Huamei activated carbon company

Amine Purification

Why purify MDEA DEA liquid?

MDEA DEA is used in a wide range of gas treatment applications. In the petroleum industry, it is used as an absorbent for acid gases such as carbon dioxide and hydrogen sulfide. Compared to conventional desulphurization agents - MDEA DEA has good adsorption properties for H2S.
However, in the process of desulphurization with MDEA DEA solution, when the gas is absorbed, it may react chemically with methyl diethanolamine, forming bubbles and leading to foaming phenomena, which in severe cases can cause massive loss of amine solution due to fog-end entrainment, greatly reducing the purification effect and even making the unit unable to produce normally. Therefore, it is necessary to purify and treat the methyl diethanolamine properly in order to remove impurities that may cause foaming.

Role of Activated Carbon in Purifying MDEA DEA

In order to reduce the problem of foaming, the used MDEA DEA is treated through a bed of activated carbon, which allows for purification and regeneration.
The absorption mechanism of activated carbon is the adsorption of organic matter in solution through the pore structure on the surface and chemisorption. When treating methylenedioethanolamine through an activated carbon bed, the pore structure of the activated carbon is able to adsorb and remove impurities and contaminants from it, restoring the methylenedioethanolamine to a high purity.

Parameters of Activated Carbon for Amine Purification

coal granular activated carbon amine filtration

Activated Carbon for Amine Purification

8x30 mesh, 8x16 mesh
Iodine Number
Molasses Number
Abrasion Numaber
Moisture Content
Bed Density
Surface Area(N2BET metod)

Pellet Activated Carbon for MDEA Purification

3mm, 4mm
Iodine Number
Molasses Number
Abrasion Numaber
Moisture Content
Ash content
15% max
Bulk Density

Few Points in Amine Purification

1. Appropriate activated carbon selection: Select an activated carbon material with appropriate adsorption characteristics depending on the type and concentration of contaminants in the MDA.
2. Adjustment of the treatment conditions: adjustment of parameters such as flow rate, temperature, and contact time to obtain the best adsorption effect.
3. Activated carbon regeneration: As the adsorption capacity of activated carbon decreases, the activated carbon needs to be regenerated or replaced.
By using activated carbon for the purification of MDA, impurities and contaminants can be effectively removed from it, restoring MDA to a high level of purity for re-use in areas where it is needed.


What is your MOQ?
Our MOQ is 3 tons. If below 3 tons, we will also provide you with a customized solution that is best suitable for your needs.
How long is the delivery time of activated carbon?
Usually, 7-10 days will be enough. 
Can samples be provided?
Yes, we support customers’ business and can provide customers with free samples.
How to guarantee the quality of activated carbon?
We pay great attention to the quality of our products and have obtained the ISO certificate. Before the goods leave the factory, we provide a factory inspection report (COA), and support third-party inspections, such as SGS, BV.
What kind of packaging do you have? Is customization supported?
20kg/bag; 25kg/bag; 500kg/jumbo bag, etc. We also support customized packaging, or printing the customer's brand on the bag.

Contact Us

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