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Adsorption performance of activated carbon from leather buffing waste / J. D. Putshak'a in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CV, N° 10 (10/2010)
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Titre : Adsorption performance of activated carbon from leather buffing waste Type de document : texte imprimé Auteurs : J. D. Putshak'a, Auteur ; I. O. Akpabio, Auteur Année de publication : 2010 Article en page(s) : p. 313-319 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : An adsorption study was carried out with powdered activated carbon (PAC) prepared from leather buffing waste by steam activation after carbonization at temperatures between 500–800°C. Adsorption performance of each activated carbon test was carried out using methylene blue, a medium sized dye molecule commonly used to determine adsorption efficiency of adsorbents. The results obtained reveal an increase in adsorption of methylene blue with decrease in temperature of carbonization indicating that lower temperature of carbonization yields carbon with greater adsorption capacity. Also, this suggests that carbonization at temperatures below 500°C may be preferred. The carbon had adsorption capacity of 90.4mg/L of a solution containing 100mg/l of the dye. The effect of time and carbon dosage on adsorption indicates that activated carbon from leather buffing waste is competitive with the reference carbon indicating it can be used to adsorb dyes, decolorize organic compounds and treat waste water. Data corresponding to the adsorption of methylene blue onto the best activated carbon produced (BD5) using the Freundlich and Langmuir adsorption isotherm model established a fit with an R2value of 0.915 and 0.989 respectively. En ligne : https://drive.google.com/file/d/1IL4pDWr4YEr0cjkiEshE60h1scsDoMIO/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10514
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CV, N° 10 (10/2010) . - p. 313-319[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 012504 - Périodique Bibliothèque principale Documentaires Disponible Adsorption properties of acid dye on amine-terminated dendritic polymer / Qiang Taotao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 3 (05-06/2017)
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Titre : Adsorption properties of acid dye on amine-terminated dendritic polymer Type de document : texte imprimé Auteurs : Qiang Taotao, Auteur ; Zhao Jing, Auteur ; Bu Qiaoqiao, Auteur ; Ren Longfang, Auteur Année de publication : 2017 Article en page(s) : p. 112-122 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorbants et adsorbants
Colorants -- Adsorption
Colorants acides
Eaux usées -- Epuration
Polymères -- Synthèse
Polymères à terminaison amine
Polymères dendritiquesIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : A series of amine-terminated dendritic polymers (ADPs) were synthesized by stepwise substitution reaction and were used as an adsorbent for removal of acid black dye NT from aqueous solution. Comparison experiments showed that the ADP-3 has good adsorption effect. Then, the effects of various parameters such as initial acid black dye NT concentration (50-300mg/L) and solution pH(1.5- 6.5) were investigated. The point of zero charge (PZC) of ADP-3 has been determined. Specific surface area and average adsorption pore size of the ADP-3 were 21.378m2/g and 3.833nm, respectively. Field scanning electron microscopy (FESEM) indicated that the adsorption material has porous structure, which provided favorable conditions for adsorption process. The experimental data were analyzed by Langmuir and Freundlich models of adsorption. Equilibrium data were fitted well with the Freundlich model. Thermodynamics parameters, ?G, ?H and ?S indicate that the adsorption of acid black dye NT onto ADPs were spontaneous and endothermic process in nature. Pseudo-first-order and pseudo-second-order kinetic models vvere used to fit the adsorption kinetic data. The adsorption kinetics was found to follow the pseudo-first-order kinetic model. Amino blocking indicated that the amine content plays an important role in the adsorption process. The adsorbent was also applied to the treatment of leather dye effluent, the results showed that ADP-3 exhibit a prominent adsorption property on leather dye effluent. Note de contenu : - EXPERIMENTAL PROCEDURES : Materials and instruments - Preparation of ADP - Contrast experiments - Characterisation of products - Adsorption experiments - Adsorption mechanism - Adsorption application in leather dye effluent
- RESULTS AND DISCUSSION : Amino contents - Contrast experiments results - The point of zero charge (PZC) of ADP-3 - Instrument characterization - Adsorption experiment results - Adsorption kinetics - Adsorption mechanism - Adsorption application in leather dye effluentEn ligne : https://drive.google.com/file/d/1Tixq7ruz2XOqaidv26cg77Xmq-D4t0cL/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28795
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 101, N° 3 (05-06/2017) . - p. 112-122[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19049 - Périodique Bibliothèque principale Documentaires Disponible Adsorptive removal of As(V) from aqueous solution by Zr(IV)-loaded skin shavings / Jiao Limin in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIV, N° 9 (09/2009)
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Titre : Adsorptive removal of As(V) from aqueous solution by Zr(IV)-loaded skin shavings Type de document : texte imprimé Auteurs : Jiao Limin, Auteur ; Xuepin Liao, Auteur ; Bi Shi, Auteur Année de publication : 2009 Article en page(s) : p. 308-315 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Absorbants et adsorbants
Arsenic
Cuirs et peaux -- Déchets
Cuirs et peaux de porcs
Déchets -- Elimination
Isotherme d'adsorption
Solutions aqueuses (chimie)
Wet-white (tannage)
ZirconiumIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Wet-white shavings are one of the main solid wastes produced in the leather industry. In this paper, Zirconium (IV)-loaded adsorbent (ZrLA) was prepared by using wet-white shavings as the supporting matrix. The fundamental adsorption behaviors of this new adsorbent for arsenic [As(V)] were investigated. It was found that the adsorption capacity of ZrLA for As(V) in aqueous solution was 60.90 mg-g-1, when the initial concentration of As(V) was 75.0 mg. L-1 at pH 4.0 and the dosage of ZrLA was 1.0 g.L-1. The initial pH of As(V) solution significantly affected adsorption capacity of ZrLA to As(V) and the optimal pH for adsorption was in the range of 3.0-6.0. The adsorption isotherms of As(V) could be well fitted by the Langmuir equation, and the maximum adsorption capacities calculated by the Langmuir equation were close to those determined by experiments. The adsorption kinetics of As(V) on ZrLA could be satisfactorily described by the pseudo-second-order rate model. The adsorption capacity was increased with the increase of the zirconium content in ZrLA, and the highest adsorption capacity was obtained when zirconium content of ZrLA was 90-110 mg.g-1. Note de contenu : - EXPERIMENTAL METHODS : Materials - Preparation of Zr(IV)-loaded absorbent based on wet-white shavings - Preparation of As(V) stock solution - Effect of initial pH on adsorption capacity of ZrLA to As(V) - Adsorption isotherms - Effect of zirconium content in ZrLA on adsorption capacity - Adsorption kinetics
- RESULTS AND DISCUSSION : Effect of initial pH on adsorption capacity of ZrLA to As(V) - Adsorption isotherm - Effect of the zirconium content in ZrLA on As(V) adsorption - Adsorption kineticsEn ligne : https://drive.google.com/file/d/1UEbM9mmPakXpBVSI8vBe0FL-y0wo2W29/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17835
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Code-barres Cote Support Localisation Section Disponibilité 011556 - Périodique Bibliothèque principale Documentaires Disponible 011557 - Périodique Bibliothèque principale Documentaires Disponible Aduu Mal, cuirs d'équidés Mongols / Juliette Sebille in LEATHER FASHION DESIGN (LFD), N° 2 (06/2019)
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Titre : Aduu Mal, cuirs d'équidés Mongols Type de document : texte imprimé Auteurs : Juliette Sebille, Intervieweur ; Matthea Van Staden, Personne interviewée Année de publication : 2019 Article en page(s) : p. 40-43 Langues : Français (fre) Catégories : Cuir
Cuirs et peaux d'équidés
Développement durable
Fourrures
Tannage
TraçabilitéIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : C’est en Mongolie, aux sources du fleuve Amour qui sépare la Chine de la Russie, qu’est né le label de cuir équidé Aduu Mal. Sur cette steppe, à l’origine peuplée de nomades déferlant à cheval, Matthea Van Staden a su fédérer bergers, multinationales, ONG et designers autour de son ambitieux projet : mettre en place une filière durable et 100% traçable valorisant les peaux d’équidés jusqu’alors inexploitées. En résultent des cuirs et fourrures de qualité. Rencontre avec une entrepreneuse engagée. Note de contenu : - Matthea, comment est né votre label de cuirs d'équidés ?
- Qui sont vos partenaires ?
- En quoi cette méthode de tannage est-elle intéressante ?
- Quelles sont les spécificités des cuirs d'équidés
- Quelle relation entretiennent les peuples mongols avec les chevaux ?En ligne : https://leatherfashiondesign.fr/aduu-mal-cuir-equide/ Format de la ressource électronique : Html Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32760
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Code-barres Cote Support Localisation Section Disponibilité 21040 - Périodique Bibliothèque principale Documentaires Disponible Advanced approaches in leather research using X-ray probe equipped SEM microscopy / Claudia Florio in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 4 (07-08/2017)
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Titre : Advanced approaches in leather research using X-ray probe equipped SEM microscopy Type de document : texte imprimé Auteurs : Claudia Florio, Auteur ; Biagio Naviglio, Auteur ; Gianluigi Calvanese, Auteur Année de publication : 2017 Article en page(s) : p. 165-172 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Analyse
Microanalyse par émission X
Microscopie électronique à balayage
Morphologie (matériaux)
RechercheIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Early microscopy techniques, such as optical, or the former electronic microscopy techniques, were widely utilised in leather research, mainly as an initial approach, or as additional tool to obtain useful information. Throughout the ages, the developments reached in microscopy technologies have allowed their utilisation as the main, determining tool to get results in many research fields.12
The modern scanning electron microscopy (SEM) technique that we have utilized in leather research, was equipped with an X-ray probe for the microanalysis of the samples and has resulted in being the most required, versatile tool in many applications: hair characterisation, characterisation of micro¬organisms involved in leather damage, investigations on leather defects and their causes, finishing characterisation, surface treatment studies, diagnostic investigations of historic leathers for their value and conservation.
ln the majority of these applications a very small portion of sample was available for the analysis. In spite of this, the technique gave.comprehensive results and was able to solve the most problematic cases of leather damage that we investigated. Particularly, SEM rnicroanalysis is considered to be 'non-destructive' indeed, as X-rays generated by electron interactions do not lead to volume loss of the sample, so it is possible to analyze the same materials repeatedly.
The study provided much interesting feedback, reinforcing our knowledge on all the topics dealt with.Note de contenu : - Morphological studies
- MicroanalysisEn ligne : https://drive.google.com/file/d/1CZ_OBeXNuZc34TERI387aNz4Sa-ZdslJ/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28889
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Code-barres Cote Support Localisation Section Disponibilité 19176 - Périodique Bibliothèque principale Documentaires Disponible Advanced diagnostics and innovative solutions for leather defects : the problem of yellowing / Claudia Florio in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 103, N° 6 (11-12/2019)
PermalinkAdvances in biodegradability / Karl Flowers in INTERNATIONAL LEATHER MAKER (ILM), N° 60 (07-08/2023)
PermalinkAdvances in microbial remediation for heavy metal treatment: a mini review in JOURNAL OF LEATHER SCIENCE AND ENGINEERING, Vol. 3 (Année 2021)
PermalinkAdvances in understanding of enzymatic unhairing of bovine hides / Marcelo Fraga de Sousa in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 8 (08/2014)
PermalinkAdvances is stabilized enzymes for leather processing / Percy A. Jaquess in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 9 (11/1999)
PermalinkAdvantages of application of standard data computers as process controllers in drum automation / Andrea D. Bocca in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIII (Année 1988)
PermalinkAg and Ag/TiO2 nano-dispersed systems for treatment of leathers with strong antifungal properties / Carmen Gaidau in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVI, N° 3 (03/2011)
PermalinkAge and chemical related changes in red deer skin. Part 1 : Tensile properties / P. Hanaczinskyj in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 77, N° 6 (11-12/1993)
PermalinkAge and chemical-related changes in red deer skin, part 2 / P. Hanaczinskyj in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 78, N° 1 (01-02/1994)
PermalinkAge-related changes in collagen of bovine corium: relationship to histological and ultrastructure observations. / A. T. miller in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXX (Année 1985)
PermalinkPermalinkPermalinkAir permeability and moisture penetration performance of leather from a microscopic view / Zhong Anhua in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 1 (01-02/2015)
PermalinkAirborne ultrasonic inspection for hides and leather / Cheng-Kung Liu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVI, N° 11 (11/2011)
PermalinkAirborne ultrasonics for nondestructive evaluation of leather quality / Cheng-Kung Liu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIII, N° 7 (07/2008)
PermalinkAlgae development in tannery wastewater treatment tanks / Sreeparna Das in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 105, N° 1 (01-02/2021)
PermalinkAlkaline hydrolysis combined with stir-bar sorptive extraction or sonication for the determination of banned azo dyes in leather / L.-H. Ahlström in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CII, N° 9 (09/2007)
PermalinkAll-aqueous finishing systems for leather, problems and solutions / Werner Walther in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIII (Année 1988)
PermalinkAllium cepa peel waste : A sustainable solution for antibacterial leather dyeing with gs powder mordanting / Sathya Ramalingam in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIX, N° 3 (03/2024)
PermalinkAlternative fungicides : comparisons with conventional chemicals / Sara Cuadros in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 95, N° 6 (11-12/2011)
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