Carbon Molecular Sieves For Gas Separation

1
Molecular Sieve Desiccants

• Manufacturer since 1996

2
Carbon Molecular Sieves For Gas Separation
Carbon molecular sieves have helped immensely in
developing, and commercializing the pressure
swing adsorption process that is widely used for
the separation of nitrogen and other gases from
air.  They have a smaller pore size, usually
between 3 and 5 Å, and can effectively help with
the separation of gases. These materials, which
have molecular sieving properties, are used to
selectively separate the hydrogenate mixtures of
alkene hydrocarbons and many other industrial
applications.
Carbon molecular sieves are a type of porous
carbon adsorbent material with a well-defined
pore structure, and are used for a variety of
industrial applications, including but not
limited to gas separation, catalyzing, purifying
water, and controlled oxidation treatments. CMS
works by selectively adsorbing the different
gases from the air mixture onto their porous
surface. The adsorption capacity of a CMS for a
particular gas depends on the size and shape of
the gas molecule, as well as the pore structure
of the carbon molecular sieve used in the
application. For example, if you choose carbon
molecular sieves for gas separation with small
pores, it can help adsorb and separate smaller
gas molecules like hydrogen and methane.
3
Uses of carbon molecular sieves in a variety of
gas separation applications
Carbon molecular sieves, are used in many
applications for the separation of impurities and
contaminants that may be present in mixtures and
compounds. In various processes, it is very
important to use pure raw materials and products,
and thus, it is imperative to use highly porous
and efficient adsorbent materials such as
molecular sieves, that use carbon or activated
carbon, to obtain high levels of purity.
CMS can remove impurities from natural gas such
as sulphur compounds, water, heavy hydrocarbons,
and also, separate other gas impurities or
unnecessary ingredients such as methane from
other gases present in natural gas such as carbon
dioxide and nitrogen. This makes it possible to
produce high-quality CH4 that can be used as a
fuel or as a raw material for other chemical
operations.
4
Carbon molecular sieves play an important role in
the production of high purity oxygen and nitrogen
in air separation units. Carbon molecular sieves
have the ability to selectively adsorb nitrogen
to separate oxygen and nitrogen from atmospheric
air, using the low-cost Pressure Swing Adsorption
technique. After the separation of these gases is
obtained, O2 can be used in many important and
high-demand industrial processes such as
steelmaking or water treatment, while N2 is used
for a wide range of applications, including food
packaging and production or manufacturing of
electronics. Molecular sieves made of carbon can
help separate hydrogen from other gases in
syngas, which is essentially a mix of hydrogen,
carbon dioxide, and nitrogen that's made from
coal or gas, and used in various industrial
applications and processes. These separated
hydrogen gas compounds can then be utilized as a
source of clean fuel or as a raw material for
chemical operations. In refining and
petrochemical facilities, Molecular sieves
desiccants help to recover hydrogen from a
variety of gas streams, thereby increasing the
productivity of processes and decreasing the
consumption of this precious gas. Molecular
sieves can be used to remove impurities
from biogas, such as CO2 and water vapor, which
allows for the production of high-purity
biomethane, which can be used as a renewable fuel
source, thus making it an ideal choice for biogas
purification processes and techniques. 
5
Why use carbon molecular sieves for gas
separation?
Since CMS is really good at adsorbing certain
kinds of gas molecules, it can differentiate
between various gases depending on their
individual size, shape, and polarity of each gas
molecule in the mixture. This is really important
when you need to separate one gas from another in
a mixture. For example, molecular sieves of
carbon can be designed to selectively adsorb CO2
while allowing other gases to pass through,
making them valuable in carbon capture and
storage, natural gas processing, air separation,
and hydrogen production. We know that carbon
molecular sieves exhibit a high adsorption
capacity, they are highly capable of adsorbing
and separating various gases by adsorbing them
into their porous structure, and this is
beneficial in applications where the goal is not
only separation but also the storage or
concentration of specific gases. The main reason
why hydrogen separation techniques work using a
PSA system and are efficient is because of the
high absorbency levels of carbon molecular
sieves. This is because the impurity gases are
much more selective than hydrogen. The best
sorbents to use in practice are a mix of carbon
and zeolite molecular sieves. The molecular sieve
material is highly versatile and customizable,
and thus can be tailored to suit specific gas
separation requirements according to the
industrial application by adjusting their pore
size and surface properties to achieve the best
results and end products. This versatility and
flexibility allows them to be applied in a wide
range of industries, like natural gas processing
petrochemicals, hydrogen production,
environmental control, and the food
industry. Carbon molecular sieves for gas
separation can be easily and simply regenerated
by desorbing the adsorbed gases, making them
reusable, making them a sustainable and
environment-friendly molecular sieve material
that can be used across industries and
applications. 
6
Thank you

• For more information contact or visit us 91
  9879203377
• molecularsievedesiccants_at_gmail.com
• https//www.molecularsievedesiccants.com