BE828141A - Procede de purification a bas prix de flux residuaires contenant de l'uree - Google Patents

Procede de purification a bas prix de flux residuaires contenant de l'uree

Info

Publication number
BE828141A
BE828141A BE155576A BE155576A BE828141A BE 828141 A BE828141 A BE 828141A BE 155576 A BE155576 A BE 155576A BE 155576 A BE155576 A BE 155576A BE 828141 A BE828141 A BE 828141A
Authority
BE
Belgium
Prior art keywords
purification process
low price
containing urea
flows containing
residual flows
Prior art date
Application number
BE155576A
Other languages
English (en)
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
Publication of BE828141A publication Critical patent/BE828141A/fr

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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2101/38—Organic compounds containing nitrogen

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
BE155576A 1974-04-24 1975-04-18 Procede de purification a bas prix de flux residuaires contenant de l'uree BE828141A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46347674A 1974-04-24 1974-04-24

Publications (1)

Publication Number Publication Date
BE828141A true BE828141A (fr) 1975-10-20

Family

ID=23840226

Family Applications (1)

Application Number Title Priority Date Filing Date
BE155576A BE828141A (fr) 1974-04-24 1975-04-18 Procede de purification a bas prix de flux residuaires contenant de l'uree

Country Status (8)

Country Link
US (1) US4188292A (fr)
JP (1) JPS50139549A (fr)
BE (1) BE828141A (fr)
CA (1) CA1046665A (fr)
DE (1) DE2512718A1 (fr)
FR (1) FR2268759A1 (fr)
IT (1) IT1034767B (fr)
NL (1) NL7504477A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044602A1 (de) * 1980-11-27 1982-07-01 Uhde Gmbh, 4600 Dortmund Verfahren zur aufbereitung von kondensat aus harnstoff-produktionsanlagen
DE3814819A1 (de) * 1988-05-02 1989-11-16 Wieland Edelmetalle Verfahren und vorrichtung zur behandlung nitrithaltiger abwaesser
FR2632808B1 (fr) * 1988-06-15 1996-08-02 Sofrechim Procede de traitement depolluant des lisiers
US5994444A (en) * 1997-10-16 1999-11-30 Medtronic, Inc. Polymeric material that releases nitric oxide
JP2006068680A (ja) * 2004-09-03 2006-03-16 Purearth Inc 脱硝用還元剤組成物およびその製造方法
WO2009032188A1 (fr) * 2007-08-29 2009-03-12 Colonial Chemical Company Procédé et système pour éliminer des impuretés d'une solution d'urée
CN106029579A (zh) * 2013-11-11 2016-10-12 菲利普.赖琴 从水去除尿素的方法
US11860075B2 (en) * 2017-11-28 2024-01-02 Organo Corporation Analyzing method and analyzing apparatus for urea
CN109553679B (zh) * 2019-02-19 2019-08-23 上海医药集团股份有限公司 高纯度乌司他丁及其制备方法和含有乌司他丁的药物组合物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744840A (en) * 1950-06-16 1956-05-08 Holly Sugar Corp Sugar purification ion exchange method and apparatus
FR1337578A (fr) * 1962-08-25 1963-09-13 Procédé de régénération des résines cationiques
US3313726A (en) * 1963-06-24 1967-04-11 Monsanto Co Process for regenerating ion exchange resins
US3655395A (en) * 1969-01-10 1972-04-11 John N Karnemaat Process for treating waste materials
US3755088A (en) * 1969-08-04 1973-08-28 Hydro Chem & Mineral Corp Internally interconnected multi-stage distillation system

Also Published As

Publication number Publication date
US4188292A (en) 1980-02-12
FR2268759A1 (en) 1975-11-21
DE2512718A1 (de) 1975-11-06
IT1034767B (it) 1979-10-10
JPS50139549A (fr) 1975-11-07
NL7504477A (nl) 1975-10-28
FR2268759B1 (fr) 1982-04-09
CA1046665A (fr) 1979-01-16

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