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MBR Purification Plants (Membrane Bio-Reactors)



DESCRIPTION:
The "Gazebo" MBR Membrane Bio-Reactor purification plant, monobloc prefabricated in VRC, was made by the technicians of the Water Purification Department of Gazebo SpA and it is the result of the company's long experience in the treatment of public waste water. It is made in mass Rck>400kg/cmq concrete, vibrated on metal caissons and steam seasoned, open face, with total elimination of porosity and gravel clumps, with internal steel reinforcement with upgraded adhesion and electrically welded square and rectangular mesh type FeB 44K, factory tested, in compliance with the 1st Category Anti-earthquake law.

In the MBR (Membrane Bio Reactors) plant, the technology of organic depuration with activated sludge is combined with that of mud micro-filtration through membranes, which replace the traditional secondary decanters.

The highly efficient filtration of membranes allows maintaining mud concentrations whose values are significantly higher than those obtained by traditional systems; this increases the system's purifying capacity with the mud's age increase and consequently reduction of the mud quantity to be disposed; it also allows respecting the bacterial limits without disinfection treatments.
The MBR plant is particularly appropriate in the following cases: when a high-quality out-flow is needed (e.g. draining in sensitive areas), when a low content of totally solvable solids is necessary, when the purified water is used again (e.g. for irrigation) or when the space available is limited.

The MBR system can be integrated into a traditional plant as a replacement of the sedimentation and disinfection phase. The standard treatment cycle goes through different compartments such as: primary sedimentation, aeration, wastewater filtration. The automatic functioning of the electro-mechanic equipment is run by a local control panel. The treatment capacity of the MBR Purification Plant varies from 10 to a maximum of 1.000 equivalent inhabitants. Plants with bigger capacity can also be produced with the same technology.

RECIPIENTS:
Small rural and urban communities, manufacturing and commercial companies, one-family houses, camping sites, tourism facilities, etc.

SECTORS OF USE:
Residential and industrial settlements.

ACCESSORIES AVAILABLE ON DEMAND:
Driveway/pedestrian coverings, manholes, holes, internal/external coating (painting), special materials (stainless steel).

PHOTO GALLERY:
Table 1 - MBR Module (Membrane Bio-Reactor)
TYPE MBR MODULE
(Oxydation
+ Final membrane filtration)
(A)
PEDESTRIAN
COVERING
load 2 ql./mq.
(B)
(A)
+
(B)
DRIVEWAY
COVERING
load 70 ql./mq.
(C)
(A)
+
(C)
Code E.P.
Equivalent Population
Wid.
cm.
Len.
cm.
Hei.
cm.
Kw.
installati
Wei.
ql.
Thick.
cm.
Wei.
ql.
Wei.
ql.
Thick.
cm.
Wei.
ql.
Wei.
ql.
Water supply x E.P.
lt/g 200
MBR-01 10 160 180 250 0,55 + 1,10 61 10 7 68 20 14 75
MBR-02 30 160 180 250 0,55 + 1,10 69 10 7 69 20 14 76
MBR-03 50 200 250 250 1,10 + 1,10 83 10 11 94 20 22 105
MBR-04 100 250 250 250 1,10 + 1,10 95 10 14 109 20 28 123
MBR-05 200 250 400 250 1,10 + 1,10 135 10 23 158 20 46 181
MBR-06 300 250 650 250 2,20 + 2,20 200 10 38 238 20 76 276
MBR-07 400 250 750 250 2,20 + 3,00 225 10 44 269 20 88 313
MBR-08 500 250 950 250 3,00 + 3,00 270 10 57 326 20 114 384
MBR-09 600 250 650 + 650 250 2,20 + 2,20 +
2,20 + 2,20
200 + 200 10 38 + 38 476 20 76 + 76 552
MBR-10 800 250 750 + 750 250 2,20 + 3,00 +
2,20 + 3,00
225 + 225 10 44 + 44 538 20 114 + 114 678
MBR-11 1.000 250 950 + 950 250 3,00 + 3,00 +
3,00 + 3,00
270 + 270 10 57 + 57 654 20 114 + 114 768


Table 2 - Technical Rooms
TYPE SERVICE COMPARTMENTS
TECHNICAL ROOMS
(A)
COVERING
(B)
(A) + (B) Entrance
DOOR
WINDOW
bottom hung
Ventilation
GRID
Code E.P. Wid.
cm.
Len.
cm.
Hei.
cm.
Wei.
ql.
Wid.
cm.
Len. cm. Thick.
cm.
Wei
ql.
Wei
ql.
Wid.
cm.
Hei.
cm.
Wid.
cm.
Hei.
cm.
Wid.
cm.
Hei.
cm.
G-07 10 - 100 200
250
250
69
300
275
8-10
18
87
80
200
100
50
100
50
G-08 200 250
250
250
77
300
325
8-10
21
98
80
200
100
50
100
50
G-09 300 - 400 250
325
250
97
375
325
8-10
26
123
80
200
100
50
100
50
G-12 500 250
550
250
148
600
325
8-10
42
190
80
200
100
50
100
50
G-14 600 - 800 250
750
250
202
800
325
8-10
56
258
80
200
100
50
100
50
G-15 1.000 250
950
250
247
1000
325
8-10
70
317
80
200
100
50
100
50


FOR HIGHER TREATMENT POTENTIALS PLEASE CONTACT THE MARKETING DEPARTMENT
THE CAST IRON INSPECTION MANHOLES PLACED ON THE PEDESTRIAN COVERINGS ARE CLASS B125
THE CAST IRON INSPECTION MANHOLES PLACED ON THE HEAVY TRAFFIC DRIVEWAY COVERINGS ARE CLASS D400
SERVICE COMPARTMENTS ARE TREATED EXTERNALLY WITH A LAYER OF GREY WATERPROOF PAINT
THE ENTRANCE DOOR IS IN NON-INSULATED ALUMINIUM AND IS PROVIDED WITH HANDLES AND KEY-LOCK
THE WINDOW IS BOTTOM HUNG, WITH ALUMINIUM FRAMES AND ACCIDENT-PREVENTION GLASS, VISARM 33 TYPE
THE MINIMUM THICKNESS OF THE FOOTING SHALL BE 20 cm, AND IT SHALL BE REINFORCED WITH A DOUBLE ELECTROWELDED STEEL MESHWORK, diam. 8 mm., mesh 20x20 cm.
A 3-5 cm SAND LAYER SHALL BE PLACED ABOVE THE FOOTING TO LAY THE PREFABRICATED STRUCTURES



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