DEU0002495MA - - Google Patents

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Publication number

DEU0002495MA

DEU0002495MA DEU0002495MA DE U0002495M A DEU0002495M A DE U0002495MA DE U0002495M A DEU0002495M A DE U0002495MA

Authority

DE

Germany

Prior art keywords

solution

fiber

value

ions

aqueous solution

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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• 239000000835 fiber Substances 0.000 claims description 10
• 239000000243 solution Substances 0.000 claims description 6
• 239000007864 aqueous solution Substances 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 5
• 239000002253 acid Substances 0.000 claims description 4
• 150000002500 ions Chemical class 0.000 claims description 4
• 150000003839 salts Chemical class 0.000 claims description 3
• 238000011282 treatment Methods 0.000 claims description 3
• DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 2
• 238000004061 bleaching Methods 0.000 claims description 2
• 238000009835 boiling Methods 0.000 claims description 2
• 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 2
• 238000005406 washing Methods 0.000 claims 2
• 229920002239 polyacrylonitrile Polymers 0.000 description 3
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
• MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
• XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
• 229910001919 chlorite Inorganic materials 0.000 description 1
• 229910052619 chlorite group Inorganic materials 0.000 description 1
• QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000012286 potassium permanganate Substances 0.000 description 1
• 239000011593 sulfur Substances 0.000 description 1
• 229910052717 sulfur Inorganic materials 0.000 description 1