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The influence of pipe geometry on scale growth rate for a super-saturated caustic-aluminate solution

conference contribution
posted on 06.12.2017, 00:00 by S Nawrath, Mohammad KhanMohammad Khan, M Welsh
Scale growth in alumina refineries occurs where supersaturated solutions come in contact with solid surfaces. Whilst some scale formations may prove beneficial in protecting equipment and pipe surfaces from chemical attack or abrasion, more commonly its deposition results in reduced equipment performance and plant productivity. It is estimated that the direct cost of scale removal may contribute as much as one quarter of the operational costs of an alumina refinery. The rate of scale growth in pipe work, consisting of straight pipes connected by reducers (contractions) located in the precipitation area of an alumina refinery, is approximately 60% higher in the reducers than it is in the straight pipes.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Start Page

1251

End Page

1256

Number of Pages

6

Start Date

01/01/2005

ISBN-10

9834172826

Location

Kuala Lumpur, Malaysia

Publisher

CNPAM, University of Malaysia

Place of Publication

Malaysia

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Name of Conference

International Conference on Recent Advances in Mechanical & Materials Engineering

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