JPH08109018A - 二水石膏の製造方法 - Google Patents
二水石膏の製造方法Info
- Publication number
- JPH08109018A JPH08109018A JP6266339A JP26633994A JPH08109018A JP H08109018 A JPH08109018 A JP H08109018A JP 6266339 A JP6266339 A JP 6266339A JP 26633994 A JP26633994 A JP 26633994A JP H08109018 A JPH08109018 A JP H08109018A
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- slurry
- acid
- concentration
- sulfosuccinic acid
- 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.)
- Pending
Links
- 239000010440 gypsum Substances 0.000 title claims abstract description 75
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 150000004683 dihydrates Chemical class 0.000 title claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 26
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 235000019738 Limestone Nutrition 0.000 claims description 21
- 239000006028 limestone Substances 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 17
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract description 8
- 239000000706 filtrate Substances 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 5
- -1 aliphatic saturated dicarboxylic acid Chemical class 0.000 abstract description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract description 4
- 235000019341 magnesium sulphate Nutrition 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 4
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 4
- 239000004571 lime Substances 0.000 abstract 4
- 238000007599 discharging Methods 0.000 abstract 1
- 239000008400 supply water Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 18
- 238000002474 experimental method Methods 0.000 description 13
- 239000003607 modifier Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 150000001735 carboxylic acids Chemical class 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6266339A JPH08109018A (ja) | 1994-10-05 | 1994-10-05 | 二水石膏の製造方法 |
| TW084104767A TW293809B (enExample) | 1994-10-05 | 1995-05-15 | |
| KR1019950013372A KR0147927B1 (ko) | 1994-10-05 | 1995-05-26 | 이수석고의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6266339A JPH08109018A (ja) | 1994-10-05 | 1994-10-05 | 二水石膏の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08109018A true JPH08109018A (ja) | 1996-04-30 |
Family
ID=17429569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6266339A Pending JPH08109018A (ja) | 1994-10-05 | 1994-10-05 | 二水石膏の製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH08109018A (enExample) |
| KR (1) | KR0147927B1 (enExample) |
| TW (1) | TW293809B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180507A (zh) * | 2011-03-24 | 2011-09-14 | 昆明安雅达建材科技有限公司 | 高晶石膏的制备方法 |
| CN105858705A (zh) * | 2016-03-30 | 2016-08-17 | 东南大学 | 一种用废硫酸溶液制备低游离水含量二水石膏的方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100280264B1 (ko) * | 1996-12-20 | 2001-03-02 | 이구택 | 탈탄슬러지를 이용한 고순도 석고 제조방법 |
| KR100863933B1 (ko) * | 2002-04-08 | 2008-10-16 | 주식회사 코오롱 | 황산칼슘염 이수화물 및 그의 제조방법 |
-
1994
- 1994-10-05 JP JP6266339A patent/JPH08109018A/ja active Pending
-
1995
- 1995-05-15 TW TW084104767A patent/TW293809B/zh active
- 1995-05-26 KR KR1019950013372A patent/KR0147927B1/ko not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180507A (zh) * | 2011-03-24 | 2011-09-14 | 昆明安雅达建材科技有限公司 | 高晶石膏的制备方法 |
| CN105858705A (zh) * | 2016-03-30 | 2016-08-17 | 东南大学 | 一种用废硫酸溶液制备低游离水含量二水石膏的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR0147927B1 (ko) | 1998-08-17 |
| KR960013993A (ko) | 1996-05-22 |
| TW293809B (enExample) | 1996-12-21 |
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