24 September 2021 Leather Waste Recycling – The impact of Zeology on wastestreams The waste streams that arise from the tanning and tanned leather are typically shavings, clippings and sludge. With the use of Zeology, these mainly contain zeolite, as well as the natural collagen. – waste streams are typically heavy metal-free, white… Continue reading Leather Waste Recycling – The impact of Zeology on wastestreams