filtspart

The operators of composting plants indicate an average of 45-50 / ton or even 70 / tonne of sludge, including the depreciation of the installation (15 to be able to 20 / ton) ", particulars Primer. The Agricultural Recycling Professionals' Union estimates the global cost of sludge application (including transport, evaluation, spreading and monitoring) at a variety of between 20 and 30 every ton spread. 3 for each tonne. The dryness could be between 21 and 30%. The bulk of uses a service provider that will valorize sludge and monitor surgical treatments.

Twenty-three of the respondents preferred to send a few of their sludge for composting and also anaerobic digestion (27, 396 metric tons). To be able to remedy this, the strategy of three of them will be to turn to composting or anaerobic digestion to reduce the number of sludge to be spread and facilitate the storage of sludge outside the applying period. "

Eight communities out of 12 indicated within this survey, pay nothing to the farmer and 4 fixed a price ranging from 2 to 10 HT / tonne of off-road spread, which corresponds to various advantages of analysis and monitoring spreading, "says the actual document. Three of the residential areas surveyed sold 23, 942 tonnes of compost at a median price of 3. According to the Primer survey, the economic management of sludge move is ensured to 86% by sanitation service, 7% by that waste service, 3% by sanitation and waste and 4% by way of a private company that recovers sludge that will value them.Twenty-five from the surveyed communities then directly distribute their treated sludge (ie 74, 493 tonnes with dry matter (DM) in 2011)... "Five communities reported that we were holding having trouble making this spread mainly because the inconsistency between the large number of sludge produced on the one hand and the small area and the short spreading period allowed within the other hand", tip Primer. "

Depending about the context and the technology Membrane Filter Presses Manufacturersemployed, the price paid for composting varies (.. One third on this price corresponds to the transport of sludge