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كتاب WASTE WATER TREATMENT chap 10 لغير محدد

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المؤلف : غير محدد
سنة النشر : 2012
عدد الصفحات : غير محدد
عن الكتاب : 2012م - 1443هـ WASTE WATER TREATMENT chap 10 European Green Capital Award Nantes 2012 2013 149 European Green Capital Award Nantes 2012 2013 150 10 A Present situation. Waste water in the Nantes metropolitan area (575,000 h) is treated in twelve purifi cation plants, with capacities that vary from 1,200 inhabitant equivalent (Vertou – Pégers Reigners) to 600,000 inhabitant equivalent (Vallée de Tougas - Nord Loire). Together, they have a total capacity of 780,000 inhabitant equivalent, which will increase to 840,000 population equivalent when the updated biological treatment process at the Petite Californie (Sud Loire) purifi cation plant comes into service (at the end of 2010). This capacity means that expansion of the metropolitan area presents no fears and industrial waste-water discharges containing biodegradable effl uent can be treated (102 agreements signed in 2009, 477 authorisations, 2,094 fi les opened). There is systematic and regular monitoring of industrial discharges. In addition, waste water from villages far removed from the transfer networks is treated by nine semi-public treatment plants. .
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كتاب WASTE WATER TREATMENT chap 10

2012م - 1443هـ WASTE WATER TREATMENT chap 10 European Green Capital Award Nantes 2012 2013 149 European Green Capital Award Nantes 2012 2013 150 10 A Present situation. Waste water in the Nantes metropolitan area (575,000 h) is treated in twelve purifi cation plants, with capacities that vary from 1,200 inhabitant equivalent (Vertou – Pégers Reigners) to 600,000 inhabitant equivalent (Vallée de Tougas - Nord Loire). Together, they have a total capacity of 780,000 inhabitant equivalent, which will increase to 840,000 population equivalent when the updated biological treatment process at the Petite Californie (Sud Loire) purifi cation plant comes into service (at the end of 2010). This capacity means that expansion of the metropolitan area presents no fears and industrial waste-water discharges containing biodegradable effl uent can be treated (102 agreements signed in 2009, 477 authorisations, 2,094 fi les opened). There is systematic and regular monitoring of industrial discharges. In addition, waste water from villages far removed from the transfer networks is treated by nine semi-public treatment plants. .


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