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The Quality of Carbon Black
Not all kinds of waste can produce carbon black. Carbon black or activated carbon can only be produced from waste tires, rubber, coal, wood, straw and etc. If the material is blended such as food waste, MSW, hospital waste, E-waste and etc., it is impossible to get a high quality carbon product, but it may be used as organic fertilizer. WTE uses steam to improve the quality of carbon by-product. The quality of carbon product depends on the
following additional factors;
- Activated temperature in Stage II: If the temperature is higher, the absorption value of carbon product is higher. The processing time is shorter.
- Processing time in Stage II: If the processing time is longer, the absorption value of carbon product is higher.
The following table is only for reference. Carbon product is produced from waste tires
|
|
Traditional Pyrolysis |
WTE G2500X |
|
Treatment time |
1.5 h - 3 h |
20 min |
|
Surface area m2/g |
10 – 70 |
> 80, Depends on waste and treatment time |
|
Iodine value mg/g |
10 – 40 |
> 120, Depends on waste and treatment time |
|
oil content % |
> 5% |
no |
The Quality of Fuel Oil
The quality of fuel oil depends on the following conditions:
- Temperature of pyrolysis at Stage I process: The oil conversion rate is lower at higher temperatures.
- Condensing temperature: The condensing temperature will affect the flash point which is higher as condensing temperature is raised. The oil conversion rate is reduced at the higher flash points.
In the WTE system, the quality of fuel oil produced is controllable. The client can adjust the system on the control panel to get the most suitable fuel oil matching the market’s requirements.
The table is only for reference. The by-products come from waste tire pyrolysis.
|
|
Traditional pyrolysis |
WTE G2500X |
|
Flash Point |
> 40℃ |
30℃ ~ 80℃ adjustable |
|
Mobile point: |
4C |
-9C |
|
Dynamic viscosity: Kinematic viscosity at 40℃ |
>4.5 |
<4.22 |
|
Density: Density / 25℃ |
>0.88 |
0.86-0.88 |
|
sulfur wt% |
>3% |
<0.5% |
|
Kcal/kg |
abt.10,000 |
abt.10,000 |
|
|
Traditional Pyrolysis |
WTE G2500X |
|
Application range |
Single |
Multi-purpose, like MSW, food waste..etc |
|
Product Quality |
|
|
|
Oil Quality |
High sulfur content, bad quality |
Low sulfur content, better quality |
|
Carbon Quality |
Low quality, high oil content, low iodine absorption, low surface value, uncompleted decomposition |
High quality, no oil content, high iodine absorption rate, high surface area |
|
Per ton required to deal with energy costs |
high |
low |
|
Treatment time per ton |
About 1.5 hour - 2 hour |
About 10 - 20 min |
|
Factory space |
Large |
About 30% of traditional pyrolysis plant |
|
Security |
Explosion, security concerns |
No doubt the explosion or spontaneous combustion |
|
Environmental Impact |
Air pollution and Dioxin concern |
No waste burning, free of air-pollution and Dioxin |
| G2500X |
| G1000 |
| M500 |
| H300 |
| History |
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