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Abstract
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Produced water (PW) is the largest by-product of oil and gas production, which
has a serious impact on water pollution in the offshore oil and gas industry. In
industrial processes, it is necessary to separate hydrocarbons and oil along with
water by methods such as gravity sedimentation, enhanced gravity
sedimentation, and hydrocyclones from produced water. However,
conventional technologies cannot achieve optimal separation requirements in a
compact space under extreme conditions, such as emulsions and large volumes
of PW. The PW treatment system must be green and efficient in order to benefit
from the extensive exploration, production of offshore oil and gas in the future.
Therefore, factors such as improving the purification efficiency, reducing the
space occupation and the cost of practical use of a PW purification process on
an offshore operational scale along with the new method of Combined fibers
coalescence were investigated according to the operational works.
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