NO117827B - - Google Patents

Info

Publication number

NO117827B

NO117827B NO15952865A NO15952865A NO117827B NO 117827 B NO117827 B NO 117827B NO 15952865 A NO15952865 A NO 15952865A NO 15952865 A NO15952865 A NO 15952865A NO 117827 B NO117827 B NO 117827B

Authority

NO

Norway

Prior art keywords

sulfur

evaporation

polysulphide

sulphide

black liquor

Prior art date

1964-08-31

Links

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• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 39
• 229910052717 sulfur Inorganic materials 0.000 claims description 27
• 239000011593 sulfur Substances 0.000 claims description 27
• 238000001704 evaporation Methods 0.000 claims description 20
• 230000008020 evaporation Effects 0.000 claims description 19
• 229920001021 polysulfide Polymers 0.000 claims description 17
• RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 14
• 239000007788 liquid Substances 0.000 claims description 12
• 238000000034 method Methods 0.000 claims description 12
• 238000010411 cooking Methods 0.000 claims description 10
• UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
• RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
• 239000005864 Sulphur Substances 0.000 claims description 5
• 230000029087 digestion Effects 0.000 claims description 5
• 229920002678 cellulose Polymers 0.000 claims description 4
• 239000001913 cellulose Substances 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 4
• 230000003647 oxidation Effects 0.000 claims description 4
• 238000007254 oxidation reaction Methods 0.000 claims description 4
• 239000002699 waste material Substances 0.000 claims description 3
• 238000011084 recovery Methods 0.000 claims 1
• 239000007789 gas Substances 0.000 description 7
• 239000000243 solution Substances 0.000 description 6
• 239000000126 substance Substances 0.000 description 6
• 230000002745 absorbent Effects 0.000 description 4
• 239000002250 absorbent Substances 0.000 description 4
• 239000005077 polysulfide Substances 0.000 description 4
• 150000008117 polysulfides Polymers 0.000 description 4
• 229910021653 sulphate ion Inorganic materials 0.000 description 4
• HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 3
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
• 239000003513 alkali Substances 0.000 description 3
• 230000008901 benefit Effects 0.000 description 3
• 238000009835 boiling Methods 0.000 description 3
• 238000002485 combustion reaction Methods 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 3
• 239000000155 melt Substances 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
• UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• 229910002091 carbon monoxide Inorganic materials 0.000 description 2
• 238000004064 recycling Methods 0.000 description 2
• 101100348341 Caenorhabditis elegans gas-1 gene Proteins 0.000 description 1
• BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
• 101100447658 Mus musculus Gas1 gene Proteins 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 239000002585 base Substances 0.000 description 1
• 229910001570 bauxite Inorganic materials 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 238000007872 degassing Methods 0.000 description 1
• 238000003795 desorption Methods 0.000 description 1
• ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000002474 experimental method Methods 0.000 description 1
• 239000003546 flue gas Substances 0.000 description 1
• 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
• 229920005610 lignin Polymers 0.000 description 1
• 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
• 235000015497 potassium bicarbonate Nutrition 0.000 description 1
• 239000011736 potassium bicarbonate Substances 0.000 description 1
• TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
• 238000001556 precipitation Methods 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 239000011541 reaction mixture Substances 0.000 description 1
• 230000001172 regenerating effect Effects 0.000 description 1
• 230000008929 regeneration Effects 0.000 description 1
• 238000011069 regeneration method Methods 0.000 description 1
• 239000011734 sodium Substances 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
• 235000017557 sodium bicarbonate Nutrition 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• 239000002023 wood Substances 0.000 description 1