, such as water treatment, food-grade products, cosmetology, automotive applications, industrial gas purifications, petroleum, and valuable metal recovery, especially for gold, it’s time to explore the benefits of activated carbon.
Various Applications of Activated Carbon: High-End Purification Methodology
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Activated carbon is majorly used in water purification to retain pesticides, detergents, toxins, color-producing amalgams, and compounds formed by the decomposition of algae, vegetable, or animal metabolism.
In Air Deodorization and Purification
Air deodorization and purification are facilitated to filter gasses, such as removing hydrogen sulfide from natural gas and filtering breathing air in the air-conditioning parts. Further, a specific type of AC, such as cloth, pelletized, and granular AC, is used for the intended outcome, which removes radon and odors from the recirculated air.
In Food and Beverages
It is used in food and beverages to remove unwanted by-products and enhance fragrance, taste, and purity. Further, it is broadly used in the food industry in all stages of its production, from raw materials and intermediates to final products.
Mining has benefitted in the recovery of precious metals such as gold. The adsorbent nature of AC separates carbon from the cyanide in the final stages of mining. Thus, it is a critical component in the beneficiation of gold recovery due to its capability to extract gold from the gold-cyanide complex.
Why Activated Carbon Plays a Critical Role in Waste Water Treatment?
Water is inevitable in many industrial units contaminated with pollutants due to the manufacturing process. Further, rainwater that runs off from sites or through landfills must be purified with appropriate technology that does pose any threats to humans, animals, or ecosystems. Thus, it cannot be discharged into surface water or sewage without any purification agents. Hence activated carbons are commonly facilitated technology based on the adsorption of contaminants such as micropollutants, chlorine, fluorine, or radon from drinking water or wastewater.
- It removes organic-chemical substances and colorants
- Reduce the trace substances such as chemicals or pharmaceuticals
- Massive decrease in the residual chemical oxygen demand (COD)
Thus, the effluent discharge of several contaminants played a crucial role in enhancing wastewater management. As a result, it is emerging as a full-scale urban wastewater treatment with the integration of the latest technologies. Further, the increasing awareness of environmental concerns and human threats resulting from controlling organic microcontaminants (CECs) shifted manufacturers to invest in developing technologies and expanding the capabilities of AC.
Commonly Used Types of Activated Carbons: Operations in Diverse Industries
- Granulated activated carbon has a smaller surface area due to its larger particle size than other AC. It is widely used in air treatment, water treatment, and common deodorization because of its instant diffusing capacity. Further, it is commonly used in several industries of healthcare, automotive, food & beverage for removing various contaminants & hazards from water, air & gas.
- Pelletized AC is typically used in gas phase applications because of its low dust content, good mechanical strength, and low-pressure drop. Pellets in the AC produce a tough, cylindrical particle that adsorbs dust, chlorine, taste, and odor from different materials that need purification.
- Powered AC, typically added directly in the raw water intakes, gravity filters, and clarifiers, is highly demanded. The large surface-to-volume ratio brings higher efficiency in absorbing pollutants. In addition, it involves benefits such as easy usage, cost-effectiveness, minimal waste sludge, and lower operational costs that propel the demand for this type.
- Catalytic AC is mainly used to remove chloramines and hydrogen sulfide from drinking water. It is also called surface-modified AC, which alters the surface structure that enhances the chemical reactions. Further, it is an economical solution to absorb hydrogen sulfide and convert it into sulfuric acid and sulfurous acid.
At a Glance,
Thus, activated carbon acts as a super adsorbent and sustainable material and offers a practical solution in many water treatments, food & beverages, removing industrial pollutants, etc., Due to its attractive properties, it serves as a potential solution for extracting heavy metals and pharmaceutical effluents and storing various gases such as carbon dioxide, methane, and hydrogen for other utilities. However, its application is further explored in multiple fields, such as antimicrobial and photocatalysis, with scientific testing at a lab scale and applicability in consolidated technologies.
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