JPH0446886B2 - - Google Patents
Info
- Publication number
- JPH0446886B2 JPH0446886B2 JP17229286A JP17229286A JPH0446886B2 JP H0446886 B2 JPH0446886 B2 JP H0446886B2 JP 17229286 A JP17229286 A JP 17229286A JP 17229286 A JP17229286 A JP 17229286A JP H0446886 B2 JPH0446886 B2 JP H0446886B2
- Authority
- JP
- Japan
- Prior art keywords
- hydrate
- crystals
- sodium sulfide
- aqueous solution
- naoh
- 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.)
- Expired
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 114
- 239000011734 sodium Substances 0.000 claims description 61
- 239000013078 crystal Substances 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 21
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000008025 crystallization Effects 0.000 claims description 13
- XNFVGEUMTFIVHQ-UHFFFAOYSA-N disodium;sulfide;hydrate Chemical compound O.[Na+].[Na+].[S-2] XNFVGEUMTFIVHQ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 9
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 125000004429 atom Chemical group 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 125000004436 sodium atom Chemical group 0.000 claims description 2
- 238000009834 vaporization Methods 0.000 claims description 2
- 230000008016 vaporization Effects 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims 2
- 150000002500 ions Chemical class 0.000 claims 2
- 238000004062 sedimentation Methods 0.000 claims 2
- 238000001816 cooling Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- IHYNKGRWCDKNEG-UHFFFAOYSA-N n-(4-bromophenyl)-2,6-dihydroxybenzamide Chemical compound OC1=CC=CC(O)=C1C(=O)NC1=CC=C(Br)C=C1 IHYNKGRWCDKNEG-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- -1 5.5-hydrate Chemical class 0.000 description 1
- 229920002955 Art silk Polymers 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002951 depilatory effect Effects 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical group [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 150000004687 hexahydrates Chemical class 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 150000004686 pentahydrates Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000988 sulfur dye Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/22—Alkali metal sulfides or polysulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17229286A JPS63295406A (ja) | 1986-07-21 | 1986-07-21 | 結晶硫化ナトリウム水和物の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17229286A JPS63295406A (ja) | 1986-07-21 | 1986-07-21 | 結晶硫化ナトリウム水和物の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63295406A JPS63295406A (ja) | 1988-12-01 |
| JPH0446886B2 true JPH0446886B2 (enrdf_load_stackoverflow) | 1992-07-31 |
Family
ID=15939222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17229286A Granted JPS63295406A (ja) | 1986-07-21 | 1986-07-21 | 結晶硫化ナトリウム水和物の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63295406A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY173980A (en) * | 2013-04-15 | 2020-03-02 | Enlighten Innovations Inc | Process to separate alkali metal salts from alkali metal reacted hydrocarbons |
| CN111659153A (zh) * | 2020-07-03 | 2020-09-15 | 西安航天华威化工生物工程有限公司 | 硫化钠连续冷却结晶系统及其工艺 |
-
1986
- 1986-07-21 JP JP17229286A patent/JPS63295406A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63295406A (ja) | 1988-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0169710B1 (ko) | 무기물의 결정화 방법 및 장치와 염화나트륨 결정체 | |
| JPH06340416A (ja) | シリカ及び場合によっては四価元素の酸化物を基材とするゼオライトの製造法 | |
| FI106195B (fi) | Menetelmä pitkäketjuisten keteenidimeerien valmistamiseksi | |
| US2881049A (en) | Process of preparing alkali metal silicates | |
| US3212848A (en) | Process for producing sodium carbonate | |
| AU687654B2 (en) | Improved crystallization apparatus and method | |
| EP1334069B1 (en) | System and method for precipitating salts | |
| US2699985A (en) | Apparatus for production of phosphoric acid | |
| JPH0446886B2 (enrdf_load_stackoverflow) | ||
| KR860008936A (ko) | 인산결정을 위한 종자결정의 제조방법 | |
| US2647043A (en) | Crystal growing apparatus | |
| US3726647A (en) | Apparatus for the production of phosphoric acid | |
| US2787521A (en) | Method of continuously conducting a liquid-gas exothermic reaction | |
| US3859052A (en) | Crystallization apparatus having pressure-liquid level control means | |
| JP5160215B2 (ja) | アルミニウム材の水酸化ナトリウム処理廃液の処理方法 | |
| JPH0580408B2 (enrdf_load_stackoverflow) | ||
| US2671716A (en) | Process for the operation of an evaporative crystallization apparatus | |
| GB2034294A (en) | Process for Producing Sodium Bicarbonate | |
| US3734708A (en) | Method for making ammonium phosphate fertilizer | |
| JP2009154103A5 (enrdf_load_stackoverflow) | ||
| Svanoe | “KRYSTAL” CLASSIFYING CRYSTALLIZER | |
| US4256714A (en) | Basic aluminum nitrate crystallization | |
| AP212A (en) | Tetrathiocarbonate process. | |
| JPH0580409B2 (enrdf_load_stackoverflow) | ||
| JP6201262B2 (ja) | 結晶の凝集制御方法 |