Verified Company
Ganzhou Eastern Dragon Household Articles Factory
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315mg/g methylene blue water absorption agents
Why you can trust us?
1. Eastern Dragon Industry is a leading supplier of activated carbons (AC for short) in China. We are one of the largest global AC manufactures and distributors, supply high quality throughout the world at competitive price.Our products including Wood AC, Coal AC, Coconut AC.
2. Management Certification:
Food Sanitation License / Medicine Production License
ISO / SGS / MSDS / Halal Certificate
Permit Document Related To the Safety & Sanitation of Drinking-water
Pharmaceutical Excipients application approval document
3.Free samples,you can test the quality youself.
4.Specification
Item | Phosphoric acid method wood based activated carbon |
Grade | AAA (food grade) |
Raw material | China fir sawdust |
Methylene blue discolorations | 20ml/0.1g |
Caramel decoloring | 140% |
Specific surface area | 1350m2/g |
Iron content | 200ppm |
Ash content | 3% |
PH Value | 3-5 |
Moisture content | 10% |
Chloride | ≤0.05% |
Mesh size | 200mesh or 325mesh |
Package | 20kg/bag 20FCL:10T 40FCT 20T |
Supply ability | 300T/Month |
Delivery | 15days |
Port | Shanghai .Guangzhou |
Note: product specifications could adjust in your request, OEM available.
5.Production process
1. Choosing the wood chips or sawdust from China fir as raw material
2. Sieving the raw material from wood sawdust to be sure the material is without
pollution from the Purifying Device which is imported from Switzerland
3. Drying the sawdust in the Drying Equipment to control the moisture be around 10
4. Adding the food grade Phosphoric acid solution and catalyst to the dried sawdust
to soak for 30 mins
5. Carbonized the wood sawdust which is with phosphoric acid in the rotary under
high temperature, during the activation, the carbon molecular structure is changing
so that the whole space and the specific surface area will be bigger
6. Testing the semi product (testing the product every 30 minutes, and 48 times a day)
7. Acid washing (washing the phosphoric acid and impurities to be divided from the
carbon
8. Water washing (3 times by boiling water, 2 times by cooling water
9. Testing the semi product (testing the product every 30 minutes, and 48 times a day)
10. Drying and crushing (water and particles control)
11. Packing the product.
6.Quality test
Coconut shell based AC
Gold Mining, water/air treatment
Model | ED-CSAC |
Material category | Coconut shell |
Iodine(mg/g) | ≥800-1200 |
Mesh | 6*12/8*30(pass 90%) |
Attrition lost(%) | 1-2 |
Bulk density (g/cm3) | 0.35-0.55 |
Hardness(%) | 95-98 |
CTC adsorption(%) | ≥60 |
Specific surface area (g/m2) | 1000 |
Moisture(%) | ≤10 |
Ash(%) | ≤3 |
PH | 4-9 |
Coal based AC
Welcome visit Eastern Dragon,Any questions or comments please contact us freely.
Free hotel will be provide