50 Years of Environmental Monitoring at Henkel / T. Wind in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 45, N° 3/2008 (05-06/2008)

[article]  inTENSIDE, SURFACTANTS, DETERGENTS > Vol. 45, N° 3/2008 (05-06/2008) . - p. 144-152 Titre : 50 Years of Environmental Monitoring at Henkel Type de document : texte imprimé Auteurs : T. Wind, Auteur ; J. Steber, Auteur ; J. Tolls, Auteur Année de publication : 2008 Article en page(s) : p. 144-152 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cours d'eau -- Salubrité Eaux usées -- Epuration Environnement -- Surveillance Surfactants Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : The gradually increasing detergents consumption in Germany since 1950 resulted in higher emissions of their ingredients to the environment. The first generation of mineral oil-based surfactants, tetrapropylene benzene sulfonate (TPS), exhibited poor biodegradability and caused public environmental concerns. These prompted Henkel in 1958 to start a systematic measurement of some main detergent constituents in the river Rhine in Germany. Since then, a number of monitoring activities regarding the determination of detergent ingredients concentrations and freights in rivers and waste water treatment plants (WWTP) followed. This paper summarizes 50 years experience at Henkel in monitoring of detergent ingredients in the aquatic environment. The long-term monitoring results on the river Rhine provides an impressive record of the development of the environmental burden by surfactant emissions and of the gradual improvement of river water quality over time. The reasons for the changes are discussed. Further monitoring activities on WWTPs have shown for the first time, that domestic wastewater treatment plants (DWTP) are similarly suitable for the removal of surfactants like municipal ones. The good removal of prominent organic detergent ingredients was shown by several time-proportional sampling campaigns in municipal WWTPs. Finally the positive impact of the modernisation of a municipal WWTP on the chemical and biological water quality on a small river creek is reported over the time period of 7 years. All of the reported studies indicate a low environmental burden due to the use of detergents ingredients today. The learnings from the different activities in environmental monitoring by Henkel have contributed to a solid understanding of the fate of detergent ingredients in the environment. This in turn was the prerequisite for development of reliable exposure prediction models. Today, Henkel employs both, environmental monitoring and modeling instruments, for assessing the environmental exposure of chemicals. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3048 [article]

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Green evaluation method of leather production under river ecological environment : Comparison of eco-indicator 99 and CML2001 evaluation methods / Fan Shan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 107, N° 4 (07-08/2023)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 107, N° 4 (07-08/2023) . - p. 129-133 Titre : Green evaluation method of leather production under river ecological environment : Comparison of eco-indicator 99 and CML2001 evaluation methods Type de document : texte imprimé Auteurs : Fan Shan, Auteur ; Wang Yujuan, Auteur Année de publication : 2023 Article en page(s) : p. 129-133 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chaussures -- Conception et construction Chaussures -- Industrie -- Aspect de l'environnement Cours d'eau -- Salubrité Cuirs et peaux -- Industrie -- Aspect de l'environnement Ecologie des eaux Environnement -- Etudes d'impact Evaluation Procédés de fabrication Production Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : With the advancement of science and technology and increasing industrialisation, more and more the waste produced by industry has entered the natural and ecological environment, especially with reference to the environmental pollution effects on freshwater rivers and their surroundings and this River ecological environment is gradually deteriorating. The development of the leather manufacturing industry as represented by shoe industry has caused serious damage to the environment. In order to explain the concept of green production based on the River ecological environment, the article compares the situation of River ecological environment and resource consumption in actual leather production based on Eco-indicator99 and CML2001 evaluation methods. The results show that both the Eco-indicator99 and CML2001 evaluation methods are helpful to evaluate and study the manufacturing process of leather products more completely and at the same time we are able to put forward measures to improve production. Note de contenu : - STATE OF THE ART - METHODOLOGY : River ecological environment analysis method - Eco-indicator99 and CML2001 evaluation analysis - RESULTS ANALYSIS AND DISCUSSION - Fig. 1 : Assessment of river ecological environment based on leather production - Fig. 2 & 3 : Environmental impact factors - Table 1 : Influence of type of normalisation and weight - Table 2 : Normalised effects of actual leather footwear on ecological environment En ligne : https://drive.google.com/file/d/1QNZmR2lEeIFU47oAjc7kKe5nJowYQVJm/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39685 [article]

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Secret of purity of water of river Ganga / Vinod C. Malshe in PAINTINDIA, Vol. LXX, N° 3 (03/2020)  

[article]  inPAINTINDIA > Vol. LXX, N° 3 (03/2020) . - p. 82-92 Titre : Secret of purity of water of river Ganga Type de document : texte imprimé Auteurs : Vinod C. Malshe, Auteur Année de publication : 2020 Article en page(s) : p. 82-92 Langues : Anglais (eng) Catégories : Cours d'eau -- Salubrité Eau -- Analyse Eau douce Echantillonnage Index. décimale : 667.9 Revêtements et enduits Résumé : River Ganges, (here in after referred as Ganga throughout this text) is most respected river of India. It flows from north to south east starting from Gangotri Glacier. It flows nearly 600 km on mountainous terrine before touching planes. Ganga water is deemed to be very pure. A dip in Ganga is believed to wash ail sins and due to very high respect given to the "Ganga Jal" (water of river Ganga) every Hindu is fed with drops of Ganga water in his mouth in his dying moments. Ganga water is preserved in ail Hindu households in small copper or glass vessels that do not grow bacteria or algae even after storage for over 25 to 30 years. This has been a great puzzle to scientists of India and various theories are proposed. This water has been recognized to be pure for centuries. Interesting information can be found including a "Factor X" that keeps this water so fresh. Invaders turned rulers of this country like Akbar and British, carried Ganga water with them on their 2 to 3 month's long journeysto middle east and Europe, because of its purity. Reference to these can be found in historical books. The information found on internet is collated and presented in Apendix 1. Note de contenu : - EXPERIMENTAL : Sample collection - Analytical - RESULTS AND DISCUSSION - CONCLUSIONS : - APPENDIX 1 : Bacteriophages may explain Ganga's healing abilities - Practical applications - Table 1 : Concentration of dissoked silver in water samples collected on every second Saturday of a month from Haridwar year 2016-17 - Table 2 : Silver analysis of sand collected from Haridwar - Table 3 : Ganga water analysis for silver content from Simhastha. Location : Prayag Raj (Allahabad-UP) month of collection : February and march 2019 - Table 4 : Ganga River Sand Analysis for, Silver Content. Location : Prayag Raj. Month of collection : March 2019 - Table 5 : Results of disinfection of gram negative bacteri with sand collected from Prayag Raj on En ligne : https://drive.google.com/file/d/1SteqITPFk60HK5GDExRMZk9mcJTEIXGn/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34655 [article]

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