Enhancing the Safety and Quality of Fish Export: A Practical Approach for Seawater Treatment in Fish Preservation
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DOI:
https://doi.org/10.59287/ijanser.379Keywords:
Fish Preservation, Membrane, Microfiltration, Adsorption, Seawater TreatmentAbstract
European Union Standards emphasise that fish imported from a select few countries is frequently polluted with contaminants. The seawater used for fish preservation is a significant source of contamination, thus aggressive steps must be made to treat it to ensure the safety of export fish. Using current techniques, seawater is settled overnight, however, this does not completely remove all pollutants. This problem has been addressed by applying a system comprised of microfiltration membrane and activated carbon to treat seawater used for fish preservation. Turbidity is effectively reduced by more than 98%, and total suspended solids (TSS) are efficiently reduced within the 70-90% range. Additionally, total organic carbon (TOC), which determines the concentration of organic pollutants, can be reduced by 85-90% through activated carbon adsorption. The design approach is appropriate since necessary salty compounds or ions either remain after treatment or experience only small reduction as proven by total dissolved solids (TDS) measurement.
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