Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Leather industry"”.
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Study of Neem bark tannins for the leather industry
… tannin tanned and crosslinked hide powder and leathers was found to be paralleled to mimosa tannin extract. Studies of the physical properties of tanned and retanned leathers showed corn pai.ahility of micem bark tannins with mimosa tannin extract
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Understanding the Microfoundations of Environmental Improvement in SMEs: A Comparative Analysis of Pakistan’s Leather Industry
… study examines the environmental behaviour of leatherworking SMEs in Pakistan. It investigates the environmental drivers, enablers and barriers in these firms. The study makes an empirical contribution by examining an under-researched developing economy context, Pakistan, which has distinct …
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Sustainability in the Leather Industry: Exploring the relationship between Social Sustainability Drivers, Practices and Indicators
… increasingly recognised by business, in the leather industry the focus has been on environmental sustainability rather than the social aspect. This research has purposely looked to explore that gap by investigating the social sustainability drivers, their relationship with social …
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Biodegradation of leather solid waste
Waste management in the leather industry worldwide is an issue of major importance for both solid and liquid wastes. It has been recognised that there are major environmental impacts from the poorly managed disposal of such wastes and these have a clear health impact upon human society. Within …
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Tannin content of English walnuts : thesis ...
<p>Present methods for the production of leather from animal hides still depend from the most part on the use of natural tannin extracts. During the year, 1952, the amount of natural tannin extracts used by the leather industry was 560,452,119 pounds as compared to 35,793,000 pounds of synthetic …
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Life, Art, and Industry: A History of the English and Welsh Leather Economy, 1700-1900
… of the transformation of the English and Welsh leather economy from predominantly small-scale localised economy, striving to meet local leather demands, into a modern industrialised sector. Sometime between the eighteenth and nineteenth centuries, prior to the widespread use of modern chrome …
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Extraction, characterisation and application of gelatin from chrome-tanned leather waste
The most significant problem of the tanning industry is waste generation. The presence of chromium in leather waste represents a potential hazard due to the possibility of Cr(III) being converted to its toxic state, Cr(VI). The treatment of chrome-tanned leather waste described in this research …
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Development of an artificial neural network model to predict expert judgement of leather handle from instrumentally measured parameters
Leather is a widely used material whose handling character is still assessed manually by experienced people in the leather industry. The aim of this study was to provide a new approach to such characterisation by developing Artificial Neural Network models to investigate the relationship between …
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An anthropological investigation into the facial preservation of ceremonial tsantsa and commercial shrunken heads
… a tendency for symptoms recognised in the leather industry as ‘double hiding’ and ‘drawn grain’.<br/><br/>• Commercial heads were identified to retain the epidermis in 64% of cases; 72% favoured ‘baseball’ stitches for suturing incisions; nostril shape was less distorted with 43% presenting …
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A problemática do desempenho ambiental na indústria de curtumes : o estudo de caso das indústrias do concelho de Alcanena
A Indústria de Curtumes, a mais importante no concelho de Alcanena, pertence a um dos sectores da actividade económica com maior incidência ambiental, resultado do processo de curtimento das peles dos animais. O processo de curtimento gera várias fontes de poluição, quer por descarga de efluentes – …
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Evaluation of pollution potential and bioremediation of tannery-based chromium wastes in Sub-Saharan Africa: the case of dump sites in Beit Ore Tannery in South Africa and Dogbone Tannery in Kenya
The leather tanning technology is one of the oldest industry in humankind’s civilisation history. It converts raw hides and skins into non-putrescible products used in making various leather materials. Globally, Africa accounts for 4% of the world leather production and 3.3% of value addition in …
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Evaluación técnica ambiental del Proceso de Producción de Cuero Libre de Cromo utilizando Tara (Caesalpinia spinosa)
En la industria de la curtiembre se utilizan importantes cantidades de cromo como agente curtidor lo cual genera preocupación por sus impactos ambientales y a la salud humana. La razón por la cual se sigue utilizando este metal es debido a que le concede al cuero características deseadas en el …