Chrome vacuum tannage : An eco-friendly process / Wen Huaixing in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 91, N° 5 (09-10/2007)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 91, N° 5 (09-10/2007) . - p. 196-200 Titre : Chrome vacuum tannage : An eco-friendly process Type de document : texte imprimé Auteurs : Wen Huaixing, Auteur ; Zhang Chuanbo, Auteur ; Ren Hunjun, Auteur ; Zhu Huaijie, Auteur Année de publication : 2007 Article en page(s) : p. 196-200 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Déchets -- Réduction Tambours (tannage) Tannage au chrome Tannage sous vide Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : In order to ameliorate technological problems such as the pollution due to leather tannage and the long process time, a vacuum mechanism has been developed and is proposed as a tanning method. This article describes the mechanism and characteristics of vacuum tannage and analyzes the major factors affecting the course of vacuum tannage. The results show that, on the premise of increasing the overall quality of leather tannage, the working time is greatly shortened and the discharge of waste liquid is decreased by more than 50 %. Note de contenu : - VACUUM TANNING MECHANISM : Leather de-gasification - Adsorption and de-adsorption on the leather surface and internal fibre surface - Combination between leather/hide and chemicals - VACUUM CHROME TANNING EXPERIMENTS : Comparison of permeability - Chrome tanning experiment - Repeated use of waste tan liquor - ANALYSIS OF MAIN FACTORS AFFECTING VACUUM TANNAGE : Vacuum - Temperature - Mechanical function - Tanning agent offer - STRUCTURE OF THE VACUUM TANNING DRUM - Table 1 : Chrome tanning technological experiment and results En ligne : https://drive.google.com/file/d/1D6gw0VeNYGg6QEVhUF6GC4xEht8RDY2S/view?usp=share [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39012 [article]

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Influence of chrome containing sludge on wheat crops and the soil / Yu Congzheng in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 88, N° 4 (07-08/2004)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 88, N° 4 (07-08/2004) . - p. 156-160 Titre : Influence of chrome containing sludge on wheat crops and the soil Type de document : texte imprimé Auteurs : Yu Congzheng, Auteur ; Gong Taisheng, Auteur ; Zhang Chuanbo, Auteur ; Ding Shaolan, Auteur ; Ma Hongrui Ren, Auteur Année de publication : 2004 Article en page(s) : p. 156-160 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agriculture Boues résiduaires Engrais Sols -- Teneur en chrome Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The chrome content of soil fertilized with chrome containing sludge over a long term and the content of chrome in wheat grown from this soil were determined so as to confirm the influence of chrome containing sludge fertiliser. The different states of chrome existing in the soil were separated and their levels were determined. Note de contenu : - EXPERIMENTAL PROCEDURE : The influence of chrome containing sludge on soil - Mixed acid digestion method for chrome determination (Wet Method) : a) Dividing the existing states of chrome into four types - b) Determination of chrome states existing in soil - Influence of chrome containing sludge on wheat growing in the soil - APPENDIX : National standards - Control Standards for pollutants in sludges for agricultural use GB 4284 - 84 - Environmental quality standard for soils GB 15618 - 1995 - Table 1 : The number of sample and conditions in detail - Table 2 : Soil chrome content results in Yue Village for different layers - Table 3 : Total chrome in various states. Chrome contents in the soil of Yue Village - Table 4 : Chrome content in different parts of wheat plant En ligne : https://drive.google.com/file/d/1PoqQaMAW2Vw8RoiMix3fwBhbEKseFtWP/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39630 [article]

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