| 摘要 |
A filtering system comprising an inlet ( 11 ) for liquid to be filtered and an outlet ( 9 ) for filtered liquid, as well as filtering means, which system is characterized in that the filtering means, placed in series comprise: a first filter ( 2 ) comprising activated carbon with the capability to also remove particles that are larger than approximately 0.5 mum; an ultrafiltration membrane ( 5 ) for the removal of particles that are larger than approximately 0.02 mum; a post-treatment filter ( 14 ) of activated carbon, optionally provided with a microfiltration membrane ( 13 ), wherein the system also comprises a vessel ( 6 ) for filtered water located between the ultrafiltration membrane ( 5 ) and the post-treatment filter ( 14 ), with the option of using the filtered water from the vessel for back-flushing the ultrafiltration membrane ( 5 ). |
