IE41638L - Recovery of an agent for precipitating protein - Google Patents
Recovery of an agent for precipitating proteinInfo
- Publication number
- IE41638L IE41638L IE751649A IE164975A IE41638L IE 41638 L IE41638 L IE 41638L IE 751649 A IE751649 A IE 751649A IE 164975 A IE164975 A IE 164975A IE 41638 L IE41638 L IE 41638L
- Authority
- IE
- Ireland
- Prior art keywords
- sludge
- proteins
- precipitant
- recovery
- agent
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/001—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from waste materials, e.g. kitchen waste
- A23J1/002—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from waste materials, e.g. kitchen waste from animal waste materials
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biochemistry (AREA)
- Hydrology & Water Resources (AREA)
- Polymers & Plastics (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
- Peptides Or Proteins (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Removal Of Specific Substances (AREA)
Abstract
An alkaline earth metal compound is added to the sludge in a sufficient quantity to bind the proteins. Generally, the pH is then already greater than 6.5, otherwise it is adjusted to above 6.5 by addition of an alkali metal hydroxide or an alkaline earth metal hydroxide. The sludge is then heated to a temperature which is above the coagulation point of the proteins present, a water phase being released which is separated off. This water phase contains the precipitant and can be reused for precipitating proteins. The advantage of the process described here is that not only is a concentration or thickening of the precipitated protein-containing sludge achieved, but also the precipitant is recovered for further use.
[GB1512731A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO742703A NO133347C (en) | 1974-07-24 | 1974-07-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE41638L true IE41638L (en) | 1976-01-24 |
| IE41638B1 IE41638B1 (en) | 1980-02-13 |
Family
ID=19881744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1649/75A IE41638B1 (en) | 1974-07-24 | 1975-07-23 | Process for removing and recovering precipitation agents fom precipitate containing proteinous substances |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS5149171A (en) |
| AR (1) | AR214710A1 (en) |
| AT (1) | AT337622B (en) |
| BE (1) | BE831625A (en) |
| BR (1) | BR7504675A (en) |
| CA (1) | CA1054896A (en) |
| CH (1) | CH615089A5 (en) |
| CS (1) | CS199594B2 (en) |
| DE (1) | DE2530820C3 (en) |
| DK (1) | DK146613C (en) |
| ES (1) | ES439626A1 (en) |
| FI (1) | FI59016C (en) |
| FR (1) | FR2279676A1 (en) |
| GB (1) | GB1512731A (en) |
| IE (1) | IE41638B1 (en) |
| IS (1) | IS1299B6 (en) |
| IT (1) | IT1040040B (en) |
| NL (1) | NL7508793A (en) |
| NO (1) | NO133347C (en) |
| SE (1) | SE417597B (en) |
| YU (1) | YU36600B (en) |
| ZA (1) | ZA754367B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5593701B2 (en) * | 2010-01-08 | 2014-09-24 | 三菱レイヨン株式会社 | Method for dewatering organic sludge |
| CN102976579A (en) * | 2012-12-31 | 2013-03-20 | 浙江工商大学 | Method of preparing flocculating agent by utilizing sludge and application thereof |
-
1974
- 1974-07-24 NO NO742703A patent/NO133347C/no unknown
-
1975
- 1975-07-08 ZA ZA00754367A patent/ZA754367B/en unknown
- 1975-07-09 IS IS2280A patent/IS1299B6/en unknown
- 1975-07-10 DE DE2530820A patent/DE2530820C3/en not_active Expired
- 1975-07-17 YU YU1823/75A patent/YU36600B/en unknown
- 1975-07-17 FI FI752068A patent/FI59016C/en not_active IP Right Cessation
- 1975-07-21 IT IT25613/75A patent/IT1040040B/en active
- 1975-07-21 CS CS755134A patent/CS199594B2/en unknown
- 1975-07-21 GB GB30463/75A patent/GB1512731A/en not_active Expired
- 1975-07-22 CH CH958775A patent/CH615089A5/en not_active IP Right Cessation
- 1975-07-22 SE SE7508356A patent/SE417597B/en not_active IP Right Cessation
- 1975-07-22 BR BR7504675*A patent/BR7504675A/en unknown
- 1975-07-22 ES ES439626A patent/ES439626A1/en not_active Expired
- 1975-07-22 JP JP50088923A patent/JPS5149171A/ja active Pending
- 1975-07-23 CA CA232,085A patent/CA1054896A/en not_active Expired
- 1975-07-23 AT AT569375A patent/AT337622B/en not_active IP Right Cessation
- 1975-07-23 AR AR259721A patent/AR214710A1/en active
- 1975-07-23 IE IE1649/75A patent/IE41638B1/en unknown
- 1975-07-23 DK DK334375A patent/DK146613C/en not_active IP Right Cessation
- 1975-07-23 NL NL7508793A patent/NL7508793A/en not_active Application Discontinuation
- 1975-07-23 BE BE158511A patent/BE831625A/en not_active IP Right Cessation
- 1975-07-23 FR FR7523002A patent/FR2279676A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AR214710A1 (en) | 1979-07-31 |
| IS1299B6 (en) | 1987-11-25 |
| FI59016B (en) | 1981-02-27 |
| FI59016C (en) | 1981-06-10 |
| AT337622B (en) | 1977-07-11 |
| DE2530820A1 (en) | 1976-02-05 |
| ATA569375A (en) | 1976-10-15 |
| DK334375A (en) | 1976-01-25 |
| YU36600B (en) | 1984-08-31 |
| IT1040040B (en) | 1979-12-20 |
| SE417597B (en) | 1981-03-30 |
| JPS5149171A (en) | 1976-04-28 |
| ES439626A1 (en) | 1977-03-01 |
| FI752068A (en) | 1976-01-25 |
| BE831625A (en) | 1975-11-17 |
| CH615089A5 (en) | 1980-01-15 |
| GB1512731A (en) | 1978-06-01 |
| CA1054896A (en) | 1979-05-22 |
| IE41638B1 (en) | 1980-02-13 |
| FR2279676B1 (en) | 1982-05-14 |
| CS199594B2 (en) | 1980-07-31 |
| DK146613C (en) | 1984-05-07 |
| NO133347C (en) | 1976-04-21 |
| NO133347B (en) | 1976-01-12 |
| SE7508356L (en) | 1976-01-26 |
| YU182375A (en) | 1982-02-25 |
| BR7504675A (en) | 1976-07-06 |
| DE2530820C3 (en) | 1980-03-06 |
| FR2279676A1 (en) | 1976-02-20 |
| IS2280A7 (en) | 1975-08-20 |
| ZA754367B (en) | 1976-06-30 |
| DK146613B (en) | 1983-11-21 |
| DE2530820B2 (en) | 1979-07-05 |
| AU8334775A (en) | 1977-01-27 |
| NL7508793A (en) | 1976-01-27 |
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