NL108665C - - Google Patents

Info

Publication number
NL108665C
NL108665C NL242427A NL242427A NL108665C NL 108665 C NL108665 C NL 108665C NL 242427 A NL242427 A NL 242427A NL 242427 A NL242427 A NL 242427A NL 108665 C NL108665 C NL 108665C
Authority
NL
Netherlands
Application number
NL242427A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of NL108665C publication Critical patent/NL108665C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/0278—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries by chemical methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/52—Amides or imides
    • C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F20/56—Acrylamide; Methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
    • 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
    • C02F2101/006—Radioactive compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/935—Enhanced oil recovery
    • Y10S507/936—Flooding the formation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Polymers & Plastics (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
NL242427A 1958-08-18 1959-08-18 NL108665C (xx)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US755434A US3002960A (en) 1958-08-18 1958-08-18 Polyacrylamide preparation
US274367A US3480761A (en) 1958-08-18 1958-08-22 Clear overflow settling with very high molecular weight polyelectrolytes
US27436763A 1963-03-18 1963-03-18

Publications (1)

Publication Number Publication Date
NL108665C true NL108665C (xx) 1964-06-15

Family

ID=27402649

Family Applications (1)

Application Number Title Priority Date Filing Date
NL242427A NL108665C (xx) 1958-08-18 1959-08-18

Country Status (5)

Country Link
US (2) US3002960A (xx)
DE (1) DE1164094B (xx)
FR (1) FR1237969A (xx)
GB (1) GB870711A (xx)
NL (1) NL108665C (xx)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039529A (en) * 1959-05-19 1962-06-19 Dow Chemical Co Secondary recovery of petroleum
US3247171A (en) * 1963-04-08 1966-04-19 Dow Chemical Co Process for hydrolyzing a cross-linked acrylamide polymer and the product thereby
US3475515A (en) * 1966-09-01 1969-10-28 Mobil Oil Corp Graft copolymers
US3482635A (en) * 1967-03-06 1969-12-09 Us Interior Polyacrylamide removal from porous media
US3476186A (en) * 1967-12-21 1969-11-04 Union Oil Co Recovery of petroleum by flooding with viscous aqueous solutions of acrylic acid-acrylamide-diacetone acrylamide copolymer
US3680698A (en) * 1970-02-25 1972-08-01 Occidental Petroleum Corp Process for the treatment of slimes and waste solids
US3755280A (en) * 1971-03-05 1973-08-28 American Cyanamid Co Drying of acrylamide polymer gels
US3929751A (en) * 1971-04-14 1975-12-30 American Cyanamid Co High molecular weight acrylamide polymer production by high solids solution polymerization
US4115339A (en) * 1971-11-18 1978-09-19 Hercules Incorporated High molecular-weight, water-soluble vinyl polymers
US3779917A (en) * 1971-11-26 1973-12-18 Marathon Oil Co Oil recovery with vinyl sulfonic acid-acrylamide copolymers
US4016086A (en) * 1972-01-26 1977-04-05 Marathon Oil Company Polyacrylamide polymers derived from acrylonitrile without intermediate isolation
US3841401A (en) * 1972-11-06 1974-10-15 Ici America Inc Process for recovering hydrocarbon using polymer obtained by radiation polymerization
JPS5144556B2 (xx) * 1973-01-25 1976-11-29
JPS5427874B2 (xx) * 1973-09-29 1979-09-12
JPS5128342A (ja) * 1974-08-31 1976-03-10 Sanno Kk Dobokukojihaikideisuimaeshoriho
US4024216A (en) * 1975-07-02 1977-05-17 Nalco Chemical Company Carbonate leach uranium ore processing with sodium polyacrylate flocculant
DE2545007B2 (de) * 1975-10-08 1977-08-11 Wolff Walsrode Ag, 3030 Walsrode Lineares, hochmolekulares acrylamid-homopolymerisat und seine verwendung als hilfsmittel zur verbesserung der retention, entwaesserung und aufbereitung
US4060490A (en) * 1976-08-23 1977-11-29 Union Oil Company Of California Composition and method for enhanced oil recovery utilizing aqueous polyacrylamide solutions
US4081357A (en) * 1977-02-07 1978-03-28 American Cyanamid Company Process for selective flocculation of hematitic iron ores in the presence of non-ferrous minerals
US4297226A (en) * 1978-06-19 1981-10-27 Texaco Development Corp. Process for secondary recovery
US4560486A (en) * 1978-06-26 1985-12-24 The Dow Chemical Company Breaker system for high viscosity fluids
US4250044A (en) * 1978-06-26 1981-02-10 The Dow Chemical Company Breaker system for high viscosity fluids
US4234433A (en) * 1978-10-04 1980-11-18 Marathon Oil Company Recovery of petroleum with chemically treated high molecular weight polymers
US4326969A (en) * 1978-10-23 1982-04-27 Texaco Development Corp. Process for secondary recovery
US4279759A (en) * 1979-02-27 1981-07-21 Nalco Chemical Company Settling column for use with solids monitor
JPS608689B2 (ja) * 1979-08-21 1985-03-05 日東化学工業株式会社 アクリルアミド系重合体の製造法
US4248304A (en) * 1979-11-16 1981-02-03 Nalco Chemical Company Large scale production of inexpensive flooding polymers for tertiary oil recovery
US4383930A (en) * 1980-06-20 1983-05-17 Marathon Oil Company Mobility control agent
FR2495217A1 (fr) * 1980-11-28 1982-06-04 Rhone Poulenc Ind Utilisation d'un agent epaississant pour la recuperation du petrole
US4440652A (en) * 1981-03-23 1984-04-03 Texaco Development Corporation Process for secondary recovery
NZ201713A (en) * 1981-09-14 1986-01-24 Union Carbide Corp Water-soluble acrylamide-containing polymer
CA1205935A (en) * 1981-09-14 1986-06-10 Union Carbide Corporation Process for producing a polymer water-in-oil emulsion
US4529782A (en) * 1981-09-14 1985-07-16 Union Carbide Corporation High molecular weight water soluble polymers
US4397748A (en) * 1981-11-12 1983-08-09 Marathon Oil Company Treatment of sanitary sewer systems
IE55674B1 (en) * 1982-09-24 1990-12-19 Blue Circle Ind Plc Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith
US4540498A (en) * 1983-05-31 1985-09-10 The Standard Oil Company Block copolymers for enhanced oil recovery
GB8410971D0 (en) * 1984-04-30 1984-06-06 Allied Colloids Ltd Flocculants and processes
US4647385A (en) * 1985-11-12 1987-03-03 Hi-Tek Polymers, Inc. Reduction of viscosity of aqueous fluids
US4938876A (en) * 1989-03-02 1990-07-03 Ohsol Ernest O Method for separating oil and water emulsions
US5045614A (en) * 1989-04-07 1991-09-03 The Dow Chemical Company Process for polymerizing vinyl monomers using amine containing compounds which simultaneously act as initiators and crosslinking agents as part of a redox initiator system
US5106518A (en) * 1990-11-09 1992-04-21 The Western Company Of North America Breaker system for high viscosity fluids and method of use
US5552316A (en) * 1993-06-04 1996-09-03 Environmental Marketing Services, Ltd. Clarifying E. coli fermentation broths with a combination of anionic and cationic flocculants
GB2299331B (en) * 1995-03-27 1998-11-18 Nalco Chemical Co Enhanced corrosion protection by use of friction reducers in conjunction with corrosion inhibitors
CA2567599C (en) * 2004-05-21 2015-07-21 Mo Bio Laboratories, Inc. Kits and processes for removing contaminants from nucleic acids in environmental and biological samples
ES2259932B1 (es) * 2005-04-13 2008-04-01 Lodos Secos, S.L. Procedimiento de tratamiento de lodos.
CN102372807B (zh) * 2010-08-23 2013-09-18 中国石油化工股份有限公司 驱油用耐温抗盐阴离子型聚丙烯酰胺的制备方法
FR2965564B1 (fr) 2010-09-30 2012-10-26 Rhodia Operations Preparation de polymeres hydrophiles de haute masse par polymerisation radicalaire controlee
WO2014182933A1 (en) 2013-05-08 2014-11-13 Conocophillips Company Polyol for improving sweep efficiency in oil reservoirs
CN109958406B (zh) * 2019-03-08 2021-07-20 中核通辽铀业有限责任公司 一种地浸采铀酸化洗孔方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733206A (en) * 1956-01-31 Chemical treatment of flood waters
BE476083A (xx) * 1946-07-22
US2560694A (en) * 1950-07-15 1951-07-17 Du Pont Bromate ion-sulfoxy compound catalyst system in aqueous polymerization process
US2842492A (en) * 1954-03-03 1958-07-08 Roehm & Haas Gmbh Process for increasing the yield of oil upon the flooding with water of oil deposits
US2820777A (en) * 1954-04-29 1958-01-21 American Cyanamid Co Process of preparing polyacrylamide
US2875047A (en) * 1955-01-19 1959-02-24 Oster Gerald Photopolymerization with the formation of coherent plastic masses
US2917477A (en) * 1955-01-21 1959-12-15 American Cyanamid Co Aqueous polymerization process using amino acid chelating agent and product
US3418237A (en) * 1963-12-22 1968-12-24 American Cyanamid Co Settling of non-argillaceous ore pulps and mineral suspensions by use of water-soluble acrylic polymers

Also Published As

Publication number Publication date
US3480761A (en) 1969-11-25
FR1237969A (fr) 1960-11-28
GB870711A (en) 1961-06-21
DE1164094B (de) 1964-02-27
US3002960A (en) 1961-10-03

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