Click image to view original image
In recent years, more and more activated carbon are used in precious metals extraction process, preferred type of activated carbon is coconut shell activated carbon. Next I will lead you to Learn more about coconut shell activated carbon as Mingyang activated carbon for the extraction of precious metals.
No.1 Definition of Gold extraction of activated carbon
Nut shell activated carbon is an excellent adsorbent, currently there are two kinds Nut shell activated carbon for the gold extraction : apricot shell activated carbon and coconut shell activated carbon.Coconut shell activated carbon is better than apricot activated carbon, because coconut shell’s adsorption capacity is better than Apricot shell , the fundamental reason is that coconut shells Gold extraction of activated carbon can absorb more steam to make more holes in the activation process, more porous, the ability to adsorb also increased; and apricot shell because of its own Skin thinner, determines that they can not adsorb more steam, compared with the adsorption capacity of Mingyang Coconut activated carbon effect is not good.
Coconut shells Gold extraction of activated carbon is is based on high-quality coconut shell as raw material, by drying, crushing, carbonation, activation, catalysis and other production processes refined.The appearance is black amorphous particles,it has two kinds as granular and columnar.The advantages are that pore structure developed, adsorption performance, high strength, easy regeneration, economic and durable.
No.2 Technical indicators of Gold extraction of activated carbon
How to detect indicators of activated carbon adsorption capacity? On coconut shells Gold extraction of activated carbon, I summed up the following aspects:
| Project | test data | Project | test data |
| Particle size | 0.4-3mm | true specific gravity | 2-2.2g/cm3 |
| Adsorption rate of benzene powder | ≥450mg/g | Bulk specific gravity | 0.35-0.55g/cm3 |
| Intensity | ≥80-95% | Total pore volume | 0.7-1cm3/g |
| Iodine value | 700-1100mg/g | specific surface area | 590-1500m2/g |
| Methylene blue value | 100-150mg/g | PH value | 8-10 |
| Semi-dechlorination value | ≤5cm | Ash | ≤8-12% |
| Water | ≤3% | specific heat | -1.00J/g.℃ |
No.3 Adsorption of Gold extraction of activated carbon
Coconut shells from the raw materials directly from the carbonization of coconut shells has low iodine value and adsorption capacity is poor, the basic proportion is more than 600. After activation Coconut shell activated carbon becomes Gold extraction of activated carbon, iodine value at least turns 2-3 times and mention the effect of gold extraction significantly. Introduction of activated carbon activation method has introduced that because in the activation process by adding steam the temperature increases so that the coconut shell carbonized material begin to create holes, 10 hours later the coconut shell carbonization material itself caused many pores and then the size of screening, finally bagging molding.
No.4 Application of Gold extraction of activated carbon
Coconut shell Gold extraction of activated carbon has long life and use of full range.In addition to gold extraction there are the following uses about Coconut shell Gold extraction Extensive application of activated carbon: purification, decolorization, off the gold, Chlorine, deodorization of drinking water, purified water, wine, beverages, industrial waste water; de-mercaptans in the refining industry; solvent recovery and gas separation in the chemical industry; air purification in instrument rooms, air-conditioning rooms, basements and subsea facilities; canisters, gas masks, cigarette filters; Such as impurity removal. In general,Coconut shell Gold extraction of activated carbon adsorption efficiency and adsorption capacity is superior to other types of activated carbon, and safe, non-polluting, without any side effects,Coconut shell activated carbon development direction will be more and more.
No.5 Purchase of Gold extraction of activated carbon
Many customers questioned: how to buy high-quality activated carbon? How to judge the level of activated carbon adsorption value? Coconut shells Gold extraction of activated carbon has small pore structure, density and feels light, put the activated carbon into the water, the adsorption of water molecules when the row of air will have many very small blisters, crowded constantly floating to the surface.Coconut shells Gold extraction of activated carbon is floating in water for a longer time, with Activated carbon adsorption of solute molecules to saturation and increasing their weight,it will gradually sink into the bottom.When the activated carbon sink all into the bottom, you will see each piece of activated carbon are wrapped outside a small bubble. The coal activated carbon is generally macromolecular pore structure, the resulting bubble phase is also relatively large. As some of the coal and Coconut shells Gold extraction of activated carbon look similar, so the majority of customers should pay special attention to buy Gold extraction of activated carbon.
