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WORLD LEATHER . Vol. 15, N° 3Beating the drum - in wood, stainless steel, polypropylene and fibreglass / Extending leather properties as performance expectations rise / Low temperature conversion of tannery sludges / A comparison of spray guns / Snapshots of eastern Europe, Spain, Bangladesh and PeruMention de date : 05/2002 Paru le : 15/05/2002 |
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Titre : Tannery drums : Wooden - Stainless steel - polypropylene - fibreglass a review of some recent trends and developments Type de document : texte imprimé Année de publication : 2002 Article en page(s) : p. 29-31 Langues : Anglais (eng) Catégories : Cuirs et peaux -- Foulonnage
Foulons
Tannage -- Appareils et matérielsIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Alternatives to wood as a material for the construction of tannery drums have frequently been investigated with varying degrees of success. Here to stay is the stainless steel vessel, primarily used for dyeing, milling and laboratoty work but, in some forms, also for the liming and tanning processes. Polypropylene as a medium is talked about but does not yet appear to have found its niche and fibreglass, although by no means new in this field, remains an outsider. Note de contenu : - Stainless steel
- Polypropylene
- FibreglassEn ligne : https://drive.google.com/file/d/1JFspGP3cETsJE-ePww9oD32oTqDtUwJQ/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32216
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Code-barres Cote Support Localisation Section Disponibilité 006178 - Périodique Bibliothèque principale Documentaires Disponible Leather with Lycra - a fresh category of leathers with new opportunities / Richard Daniels in WORLD LEATHER, Vol. 15, N° 3 (05/2002)
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Titre : Leather with Lycra - a fresh category of leathers with new opportunities Type de document : texte imprimé Auteurs : Richard Daniels, Auteur Année de publication : 2002 Article en page(s) : p. 39-41 Langues : Anglais (eng) Catégories : Chaussures
Cuir
Elasthanne
Elasticité
LaminageIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The properties of leather are being extended by combining leather with Lycra. Two new technologies which employ lamination of these materials have been investigated and developed by DuPont creating :
1. More recoverable stretch, being highly desired in many consumer applications for leather
2. New opportunities within the design, construction and comfort of footwear
3. A new category of leathers for fashion, leathergoods, furniture and automotive useNote de contenu : - The properties of Lycra
- Leather with Lycra in footwear
- A new category of leather
- Product development, support and licensing
- Fig. 1 : Comfort in footwear
- Fig. 2 : Material performanceEn ligne : https://drive.google.com/file/d/1ob_pmRkNQULhNHpHbam3-VZOhkihI-XS/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32217
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Code-barres Cote Support Localisation Section Disponibilité 006178 - Périodique Bibliothèque principale Documentaires Disponible Low temperature conversion of tannery sludges / G. E. Renner in WORLD LEATHER, Vol. 15, N° 3 (05/2002)
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Titre : Low temperature conversion of tannery sludges Type de document : texte imprimé Auteurs : G. E. Renner, Auteur ; H. J. Renner, Auteur ; Heinz-Peter Germann, Auteur Année de publication : 2002 Article en page(s) : p. 45-48 Langues : Anglais (eng) Catégories : Basses températures
Boues résiduaires
Cuirs et peaux -- Industrie
Déchets industriels -- Elimination
Traitement thermiqueIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : As part of the treatment of leather tanning industry effluents, waste water treatment sludges are generated. In June, 2005, new German landfill regulations (TA Siedlungsabfall) will come into force which limits the organic content of disposable waste. Consequently wastes will have to be thermally treated prior to landfilling. Tannery sludges contain non-toxic Cr(III), but when burning these residues partial oxidation to the toxic Cr(VI) occurs.
A method is therefore required to avoid this oxidation. As part of a co-operative research project supported by the BMBF (Federal Ministry for Education and Research) and a German-Brazilian environmental programme, LGR has tested the low temperature conversion on leather industry sludges in an integrated pilot plant. A particular objective was that no Cr(VI) should be produced across the process.Note de contenu : - The integrated pilot plant
- Operational Data
- Reaction products of low temperature conversion
- Heat content of the conversion products
- Energy balance
- Evaluation of the results
- Fig. 1 : Direct flue gas dryer
- Fig. 2 : Conversion system with two converters
- Fig. 3 : Conversion yield - biolog. treatment sludge
- Fig. 4 : Conversion yield - phys./chem. treatment sludge
- Fig. 5 : The influence of organic matter and temperature on oil obtained
- Fig. 6 : LTC-Product - Char
- Fig. 7 : Reduction of substances in the eluate of solid wastes for disposal
- Fig. 8 : LTC-Product - Oil
- Fig. 9 : LTC-Product - Oil
- Fig. 10 : LTC-Product - Reaction water
- Fig. 11 : LTC-Product - Reaction waterEn ligne : https://drive.google.com/file/d/11kTLmtg2bBvXxEHTCs_ZwOaZ6qvZdoOR/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32220
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Code-barres Cote Support Localisation Section Disponibilité 006178 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : A comparison of spray guns Type de document : texte imprimé Auteurs : S. Mannouch, Auteur Année de publication : 2002 Article en page(s) : p. 49-53 Langues : Anglais (eng) Catégories : Cuirs et peaux -- Finition
Système de pulvérisation (technologie)
Taille des gouttelettes
VaporisateursIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The spray finishing operation for leather is driven by three main factors:
The quality of finish
This is controlled by the method used for atomisation, as this dictates both the projected droplet size and the velocity at which it strikes the leather surface.
The speed of operation
This is controlled by the fluid flow. In turn this has consequences on the droplet size and transfer efficiency.
The efficiency of spray finishing
The efficiency of the operation influences the cost on a day-to-day basis, together with : the initial investment in the spray guns and their fluid supply system, energy requirement, maintenance and replacement of parts subject to wear, down-time taken for that maintenance and the time for set-up procedure prior to spraying.
Quality, speed and efficiency are closely linked together, and no single factor can be altered without affecting the other two. Concentrate on any one of the items in this "finishing triangle" and the operation will start to suffer problems in the other two key areas.
Two of the main types of spraying equipment are available - High Volume Low Pressure (HVLP) and Airless - and both have different starting points within this triangle.Note de contenu : - Conventional spray systems and the atomisation process
- HVLP and compliant spray systems
- Airless spray systems
- Droplet size, penetration and quality of finish
- HVLP/Compliant or Airless ?
- Panel I : Systems for the fluid sypply
- Fig. 1 : Atomisation
- Fig. 2 : Bounce Back
- Fig. 3 : Typical Droplet sizeEn ligne : https://drive.google.com/file/d/1GrTZQ6q9vVpXnRhGAL-l7r5aC2dZYVwE/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32221
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Code-barres Cote Support Localisation Section Disponibilité 006178 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Preparation for tanning : Part 2 of 9 Type de document : texte imprimé Auteurs : Richard Daniels, Auteur Année de publication : 2002 Article en page(s) : p. 56 Langues : Anglais (eng) Catégories : Chaulage
Epilage
Peaux brutes -- Trempe
Récupération (Déchets, etc.)Index. décimale : 675.2 Préparation du cuir naturel. Tannage Note de contenu : - THE SOAKING PROCESS
- UNHAIRING AND LIMING PROCESSES : Dissolving hair - Recovering hair and wool with value - "Hair saving" processes" - The liming process
- Panel 3 : vessels for wet processingEn ligne : https://drive.google.com/file/d/1lZeM-EZqs0YLs-O42q4z88ZSDRw56E1R/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32222
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Code-barres Cote Support Localisation Section Disponibilité 006178 - Périodique Bibliothèque principale Documentaires Disponible Performance characteristics : Conventional vs. three compartment vessels in WORLD LEATHER, Vol. 15, N° 3 (05/2002)
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Titre : Performance characteristics : Conventional vs. three compartment vessels Type de document : texte imprimé Année de publication : 2002 Article en page(s) : p. 33 Langues : Anglais (eng) Catégories : Corroyage
Cuirs et peaux -- Teinture
Produits de nourriture du cuir
RetannageIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Both three compartment (Y-section) vessels and drums are used in retanning, dyeing and fatliquoring operations. In their basic form both systems offer certain advantages, and these can be generalised, nevertheless, modifications can raise the performance of both systems so that differentiation is less clear. Note de contenu : - Distribution of chemicals
- Temperature and pH control
- Leather substance
- Rolling of leather pieces in process and knots
- Sensitive leathers
- Changing floats
- Contamination
- The effects of overloading
- Installation and water useEn ligne : https://drive.google.com/file/d/1Z6er_eFPM1T6xTOkyY3HXIiOJh0SY9x-/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33565
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