Silica Scaling Trial and Injection of Cold Separated Geothermal Water at Wairakei, New Zealand
- Key words
- silica, scaling, deposition, reinjection, Wairakei
- Location
- Wairakei, New Zealand
- Conference
- New Zealand Geothermal Workshop
- Year
- 2013
- Language
- English
Full text
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Abstract
The depositional characteristics that might be associated with the injection of cold separated geothermal water (SGW) were investigated in a month long trial at the Wairakei geothermal field. This was achieved by passing 2000 m3 of aged and cooled SGW through a bed (250 mm diameter 4.2 m long pipe) packed with dacite chips 5-8 mm. No silica was deposited in the packed bed but
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