Since our society became aware of the importance of recycling, wastewater management gained an increasing importance in the attention span of our sleep scientists.

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Abwasser-Management
廃水管理

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WasteWater Management

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The collection, the treatment and the re-use of small size del' wornwater and the organic loss directly to the deproduction source areconcept ecologically and economically raisonnableà the future.Typical problems of a sewerage system with letraitement of waste watercentralized are avoided of cettefaçon, of the valid water resourcesin way are optimaleemployées and of food can be re-used directly.

Systems decentralized for the water treatment will résiduairesserontincreasingly applied because of the situation difficilede treatment ofsewages in much of sectors of the world. Lessystèmes decentralizedare particularly interesting pourles farming communities, thecomplexes of hotel, the boats, lesentreprises and the industrialcommercial firms, the cities megaavec the evolved/moved structures,the fields of housing, the secteursde development and themunicipalities to develop etd' to industrialize countries lately.

The fact that the costs for the water treatmentresiduairesdecentralized should not exceed those forsystemescentralized can be proven by means of a simple example:Lescoûts for a sewer of a municipality 1000 of inhabitant withcentral laquantity of installation of treatment of sewagesàapproximativement. € 400.000 the first kilometer (€ 150 by mètred'sewer; € 250 per capita connected). Each kilometer additionnelaugmentecosts by the € 150.000 so that a length of égoutde only 2 kilometersof results in costs of € 550 parhabitant. It is for the same moneypossible to carry out unsystème decentralized worn water, such as asystem debioreactor of membrane of VRM, which however carries outbetter résultatsbien of clarification than an installation oftraitementconventionnelle of sewages.

Moreover, the worn water cleaned in systems of bioréacteurde membraneof VRM can be re-used like water of service.Ainsi, Si the demand forfresh water can be reduced 200 with 100l/(p.e. X d) by the simplemodification of the installation of house, this would have likeconsequence even more directory for the saved eaupotable roughly €73.000 (with € 2 by eaupotable of m³).