IT1034767B - Processo per la purificazione di correnti di scarto contenenti urea - Google Patents

Processo per la purificazione di correnti di scarto contenenti urea

Info

Publication number
IT1034767B
IT1034767B IT21904/75A IT2190475A IT1034767B IT 1034767 B IT1034767 B IT 1034767B IT 21904/75 A IT21904/75 A IT 21904/75A IT 2190475 A IT2190475 A IT 2190475A IT 1034767 B IT1034767 B IT 1034767B
Authority
IT
Italy
Prior art keywords
purification
containing urea
currents containing
waste
waste currents
Prior art date
Application number
IT21904/75A
Other languages
English (en)
Original Assignee
Standard Oil Co Ohio
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 by Standard Oil Co Ohio filed Critical Standard Oil Co Ohio
Application granted granted Critical
Publication of IT1034767B publication Critical patent/IT1034767B/it

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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Treating Waste Gases (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
IT21904/75A 1974-04-24 1975-04-01 Processo per la purificazione di correnti di scarto contenenti urea IT1034767B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1034767B true IT1034767B (it) 1979-10-10

Family

ID=23840226

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21904/75A IT1034767B (it) 1974-04-24 1975-04-01 Processo per la purificazione di correnti di scarto contenenti urea

Country Status (8)

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

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
US7914682B2 (en) * 2007-08-29 2011-03-29 Colonial Chemical Company Method for removing impurities from a urea solution
JP2016536125A (ja) * 2013-11-11 2016-11-24 フィリッペ ライチェン 水から尿素を除去する方法
WO2019107045A1 (ja) * 2017-11-28 2019-06-06 オルガノ株式会社 尿素の分析方法及び分析装置
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
BE828141A (fr) 1975-10-20
NL7504477A (nl) 1975-10-28
DE2512718A1 (de) 1975-11-06
FR2268759B1 (it) 1982-04-09
JPS50139549A (it) 1975-11-07
CA1046665A (en) 1979-01-16

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