| Category: สารดูดซับ PSA Technology > Molecular Sieving Carbon (MSC), Carbon Molecular Sieves (CMS) > |
SHIRASAGI MSC 3K-172 Molecular Sieve for PSA-Nitrogen
.jpg)
Molecular Sieving Carbon (MSC) or Carbon Molecular Sieves (CMS) , SHIRASAGI 3K-172 for Nitrogen Generator , Biogas Upgrading to Bio-Methane (Bio-CH4)
Molecular Sieving Carbon (MSC) or Carbon Molecular Sieves (CMS) is generally defined as a carbonaceous adsorbent with uniform supermicro pores of smaller than 10 angstrom in pore diameter.
Characteristic of Molecular Sieving Carbon (MSC) or Carbon Molecular Sieves (CMS),
SHIRASAGI 3K-172 for Nitrogen Generator , Biogas Upgrading to Bio-Methane (Bio-CH4)
As shown in figure 1, the activated carbon generally used for gas and liquid adsorption has well developed micro and transitional pores of 10 to 500 angstrom in pore diameter. On the other hand, Molecular Sieving Carbon has only uniform supermicro pores of smaller than 10 angstrom in pore diameter.
Application of Molecular Sieving Carbon (MSC) or Carbon Molecular Sieves (CMS)
Molecular Sieving Carbon is widely used for gas separation. One of the most typical applications is nitrogen PSA (Pressure Swing Adsorption). Nitrogen PSA is classified into the PSA system using velocity separation, which makes use of the difference of adsorption velocity between nitrogen and oxygen. The performance of PSA is largely affected by the property of Molecular Sieving Carbon. It is because the difference of molecular sizes is very small between oxygen compound (0.28nm×0.40nm) and nitrogen compound (0.30nm×0.41nm). The effective difference for the velocity separation can be obtained only when you use Molecular Sieving Carbon which uniform supermicro pores are highly controlled in figure 1. The best Molecular Sieving Carbon is precisely controlled so as to have slightly larger pores than nitrogen compound. This well control results in that the nitrogen compound is harder to adsorb and the oxygen compound is easier to adsorb. Japan EnviroChemicals, Ltd. has high-end technologies and know-how regarding pore controls.
Standard Grades of our Molecular Sieving Carbon (MSC) or Carbon Molecular Sieve (CMS)
|
|
SHIRASAGI 3K-172 |
SHIRASAGI 3R-172 |
|
Pellet diameter |
1.8mmφ |
1.8mmφ |
|
Particle size(%) |
2.800-1.180mm |
2.360-1.000mm |
|
Half cycle time(sec) |
60 |
60 |
|
Recovery (%) |
37.0 min. |
40.5 min. |
|
Productivity (Nm3/hr.ton) |
180 - 200 |
205 - 220 |
