The effect of the amount and adding method of activated carbon on smoke emission of cigarettes was investigated. It was found that the filtration efficiency of ternary compound filter was higher than that of binary compound filter under the influence of plasticizer when the amount of activated carbon was constant. With the increase of the amount of activated carbon, the filtration efficiency of the two kinds of composite filters increases. The effects of the amount of activated carbon on the filtration efficiency of the compounds with different volatiles are different. The effects of the amount of activated carbon on the filtration efficiency of the isomers are similar due to their close molecular weight and boiling point. When the dosage is small, the competitive adsorption is easy to occur. The adsorption amount of refractory components such as acetaldehyde is small, and the competition can be reduced by increasing the dosage. The filtration efficiency of refractory components shows an obvious upward trend with the increase of the dosage.
It was found that the contents of volatile compounds and flavor components were related to the type of cigarettes and the amount of tar. The contents of volatile compounds and flavor components were higher in the flue-cured cigarettes than in the mixed cigarettes, and higher in the high tar cigarettes than in the low tar cigarettes. The types of fragrance components in smoke of different types of cigarettes are basically the same, but there are great differences in content. The contents of furfural, furfuryl alcohol, maltol, 5-hydroxymethylfurfural, linolenic acid, methyl linolenic acid, linoleic acid, methyl palmitate and other components in flue-cured cigarettes were significantly higher than those in mixed cigarettes. This is related to the higher carbohydrate content in flue-cured cigarettes. Mixed-type cigarettes contain high content of 3-methylpentanoic acid and nitrogen heterocyclic compounds such as cotinine, ho ah, and methamine due to their formulations of burley tobacco and spice tobacco. The filtering law of activated carbon for different types of cigarettes is basically the same, that is, the filtering efficiency is related to the properties of compounds, especially with the molecular weight and boiling point of compounds. The filtration efficiency of activated carbon on flue-cured cigarettes was lower than that of mixed cigarettes.
Chapter 1 This project adopts the company's own large amount of monolayer stone which can be dried and preserved and treated with solution
Preparation method of graphite namely graphene.
Raw materials are commonly used graphite and common chemicals, easy to operate, easy to enlarge. It solves the problem that graphene materials are expensive and cannot enter the field of industrial application without large-scale production. It provides a basis for large-scale application of graphene.Using the super conductivity and large specific surface area of graphene solves the problem that the traditional activated carbon material can no longer improve the electric storage performance when used on the electrode. Complete set of equipment in addition to solve the industrial method of graphene liquid phase composite to activated carbon materials for super capacitor, and can be activated activated carbon materials at room temperature. Complete sets of equipment meet the requirements of cleaner production.
Chapter 2 The quality of graphene prepared by this project is guaranteed.
The graphene prepared by white has a high monolayer rate (up to 99%), fewer defects, and can be dried for a long time. Can be prepared into a variety of solutions to facilitate compounding with other materials. Raw material is natural graphite from a wide range of sources, is prepared by industrial methods can be scaled up production. To make the industrial application of graphene possible, promote the advancement of high-tech materials, and promote industrial development.www.chinactivecarbon.com/
Chapter 3 Graphene-modified activated carbon for supercapacitor has good technical performance:Long cycle life, graphene modified ultracapacitors mountain in its storage process does not produce chemical reaction, the energy storage process is reversible, no "memory effect", can be repeated charge and discharge hundreds of thousands of times, 500 times that of corrosion ion batteries, nickel-metal hydride and nickel cadmium battery is 1000 times, if the ultracapacitors charge-discharge 20 times a day, continuous use of up to 68 years:
High efficiency: super current discharge capacity, high energy conversion efficiency, small process loss, high current energy cycle efficiency ≥90%. wholesale activated carbon pellet
Chapter 1 This project adopts the company's own large amount of monolayer stone which can be dried and preserved and treated with solutionPreparation method of graphite namely graphene.Raw materials are commonly used graphite and common chemicals, easy to operate, easy to enlarge.
It solves the problem that graphene materials are expensive and cannot enter the field of industrial application without large-scale production.
It provides a basis for large-scale application of graphene.Using the super conductivity and large specific surface area of graphene solves the problem that the traditional activated carbon material can no longer improve the electric storage performance when used on the electrode.
Complete set of equipment in addition to solve the industrial method of graphene liquid phase composite to activated carbon materials for super capacitor, and can be activated activated carbon materials at room temperature.
Complete sets of equipment meet the requirements of cleaner production.granular activated charcoalChapter 2 The quality of graphene prepared by this project is guaranteed.The graphene prepared by white has a high monolayer rate (up to 99%), fewer defects, and can be dried for a long time.
Can be prepared into a variety of solutions to facilitate compounding with other materials.
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