Frontiers in Leather Processing: “A Transposed Process – Beginning Where Conventional Process Ends” Central Leather Research Institute, Adyar, Chennai. Current leather processing involves four important sets of processes, viz., pre- tanning, tanning, post-tanning and finishing. It includes a combination of single and multi-step processes that employs as well as expels various organic and inorganic materials. One of the process inefficiency is that the conventional ...
CLEANER LEATHER TANNING PROCESS USING GAMBIR: THE INFLUENCE OF REBATING ON THE PROPERTIES OF LEATHER CLEANER LEATHER TANNING PROCESS USING GAMBIR: THE INFLUENCE OF REBATING ON THE PROPERTIES OF LEATHER 1* 1 1 2 Gresy GRIYANITASARI , Dona RAHMAWATI , SUGIHARTONO , Yuny ERWANTO 1 Center for Leather, Rubber, and Plastics, Ministry of Industry, Jl. Sokonandi no. 9 Yogyakarta 55166, Indonesia 2 Department of Animal Product Technology, Faculty ...
Phase-out of chromium (III) in leather tanning This case study aims to illustrate an alternative process. It is based on publicly available information on company's experience as well as on substance hazards, alternatives to the hazardous substance and regulatory information. The case study is neither complete nor comprehensive in illustrating all substitution options of a substance but rather exemplary. 1. Case description The conversion ...
Resources, Conservation and Recycling 38 (2003) 185 /212 www.elsevier.com/locate/resconrec Sustaining tanning process through conservation, recovery and better utilization of chromium K.J. Sreeram*, T. Ramasami Central Leather Research Institute, Adyar, Chennai 600 020, India Received 2 July 2002; accepted 15 October 2002 Abstract Leather is a unique material unmatched in properties by synthetics. Leather making is an environmentally challenged process. Tanning is the ...
GUIDELINE FOR LEATHER MANUFACTURERS Version 1.0 April 2018 G-Star Raw C.V. TABLE OF CONTENTS FOREWORD page 3 SECTION 1 – CHROMIUM (VI) PROHIBITION IN LEATHER PRODUCTS page 4 1.1 CURRENT SITUATION page 4 1.2 STATURTORY REGULATIONS page 4 1.3 SCIENTIFIC STATUS page 5 1.4 CLASSIFICATION OF LEATHER page 5 SECTION 2 – THE USE OF CHROMIUM SALTS IN THE ...
9.15 Leather Tanning 1-4 9.15.1 General Leather tanning is the process of converting raw hides or skins into leather. Hides and skins have the ability to absorb tannic acid and other chemical substances that prevent them from decaying, make them resistant to wetting, and keep them supple and durable. The surface of hides and skins contains the hair and oil glands and ...
U.P.B. Sci. Bull., Series C, Vol. 77, Iss. 3, 2015 ISSN 2286-3540 A MULTI-AGENT APPROACH FOR LEATHER PROCESSING MONITORING AND QUALITY CONTROL 1 2 Sergiu-Adrian GU , Ioan DUMITRACHE Currently there is no reliable mechanism available to allow continuous monitoring of all process conditions and leather characteristics inside the closed reactors during leather processing, so no real control. Conditions inside the reactors can only ...
Innovating chrome tanning process with excellent exhaustion U. Sammarco International Leather Consultant - Abstract Over the last 30 years leather technology literature has been dominated by ways to reduce the environmental impact of leather production and techniques to reduce the discharge of chromium reagents have been a significant element in these endeavours. At present, no tanning agent is able to replace completely the basic chromium ...
9 August 2000 UNITED NATIONS INDUSTRIAL DEVELOPMENT ORGANIZATION _______________________________________________________________ US/RAS/92/120 Regional Programme for Pollution Control in the Tanning Industry in South-East Asia MASS BALANCE IN LEATHER PROCESSING Prepared by J. Buljan, G. Reich, J. Ludvik Project Manager J. Buljan Agro-Industries and Sectoral Support Branch _____________________________________________________________________________________________ This report has not been edited. The views presented are those of the author and are not necessarily shared by ...
International Journal of Scientific and Research Publications, Volume 9, Issue 12, December 2019 212 ISSN 2250-3153 Trends in leather processing: A Review Peter Maina, Moses A Ollengo and Esther W Nthiga School of Science, Department of Chemistry, Dedan Kimathi University of Technology DOI: 10.29322/IJSRP.9.12.2019.p9626 http://dx.doi.org/10.29322/IJSRP.9.12.2019.p9626 Abstract- Tanning is the process by which raw ...
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