Removal of carbon dioxide by aqueous amino acid salts using hollow fiber membrane contactors

Polymer-fluorinated silica composite hollow fiber membranes for the recovery of biogas dissolved in anaerobic effluent

“…It can overcome the limitations of conventional contactors, such as flooding, foaming and high operating cost [7]. The absorption in which the targeted gas is transported from gas phase to liquid sorbent through membrane has been the most popular application for membrane contactor [8][9][10][11][12]. It can also be used in gas desorption application such as, the regeneration of chemical absorbent [13][14][15].…”

Experimental and numerical investigation binary mixture mass transfer in a gas – Liquid membrane contactor

“…• For PCC, which is a promising carbon mitigation process since it can easily be implemented to existing power plants to remove CO 2 at a concentration 4-15% in the gas stream [12], chemical absorption is preferred over physical absorption by the use of amine, amino-acids or promoted carbonate solutions [2,3,13,14]. The high affinity of these reactants with CO2 allows to selectively react with CO2 and reduce the size of the equipment.…”

Development of low mass-transfer-resistance fluorinated TiO 2 -SiO 2 /PVDF composite hollow fiber membrane used for biogas upgrading in gas-liquid membrane contactor

“…It could be explained by the higher surface tension of sodium taurinate as well as its lower non-volatile property. This leads to a reduced tendency for pore intrusion, and better long-term performance was achieved compared to the MEA absorbent [48]. The presence of a highly hydrophobic and chemically robust fTiO2-SiO2 top layer effectively prevents the PVDF substrate from corrosion in MEA and sodium taurinate solution, and thus ensuring relatively stable CO2 flux during long-term GLMC operation.…”