a flocculation basin is to be designed

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A FLOCCULATION BASIN IS DESIGNED TO TREAT 20000 M3DAY OF WATER WITH DETENTION TIME OF 150 MINUTES. The basin is to be a cross-flow horizontal-shaft paddle-wheel type with a mean velocity gradient of 267sec 1 at 50F a detention time of 45 min and a GT value from 50000 to 100000.

Flocculation Basin Sewage Treatment Water Treatment Plant Design

The following conditions apply to the design.

. The paddles are attached to four horizontal shafts two paddles per shaft their center line is. The flocculation basin is to be divided into 3 sections of equal volume each section having constant velocity gradients of 50 35 25 s-1 respectively. Volume ft 3 50 ft x 19 ft x 8 ft.

The flocculation basin is 8 feet deep 19 feet wide adn 50 feet long. Two parallel trains of hydraulic flocculation are to be used with a detention time of 40 minutes. Water temperature of 10 oC total mean detention time of 45 min basin depth of 35 m 3 parallel trains of flocculators each train receives one third of the.

It is an essential operation designed to. Design a horizontal flow baffled channel flocculatorfor a treatment plant of 10000m3day capacity. A cross-flow horizontal shaft paddle wheel flocculation basin is to be designed for a flow of 25000m3d a mean velocity gradient of 267sec at 10C and a detention time of 45 minutes.

Flocculation aids are being used in-creasingly. The flocculation basin has a width of 2743 m to connect with the adjacent sedimentation. An impeller-powered flocculation basin is to be designed for a tertiary treatment plant for a flow of 94600 m 3 d.

The flocculation basin is to be divided into 3 sections of equal volume each section having constant velocity gradients of 50 35 25 s-1 respectively. THE BASIN WIDTH IS 25 M CONSISTING OF FIVE EQUAL WIDTH SQUARE CROSSING UNITS SEPARATED BY PERFORATED CONCRETE WALL. It seems prudent therefore to design flocculat-ing and mixing equipment with over-sized variable-speed drives so that the mixing intensity can be adjusted to suit changing conditions.

The flocculator basin is 100ft long 50ft wide and 20 ft deep and is equipped with 12-in. They enable floe to toler-ate higher mixing intensities. The velocity gradient varies as the three-halves.

Paddles 48 ft long. A flocculation basin is to be designed for a water treatment plant and the design flow is 49200 m3day. Volume ft 3 Length ft x Width ft x Depth ft.

The GT value should be from 50000 to 100000. A flocculation basin is to be designed for a water coagulation plant and the design flow for the basin is 130 MGD. _____ Material limitations polycarbonate or concrete Vary to optimize flocculation efficiency function of geometry Need to determine Head loss.

Tapered flocculation is to be provided and the three compartments of equal depth in series are to be used. A flocculation basin is to be designed with a 30 minute detention time and a mean velocity gradient of 40 s. Determine the power W required if the average design flow to the flocculation basin is 30000 m 3d μ-1002x10-3 Nsm.

The basin is to be a cross-flow tapered agitation system with a total detention time of 45 min. Detention time 20 min G 35 s 1 at 10C GT 10000 to 100000 width 125 times depth length twice width no baffling number of impellers 2 number of blades. Flocculation tanks are to be designed for a total flow rate of 49200 m3d.

Determine the basin dimensions the number of baffles and the expected head loss across the floc tank. Flocculation Flocculation units are usually designed to provide for taperred flocculation In tappered flocculation flow is subjected to decreasing G values as it passes through the flocculation basin Taperred flow. First determine the volume of the flocculation basin in feet.

In your problem replace 230000 by 45000. A flocculation basin is to be designed for a water coagulation plant and the design flow for the basin is 130 MGD. A flocculator is designed to treat 25 mgd.

The basin is to be a cross-flow horizontal-shaft paddle-wheel type with a mean velocity gradient of 267sec1 at 50F a detention time of 45 min and a GT value from 50000 to 100000. The total flocculation time is to be 21 min and the water temperature is 15 C. - Velocity gradient G was made to be between 600-1000 s-1 - Tank volumes were kept below 8m 3 - Design liquid depth was between 11-16 times the basin width - Impeller diameter was between 03-05 times the tank diameter width.

THE LENGTH OF EACH TANK IS UPTO TWO DECIMAL PLACES M. Design was also determined based on standard rapid mix basin design criteria. Promotes plug flow through the system ensure that all particles.

The plant is to employ alum coagulation and pertinent data for the flocculation basin are as follows. Design a horizontal flow baffled channel flocculator for a treatment plant of 10000m3day capacity. A plant treats a flow of 24 MGD.

Online Chat Send Inquiry. The flocculation process in one treatment train at a surface water treatment plant is to be designed to treat a flow rate of 12 MLd with a hydraulic detention time of 30 minutes. The flocculation basin should be divided into 4 equally sized stages with successively lower velocity gradients in each stage that is tapered flocculation.

Details of coagulation tanks Flocculation Flocculation is the process of slow mixing that can be achieved in a basin which is known as a flocculator. Volume ft 3 7600 ft 3. The total flocculation time is to be 21 min and the water temperature is 15 C.

A flocculation basin is to be designed for a water coagulation plant and the design flow for the basin is 49200 m 3 day. Calculate the detention time in minutes. Design Considerations The length of the flocculator channels matches the length of the sedimentation tank Width of the flocculation channel.

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