File:Traité d'hygiène (1906) (14595183937).jpg

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Identifier: traitdhygine15brou (find matches)
Title: Traité d'hygiène
Year: 1906 (1900s)
Authors: Brouardel, P. (Paul), 1837-1906 Chantemesse, André, 1851-1919 Mosny, Ernest
Subjects: Hygiène Santé
Publisher: Paris, Baillière
Contributing Library: University of Ottawa
Digitizing Sponsor: University of Toronto

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areil du système Willcox et Raikes (fig. 39). Lecoût de la force motrice pour actionner ce distributeur est de 2 francspar 1000 mètres cubes deau traitée. Huddersfield : ville industrielle de 100000 habitants. La stationdépuration est à Deighton. Fosses septiques et lits percolateurs àbecs pulvérisateurs rotatifs de Campbell travaillant à raison de1 945 litres par mètre carré. Leeds, grande ville de 500000 habitants, a essayé tous les systèmesdépuration biologique dans sa station dessais de Knostrop. La fer-mentation en fosses septiques a permis de réduire le volume desboues à un tiers de celui que produisait la précipitation chimique.Elle fait disparaître 30 p. 100 de la matière organique contenue dansleau brute. Les lits percolateurs donnent les meilleurs résultats autaux de 1500 litres par mètre carré et par jour, bien que les eauxsoient très chargées en résidus industriels (dusines métallurgiquesprincipalement). LÉPURATION BIOLOGIQUE ARTIFICIELLE. 15-143
Text Appearing After Image:
144 A. GALMETTE. — ÉPURATION DES EAUX DEGOUT. Manchester traite 150000 mètres cubes deau dégoul par jourdans sa station de Davyhulme, près Urmslon, et 20000 mètres cubesdans celle de Withington. A Davyhulme, leau dégout, répartie entre vingt-deux fosses sep-tiques, est épurée exclusivement par lits bactériens de premier con-tact et, en partie, par lits de second contact. Toute linstallation acoulé 12000000 de francs, et les dépenses dentretien sont de 1 francpar 1 000 mètres cubes deau traitée (Voy. fig. 20). Salford, faubourg de Manchester, épure 36000 mètres cubes dansune autre station au moyen de lits bactériens à becs pulvérisateursfixes. Leau est dabord traitée par 0sr,05 de chaux et 0gr,02 de sul-fate ferreux par litre, puis décantée et filtrée à travers un lit de gra-vier avant dêtre distribuée sur les lits. Le coût de ces derniers a étéde 45 francs par mètre carré sur 2m,40 de hauteur. Salisbury : traite de 2 500 à 8 000 mètres cubes deau dé

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Brouardel, P. (Paul), 1837-1906; Chantemesse, André, 1851-1919;

Mosny, Ernest
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
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30 July 2014


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current14:02, 12 September 2015Thumbnail for version as of 14:02, 12 September 20153,360 × 1,624 (1.13 MB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
01:17, 9 September 2015Thumbnail for version as of 01:17, 9 September 20151,624 × 3,368 (1.13 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': traitdhygine15brou ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Ftraitdhygine15brou%2F find matche...

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