A Package Sewage Treatment Plant Cost

Sewage Treatment Plant

The sewage treatment plant is designed to treat wastewater generated from the processing unit. The treatment plant will have two distinct sections namely Fluidized Bed Bioreactor Biological Treatment and Electro coagulation Treatment Plant. The Effluent treatment plant is designed to treat 2,000 m3 of Textile Dyeing effluent generated from the process house. The plant will be capable of operating at the flow rate of 100 m3/hr. The operating cycle of the plant shall be 20 hours.

Sewage Treatment Plant Characteristics

The Sewage Treatment Plant is designed based on the analysis of effluent analysis report of Combined Effluent provided by you.

Characteristics	Value
PH	12
Suspended Solids	250 mg/L
BOD 5 days 20 Deg C	500 mg/L
COD	1200 mg/L
COLOUR	400 (Hazen)
Total Hardness	200 mg/L
Silica   Sodium	30-50 mg/L   2000-3000 mg/L
Chloride	1500-2500 mg/L

Sewage Treatment Plant Approach

The Sewage Treatment Plant scheme is selected based on years of experience in handling similar kind of wastewater. The biological treatment plant is designed based on the Fluidized Bed Bio-reactor & Electro coagulation system is used after the Biological treatment. The following treatment scheme is proposed for your requirement:

Combined Effluent Treatment Plant

Primary Treatment

• Bar screening – 3 stages.
• PH correction
• BOD & COD removal by Fluidized Bed Bio-reactor
• Secondary Clarifier

Secondary Treatment

• Electro coagulation process
• Flash mixer
• HRSC Clarifier.
• Sand Filter

Sludge Management

• Sludge thickner
• Screw pump
• Filter press
• Sludge storage

Treated Water Quality

The treated water quality at the outlet of the respective plant will be as    follows:

After Biological treatment plant

Parameter	Value
PH	7.0 – 8.0
BOD	Less than 100 ppm
COD	Less than 200 ppm
COLOUR	300 (Hazen)
Suspended Solids	250 ppm
Total Hardness	50-100 ppm
Silica	30-50 ppm
Sodium	2000-3000 ppm
Chloride	1500-2500 ppm

After Electro coagulation and Filter Press

Parameter	Value
PH	6.5-7.0
BOD	Less than 30 ppm
COD	Less than 100 ppm
COLOUR	Less Than 10 (Hazen.) / 50 PtCo unit
Suspended Solids	Less then 5 ppm
Total Hardness	50-100 ppm
Silica	Less then 2 ppm
Sodium	2000-3000 ppm
Chloride	1500-2500 ppm

Scope of Supply

S.No	Description	quantity
COMBINED EFFLUENT TREATMENT PLANT   Primary Treatment
1.0	Acid dosing pump of PP construction	2 nos (1W + 1S)
2.0	Air blower with accessories	5 nos( 3w+2S)
3.0	Fine Bubble Vertical Diffusers.	600 nos
4.0	FBBR Random Bio-Media	8.4 Million Pcs.
5.0	Effluent Feed Pumps	2 nos. (1W + 1S)
6.0	Secondary Clarifier Mechanism	1 set
7.0	Sludge Re-Circulation Pump.	2 (1W +1S)
8.0	Motorised Rotary Bar Screen	2 SETS.
Secondary Treatment
1.0	Electro coagulation skid	3 nos (2W + 1S)
2.0	Polymer dosing pump of PP construction	2 nos (1W + 1S)
3.0	Flash mixer	1 set
4.0	Effluent Feed Pumps	4 nos (2W +2S)
5.0	HRSC Clarifier Mechanism	1 set
Sludge Management
1.0	Screw pump	2 nos.
2.0	Filter press	1 no.
INSTRUMENTS
1.0	PH indicator & controller	1 no.
2.0	Level controller	4 nos
3.0	Temperature indicator	2 nos
4.0	On-Line DO meter	1 no
5.0	Inverter for Effluent Pumps	2 nos
6.0	Inverter for Aeration tank Blowers	2 nos
7.0	Lab Accessories	1 set
8.0	Digital TDS meter	1 no
9.0	Digital Portable pH Meter	1 no
10.0	Digital Portable DO Meter	1 no

AUTOMATION PANEL

1.0	ETP panel with PLC and D.C. pulse Power controller from CROSBY Controls, UK., Inverters and control Accessories.	3 SETS.
2.0	ALARM ANNUNCIATOR PANEL	1 SET
3.0	OPTIONAL :  SCADA SYSTEM WITH CENTRALISED CONTROL SYSTEM WITH COMPUTER INTERFACE AND SOFTWARE.	1 SET.

Technical Specification

Effluent treatment plant

Description	Specification
MOTORISED ROTARY Bar Screen
Qty	2 NO
Material of construction	SS
Type	Motorised
AIR BLOWER FOR EQUALISATION TANKS
No of offered	2 nos (1 w + 1s)
Capacity	1000 m3/hr @ 5000 mmwg
HP/RPM	25.0/1440
TYPE	TRI LOBE
BRAND	DRESSER ROOTS, USA.
AIR BLOWER FOR AERATION TANKS
No of offered	3 nos (2 w + 1s)
Capacity	1500 m3/hr @ 5000 mmwg
HP/RPM	40.0/1440
BRAND	TRI LOBE
BRAND	DRESSER ROOTS, USA.
Diffusers for BIOLOGICAL TANK
Type of diffusers provided	Fine bubble
No of offered	600 nos
Material of construction	EPDM
Size of diffusers	100 mm dia * 225 mm long
BRAND	IFU, GERMANY
acid DOSING SYSTEM
No of pumps offered	2 nos
Capacity	100 LPH
Material of construction	PP
BRAND	Surya
Type	Plunger
Pressure	4 bar

EFFLUENT FEED PUMPS TO aeration tank
Qty	2 NOS (1W + 1S)
Material of construction	CI
HP	10
FLOW	100m3
BRAND	JOHNSON / KIRLOSKAR
BIO  SLUDGE RE-CIRCULATION PUMP
QTY	2 NOS (1W +1S)
MOC	CI
HP	3.0
FLOW	25m3
BRAND	JOHNSON / KIRLOSKAR
SECONDARY CLARIFIER MECHANISM
MOC	MS WITH EPOXY COATING
POWER	5HP
DISSOLVED OXYGEN METER
TYPE	ON-LINE
BRAND	INSTRONIX
OUTPUT TO INVERTER	4-20mA.
QTY	1 no

Secondary Treatment

electro coagulation system
No of offered	5 nos (4W + 1S)
Capacity	25 m3/hr each
EC SKID MOC	FRP
Electrodes	MS
flash mixer
No. of mixer offered	2 no
HP & RPM	2 HP / 100 RPM
BRAND	ROTOMOTIV, ITALY
HRSC CLARIFIER MECHANISM
MOC	MS WITH EPOXY COATING
POWER	5 HP
INVERTER FOR FEED PUMPS
RATING	7.5KW /10HP.
BRAND	YASKAWA, JAPAN
QTY	2 nos
INVERTER FOR AERATION TANK BLOWERS
RATING	30KW /10HP.
BRAND	YASKAWA, JAPAN
QTY	2 nos
FEED PUMPS for ec skid
No offered	2 nos (1w +1s)
Capacity	100 m3/hr each
Head	10 mwc
Motor HP	10
Material of construction	CI
FEED PUMPS for SAND FILTER
No offered	2 nos (1w +1s)
Capacity	100 m3/hr each
Head	10 mwc
Motor HP	10
Material of construction	CI

Sludge Management

SLUDGE THICKNER
No of offered	1 no.
MATERIAL OF CONSTRUCTION	M.S WITH EPOXY COATED
POWER	1 H.P
fILTER PRESS
No. of offered	1 SET
SIZE	800MM X 800MM
NO. OF PLATES	40
MOS	PP
MICRON SIZE	15
MOTOR H.P	3
SCREW PUMP
NO.O F OFFERED	2 NOS.
POWER	7.5 HP
CAPACIY	10 M3 / Hr
Type	Screw
Pressure	10 Bar
MOC	Alloy steel & EPDM

pH CONTROLLER
RANGE	1-14
BRAND	COUNTRONICS
OUTPUT	RELAY
DISPLAY	LED DISPLAY
LEVEL CONTROLLER
BRAND	MINILEC
TYPE	HIGH / LOW
QTY	4 NOS
TEMPERATURE INDICATOR CONTROLLER
RANGE	0 -200’C
DISPLAY	LED DISPLAY
OUTPUT	RELAY
BRAND	SELECTRON
DIGITAL PH CONTROLLER
RANGE	0 – 14
DISPLAY	LED DISPLAY
OUTPUT	RELAY AND 4 – 20mA.
BRAND	COUNTRONICS
ON LINE DO METER
RANGE	0 – 20
DISPLAY	LED DISPLAY
OUTPUT	RELAY
BRAND	INSTRONIX

Schedule of Exclusions

• Our supplies will be restricted to the items included in the technical data. The list of exclusions from our supply is given below:
• All civil works like storage tank, foundation for mechanical equipment, control room etc.
• All types of electrical works like motor control center, switch gear panel, local push button starters and all kinds of power cabling to the motors, motor starters, MCC panel, earthing etc.
• Piping/ drains of the plant and interconnecting and Air distribution pipelines.
• All consumables like power, effluent, chemicals and lubricants required for initial start-up and normal operation of the plant.
• Storage tanks for Acid, and Polymer.
• Unloading, handling and safe storage of the materials at site.
• Testing facility for testing raw and treated effluent.

Electrical Drives

The following are the list of electrical works required to be carried out by the client .  CONFIDENT will furnish list of drives, HP ratings and layout.

Effluent Treatment Plant – Primary Treatment

DESCRIPTION	WORKING   HP	STANDBY   HP
Air blower	105	65
Acid Dosing Pump	1	1
Feed Pump	13	13
Secondary Clarifier	1	–
TOTAL	120	74

Effluent Treatment Plant – Electro coagulation system.

DESCRIPTION	WORKING   HP	STANDBY   HP
EC skid	60	30
Polymer dosing pump	1	1
EC feed pump	10	10
HRSC Clarifier	3	–
Filter Press	3	–
Filter Feed Pump	10	10
TOTAL	87	51

 

Package Sewage Treatment Plant Cost

Our Package Sewage Treatment Plant Cost for design, engineering and supply of mechanical items for the following will be as given below:

Electro Coagulation system with Activated Sludge Process Bio-Reactor treatment plant

USD

PRICE BASIS	C&F CHITTAGONG
DELIVERY	WITH IN 75 DAYS FROM THE DATE OF L/C.
PAYMENT	BY 100% CONFIRMED IRREVOCABLE L/C AT SIGHT.
VALIDITY	30 DAYS.
WARRANTY	1 YEAR AGAINST ANY MANUFACTURING DEFECTS.

TERMS, CONDITIONS AND RESPONSIBILITIES :

RESPONSIBILITIES OF CONFIDENT ENGINEERING INDIA PVT LTD (SUPPLIER) ARE AS FOLLOWS.

SUPPLY OF THE ALL THE EQUIPMENT AND PARTS AS AGREED IN THIS CONTRACT.

DESIGN AND DRAWING OF CIVIL LAY-OUT AND PIPE LINE DRAWINGS AND CO-ORDINATE WITH THE CIVIL ENGINEER NOMINATED BY M/S.AUTO TEXTILE LIMITED.

SUPERVISION OF THE EXECUTION OF THE CIVIL AND PIPE LINES.

ERECTION AND COMMISSIONING OF THE PLANT.

TRIAL RUN AND TRAINING TO THE OPERATORS.

RESPONSIBILITIES OF CLIENT ARE AS FOLLOWS.

EXECUTION AND COMPLETION OF CIVIL WORK.

SUPPLY AND EXECUTION OF PLATFORMS, RAILS AND ACCESSORIES.

SUPPLY AND INSTALLATION OF ALL PIPE LINES AND ACCESSORIES.

SKILLED AND UNSKILLED MAN POWER FOR THE EXECUTION OF PIPELINES AND INTERCONNECTIONS.

SKILLED AND UNSKILLED MAN POWER FOR UN LOADING, INSTALLATION OF EQUIPMENTS, ELECTRICAL CABLING, PLUMBING, WELDING AND MANUAL WORK, WHENVEVER AND WHEREVER NECESSARY.

RETURN AIR TICKETS, LOCAL TRANSPORT AND BOARDING AND LODGING FACILITIES FOR THE ERECTION ENGINEERS FROM CONFIDENT.

SUPPLY OF CHEMICALS, LAB TESTING ARRANGEMENTS AND OPERATORS TO RUN THE PLANT.

SUPPLY OF PEBBLES AND GRADED SAND FOR SAND FILTER.

SUPPLY OF COW DUNG, UREA, DAP, MOLASES / SUGAR / STARCH FOR DEVELOPING BACTERIA CULTURE.

FLOW DIAGRAM

Package Sewage Treatment Plant Cost

OPERATING COST OF ETP FOR 2000M3 / DAY.

SL.NO	DESCRIPTION	CONSUMPTION	UNIT	COST	AMOUNT
1	POWER	145X 20HRS	KWH	Tk.2.5	Tk.7250
2.	ACID	200	LITRE	Tk.10	Tk.2000
3.	POLYMER	2	KG	Tk.400	Tk.  800
4.	MAN POWER	4		Tk.150	Tk.  600
5.	ELECTRODE	40	KG	TK.80	Tk.3200
		TOTAL	Tk.13850

OPERATING COST FOR 2000M3 OF EFFLUENT TREATMENT IS Tk.13850/-

Package sewage treatment plant cost per m3 of effluent treatment is tk. 6.92/-