GB1563512A - Process for separating acid gas and ammonia from dilute aqueous solutions thereof - Google Patents
Process for separating acid gas and ammonia from dilute aqueous solutions thereof Download PDFInfo
- Publication number
- GB1563512A GB1563512A GB48152/76A GB4815276A GB1563512A GB 1563512 A GB1563512 A GB 1563512A GB 48152/76 A GB48152/76 A GB 48152/76A GB 4815276 A GB4815276 A GB 4815276A GB 1563512 A GB1563512 A GB 1563512A
- Authority
- GB
- United Kingdom
- Prior art keywords
- distillation
- ammonia
- process according
- acid gas
- bottoms
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 232
- 229910021529 ammonia Inorganic materials 0.000 title claims description 104
- 239000002253 acid Substances 0.000 title claims description 51
- 238000000034 method Methods 0.000 title claims description 50
- 239000007864 aqueous solution Substances 0.000 title claims description 27
- 238000004821 distillation Methods 0.000 claims description 111
- 239000007788 liquid Substances 0.000 claims description 51
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 19
- 239000000571 coke Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 13
- 150000003863 ammonium salts Chemical class 0.000 claims description 12
- 150000002989 phenols Chemical class 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 239000011269 tar Substances 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 5
- 238000001944 continuous distillation Methods 0.000 claims description 5
- 238000006731 degradation reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 claims description 2
- 230000002779 inactivation Effects 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 42
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 229910001868 water Inorganic materials 0.000 description 33
- 229910002092 carbon dioxide Inorganic materials 0.000 description 19
- 239000000203 mixture Substances 0.000 description 19
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 18
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 15
- 235000011941 Tilia x europaea Nutrition 0.000 description 15
- 239000004571 lime Substances 0.000 description 15
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 14
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 14
- 239000002351 wastewater Substances 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 11
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 9
- 150000002825 nitriles Chemical class 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000010908 plant waste Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 235000011116 calcium hydroxide Nutrition 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- -1 ammonium carbonate ammonium chloride ammonium bicarbonate ammonium thiocyanate ammonium sulfide ammonium Chemical compound 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000008135 aqueous vehicle Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 150000003567 thiocyanates Chemical class 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000003981 vehicle Substances 0.000 description 2
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- FXDAKBNLWAUSPY-UHFFFAOYSA-O S(=O)(=O)([O-])[O-].[NH4+].S(=S)(=O)(O)O.[NH4+].[C-]#N.[NH4+] Chemical compound S(=O)(=O)([O-])[O-].[NH4+].S(=S)(=O)(O)O.[NH4+].[C-]#N.[NH4+] FXDAKBNLWAUSPY-UHFFFAOYSA-O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 description 1
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- MYKZLATVIJZNTH-UHFFFAOYSA-N azane;cyano thiocyanate Chemical compound N.N#CSC#N MYKZLATVIJZNTH-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- DTMHTVJOHYTUHE-UHFFFAOYSA-N thiocyanogen Chemical compound N#CSSC#N DTMHTVJOHYTUHE-UHFFFAOYSA-N 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0068—General arrangements, e.g. flowsheets
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Industrial Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63352275A | 1975-11-19 | 1975-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1563512A true GB1563512A (en) | 1980-03-26 |
Family
ID=24539969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB48152/76A Expired GB1563512A (en) | 1975-11-19 | 1976-11-18 | Process for separating acid gas and ammonia from dilute aqueous solutions thereof |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5262958A (enrdf_load_stackoverflow) |
| AU (1) | AU513320B2 (enrdf_load_stackoverflow) |
| BR (1) | BR7607656A (enrdf_load_stackoverflow) |
| CA (1) | CA1090281A (enrdf_load_stackoverflow) |
| DE (1) | DE2652524C2 (enrdf_load_stackoverflow) |
| GB (1) | GB1563512A (enrdf_load_stackoverflow) |
| SE (1) | SE426162B (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8535488B2 (en) | 2009-12-28 | 2013-09-17 | Lg Chem, Ltd. | Method and apparatus for purification of trichlorosilane |
| FR2988304A1 (fr) * | 2012-03-23 | 2013-09-27 | Suez Environnement | Procede d'extraction de l'ammoniac dissous dans un effluent liquide, et installation pour la mise en oeuvre de ce procede |
| RU2640533C2 (ru) * | 2016-01-19 | 2018-01-09 | Рустем Руждиевич Везиров | Способ выделения из технологического конденсата сероводорода и аммиака |
| CN107754368A (zh) * | 2017-10-17 | 2018-03-06 | 杭州富如德科技有限公司 | 一种酸性水汽提塔的防腐方法及其防腐装置 |
| US10315936B2 (en) | 2009-10-28 | 2019-06-11 | Oasys Water LLC | Forward osmosis separation processes |
| CN114873669A (zh) * | 2022-01-26 | 2022-08-09 | 锦益创典(天津)科技有限责任公司 | 一种沼液脱碳脱氨方法及系统 |
| CN116216830A (zh) * | 2023-01-28 | 2023-06-06 | 中冶焦耐(大连)工程技术有限公司 | 一种节能脱酸蒸氨工艺及装置 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140586A (en) * | 1976-06-14 | 1979-02-20 | Bethlehem Steel Corporation | Method and apparatus for distillation |
| NL7803765A (nl) * | 1978-04-10 | 1979-10-12 | Hoogovens Ijmuiden Bv | Werkwijze voor het verwijderen van ammoniak en ammo- niumzouten uit industrieel afvalwater. |
| CA1135653A (en) * | 1978-09-12 | 1982-11-16 | Yutaka Ota | Apparatus for treatment of ammoniacal waste liquid |
| US4323430A (en) * | 1981-03-16 | 1982-04-06 | United States Steel Corporation | Process for separating ammonia and acid gases from streams containing fixed ammonia salts |
| DE3707446A1 (de) * | 1987-03-07 | 1988-09-29 | Steinmueller Gmbh L & C | Verfahren zum entfernen von ammoniak aus einem abwasser eines rauchgasreinigungsprozesses |
| DE4041569A1 (de) * | 1990-12-22 | 1992-06-25 | Hoechst Ag | Verfahren zur aufarbeitung schwefelwasserstoff, cyanwasserstoff und ammoniak enthaltender waessriger loesungen |
| DE4330569C1 (de) * | 1992-11-23 | 1994-07-21 | Preussag Noell Wassertech | Verfahren und Vorrichtung zur Entfernung von ammoniumhaltigen Verbindungen aus Abwässern |
| JP2008185310A (ja) * | 2007-01-31 | 2008-08-14 | Mitsubishi Heavy Ind Ltd | 空気調和装置 |
| FR2945287B1 (fr) * | 2009-05-06 | 2012-07-13 | Alcion Environnement | Procede de recuperation et de recyclage d'ammoniac, installation |
| CN106823802A (zh) * | 2010-09-22 | 2017-06-13 | Oasys水有限公司 | 渗透驱动膜工艺和系统以及用于驱动溶质回收的方法 |
| JP5954101B2 (ja) * | 2012-10-16 | 2016-07-20 | Ｊｆｅスチール株式会社 | 安水処理システム |
| KR101583145B1 (ko) | 2013-07-18 | 2016-01-07 | 주식회사 엘지화학 | 증류 장치 |
| JP7092530B2 (ja) * | 2018-03-23 | 2022-06-28 | 月島環境エンジニアリング株式会社 | 酸性成分及びアンモニアを含有する廃水のアンモニアストリッピング処理装置及びその方法 |
| CN113292094A (zh) * | 2021-06-02 | 2021-08-24 | 江西思远再生资源有限公司 | 一种去除次氧化锌原料中氯根、硫酸根的方法 |
| PL73709Y1 (pl) * | 2023-01-23 | 2024-12-09 | Biuro Projektów Koksoprojekt Spółka Z Ograniczoną Odpowiedzialnością | Urządzenie do oddestylowania z wód procesowych składników kwaśnych i amoniaku zaabsorbowanych z gazów przemysłowych |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975759C (de) * | 1943-03-28 | 1962-09-27 | Otto & Co Gmbh Dr C | Verfahren zum Aufarbeiten der bei der Gasreinigung mittels ammoniakalischer Waesser anfallenden Fluessigkeit |
-
1976
- 1976-11-01 AU AU19178/76A patent/AU513320B2/en not_active Expired
- 1976-11-16 SE SE7612804A patent/SE426162B/xx unknown
- 1976-11-17 BR BR7607656A patent/BR7607656A/pt unknown
- 1976-11-18 CA CA266,017A patent/CA1090281A/en not_active Expired
- 1976-11-18 DE DE2652524A patent/DE2652524C2/de not_active Expired
- 1976-11-18 GB GB48152/76A patent/GB1563512A/en not_active Expired
- 1976-11-19 JP JP51140072A patent/JPS5262958A/ja active Granted
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10315936B2 (en) | 2009-10-28 | 2019-06-11 | Oasys Water LLC | Forward osmosis separation processes |
| US8535488B2 (en) | 2009-12-28 | 2013-09-17 | Lg Chem, Ltd. | Method and apparatus for purification of trichlorosilane |
| FR2988304A1 (fr) * | 2012-03-23 | 2013-09-27 | Suez Environnement | Procede d'extraction de l'ammoniac dissous dans un effluent liquide, et installation pour la mise en oeuvre de ce procede |
| RU2640533C2 (ru) * | 2016-01-19 | 2018-01-09 | Рустем Руждиевич Везиров | Способ выделения из технологического конденсата сероводорода и аммиака |
| CN107754368A (zh) * | 2017-10-17 | 2018-03-06 | 杭州富如德科技有限公司 | 一种酸性水汽提塔的防腐方法及其防腐装置 |
| CN107754368B (zh) * | 2017-10-17 | 2022-12-02 | 杭州富如德科技有限公司 | 一种酸性水汽提塔的防腐方法及其防腐装置 |
| CN114873669A (zh) * | 2022-01-26 | 2022-08-09 | 锦益创典(天津)科技有限责任公司 | 一种沼液脱碳脱氨方法及系统 |
| CN116216830A (zh) * | 2023-01-28 | 2023-06-06 | 中冶焦耐(大连)工程技术有限公司 | 一种节能脱酸蒸氨工艺及装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS621796B2 (enrdf_load_stackoverflow) | 1987-01-16 |
| CA1090281A (en) | 1980-11-25 |
| DE2652524C2 (de) | 1986-12-04 |
| AU1917876A (en) | 1978-05-11 |
| AU513320B2 (en) | 1980-11-27 |
| SE7612804L (sv) | 1977-05-20 |
| JPS5262958A (en) | 1977-05-24 |
| DE2652524A1 (de) | 1977-05-26 |
| SE426162B (sv) | 1982-12-13 |
| BR7607656A (pt) | 1977-09-27 |
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| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |