4 résultat(s) recherche sur le tag 'usée''

Bioremediation : A novel approach to waste to waste treatment in surface coatings industry / R. J. Patil in PAINTINDIA, Vol. XLVII, N° 6 (06/1997)

[article]  inPAINTINDIA > Vol. XLVII, N° 6 (06/1997) . - p. 41-52 Titre : Bioremediation : A novel approach to waste to waste treatment in surface coatings industry Type de document : texte imprimé Auteurs : R. J. Patil, Auteur ; P. K. Kamath, Auteur Année de publication : 1997 Article en page(s) : p. 41-52 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Industrie  peinture  vernis'  'Eau  usée  industrielle'  'Epuration  eau  usée'  biologique'  Biofiltre Index. décimale : 667.9 Revêtements et enduits Résumé : In recent times, bioremediation - a biological treatment process for industrial wastes has emerged as a preferred technology in the chemical industry, which has not been exploited to the extent required, by the surface coating industry. This paper attempts to explore bioremediation as a process to degrade wet paint sludge and for the clean up of hazardous solvent residues in liquid as well as gaseous forms. Towards meeting these objectives, five microbial cultures have been isolated by the enrichment and adaptation culture technique from the spray booth environs as well as from the composite soil sample collected from the environs of Rashtriya Chemicals and Fertilizers Plant, located in the near vicinity of Hindustan Petroleum Refinery in Mumbai. The genera of all the five cultures have been identified biochemically, of which, one is an yeast culture and the rest is bacteria. During enrichment, individual hydrocarbon solvents such as benzene/ethyl acetate/mineral turpentine/chloroform/ methyl iso butyl ketone/toluene/butyl cellosolve/triethylamine/xylene/methanol and petrol are used as carbon and energy sources employing Kazuyoshi et al, simple mineral salts medium to support microbial activity. As the clean up of complex sites require a host of microbial flora with metabolic and physiological diversity, the microflora from the booth water was bioaugmented with isolates from the RCF source. The proportion of the culture mix in the consortia played a significant role resulting in enhanced uptake of organic residues, thereby shortening the period of incubation. About 95-99% reduction in COD values were achieved with concomitant reduction in the levels of solvent odours from booth water. Wet paint sludge digestion by the consortia, though, was considerably slow. Significant degradative changes in polyester portion of the binder has been observed as compared to amino resin. Further experimentation on exposure of individual cultures to a host of solvents in vapour/gaseous form has yielded interesting results. Note de contenu : - WASTE DISPOSAL - SOLVENT EMISSIONS - WHAT IS BIOREMEDIATION AND HOW DOES A BIOFILTER WORK ? - BIOFILTER - SCOPE OF THE PRESENT WORK - SCOUTING FOR MICROORGANISMS - Enrichment and adaptation - Isolation - Selection of cultures for consortia - Identification/characterisation - MAINTENANCE OF CULTURES - PREPARATION OF ARTIFICIAL (TAILOR MADE) BOOTH WATER - ANALYSIS OF SOLVENTS - INFRARED SPECTROSCOPY - CULTURE RESPONSE TO SOLVENT VAPOURS - Single solvent-multiple cultures response - CHEMICAL OXYGEN DEMAND (COD) - SLUDGE DIGESTION Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13286 [article]

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Canalisations, PVC et PE bien installés in PLASTIQUES & ELASTOMERES MAGAZINE, N° 55-8 (11/2003)

[article]  inPLASTIQUES & ELASTOMERES MAGAZINE > N° 55-8 (11/2003) . - p. 38-39 Titre : Canalisations, PVC et PE bien installés Type de document : texte imprimé Année de publication : 2003 Article en page(s) : p. 38-39 Langues : Français (fre) Tags : Europe  France  'Canalisation  eau  usée'  potable'  'Travaux  publics'  'Industrie  bâtiment'  'Etude  marché'  'Capacité  production'  'Canalisation'  Thermoplastique'Ethylène  polymère'  'Vinylique  chlorure Index. décimale : 668.4 Plastiques, vinyles Résumé : les canalisations ont adopté les matières plastiques, essentiellement PVC et PE depuis maintenant près de 60 ans. Les premiers réseaux étaient alors destinés au transport de l'eau potables. Aujourd'hui l'environnement est la préoccupation première. Note de contenu : Un marché où l'environnement prédomine Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13867 [article]

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Composite linings for corrosion protection / Kanemasa Nomaguchi in JEC COMPOSITES MAGAZINE, N° 42 (07-08/2008)

[article]  inJEC COMPOSITES MAGAZINE > N° 42 (07-08/2008) . - p. 46-48 Titre : Composite linings for corrosion protection Type de document : texte imprimé Auteurs : Kanemasa Nomaguchi, Auteur Année de publication : 2008 Article en page(s) : p. 46-48 Langues : Anglais (eng) Tags : 'Canalisation  eau  usée'  'Matériau  construction'  Application  'Plastique  renforcé  fibre'  Acier  Béton  revêtement'  'Couche  protectrice  anticorrosion'  composite' Index. décimale : 668.4 Plastiques, vinyles Résumé : Plastic linings are used extensively to protect metal (e.g. steel) and concrete substrates from corrosion and, in doing so, perform a very important role in people's everyday lives. Corrosion control technology complies with the same strict standards as electric insulating technology and engineering, and significant progress has been made recently in the field. Note de contenu : - What is corrosion ? - Basic concept - Typic applications - track record - Case study A : electric power stations - Case study B : wastewater treatment facilities Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14040 [article]

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Novel uses of micro-organisms in the paint industry : A review / Melrina Mascarenhas in PAINTINDIA, Vol. XLIX, N° 5 (05/1999)

[article]  inPAINTINDIA > Vol. XLIX, N° 5 (05/1999) . - p. 35-40 Titre : Novel uses of micro-organisms in the paint industry : A review Titre original : IPA AWARDS - 1999 : Review section : 1st prize winning paper Type de document : texte imprimé Auteurs : Melrina Mascarenhas, Auteur Année de publication : 1999 Article en page(s) : p. 35-40 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Industrie  peinture  vernis'  Biotechnologie  Microorganisme  'Epuration  eau  usée'  'Eau  usée  industrielle'  biologique'  'Déchet  industriel'  'Traitement  déchets'  Adjuvant  Antisalissure Index. décimale : 667.9 Revêtements et enduits Résumé : In the paint industry, the general emphasis has been on the control of micro-organisms due to their deleterious effects on both raw materials as well as the finished product. However increasingly, research is being conducted to discover ways of exploiting micro-organisms in a positive way. Thus the ability of micro-organisms to tolerate and degrade unwanted, waste products that are often toxic to the environment, is made use ofin biofiltration plants for VOC reduction and emission control. Effluent treatment plants use the same principle to reduce levels of wastes to acceptable standards. Micro-organisms are also capable of synthesizing useful products which may find use as raw materials in the paint field. Thus the production of antifouling agents, industrial polysaccharides, pigments, etc. by micro-organisms offer eco-friendly and cheaper alternatives to chemically produced products without any compromise on the quality of the final product. Moreover the ability to manipulate micro-organisms through genetic engineering opens the road to a host of possibilities in the future, making microbial biotechnology an exciting and interesting field of research. Note de contenu : - Present status of microbial biotechnology in the paint industry : - Volatile organic compound 5VOC) emission - control – Effluent and paint waste treatment – Production of antifouling agents – Production if paint additives – Future of biotechnology in the paint industry Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12967 [article]

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