TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The active ingredient is alkali metal oxide, alkaline-earth metal oxide, alkali metal carbonate, alkaline-earth metal carbonate, alkali metal bicarbonate, alkaline-earth metal bicarbonate, alkali metal hydroxide, alkali-earth metal hydroxide and/or their precursor. The content of active ingredient is 5-70 parts weight in carbon dioxide absorbent composition. The support comprises alumina, hydrotalcite, silica, ceramic and/or magnesia. The hydrotalcite comprises magnesium oxide (20 wt.% or more). The content of support is 5-70 parts weight in carbon dioxide absorbent composition. The inorganic binder comprises cement containing calcium silicate or calcium aluminate, clay comprising alumina sol, silica sol or boehmite, and/or ceramic containing bentonite or kaolin. The content of inorganic binder is 5-70 parts weight in carbon dioxide absorbent composition. The metal oxide is titanium oxide, zirconium oxide, barium titanate, molybdenum oxide, nickel oxide, cobalt oxide, ferric oxide, cupric oxide, zinc oxide and/or yttria-stabilized zirconia. The content of metal oxide is 5-70 parts weight in absorbent composition. The content of solid material is 20-50 parts weight in slurry composition. The slurry composition further contains organic additive chosen from dispersing agent, antifoaming agent and organic vehicle. The dispersing agent is anion-based dispersing agent, cation-based dispersing agent, amphoteric dispersing agent and/or nonionic-type dispersing agent. The gas flow rate of air, nitrogen, helium, hydrogen, steam or reduced gas atmosphere is 60 ml/minute during manufacture of carbon dioxide absorbent. Preferred Properties: The alumina has specific surface area of 150-300 m2/g. The hydrotalcite has specific surface area of 100 m2/g or more. The magnesia has specific surface area of 20-100 m2/g. The average diameter of particles in pulverized mixture during manufacture of carbon dioxide absorbent is 3 mu m or less. The carbon dioxide absorbent has average particle size of 100-180 mu m, packing density of 0.5-2 g/cm3, particle distribution of 30-310 mu m, and carbon dioxide absorptivity of 3-17 wt.%.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The antifoaming agent is silicon, metallic soap, amide compound, polyether, polyester, polyethylene glycol, organic phosphate composition and/or alcohol. The organic vehicle is polyvinyl alcohol, polyethylene glycol and/or methylcellulose.