The Impact of Assimilable Organic Carbon on Biological Fouling of Reverse Osmosis Membranes in Seawater Desalination

2021 ◽  
Author(s):  
Lauren A. Weinrich
Author(s):  
Mengying Jiang ◽  
Li-Ye Chen ◽  
Qian Zou ◽  
Siwei Xiong ◽  
Peigen Fu ◽  
...  

Reverse osmosis (RO) membrane technology, as an effective and eco-friendly method, has been widely used for seawater desalination and sewage treatment. However, RO membranes inevitably suffer serious organic and biological...


Membranes ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 40
Author(s):  
Latifah Abdul Ghani ◽  
Nora’aini Ali ◽  
Ilyanni Syazira Nazaran ◽  
Marlia M. Hanafiah

Seawater desalination is an alternative technology to provide safe drinking water and to solve water issues in an area having low water quality and limited drinking water supply. Currently, reverse osmosis (RO) is commonly used in the desalination technology and experiencing significant growth. The aim of this study was to analyze the environmental impacts of the seawater reverse osmosis (SWRO) plant installed in Kampung Pantai Senok, Kelantan, as this plant was the first installed in Malaysia. The software SimaPro 8.5 together with the ReCiPe 2016 database were used as tools to evaluate the life cycle assessment (LCA) of the SWRO plant. The results showed that the impact of global warming (3.90 kg CO2 eq/year) was the highest, followed by terrestrial ecotoxicity (1.62 kg 1,4-DCB/year) and fossil resource scarcity (1.29 kg oil eq/year). The impact of global warming was caused by the natural gas used to generate the electricity, mainly during the RO process. Reducing the environmental impact can be effectively achieved by decreasing the electricity usage for the seawater desalination process. As a suggestion, electricity generation can be overcome by using a high-flux membrane with other suitable renewable energy for the plant such as solar and wind energy.


Membranes ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 781
Author(s):  
Federico Leon ◽  
Alejandro Ramos ◽  
S. Ovidio Perez-Baez

This article shows the optimization of the reverse osmosis process in seawater desalination plants, taking the example of the Canary Islands, where there are more than 320 units of different sizes, both private and public. The objective is to improve the energy efficiency of the system in order to save on operation costs as well as reduce the carbon and ecological footprints. Reverse osmosis membranes with higher surface area have lower energy consumption, as well as energy recovery systems to recover the brine pressure and introduce it in the system. Accounting for the operation, maintenance and handling of the membranes is also important in energy savings, in order to improve the energy efficiency. The energy consumption depends on the permeate water quality required and the model of the reverse osmosis membrane installed in the seawater desalination plant, as it is shown in this study.


Desalination ◽  
2016 ◽  
Vol 392 ◽  
pp. 8-13 ◽  
Author(s):  
Sophie C. Leterme ◽  
Charlotte Le Lan ◽  
Deevesh A. Hemraj ◽  
Amanda V. Ellis

2020 ◽  
Vol 28 (3) ◽  
pp. 733-742 ◽  
Author(s):  
Santiago Gutiérrez Ruiz ◽  
Juan Antonio López-Ramírez ◽  
Mohammed Hassani Zerrouk ◽  
Agata Egea-Corbacho Lopera ◽  
José María Quiroga Alonso

2000 ◽  
Vol 41 (10-11) ◽  
pp. 1-8 ◽  
Author(s):  
Y. Magara ◽  
M. Kawasaki ◽  
M. Sekino ◽  
H. Yamamura

The seawater desalination facilities by reverse osmosis membranes in the world are reviewed. The largest seawater desalination facility using reverse osmosis started its operation at Chatan water purification plant in Okinawa prefectural water works. The high-efficiency seawater desalination technology which improves the recovery ratio of fresh water up to 60% developed by a manufacturing company of reverse osmosis membranes in Japan is explained. Finally the state of the art of desalination technology development using reverse osmosis membranes is discussed.


2010 ◽  
Vol 77 (3) ◽  
pp. 1148-1150 ◽  
Author(s):  
Lauren A. Weinrich ◽  
Orren D. Schneider ◽  
Mark W. LeChevallier

ABSTRACTA bioluminescence-based assimilable organic carbon (AOC) test was developed for determining the biological growth potential of seawater within the reverse osmosis desalination pretreatment process. The test usesVibrio harveyi, a marine organism that exhibits constitutive luminescence and is nutritionally robust. AOC was measured in both a pilot plant and a full-scale desalination plant pretreatment.


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