NO133240B - - Google Patents

Info

Publication number

NO133240B

NO133240B NO1181/72A NO118172A NO133240B NO 133240 B NO133240 B NO 133240B NO 1181/72 A NO1181/72 A NO 1181/72A NO 118172 A NO118172 A NO 118172A NO 133240 B NO133240 B NO 133240B

Authority

NO

Norway

Prior art keywords

furnace

oxidation

dry

reduction

dried

Prior art date

1972-04-07

Links

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• 238000000034 method Methods 0.000 claims abstract description 27
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 12
• 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 12
• 239000002699 waste material Substances 0.000 claims abstract description 6
• 238000009835 boiling Methods 0.000 claims abstract description 4
• 230000003647 oxidation Effects 0.000 claims description 22
• 238000007254 oxidation reaction Methods 0.000 claims description 22
• 239000007789 gas Substances 0.000 claims description 18
• 238000002485 combustion reaction Methods 0.000 claims description 15
• 239000000126 substance Substances 0.000 claims description 11
• 239000000155 melt Substances 0.000 claims description 8
• 239000003638 chemical reducing agent Substances 0.000 claims description 7
• 241001062472 Stokellia anisodon Species 0.000 claims description 6
• 239000000470 constituent Substances 0.000 claims description 6
• 230000001590 oxidative effect Effects 0.000 claims description 6
• 239000000463 material Substances 0.000 claims description 3
• 229910010272 inorganic material Inorganic materials 0.000 claims description 2
• 239000011147 inorganic material Substances 0.000 claims description 2
• 239000011368 organic material Substances 0.000 claims description 2
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 12
• 238000011084 recovery Methods 0.000 description 11
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
• CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
• 239000007787 solid Substances 0.000 description 10
• GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 9
• 229910052938 sodium sulfate Inorganic materials 0.000 description 8
• 235000011152 sodium sulphate Nutrition 0.000 description 8
• 229910052799 carbon Inorganic materials 0.000 description 6
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
• 235000019645 odor Nutrition 0.000 description 5
• 229910000029 sodium carbonate Inorganic materials 0.000 description 5
• 239000000567 combustion gas Substances 0.000 description 4
• 238000004880 explosion Methods 0.000 description 4
• 239000000203 mixture Substances 0.000 description 4
• 230000001105 regulatory effect Effects 0.000 description 4
• 229910052979 sodium sulfide Inorganic materials 0.000 description 4
• 230000015572 biosynthetic process Effects 0.000 description 3
• 239000003518 caustics Substances 0.000 description 3
• 239000011236 particulate material Substances 0.000 description 3
• 238000004064 recycling Methods 0.000 description 3
• 159000000000 sodium salts Chemical class 0.000 description 3
• 150000003464 sulfur compounds Chemical class 0.000 description 3
• RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
• 238000006243 chemical reaction Methods 0.000 description 2
• 239000000835 fiber Substances 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000002245 particle Substances 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• 239000011734 sodium Substances 0.000 description 2
• 239000002918 waste heat Substances 0.000 description 2
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 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
• BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
• 239000000292 calcium oxide Substances 0.000 description 1
• ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
• 229910002091 carbon monoxide Inorganic materials 0.000 description 1
• 239000001913 cellulose Substances 0.000 description 1
• 229920002678 cellulose Polymers 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 238000010411 cooking Methods 0.000 description 1
• 230000006378 damage Effects 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 230000007613 environmental effect Effects 0.000 description 1
• 239000000446 fuel Substances 0.000 description 1
• 239000002655 kraft paper Substances 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 239000007790 solid phase Substances 0.000 description 1
• 239000007921 spray Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 239000004575 stone Substances 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1