IT8248098A0 - Agenti di flocculazione e loro preparazione - Google Patents
Agenti di flocculazione e loro preparazioneInfo
- Publication number
- IT8248098A0 IT8248098A0 IT8248098A IT4809882A IT8248098A0 IT 8248098 A0 IT8248098 A0 IT 8248098A0 IT 8248098 A IT8248098 A IT 8248098A IT 4809882 A IT4809882 A IT 4809882A IT 8248098 A0 IT8248098 A0 IT 8248098A0
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- flocculation agents
- flocculation
- agents
- Prior art date
Links
- 230000016615 flocculation Effects 0.000 title 1
- 238000005189 flocculation Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C275/04—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms
- C07C275/06—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
- C07C275/14—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton being further substituted by nitrogen atoms not being part of nitro or nitroso groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8110407 | 1981-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8248098A0 true IT8248098A0 (it) | 1982-03-26 |
IT1189245B IT1189245B (it) | 1988-01-28 |
Family
ID=10520874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48098/82A IT1189245B (it) | 1981-04-02 | 1982-03-26 | Agenti di flocculazione e loro preparazione |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS57203046A (it) |
CH (1) | CH655092A5 (it) |
DE (1) | DE3210741A1 (it) |
FR (1) | FR2503170B1 (it) |
IT (1) | IT1189245B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4457860A (en) * | 1982-04-26 | 1984-07-03 | The Dow Chemical Company | Use of heterocyclic ammonium polyamidoamines as demulsifiers |
DE102005006030A1 (de) * | 2005-02-09 | 2006-08-10 | Basf Ag | Hyperverzweigte Polymere als Demulgatoren zum Spalten von Rohölemulsionen |
CN108314158B (zh) * | 2018-03-29 | 2020-06-09 | 陕西科技大学 | 一种星型多阳离子基化合物作为絮凝剂的应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH491153A (de) * | 1967-09-28 | 1970-05-31 | Sandoz Ag | Verfahren zur Herstellung von neuen kationaktiven, wasserlöslichen Polyamiden |
USRE28807E (en) * | 1972-02-04 | 1976-05-11 | American Cyanamid Company | Polyquaternary flocculants |
CH638362GA3 (it) * | 1977-06-10 | 1983-09-30 | ||
ATE7906T1 (de) * | 1979-09-20 | 1984-06-15 | Ciba-Geigy Ag | Quaternaere ammoniumsalze aus diepoxyden und diaminen, ihre herstellung und verwendung. |
CH655248A5 (de) * | 1980-04-03 | 1986-04-15 | Sandoz Ag | Flockulations- bzw. emulsionsbrechende mittel und darin enthaltene quaternaere ammoniumverbindungen. |
-
1982
- 1982-03-22 CH CH1746/82A patent/CH655092A5/de not_active IP Right Cessation
- 1982-03-24 DE DE19823210741 patent/DE3210741A1/de not_active Withdrawn
- 1982-03-25 FR FR8205276A patent/FR2503170B1/fr not_active Expired
- 1982-03-26 IT IT48098/82A patent/IT1189245B/it active
- 1982-04-01 JP JP57054722A patent/JPS57203046A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2503170A1 (fr) | 1982-10-08 |
CH655092A5 (de) | 1986-03-27 |
FR2503170B1 (fr) | 1986-07-18 |
JPS57203046A (en) | 1982-12-13 |
DE3210741A1 (de) | 1982-11-04 |
IT1189245B (it) | 1988-01-28 |
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