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Drening reflue - 8 Pages

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Catalogue excerpts

Waste water treatment system www.geoplast.it

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SUBSURFACE DRIP IRRIGATION Purification by percolation, also called subsurface drip irrigation (SDI), is one of the oldest and most commonly used systems. Its function is based on the regular seepage of the waste waters, from the top downwards, onto a so-called “percolation bed” composed of multiple layers of draining material (pebbles, plastic material etc.), that grants the reproduction of the same microbiological environment found in nature. In a natural terrain, even if very porous and well drained, a relatively small quantity is needed for the bacterial mass that elaborates and transforms...

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ADVANTAGES IN REGARDS TO TRADITIONAL METHODS -50% TRENCH LENGTH • INCRASE IN VOLUME and in the percolation surfaces with an increase in disposal speed. drening® reflue SYSTEM • UP TO 50% REDUCTION IN TRENCH LENGTH compared to the tube DRENING® and gravel system. • REDUCED EXCAVATION DEPTH with corresponding upgrading of the safety distance from the level of water table. • LOW ENVIRONMENTAL IMPACT; MAXIMUM INFILTRATION CAPACITY thanks to the completely open bottom. • INCREASED CIRCULATING AIR QUANTITY, required to guarantee the survival of the aerobic bacteria that decompose the organic substances...

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DRENING The DRENING® REFLUE system for sewerage dispersal must be proportioned according to the type of terrain where the trench is dug and the equivalent number of inhabitants. NATURE OF THE TERRAIN N° DRENING® for Inhabitant Equivalent* Percolation Volumes (Lt) Infiltration Surfaces (cm2) Large sand or pebbles, or gravel, or mixed 1 300 12400 Fine sand 1,5 450 18600 Sand or gravel, or pebbles with Limestone 2 600 24800 Clay with limestone with much sand, or Pebbles 3 900 37200 Clay or limestone with little sand, or pebble 6 1800 74400 Impermeable compact clay not suitable - - *Parameter of equivalence...

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INSTALLATION 1. Excavation of the trench 90-100 cm deep, at least 90 cm wide at the base, with sloping of the walls in accordance to the nature of the terrain. NB: the distance between the bottom of the trench and the upper level of the table must be no less than one metre. Original Land 30 2. Assessment of the geological characteristics of the land: if particularly yielding or poorly drained it is recommended to fill the trench bed with gravel, grain particle size 20-40 mm, to a height of around 10 cm. Backfill 40 3. Laying of DRENING® in the centre of the trench, with circa 0.5% inclination....

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INSTALLATION ON SLOPING LAND SOLUTION 1 The trenches are connected zigzag with the tube mounted on the caps at the top and end of each DRENING® line. imhoff basin SLOPE WELL SLOPE DUCT IN PVC Ø110 DRENING® H40 CHAMBER 150 ENTRANCE DUCT IN PVC Ø110 DRENING® CAP DRENING® CAP figure 5) View. figure 6) Plant. SOLUTION 2 The trenches are connected to a single tube branched and mounted on the top of each DRENING® line. ENTRANCE SLOPE imhoff basin WELL SLOPE DUCT IN PVC Ø110 150 DRENING® H40 CHAMBER DUCT IN PVC Ø110 DRENING® CAP figure 7) Section view. figure 8) Plant. figure 9) Example of mounting of...

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PHYTO-PURIFICATION Today phyto-purification technology, that resorts to the use of natural purification procedures for treating civil waste, represents a widespread and consolidated choice world wide. This technique is a valid plant solution and an excellent choice for the poorly populated centres and, in general, for small and medium usage not connected to the sewerage network. The system allows extraordinary insertion into the environment and in the landscape and the management of the irregular pollution loads. This, even with pollution points not differently treatable that are verified in the...

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GEOPLAST S.p.A. rev.000 35010 Grantorto PD - Italia - Via Martiri della Libertà, 6/8 tel +39 049 9490289 - fax +39 049 9494028 e-mail: geoplast@geoplast.it - www.geoplast.it

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