RO72419A - Procedeu pentru prepararea deseurilor de la fabricarea difenilolpropanului - Google Patents
Procedeu pentru prepararea deseurilor de la fabricarea difenilolpropanuluiInfo
- Publication number
- RO72419A RO72419A RO7791572A RO9157277A RO72419A RO 72419 A RO72419 A RO 72419A RO 7791572 A RO7791572 A RO 7791572A RO 9157277 A RO9157277 A RO 9157277A RO 72419 A RO72419 A RO 72419A
- Authority
- RO
- Romania
- Prior art keywords
- diphanylolpropane
- treatment
- manufacturing waste
- waste
- manufacturing
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
Classifications
-
- 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
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
- C07C37/52—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by splitting polyaromatic compounds, e.g. polyphenolalkanes
-
- 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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1976192402A PL103054B1 (pl) | 1976-09-12 | 1976-09-12 | Sposob przerobki odpadow z procesu wytwarzania dwufenylolopropanu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO72419A true RO72419A (ro) | 1983-04-29 |
| RO72419B RO72419B (ro) | 1983-04-30 |
Family
ID=19978552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO91572A RO72419B (ro) | 1976-09-12 | 1977-09-10 | Procedeu pentru prepararea deseurilor de la fabricarea difenilolpropanului |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4131749A (ro) |
| CS (1) | CS203171B2 (ro) |
| DD (1) | DD132657A5 (ro) |
| FR (1) | FR2364195A1 (ro) |
| PL (1) | PL103054B1 (ro) |
| RO (1) | RO72419B (ro) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351966A (en) * | 1971-06-08 | 1982-09-28 | General Electric Company | Phenol recovery from bisphenol-A waste streams |
| JPS6026432B2 (ja) * | 1977-11-24 | 1985-06-24 | 三井東圧化学株式会社 | 塗料組成物 |
| JPS5814410B2 (ja) * | 1978-08-14 | 1983-03-18 | 三井東圧化学株式会社 | ジフエニロ−ルアルカンの開裂方法 |
| JPS5811930B2 (ja) * | 1978-08-15 | 1983-03-05 | 三井東圧化学株式会社 | イソプロペニルフエノ−ルの製法 |
| US4594459A (en) * | 1985-03-25 | 1986-06-10 | The Dow Chemical Company | Preparation of p-isopropenyl phenol and related compounds |
| US4657890A (en) * | 1985-09-20 | 1987-04-14 | The Dow Chemical Company | Catalyst for preparing p-isopropenyl phenol |
| PL164289B1 (pl) * | 1990-11-24 | 1994-07-29 | Inst Ciezkiej Syntezy Orga | Sposób otrzymywani blsfenolu A PL PL |
| US5136111A (en) * | 1991-06-07 | 1992-08-04 | Mri Ventures, Inc. | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of phenolic resin containing waste streams to sequentially recover monomers and chemicals |
| US5430199A (en) * | 1994-03-28 | 1995-07-04 | General Electric Company | Method for recovering phenol and xanthene values from bisphenol A tars |
| US5959158A (en) * | 1996-04-12 | 1999-09-28 | Gammill; Ben | Method and system for bisphenol a production using water |
| US5874644A (en) * | 1996-04-12 | 1999-02-23 | Gammill; Ben | Method and system for bisphenol a production using controlled turbulence |
| DE19720541A1 (de) | 1997-05-16 | 1998-11-19 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von Dihydroxydiphenylalkanen |
| DE19720539A1 (de) | 1997-05-16 | 1998-11-19 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von Dihydroxydiarylalkanen |
| DE19720540A1 (de) * | 1997-05-16 | 1998-11-19 | Bayer Ag | Verfahren zur Aufarbeitung von Mutterlaugen aus der Bisphenolsynthese |
| US6303835B1 (en) | 2000-09-11 | 2001-10-16 | General Electric Company | Method for recovering material values from bisphenol tars |
| US8044248B2 (en) * | 2008-04-03 | 2011-10-25 | Badger Licensing Llc | Treatment of bisphenol-A residue streams |
| US7858830B2 (en) | 2008-10-28 | 2010-12-28 | Badger Licensing Llc | Process for recovering phenol from a BPA waste stream |
| WO2014089674A1 (en) * | 2012-12-13 | 2014-06-19 | Lanxess Inc. | Processes for preparing epoxidized polymers |
| JP7767983B2 (ja) * | 2022-02-25 | 2025-11-12 | 三菱ケミカル株式会社 | イソプロペニルフェノール含有溶液の製造方法、ビスフェノールａ含有溶液の製造方法、ビスフェノールａの製造方法及びポリカーボネート樹脂の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA660173A (en) * | 1963-03-26 | Krimm Heinrich | Process for the production of alkenyl and cycloalkenyl phenols | |
| US2497503A (en) * | 1946-03-07 | 1950-02-14 | Libbey Owens Ford Glass Co | Preparation of substituted phenols |
| US3466337A (en) * | 1967-01-30 | 1969-09-09 | Dow Chemical Co | Regeneration of phenol from bisphenol a and byproducts |
-
1976
- 1976-09-12 PL PL1976192402A patent/PL103054B1/pl unknown
-
1977
- 1977-08-18 FR FR7725276A patent/FR2364195A1/fr not_active Withdrawn
- 1977-08-25 US US05/827,780 patent/US4131749A/en not_active Expired - Lifetime
- 1977-09-09 DD DD7700200958A patent/DD132657A5/xx unknown
- 1977-09-10 RO RO91572A patent/RO72419B/ro unknown
- 1977-09-12 CS CS775920A patent/CS203171B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO72419B (ro) | 1983-04-30 |
| PL192402A1 (pl) | 1978-03-28 |
| PL103054B1 (pl) | 1979-05-31 |
| FR2364195A1 (fr) | 1978-04-07 |
| CS203171B2 (en) | 1981-02-27 |
| US4131749A (en) | 1978-12-26 |
| DD132657A5 (de) | 1978-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2460897B1 (fr) | Procede de traitement des boues | |
| FR2335205A2 (fr) | Procede pour la fabrication de comprimes poreux | |
| RO72419A (ro) | Procedeu pentru prepararea deseurilor de la fabricarea difenilolpropanului | |
| FR2292674A1 (fr) | Procede de traitement des boues | |
| BE870055A (fr) | Compositions et procede pour le traitement des calculs renaux | |
| PT65029B (fr) | Procede hydrometallurgique pour le traitement des minerauxsulfures | |
| BE856361A (fr) | Procede pour le traitement des eaux residuaires albumineuses | |
| BE795992A (fr) | Procede pour le traitement d'un courant residuaire de fabrication d'engrais | |
| FR2331954A1 (fr) | Procede et installation pour la fabrication des fromages | |
| FR2302499A1 (fr) | Procede pour la fabrication de revete | |
| FR2345226A1 (fr) | Procede de traitement antirouille | |
| BE850064A (fr) | Procede de traitement catalytique | |
| BE854260A (fr) | Procede de traitement de surfaces metalliques | |
| FR2339434A1 (fr) | Procede de traitement des rebuts | |
| BE864135A (fr) | Procede pour la fabrication de peradices | |
| FR2407174B1 (fr) | Procede et installation pour le traitement des boues | |
| BE844351A (fr) | Procede de traitement d'un effluent | |
| BE852320A (fr) | Procede de traitement | |
| BE846606A (fr) | Procede pour le traitement des effluents urbains | |
| BE878885A (fr) | Procede pour la fabrication de monofilaments | |
| FR2317221A1 (fr) | Procede de traitement des boues phosphatees | |
| BE859445A (fr) | Procede de traitement de polypropylene | |
| BE861399A (fr) | Procede pour le traitement electrochimique de surfaces metalliques | |
| FR2319474A1 (fr) | Procede pour la fabrication de faces pour lunettes | |
| BE857261A (fr) | Procede pour la fabrication de fonte |