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The recycling of table olive brine using ultrafiltration and activated carbon adsorption

1992; Elsevier BV; Volume: 17; Issue: 4 Linguagem: Inglês

10.1016/0260-8774(92)90046-9

1873-5770

António Garrido, Pedro Garcı́a, Manuel Brenes,

Botanical Research and Applications

Brines from green table olive processing are a highly polluted waste water which, at present, are discarded with the other liquid residues of the packing factories. They are thus difficult to treat at both plant and municipal treatment facilities. Their recycling could eliminate about 80% of the total pollution and facilitate treatment of the remaining liquid wastes. Field tests showed that recycling of such brines after treatment with both 0·6% (w/v) of activated carbon and ultrafiltration through a polysulphone membrane of 1000 daltons pore size can produce quantities of brine that, with minor composition adjustments, can be added to the solution employed for packing the final product. This can then be used in other operations where brine is required. A possible design of the regeneration process is also proposed.