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Characterization and ecotoxicity studies of tannery wastes envisagine environmental impact assesment / Buddhadeb Chattopadhyay in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 9 (11/1999)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCIV, N° 9 (11/1999) . - p. 337-346 Titre : Characterization and ecotoxicity studies of tannery wastes envisagine environmental impact assesment Type de document : texte imprimé Auteurs : Buddhadeb Chattopadhyay, Auteur ; Ranjan Gupta, Auteur Année de publication : 1999 Article en page(s) : p. 337-346 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : This work was initiated to study the physico-chemical and biological conditions of the tannery effluent and their influence on the east Calcutta wetland ecosystem. Temperature, DO, BOD, COD, TDS, TSS, Conductivity, Total hardness, Chloride content, pH, Phosphates, Nitrates, Acidity and Alkalinity were recorded from four different spots on the sewage carrying canals in the eastern Calcutta (Lat. 22o33’-22o40’ N; long. 88o25’-88o 35’ E). Concentrations of heavy metals as Pb, Cu, Cr, Zn, Fe and Mn in tannery wastewater's and tannery sludge were also determined. Accumulation of these metals in different plant parts and fish organs were also studied. East Calcutta wetland ecosystem exhibited significant ameliorative role in waste stabilization and managing hazardous pollutants. En ligne : https://drive.google.com/file/d/18FGxq65GqRoxZmW6ZVCXzZEmOrOxLM0R/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4411 [article]

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Developments in drum dying - Powder vs liquid dyes / Jurgen Brosi in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 9 (11/1999)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCIV, N° 9 (11/1999) . - p. 347-350 Titre : Developments in drum dying - Powder vs liquid dyes Type de document : texte imprimé Auteurs : Jurgen Brosi, Auteur Année de publication : 1999 Article en page(s) : p. 347-350 Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Powder dyes have been used inleather dyeing for decades. In recent years there has been a great deal of interest in liquid dyes. Comparison will be made between powder and liquid dyes with consideration given to ecology, performance, and economy. Note de contenu : - COMPARISON OF POWDER AND LIQUID DYES : Positives of powder dyes - Negatives of powder dyes - Positives of liquid dyes - Negatives of liquid dyes En ligne : https://drive.google.com/file/d/1e44KociHGHudjQDNm4M-V75gzm3gqIuD/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4526 [article]

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Implementation of best management practices in the leather industry / Stuart Lang in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 9 (11/1999)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCIV, N° 9 (11/1999) . - p. 351-354 Titre : Implementation of best management practices in the leather industry Type de document : texte imprimé Auteurs : Stuart Lang, Auteur Année de publication : 1999 Article en page(s) : p. 351-354 Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Note de contenu : - THE 20 KEYS - BENCHMARKING - IMPLEMENTING THE KEYS : Organisational stucture - Implementation timing - BENEFITS En ligne : https://drive.google.com/file/d/1hfBD3cOj2-6ifYJIjK0DpTl6qXxkWjhj/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4527 [article]

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Advances is stabilized enzymes for leather processing / Percy A. Jaquess in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 9 (11/1999)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCIV, N° 9 (11/1999) . - p. 355-361 Titre : Advances is stabilized enzymes for leather processing Type de document : texte imprimé Auteurs : Percy A. Jaquess, Auteur ; Naim B. Miguel, Auteur ; Michael E. Elmore, Auteur Année de publication : 1999 Article en page(s) : p. 355-361 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Fifteen years ago almost all of the enzymes available for leather processing were derived from animal pancreatic tissue and were supplied for use in powdered form. Leahter manufacturers had few enzymatic products to select from in order to assist in processing hides and skins. However, technological advances within the last decade have ushered in a new era of enzymatic products derived from microorganisms. These enzymes, for the most part, are in liquid form and assist the multiple aspects of leather processing such as wetting or soaking, dehairing, degreasing, opening up of the fiber structure and softening. Modern day manufacturers and suppliers of enzymatic products have advanced stability of these biochemical catalysts to new heights with state of the art innovation in design and formulation. Our work has investigated and exploited many of these technological advances in stabilizing enzymes. This has afforded the leather manufacturer flexibility and confidence in producing high quality leathers with efficiency of time and cost. Note de contenu : - Benefits of thermostable liquid enzymes - introduction - Strategies for stabilizing liquid enzymes - Soluble additives - Synthetic polymers - Protein engineering for stability En ligne : https://drive.google.com/file/d/1C-N4sOIQ0ubDvQxe6KhJOKbzoUV4RphV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4528 [article]

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