Absorption of carbon dioxide by raw and treated dye-bath effluents

Synthesis of nesquehonite by reaction of gaseous CO2 with Mg chloride solution: Its potential role in the sequestration of carbon dioxide

“…While awaiting alternative carbon-free sources of energy, the scientific community must propose and develop carbon-capture technologies [17,18,59] necessary to mitigate the amount of carbon dioxide in the atmosphere [60][61][62], which must be reduced with some urgency in the short term. The application of the nesquehonite approach as a complementary solution to point source CO 2 -emitting plants could contribute to compliance with the Kyoto Protocol, which would help industrialized countries satisfy part of their obligations to reduce their emission of greenhouse gases.…”

“…Numerous approaches to CO 2 sequestration, including ocean, terrestrial, geological, biological and chemical options are currently being studied [1,[3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. As a substantial share of CO 2 emissions must be stored, the retention or sequestration of CO 2 in geological reservoirs is currently the option being applied (e.g., Weyburn, Canada; Sleipner, North Sea [14]).…”

The efficiency of CO2 sequestration via carbonate mineralization with simulated wastewaters of high salinity

“…Many groups are actively seeking practical ways to sequester CO 2 being produced industrially, to prevent it from worsening the present alarming situation. Those approaches based on "CO 2 mineralization" offer an attractive option for the permanent and safe storage of a solid carbonate [5][6][7][8][9][10][11][12][13][14]. Our group has recently described a carbonation process involving the reaction of gaseous CO 2 bubbling through a magnesium chloride solution; we have shown that the precipitate, a low-temperature phase called nesquehonite, of composition MgCO 3 ·3H 2 O, efficiently removed a major proportion of the CO 2 being bubbled through the reaction column [15,16].…”

The thermal behaviour and structural stability of nesquehonite, MgCO3·3H2O, evaluated by in situ laboratory parallel-beam X-ray powder diffraction: New constraints on CO2 sequestration within minerals

“…In this view, numerous approaches to CO 2 sequestration, including ocean, terrestrial, geological, biological and chemical options are currently being studied [2][3][4][5][6][7][8][9][10] and the retention or sequestration of CO 2 in geological reservoirs is currently the option being applied (e.g., Weyburn, Canada; Sleipner, North Sea [8]). …”