CATEGORY: MEMBRANES
Desalination, Volume 293, 1 May 2012, Pages
87–93
Coke removal from petrochemical oily wastewater
using γ-Al2O3
based ceramic microfiltration membrane
Sayed Siavash Madaeni a, Hossein Ahmadi Monfared
a, Vahid Vatanpour a, Ahmad Arabi Shamsabadi b, Ehsan Salehi a, Parisa Daraei
a, Saeed Laki b, Sayed Mehdi Khatami b
a Membrane Research Center, Department of Chemical Engineering, Razi
University, Kermanshah 67149, Iran
b Marun Petrochemical Co., Mahshahr, Iran
Abstract
Petrochemical plants must
contend with the destruction of coalescer filters by coke particlesin their
polyolefin units. Researchers used a γ-Al2O3 based ceramic microfiltration membrane to
remove coke particles from petrochemical wastewater before introduction to the
coalescers. The result was complete elimination of coke particles from the
wastewater.
They studied the influence
of temperature and various operating conditions, including filtration time and
reusability. Results showed that the extent of volatile organic compounds (VOC)
was not noticeably changed after the process. However, suspended solids were
effectively retained by the ceramic membrane. This suggests that most of the
light organic compounds, such as gasoline, passed through the membrane but coke
particles did not.
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