What is Carbon Molecular Sieve (CMS)?
Carbon Molecular Sieve is a specialized adsorbent made from carbon-rich raw materials through a high-temperature activation process. It features a uniform microporous structure, optimized specifically for use in Pressure Swing Adsorption (PSA) systems to separate nitrogen from air. Oxygen molecules are adsorbed more rapidly by CMS due to their smaller kinetic diameter, allowing nitrogen to pass through and be collected efficiently.
Carbon Molecular Sieve
Main Features and Functions
----Selective adsorption: Effectively separates oxygen and nitrogen based on molecular size differences.
----Fast adsorption-desorption cycles: Enables high nitrogen yields with low energy consumption.
----High mechanical strength: Ensures long service life and durability under PSA cycling.
----Easy regeneration: Maintains stable performance over continuous use.
----Low dust and high purity: Enhances equipment protection and gas quality.
Carbon Molecular Sieve (CMS) - Technical Highlights:
1----Tailored pore size distribution: approximately 0.3 to 1 nanometers, optimized for molecular size differentiation
2----Working principle: utilizes the faster adsorption rate of oxygen over nitrogen for effective separation
3----Operating conditions: designed for ambient temperature and PSA pressure cycles
4----Wide application adaptability: compatible with various nitrogen generators and PSA systems
Appearance |
black color,strip type |
Diameter |
0.95mm,1.1-1.3mm,1.3-1.5mm 1.5-1.8mm,1.8-2.0mm |
crushing strength(N/PC)(test temp≤20ºC) |
≥50 |
bulk density(G/L)(test temp≤20ºC) |
630-680 |
adsorption time(S)(test temp≤20ºC) |
2×60 |
Type |
adsorption pressure(MPa) |
output of the nitrogen concentration(%) |
Nitrogen production rate (M³ /MT.HT) |
Air-nitrogen ratio(%) |
CMS-220 |
0.75-0.8 |
95 |
420 |
2.0 |
96 |
380 |
2.1 |
97 |
340 |
2.2 |
98 |
300 |
2.3 |
99 |
260 |
2.4 |
99.5 |
220 |
2.6 |
99.9 |
145 |
3.7 |
99.99 |
100 |
4.8 |
99.999 |
55 |
6.8 |
CMS-240 |
0.75-0.8 |
95 |
440 |
1.8 |
96 |
400 |
2.0 |
97 |
360 |
2.1 |
98 |
320 |
2.2 |
99 |
280 |
2.3 |
99.5 |
240 |
2.5 |
99.9 |
160 |
3.5 |
99.99 |
110 |
4.6 |
99.999 |
65 |
6.6 |
CMS-260 |
0.75-0.8 |
95 |
470 |
1.7 |
96 |
430 |
1.9 |
97 |
390 |
2.0 |
98 |
350 |
2.1 |
99 |
320 |
2.2 |
99.5 |
260 |
2.3 |
99.9 |
175 |
3.4 |
99.99 |
120 |
4.6 |
99.999 |
75 |
6.5 |
CMS-280 |
0.75-0.8 |
95 |
500 |
1.6 |
96 |
455 |
1.8 |
97 |
410 |
2.0 |
98 |
365 |
2.1 |
99 |
335 |
2.2 |
99.5 |
280 |
2.3 |
99.9 |
190 |
3.4 |
99.99 |
135 |
4.5 |
99.999 |
90 |
6.4 |
Carbon Molecular Sieve
Typical Applications
----Chemical industry: Inert gas generation for reaction protection.
----Food and beverage: Nitrogen flushing and MAP (Modified Atmosphere Packaging).
----Electronics: Nitrogen atmosphere for semiconductor and PCB manufacturing.
----Medical and pharmaceutical: Nitrogen supply for packaging, formulation, and storage.
----Metallurgy and heat treatment: Protective atmospheres in annealing and sintering.
Suitable Equipment:
----Industrial nitrogen generators
----Small to large-scale PSA systems
----Nitrogen storage units
----Automated nitrogen filling and packaging lines
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