IT942292B - Procedimento per la produzione di zolfo elementare da correnti acquose contenenti solfito - Google Patents
Procedimento per la produzione di zolfo elementare da correnti acquose contenenti solfitoInfo
- Publication number
- IT942292B IT942292B IT53893/71A IT5389371A IT942292B IT 942292 B IT942292 B IT 942292B IT 53893/71 A IT53893/71 A IT 53893/71A IT 5389371 A IT5389371 A IT 5389371A IT 942292 B IT942292 B IT 942292B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- elementary sulfur
- containing sulfite
- currents containing
- Prior art date
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 title 1
- 239000011593 sulfur Substances 0.000 title 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
- C01B17/02—Preparation of sulfur; Purification
- C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8739370A | 1970-11-05 | 1970-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT942292B true IT942292B (it) | 1973-03-20 |
Family
ID=22204922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT53893/71A IT942292B (it) | 1970-11-05 | 1971-11-05 | Procedimento per la produzione di zolfo elementare da correnti acquose contenenti solfito |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3728439A (it) |
| JP (1) | JPS5017440B1 (it) |
| CA (1) | CA949285A (it) |
| DE (1) | DE2154832A1 (it) |
| FR (1) | FR2113638A5 (it) |
| GB (1) | GB1365700A (it) |
| IT (1) | IT942292B (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5545710U (it) * | 1978-09-20 | 1980-03-25 | ||
| US4231996A (en) * | 1979-06-20 | 1980-11-04 | Continental Oil Company | Method for producing ammonia and hydrogen sulfide |
| US4440689A (en) * | 1981-07-22 | 1984-04-03 | Mitsubishi Chemical Industries, Limited | Acyloxysteroids and process for producing same |
| US4372940A (en) * | 1981-10-26 | 1983-02-08 | Sterling Drug Inc. | Process and apparatus for treatment of thiosulfate containing liquors |
| NL8902870A (nl) * | 1989-11-21 | 1991-06-17 | Leonardus Mathijs Marie Nevels | Werkwijze voor de verwerking van restfixeerbaden. |
| US5766482A (en) * | 1996-05-21 | 1998-06-16 | Paul B. Bertan's Living Trust | Capture, degradation, and destruction of sulfur bearing compounds |
| RU2186020C2 (ru) * | 1999-09-13 | 2002-07-27 | Кабардино-Балкарский государственный университет | Способ получения серы |
| WO2007092914A2 (en) | 2006-02-09 | 2007-08-16 | Alcoa Inc. | Methods, apparatus and systems for polishing wastewater utilizing natural media filtration |
| US7897049B2 (en) * | 2006-05-31 | 2011-03-01 | Alcoa Inc. | Methods for treating water using iron |
| US9187342B2 (en) | 2010-06-14 | 2015-11-17 | Alcoa Inc. | Method for removing drugs from waste water using neutralized bauxite residue |
| CA2897773A1 (en) | 2013-01-11 | 2014-07-17 | Alcoa Inc. | Wastewater treatment systems and methods |
| WO2018002680A1 (en) * | 2016-06-28 | 2018-01-04 | Bewo Marketing & Brokerage | Process for the treatment of sulfidic spent caustic |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1062120A (en) * | 1911-07-26 | 1913-05-20 | Thiogen Company | Process of obtaining sulfur from smelter-gases. |
| US1636106A (en) * | 1923-01-31 | 1927-07-19 | Tubize Artificial Silk Company | Method of froducing alkali-metal sulphydrates |
| GB947640A (en) * | 1960-04-19 | 1964-01-22 | Simons Carves Ltd | Improvements in or relating to the removal of sulphur compounds from waste gases |
| US3536618A (en) * | 1968-09-16 | 1970-10-27 | Universal Oil Prod Co | Treatment of an aqueous waste stream from a hydrocarbon conversion process |
-
1970
- 1970-11-05 US US00087393A patent/US3728439A/en not_active Expired - Lifetime
-
1971
- 1971-11-04 DE DE19712154832 patent/DE2154832A1/de active Pending
- 1971-11-04 CA CA126,873A patent/CA949285A/en not_active Expired
- 1971-11-04 GB GB5130571A patent/GB1365700A/en not_active Expired
- 1971-11-05 JP JP46087722A patent/JPS5017440B1/ja active Pending
- 1971-11-05 IT IT53893/71A patent/IT942292B/it active
- 1971-11-05 FR FR7139809A patent/FR2113638A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5017440B1 (it) | 1975-06-20 |
| GB1365700A (en) | 1974-09-04 |
| DE2154832A1 (de) | 1972-05-18 |
| FR2113638A5 (it) | 1972-06-23 |
| CA949285A (en) | 1974-06-18 |
| US3728439A (en) | 1973-04-17 |
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