Arzignano chrome levels are lower, but can come down - leatherbiz: Lea Leatherbiz

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Arzignano chrome levels are lower, but can come down further

20/11/2014
Chrome levels in wastewater from the tanneries in the Arzignano cluster in northern Italy have come down, but still provide scope for further improvement. This was the assessment of the situation offered recently by Daniele Refosco, director of Acque del Chiampo, the company that runs the cluster’s common effluent treatment plant.

Speaking at the 2014 annual meeting of Italy’s leather chemists’ association, AICC, in mid-November, Mr Refosco said chrome levels in wastewater from the cluster’s 150 tanneries are “low, but still significant”.

Current legislation allows a maximum of 2 milligrammes of chrome per litre of wastewater; Daniele Refosco told the AICC meeting that the level Acque del Chiampo is detecting at the moment is 0.7 milligrammes per litre.

“Between 2004 and 2011 we saw a considerable decrease in the level,” he said, “but between 2012 and 2014 it’s gone up again, leaving us at only 4% below the levels we had in 2004.” He expressed confidence that the levels of chrome in Arzignano tanneries’ wastewater will come down further, but said there are still years of work to do on this.



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