JPH0232220B2 - - Google Patents

Info

Publication number

JPH0232220B2

JPH0232220B2 JP56040463A JP4046381A JPH0232220B2 JP H0232220 B2 JPH0232220 B2 JP H0232220B2 JP 56040463 A JP56040463 A JP 56040463A JP 4046381 A JP4046381 A JP 4046381A JP H0232220 B2 JPH0232220 B2 JP H0232220B2

Authority

JP

Japan

Prior art keywords

goethite

amount

alkali

added

iron

Prior art date

1981-03-23

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.)

Expired - Lifetime

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• AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims description 34
• 229910052598 goethite Inorganic materials 0.000 claims description 33
• 239000003513 alkali Substances 0.000 claims description 17
• PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 13
• 238000007254 oxidation reaction Methods 0.000 claims description 12
• 238000000034 method Methods 0.000 claims description 11
• 239000007864 aqueous solution Substances 0.000 claims description 10
• 238000010438 heat treatment Methods 0.000 claims description 10
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 10
• 238000004519 manufacturing process Methods 0.000 claims description 10
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
• 230000003647 oxidation Effects 0.000 claims description 7
• XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
• 229910052742 iron Inorganic materials 0.000 claims description 4
• -1 iron ions Chemical class 0.000 claims description 4
• MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 3
• IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 3
• 239000003054 catalyst Substances 0.000 claims description 3
• 238000006386 neutralization reaction Methods 0.000 claims description 3
• JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 3
• 229960002089 ferrous chloride Drugs 0.000 description 14
• NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 14
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
• 239000002994 raw material Substances 0.000 description 11
• 239000007858 starting material Substances 0.000 description 9
• LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 8
• 239000000725 suspension Substances 0.000 description 7
• 238000006243 chemical reaction Methods 0.000 description 6
• 239000007789 gas Substances 0.000 description 6
• 238000007792 addition Methods 0.000 description 5
• 239000000843 powder Substances 0.000 description 5
• 230000008569 process Effects 0.000 description 5
• 239000000654 additive Substances 0.000 description 4
• 239000011790 ferrous sulphate Substances 0.000 description 4
• 235000003891 ferrous sulphate Nutrition 0.000 description 4
• 235000014413 iron hydroxide Nutrition 0.000 description 4
• 229910000358 iron sulfate Inorganic materials 0.000 description 4
• 229910000359 iron(II) sulfate Inorganic materials 0.000 description 4
• SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
• NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 4
• 239000006247 magnetic powder Substances 0.000 description 4
• 230000009467 reduction Effects 0.000 description 4
• 235000010288 sodium nitrite Nutrition 0.000 description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
• 230000015572 biosynthetic process Effects 0.000 description 3
• 230000000052 comparative effect Effects 0.000 description 3
• 238000002474 experimental method Methods 0.000 description 3
• FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 3
• 239000006249 magnetic particle Substances 0.000 description 3
• 230000001590 oxidative effect Effects 0.000 description 3
• 239000002245 particle Substances 0.000 description 3
• 230000035484 reaction time Effects 0.000 description 3
• 238000004904 shortening Methods 0.000 description 3
• 238000003756 stirring Methods 0.000 description 3
• 238000003786 synthesis reaction Methods 0.000 description 3
• 239000011701 zinc Substances 0.000 description 3
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
• 230000002378 acidificating effect Effects 0.000 description 2
• 230000000996 additive effect Effects 0.000 description 2
• 230000008901 benefit Effects 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 2
• 238000001035 drying Methods 0.000 description 2
• 238000001914 filtration Methods 0.000 description 2
• 150000002505 iron Chemical class 0.000 description 2
• 239000000696 magnetic material Substances 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 239000002244 precipitate Substances 0.000 description 2
• 239000010959 steel Substances 0.000 description 2
• 229910052725 zinc Inorganic materials 0.000 description 2
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
• 238000004438 BET method Methods 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
• 238000002441 X-ray diffraction Methods 0.000 description 1
• AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 229910052783 alkali metal Inorganic materials 0.000 description 1
• 150000001340 alkali metals Chemical class 0.000 description 1
• 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
• 150000001342 alkaline earth metals Chemical class 0.000 description 1
• 150000003863 ammonium salts Chemical class 0.000 description 1
• AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
• 239000000920 calcium hydroxide Substances 0.000 description 1
• 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
• 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
• 230000003197 catalytic effect Effects 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 239000013078 crystal Substances 0.000 description 1
• 230000018044 dehydration Effects 0.000 description 1
• 238000006297 dehydration reaction Methods 0.000 description 1
• 229910001873 dinitrogen Inorganic materials 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000001493 electron microscopy Methods 0.000 description 1
• 150000004679 hydroxides Chemical class 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 230000010534 mechanism of action Effects 0.000 description 1
• 239000002923 metal particle Substances 0.000 description 1
• 230000003472 neutralizing effect Effects 0.000 description 1
• 239000007800 oxidant agent Substances 0.000 description 1
• 238000005554 pickling Methods 0.000 description 1
• 235000010289 potassium nitrite Nutrition 0.000 description 1
• 239000004304 potassium nitrite Substances 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 239000010453 quartz Substances 0.000 description 1
• 238000006722 reduction reaction Methods 0.000 description 1
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
• 239000002195 soluble material Substances 0.000 description 1
• 239000000243 solution Substances 0.000 description 1
• 238000011282 treatment Methods 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• 239000001052 yellow pigment Substances 0.000 description 1
• 229910000859 α-Fe Inorganic materials 0.000 description 1