Kelin has focused on the production and sales of activated carbon for decades. We are familiar with the application and common sense of activated carbon.
Honeycomb activated carbon is a structured form of activated carbon manufactured into a monolithic block with numerous parallel, small square or circular channels. It is widely used in industrial exhaust gas treatment and air purification systems. The honeycomb structure significantly reduces resistance to airflow while providing a large geometric surface area and good mass transfer efficiency.
In gold mining, hydrometallurgy and precious metal recovery, coconut shell activated carbon enables efficient gold adsorption, high gold loading and low attrition loss. Its ultra-high hardness and developed microporous structure ensure selective trapping of gold cyanide complexes, greatly improving gold recovery rate and production efficiency.
In industrial exhaust, spray booth, and flue gas treatment, columnar activated carbon enables simultaneous VOCs adsorption, odor removal, and harmful gas purification. Its high hardness and developed pore structure ensure efficient trapping of volatile organics and peculiar smell molecules, greatly optimizing air discharge standard and purification system stability.
In dyeing, textile, and chemical wastewater treatment, powder activated carbon enables simultaneous decolorization, odor removal, and COD reduction. Its high iodine value and low ash content ensure rapid adsorption of dye molecules and refractory organics, significantly improving effluent quality and biotreatment stability.
Ash content is one of the key indicators for evaluating the quality of coal-based granular activated carbon. Understanding how ash content affects adsorption performance, pressure drop, and operating costs allows for a more scientific selection of suitable products.
Columnar activated carbon is high efficiency adsorbent for industrial flue gas desulfurization and denitrification. It effectively removes SO2 and NOx, low ash, high strength, good regeneration performance for dry flue gas treatment.
With controllable quality and stable performance, coconut shell activated carbon excels in the purification of residual chlorine, odors, and pigments. It is suitable for a wide range of water purification scenarios and helps reduce operation and maintenance costs.
Waste incineration is one of the methods for disposing of municipal solid waste. Harmful gases are generated during the incineration process. Virgin activated carbon is utilized during this process to adsorb the resulting toxic gases and heavy metals.
Ultrapure water is produced through a multi-stage purification process designed to remove the vast majority of impurities—including ions, microorganisms, and other contaminants—from water. Its purity level far exceeds that of ordinary drinking water, such as commercially bottled mineral water or tap water, making it suitable for use in fields such as laboratory analysis, the electronics industry, and pharmaceutical manufacturing.
Activated carbon is an adsorbent material widely utilized in fields such as water treatment, air purification, and desulfurization and denitrification. Its adsorption mechanism primarily relies on its highly developed porous structure and large specific surface area, which enable it to effectively adsorb and remove a wide variety of organic and inorganic substances. The activated carbon adsorption process can be broadly categorized into two types: physical adsorption and chemical adsorption. Physical adsorption depends mainly on van der Waals forces acting between the activated carbon and the adsorbate, whereas chemical adsorption results from chemical reactions occurring between the chemical functional groups on the activated carbon's surface and the adsorbate.
Honeycomb activated carbon is manufactured by blending carbon powder of a specific fineness with additives (such as binders and lubricants), followed by molding and high-temperature curing. Both the choice of additives and the curing process exert a significant influence on the properties of the activated carbon. By loading catalysts—such as certain metals—onto the honeycomb activated carbon substrate, honeycomb activated carbon-based catalysts can be produced. Based on variations in loading methods and procedures, preparation techniques can be broadly categorized into five main types: polymerization-carbon coating, mixed extrusion, impregnation-deposition, ion exchange, and precipitation-deposition. Honeycomb activated carbon is characterized by excellent adsorption performance, a large geometric surface area, superior kinetic properties, and high chemical stability.
Chemically activated carbon is typically produced using cellulose-containing raw materials, such as wood, sawdust, or walnut shells. These materials are also referred to as biomass sources. In the chemical activation process, the raw material is first impregnated with compounds that induce strong dehydration and oxidation. The compounds typically used today are phosphoric acid and zinc chloride, although potassium hydroxide, sodium hydroxide, and calcium chloride have also been utilized in the past.
We focus on the produce of various types of cylindrical, granular, powder and high level impregnated activated carbon.
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