Sharing our knowledge: Position papers At Nera, we believe that sharing our extensive knowledge on Zeology tanning contributes to a more sustainable leather value chain. Therefore, we are making make our insights, experience and knowledge of Zeology available through the University of Zeology. As we are continuously gaining more insights, we will be making new knowledge available regularly. Learn more about how you can contribute to a more sustainable leather value chain, by choosing zeolite-based tanning with Zeology. Dive in! How to tan leather? There are 6 common steps in tanning leather. It starts with soaking and liming. Read more Three important certifications for Zeology Quality and safety of our products are of the utmost importance to us and certifications help us prove that Zeology complies with international industry standards and legal requirements. Read more Responsible sourcing of aluminium/bauxite for Zeology As of 2022 Nera has been using zeolite that has been produced from ATH that is certified according to the Aluminium Stewardship Initiative1 (ASI) standards. Read more Publication: Modified zeolites as sustainable alternatives to traditional tanning chemistries The journal Green Chemistry has published a scientific paper on modified zeolites (Zeology) as the sustainable, versatile and game-changing alternative in leather tanning. Read more Biodegradability of Zeo White The biodisintegration of Zeo White is found to be rapid and results in almost complete compostability and aqueous biodegradation. Read more Zeology, a perfect fit for white leather Zeo White's bright white color enables white leather, and lighter and brighter colors than were ever possible before. Read more What is a metal tannage? The type of metal tannage that receives the most media attention is the chrome tannage. Read more The tanning processes Discover how the Zeology tanning processes work. Read more The main benefits of Zeology The main benefit of Zeology is for the environment: less polution. Discover the benefits for brands and tanneries. Read more Zeology & sustainability Zeology’s main benefit is for the environment: less pollution, less discharge of chemicals in waste and waste water. Read more What is zeolite? Zeolite explained What are zeolites and how can it be used in leather tanning? Read more Zeology and waste stream The waste streams that arise from the tanning and tanned leather are typically shavings, clippings and sludge. Read more Tanning chemicals: what are the options? Read all about chrome tanning, vegetable tanning and chrome-free tanning methods. Read more Effluent Treatment Plant (ETP) In the Effluent Treatment Plant, all the liquid streams of the Zeology tanning process are treated to be reused or ready for disposal. Read more Want to learn more about Zeology? CHECK OUT ALL OUR UNIVERSITY ITEMS
