DE69606378D1 - Überwachung der mikrobiologischen Aktivität in einem Flüssigkeitssystem - Google Patents

Überwachung der mikrobiologischen Aktivität in einem Flüssigkeitssystem

Info

Publication number
DE69606378D1
DE69606378D1 DE69606378T DE69606378T DE69606378D1 DE 69606378 D1 DE69606378 D1 DE 69606378D1 DE 69606378 T DE69606378 T DE 69606378T DE 69606378 T DE69606378 T DE 69606378T DE 69606378 D1 DE69606378 D1 DE 69606378D1
Authority
DE
Germany
Prior art keywords
monitoring
fluid system
microbiological activity
microbiological
activity
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69606378T
Other languages
English (en)
Other versions
DE69606378T2 (de
Inventor
Narasimha M Rao
John E Hoots
Nhuan P Nghiem
Paul R Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69606378D1 publication Critical patent/DE69606378D1/de
Publication of DE69606378T2 publication Critical patent/DE69606378T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/14—Nitrogen-containing compounds
    • C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
DE1996606378 1995-11-09 1996-11-05 Überwachung der mikrobiologischen Aktivität in einem Flüssigkeitssystem Expired - Fee Related DE69606378T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55616095A 1995-11-09 1995-11-09

Publications (2)

Publication Number Publication Date
DE69606378D1 true DE69606378D1 (de) 2000-03-02
DE69606378T2 DE69606378T2 (de) 2000-07-06

Family

ID=24220146

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996606378 Expired - Fee Related DE69606378T2 (de) 1995-11-09 1996-11-05 Überwachung der mikrobiologischen Aktivität in einem Flüssigkeitssystem

Country Status (4)

Country Link
EP (1) EP0773298B1 (de)
CA (1) CA2189948A1 (de)
DE (1) DE69606378T2 (de)
ES (1) ES2143722T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8309110B2 (en) 1998-11-16 2012-11-13 Sk Chemicals Co., Ltd. Biocide composition and sterilization method using the same
US6472219B1 (en) 2000-08-31 2002-10-29 Ondeo Nalco Company Use of tracers to monitor application of treatment products to cut flowers
AU2004278552A1 (en) * 2003-09-30 2005-04-14 Pml Applications Ltd. Method for water testing and devices and kit of components for use in such a method
WO2018087996A1 (ja) * 2016-11-14 2018-05-17 株式会社竹中工務店 地盤注入剤濃度推定システム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108790A (en) * 1971-11-02 1978-08-22 Exxon Research & Engineering Co. Corrosion inhibitor
JPS5923479B2 (ja) 1978-06-22 1984-06-02 三菱電機株式会社 半導体発光装置の製造方法
US4783314A (en) 1987-02-26 1988-11-08 Nalco Chemical Company Fluorescent tracers - chemical treatment monitors
US4992380A (en) 1988-10-14 1991-02-12 Nalco Chemical Company Continuous on-stream monitoring of cooling tower water
US5041386A (en) 1988-12-19 1991-08-20 Nalco Chemical Company Concentration cycles, percent life holding time and continuous treatment concentration monitoring in boiler systems by inert tracers
US4966711A (en) 1989-02-27 1990-10-30 Nalco Chemical Company Transition metals as treatment chemical tracers
US5132096A (en) 1990-03-23 1992-07-21 Nalco Chemical Company Monitoring performance of a water treating agent by measuring and resolving optical voltage analogs
US5006311A (en) 1990-03-23 1991-04-09 Nalco Chemical Company Monitoring performance of a treating agent added to a body of water
CA2040114A1 (en) 1990-07-09 1992-01-10 Albert Van Grouw, Iii Method and system for continuously monitoring and controlling a process stream for dechlorination residual
US5171450A (en) * 1991-03-20 1992-12-15 Nalco Chemical Company Monitoring and dosage control of tagged polymers in cooling water systems
US5252602A (en) 1991-10-11 1993-10-12 Rafeul Alam Effects of misoprostol on allergic responses
ES2101201T3 (es) * 1992-11-30 1997-07-01 Nalco Chemical Co Inhibidor de la corrosion microbiologicamente estable de metales amarillos.
US5435969A (en) * 1994-03-29 1995-07-25 Nalco Chemical Company Monitoring water treatment agent in-system concentration and regulating dosage
CN1069162C (zh) * 1994-05-02 2001-08-08 诺尔科化学公司 用作改进的抗微生物剂的荧光杀生物剂组合物
US5503775A (en) * 1994-05-09 1996-04-02 Nalco Chemical Company Method of preventing yellow metal corrosion in aqueous systems with superior corrosion performance in reduced environmental impact
US5550032A (en) * 1994-05-27 1996-08-27 George Mason University Biological assay for microbial contamination

Also Published As

Publication number Publication date
EP0773298A1 (de) 1997-05-14
DE69606378T2 (de) 2000-07-06
CA2189948A1 (en) 1997-05-10
ES2143722T3 (es) 2000-05-16
EP0773298B1 (de) 2000-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee