AP9901543A0 - The decolourization of water. - Google Patents

The decolourization of water.

Info

Publication number
AP9901543A0
AP9901543A0 APAP/P/1999/001543A AP9901543A AP9901543A0 AP 9901543 A0 AP9901543 A0 AP 9901543A0 AP 9901543 A AP9901543 A AP 9901543A AP 9901543 A0 AP9901543 A0 AP 9901543A0
Authority
AP
ARIPO
Prior art keywords
water
soda
adjusted
flocculated material
decolourization
Prior art date
Application number
APAP/P/1999/001543A
Inventor
David Ian Ossin
Hercules Johannes Lombard
Megan Fourie
Allen Leslie Johnston
John Arthur Manning
Original Assignee
African Oxygen Ltd
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 African Oxygen Ltd filed Critical African Oxygen Ltd
Publication of AP9901543A0 publication Critical patent/AP9901543A0/en

Links

Landscapes

  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

A method of decolourizing water includes the steps of adjusting the ph of water to be decolourized to a value of between 8 and 12, introducing ozone into the water after the ph has been adjusted and removing flocculated material produced as a result of the ozone introduction. The ph of the water is adjusted by adding to the water either a basic substance selected from lime, limestone, caustic soda, soda, soda ash and sodium bicarbonate or an acidic substance such as carbon dioxide. The flocculated material is removed by filtration, flotation, settling or combinations thereof.
APAP/P/1999/001543A 1998-05-22 1999-05-20 The decolourization of water. AP9901543A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA984368 1998-05-22

Publications (1)

Publication Number Publication Date
AP9901543A0 true AP9901543A0 (en) 1999-06-30

Family

ID=25587020

Family Applications (1)

Application Number Title Priority Date Filing Date
APAP/P/1999/001543A AP9901543A0 (en) 1998-05-22 1999-05-20 The decolourization of water.

Country Status (2)

Country Link
AP (1) AP9901543A0 (en)
ZA (1) ZA993450B (en)

Also Published As

Publication number Publication date
ZA993450B (en) 1999-11-24

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