호주 Adelaide 소재의 Osmosflo사에서 공급되는 선박적재형 SWRO 플랜트에 의하여 호주 북부의 가스유전 지역에 음용수 및 공정수를 공급할 예정이다.
한국의 대우해양조선과 삼성중공업은 액체천연가스(LNG) 및 hydrocarbon의 회수용 선박건조사로 Osmoflo사를 선정, 2척의 선박이 현재 건조중이며 그 중 하나는 single pass RO로 2개 train으로 100㎥/일 규모, 음용수 수준의 물을 생산하는 설비이며 후 공정으로 remineralization, UV 살균, mixed-resin conditioning 처리를 거쳐 터빈 제너레이터 사용 목적의 고순도 공정용수를 생산한다. 다른 하나는 two-pass RO를 거쳐 2개 train으로 구성, 150㎥/일 규모의 음용수를 생산하는 것이다.
[원문보기]
Osmoflo to supply two ship-mounted ROs to gas field
Potable and process water is to be supplied to a gas field north of Australia by ship-mounted seawater reverse-osmosis (RO) plants supplied by Adelaide-based desalination specialist Osmosflo.
South Korean conglomerates Daewoo Shipbuilding Marine Engineers and Samsung Heavy Industries selected Osmoflo to supply crews involved in the recovery of liquefied natural gas (LNG) and hydrocarbons from the Ichthys field in the Timor Sea.
Two vessels are currently under construction in South Korean yards. On one Osmoflo will provide a single-pass RO plant consisting of two 100 m³/d) trains which will process seawater to potable standard. Further treatment including remineralisation, ultra violet (UV) sterilisation and non-regenerable mixed-bed resin conditioning will provide high-purity process water which will be used to clean generator turbine blades.
The second ship will have a two-pass RO system in two 150 m³/d trains to process seawater for potable requirements.
Both plants are being constructed at Osmoflo's main facility in Burton will be of robust design and will be configured to meet stringent oil and gas industry, marine and environmental requirements. They will be fitted and commissioned before the vessels leave the shipyards.
The ships will be permanently moored at a location some 440 km north of Broome and 800 km from Darwin. The first will partially process recovered gas to remove water, raw liquids and condensate prior its transportation by pipeline to an on-shore processing facility at Blaydon Point, Darwin.
Condensate and other liquids will be transferred to the second vessel for further processing and subsequent transfer by tanker to a refinery. While the vessels are on station, Osmoflo will provide continuing operations and maintenance support.
Osmoflo has previous experience in ship-mounted reverse-osmosis desalination. At one stage during the construction of an LNG processing facility at Barrow Island - part of the Gorgon project - Osmoflo provided a plant mounted on the deck of an oil-rig supply vessel which dealt with a temporary spike in desalinated water requirements.
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