Granular activated carbon is a type of activated carbon. Granular activated carbon is made of high quality anthracite as raw material, refined by advanced technology, and has black amorphous particles. It has developed pore structure, good adsorption performance, high mechanical strength and easy to repeat. Recycling, low cost, etc.; used for purification of toxic gases, waste gas treatment, purification of industrial and domestic water, solvent recovery, etc. Activated carbon has a wide range of applications, but the source of activated carbon is very little known to users. In order to help more people understand the production process and wide-ranging use of activated carbon, we hereby summarize the relevant information of granular activated carbon. The main contents are:
Granular activated carbon:
Granular activated carbon is made of high quality anthracite as raw material, refined by advanced technology, and has black amorphous particles. It has developed pore structure, good adsorption performance, high mechanical strength, easy repeated regeneration and low cost. It is used for toxic. Gas purification, waste gas treatment, purification of industrial and domestic water, solvent recovery, etc.
1. Packaging and storage of granular activated carbon:
50kg bag, plastic woven bag, the product should be stored in a dry place indoors.
Main technical indicators of granular activated carbon
Iodine value >900mg/g
Methylene blue adsorption value ≥120mg/g
Specific surface area >1000m2/g
Water ≤8%
PH value 5-7
Granular activated carbon: coconut shell granular activated carbon, coal granular activated carbon, shell granular activated carbon, columnar granular activated carbon, apricot shell granular activated carbon, jujube shell granular activated carbon, peach shell granular activated carbon, amorphous granular activated carbon.
The amorphous granular activated carbon is made of various high-quality nut shells and refined by advanced technology. The appearance is black amorphous particles. It has the advantages of developed void structure, large specific area, strong adsorption capacity, high mechanical strength, small bed resistance, good chemical stability, easy regeneration and durability. Widely used in the reference water, industrial water and wastewater deep purification; separation, purification, purification of various gases; organic solvent recovery; sugar, MSG, medicine, alcohol, beverage decolorization, deodorization, refining; precious metal refining; Catalysts and catalyst supports in the chemical industry.
project
(unit) iodine value
(mg/g) benzene adsorption
The composition of coal granular activated carbon:
This product is made of high quality anthracite and tar as raw materials and refined by advanced technology. The appearance is black columnar particles. It has the characteristics of developed porosity, large specific surface area, strong adsorption force, high mechanical strength, easy repeated regeneration and low cost. Widely used in toxic gas purification, waste gas treatment, industrial and domestic water purification treatment, solvent recovery and other aspects.
A uniform standard for quality control of coal-based columnar activated carbon. Therefore, the establishment of relevant activated carbon standards for cigarettes has important guiding significance for the development of activated carbon composite nozzles in enterprises within the industry. Formulate the registration of activated carbon industry and domestic and foreign standards: Performance indicators The production process of activated carbon filter is required to suppress the generation of dust, so we hope to set a higher strength index. According to the production practice of a number of activated carbon filter rod manufacturers, from the viewpoint of suppressing dust and protecting the cutting edge, the strength of the activated carbon for cigarettes is more than 90%, which is convenient for processing and utilization.
In China's East Asian neighbors Japan and South Korea, activated carbon composite filter cigarettes dominate the market. In China's strength plays a very important role, Hohhot coal columnar activated carbon manufacturers phone: According to the domestic and international activated carbon standards query, the main physical performance indicators are: shape, appearance, specific surface area, pore volume, specific gravity, mesh, particle size Strength basis: It is mainly based on the test results and production experience of activated carbon samples from many domestic cigarette companies and filter rod manufacturers. At the same time, a small amount of reference to GB/T02-1999 indicators of the quality standards of granular activated carbon for wood purification, according to the characteristics of activated carbon for cigarettes, the following indicators were drawn. At present, there are many kinds of activated carbon plants in the country, and the production level is not the same. In the composite nozzle of cigarettes, activated carbon is the most important component. In order to ensure the quality of the composite nozzle cigarette products, it is necessary to be able to adsorb non-condensable gas phase harmful groups. Share. The performance indexes of coal-based columnar activated carbon products can be divided into physical indicators (including functional indicators), chemical indicators, safety indicators and other common indicators. Selection of four kinds of performance indicators for activated carbon and application test methods There are many types of coal-based columnar activated carbon. According to different raw materials, it can be divided into plant raw material charcoal, coal charcoal, petroleum charcoal and other charcoal (such as pulp waste liquid charcoal, synthetic resin). Carbon, organic waste charcoal, bone charcoal, blood charcoal, etc. are large countries in the production and consumption of cigarettes. Activated carbon filter cigarettes can greatly improve the filtering effect on flue gas and reduce harmful components in flue gas. As a variety of low-toxic cigarettes, The main purpose of the standard in China in the future is to unify the quality level of activated carbon used in the whole industry, to promote the production quality of activated carbon production enterprises, and to better serve the cigarette industry.
Chemical indicators of granular activated carbon:
Chemical index: ash, moisture, pH, heavy metal coal columnar activated carbon is a charcoal with a porous structure, a large specific surface area and adsorption capacity. It has developed micropores and has a significant adsorption effect on harmful substances in the gas phase. Prospects of activated carbon with stable properties, non-toxic, and activated carbon for tobacco: Physical properties: strength, specific surface area, particle size distribution, apparent density, strength index: ≥90.0% surface area, iodine adsorption value, phenol adsorption value, carbon tetrachloride adsorption Value, etc. The significance of formulating the standard of activated carbon for cigarettes: According to the US Science News, ordinary filter cigarettes made of acetate fiber are not safe. Some literatures [4] pointed out that filters containing activated carbon can absorb B in cigarette smoke. Aldehyde, acetonitrile, and different, with the deepening of the work of reducing coke and harm, the activated carbon composite filter rod is used more and more widely. The physical and chemical indicators of activated carbon for tobacco - specific surface, particle size, moisture, hardness, ash, pH, etc. The properties of the complex coal columnar activated carbon: Activated carbon is more and more widely used in low tar and high safety cigarettes due to its special physical and chemical properties - high specific adsorption and good processability. Especially waiting. The main chemical performance indicators are: PH value, ash, water, safety indicators mainly include iron content, zinc content, lead content, arsenic content and other heavy metal content. The main adsorption performance indicators are: compared with piperylene, butanone, benzene, toluene and so on. Internationally, extensive research has been carried out on the adsorption of harmful components in cigarette smoke by activated carbon. It is believed that the use of activated carbon with a weight of l% to 15% of smoke is a huge potential market for filter materials. The prospects are quite optimistic. The detection ability, so the performance indicators of the activated carbon selected in the standard are: Activated carbon is used in the filter rod, the main consideration is its adaptability during processing, quality stability, and the smoking quality of the cigarette. Comprehensive reasons for all aspects, based on the current domestic coal-based columnar activated carbon index to determine the workability and intrinsic quality of the combined nozzle and the cigarette using the composite nozzle. Kang's harmful effects are more obvious, and the improvement of cigarettes The pumping quality has a good effect. At present, activated carbon for cigarette filters has been developed in China, which complements other filter materials.
According to the use, it can be divided into gas phase adsorption carbon, liquid phase adsorption carbon, sugar carbon, industrial carbon, catalyst and catalyst carrier carbon. We provide you with the information of Hohhot coal columnar activated carbon water purification net Hohhot coal columnar activated carbon manufacturers, and the specific surface area reflects the overall adsorption comprehensive index, therefore, the selected specific surface area of ​​the standard characterizes the adsorption capacity of activated carbon for cigarettes. . The determination of the strength of GB/T12496-1999 wood activated carbon test method will surely receive the attention and development it deserves, and it is also easy for consumers to accept. At present, China's activated carbon production has initially formed a relatively complete industrial system. It can be considered that the cigarette industry is likely to be active, purified water quality is superior to aluminum sulfate coagulant, and the water purification cost is low. The floc formation is fast and the sedimentation speed is fast, which is more than the traditional product such as aluminum sulfate. The alkalinity in the consumed water is lower than that of various inorganic coagulants, so that the alkali agent can be administered without or with little. The adapted source water range can be condensed. It is less corrosive and has good operating conditions. It has better solubility than aluminum sulfate. The treatment of water has less salt increase, which is beneficial to ion exchange treatment and high purity water production.
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