CA1143367A - Diffusion element - Google Patents

Diffusion element

Info

Publication number
CA1143367A
CA1143367A CA000345502A CA345502A CA1143367A CA 1143367 A CA1143367 A CA 1143367A CA 000345502 A CA000345502 A CA 000345502A CA 345502 A CA345502 A CA 345502A CA 1143367 A CA1143367 A CA 1143367A
Authority
CA
Canada
Prior art keywords
element according
diffusion element
zone
diffusion
gas discharge
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
Application number
CA000345502A
Other languages
English (en)
French (fr)
Inventor
Lloyd Ewing
David T. Redmon
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.)
Water Pollution Control Corp
Original Assignee
Water Pollution Control Corp
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 Water Pollution Control Corp filed Critical Water Pollution Control Corp
Priority to CA000345502A priority Critical patent/CA1143367A/en
Application granted granted Critical
Publication of CA1143367A publication Critical patent/CA1143367A/en
Priority to DE69428457T priority patent/DE69428457D1/de
Priority to AT94903999T priority patent/ATE206121T1/de
Priority claimed from PCT/JP1994/000005 external-priority patent/WO1995018805A1/ja
Expired legal-status Critical Current

Links

Landscapes

  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
CA000345502A 1980-02-12 1980-02-12 Diffusion element Expired CA1143367A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA000345502A CA1143367A (en) 1980-02-12 1980-02-12 Diffusion element
DE69428457T DE69428457D1 (de) 1980-02-12 1994-01-06 1,4-benzoxazin-2-essigsäureverbindung, verfahren zu ihrer herstellung und ihre verwendung
AT94903999T ATE206121T1 (de) 1980-02-12 1994-01-06 1,4-benzoxazin-2-essigsäureverbindung, verfahren zu ihrer herstellung und ihre verwendung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000345502A CA1143367A (en) 1980-02-12 1980-02-12 Diffusion element
PCT/JP1994/000005 WO1995018805A1 (fr) 1992-09-21 1994-01-06 Compose d'acide 1,4-benzoxazine-2-acetic, son procede de production et son utilisation

Publications (1)

Publication Number Publication Date
CA1143367A true CA1143367A (en) 1983-03-22

Family

ID=37709769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345502A Expired CA1143367A (en) 1980-02-12 1980-02-12 Diffusion element

Country Status (3)

Country Link
AT (1) ATE206121T1 (de)
CA (1) CA1143367A (de)
DE (1) DE69428457D1 (de)

Also Published As

Publication number Publication date
DE69428457D1 (de) 2001-10-31
ATE206121T1 (de) 2001-10-15

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Legal Events

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