NL7217653A - - Google Patents
Info
- Publication number
- NL7217653A NL7217653A NL7217653A NL7217653A NL7217653A NL 7217653 A NL7217653 A NL 7217653A NL 7217653 A NL7217653 A NL 7217653A NL 7217653 A NL7217653 A NL 7217653A NL 7217653 A NL7217653 A NL 7217653A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
- C07D487/18—Bridged systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/005—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up
- C07C37/009—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up from waste water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT32952/71A IT951612B (it) | 1971-12-27 | 1971-12-27 | Procedimento per il recupero della formaldeide e del fenolo contenuti in acque di scarico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7217653A true NL7217653A (en:Method) | 1973-06-29 |
Family
ID=11236204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7217653A NL7217653A (en:Method) | 1971-12-27 | 1972-12-27 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3843643A (en:Method) |
| JP (1) | JPS5128943B2 (en:Method) |
| CA (1) | CA963592A (en:Method) |
| CH (1) | CH601335A5 (en:Method) |
| DE (1) | DE2262154A1 (en:Method) |
| FR (1) | FR2165990B1 (en:Method) |
| GB (1) | GB1377260A (en:Method) |
| IT (1) | IT951612B (en:Method) |
| NL (1) | NL7217653A (en:Method) |
| YU (1) | YU322372A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1483570A (en) * | 1974-08-27 | 1977-08-24 | Walter Resources Inc J | Method for preparing a complex of a phenolic compound and hexamethylenetetramine |
| US4014827A (en) * | 1975-03-10 | 1977-03-29 | United States Pipe And Foundry Company | Substrate reinforced rubber structure and compound for forming same |
| IT1038873B (it) * | 1975-06-11 | 1979-11-30 | Sir Soc Italiana Resine Spa | Procedimento per il recupero della formadeide contenuta in acque di scarico |
| RU2338698C2 (ru) * | 2006-11-24 | 2008-11-20 | ЗАО "Экология" | Способ удаления аммиака и аммонийного азота из вод шламового хозяйства металлургических производств |
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1971
- 1971-12-27 IT IT32952/71A patent/IT951612B/it active
-
1972
- 1972-12-05 GB GB5615372A patent/GB1377260A/en not_active Expired
- 1972-12-06 CA CA158,179A patent/CA963592A/en not_active Expired
- 1972-12-11 CH CH3295271A patent/CH601335A5/xx not_active IP Right Cessation
- 1972-12-19 DE DE2262154A patent/DE2262154A1/de active Pending
- 1972-12-21 FR FR7245793A patent/FR2165990B1/fr not_active Expired
- 1972-12-21 US US00317490A patent/US3843643A/en not_active Expired - Lifetime
- 1972-12-25 YU YU03223/72A patent/YU322372A/xx unknown
- 1972-12-26 JP JP47129653A patent/JPS5128943B2/ja not_active Expired
- 1972-12-27 NL NL7217653A patent/NL7217653A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA963592A (en) | 1975-02-25 |
| JPS4877658A (en:Method) | 1973-10-18 |
| FR2165990A1 (en:Method) | 1973-08-10 |
| DE2262154A1 (de) | 1973-07-19 |
| JPS5128943B2 (en:Method) | 1976-08-23 |
| CH601335A5 (en:Method) | 1978-07-14 |
| US3843643A (en) | 1974-10-22 |
| GB1377260A (en) | 1974-12-11 |
| FR2165990B1 (en:Method) | 1976-08-27 |
| IT951612B (it) | 1973-07-10 |
| YU322372A (en) | 1980-10-31 |