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Effluent treatment plant pdf

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Planning an Effluent Treatment Plant. Factors to Consider. 3. Treatment Methods. Physical Unit Operations. Chemical Unit Processes. The design of the Tougas purification plant makes it possible to treat effluent . homeranking.info PDF | Waste-water treatment is a process which is being done on the waste- water to change it's quality for drinking or other suitable purposes.


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EFFLUENT. SLUDGE. • ETP (Effluent Treatment Plant) is a process design for treating the industrial waste water for its reuse or safe disposal to the environment. Kerry Foods Shillelagh. August IPPC Application. Attachment F Effluent Treatment Plant Manual Works Description. For inspection purposes only . industry and controls the overall quality of the treated effluent. In this study, four (4 ) diverse industries were selected and a Common Wastewater Treatment Plant.

Hamidul Kabir of the Department of App. Corporate office and factory are located at same location and take up an area of more than square feet and 3, 50, square feet for production process respectively. Last ECC renewal copy 6. Hydro Extractor Motor a. IAL Submitted By:

There are more than 4, experienced workers are employing in the total process. The Garments unit alone has about 57 lines with a monthly production capacity is 2. IAL prides itself in meeting all international standards for good work environment that is compliant with both national and international rules. This treatment is done by four stages such as preliminary, primary, secondary and tertiary treatment.

Waste water comes from mainly dyeing and washing through a trench to equalization tank so for preliminary treatment is done by screening by using net or sieve for removal of large solids such as rags, sticks, grit and grease that may result in damage to equipment or operational problems at different stages of trench.

After primary filtration, the liquor passes to cooling and mixing tank in which uniform mixing of effluents from various processes takes place. The effluent is pumped to a tank in which it is neutralized by cultural bacteria namely Bio-formula dozing. The tank has an automatic dosing controller which at automatically control the dose of acid or alkali to maintain the required PH.

Then the effluent is pumped to the coagulation tank and to mix up different chemicals such as lime, ferrous sulfate etc. Chemical coagulation is very effective for removal of color and suspended materials, aluminum, ferrous, ferric chloride, chlorinate d-copper etc.

To increase the efficiency of coagulation, chemical may be added for example polyelectrolyte. Some of the soluble organic matter and light suspended solids will form a blanket of flocculent matter with the coagulants. The blanket is skimmed off to another tank and the remaining solution is moved to dual media filter and centrifuge hydro extractor.

After filtration the purified water sent to drain which eventually reach to the river or anywhere else.

From the outlet quality of ETP, it can be mentioned here that though the water cannot be directly use in the dyeing, washing and finishing process. It is quite good to use in any other non-process like cleaning of dyeing floor, toilet flashing, car washing and gardening etc.

The rate of the solution is maintained by trained personnel depending on the quality of the waste water. This dosing rate is determined by Jar test. Maintenance of the ETP: Like any other facility a waste water treatment plant require continuous maintenance. So, maintenance of ETP plant as a whole is very important.

There are different types of maintenance strategies; these are Routine maintenance, Mechanical maintenance, Breakdown maintenance and Annual shut down maintenance. In our ETP Routine maintenance is done in every Friday and annual shut down maintenance during Eid vacation to maintain standard quality of the discharge water.

Bar screens are cleaned about times in everyday.

Treatment plant pdf effluent

Sludge Treatment and Handling: The sludge which is generated in the Flash mixing tank, Flocculation tank, Bio-Reactor and Tube settler 1, 2, 3 and 4 is taken to sludge sump. Here also aeration is carried out.

The heavy sludge waste is then pumped to a sludge thickener tank where the sludge is thickened at the bottom of the tank. The thickened sludge from the thickener is pumped to centrifugal hydro extractor for dewatering the sludge. The dewatered sludge is transformed into a cake form. Tests Performed at the Factory: The advantage of these instruments does not need to be taken away and also results are obtained immediately in field. Equalization Tank Section 1. Air Compressor for Aeration and Mixing a.

Number of Units: Screw type c.

Effluent Transfer Pump a. Quock San Designation: Corporate office and factory are located at same location and take up an area of more than square feet and 3, 50, square feet for production process respectively.

There are more than 4, experienced workers are employing in the total process. The Garments unit alone has about 57 lines with a monthly production capacity is 2.

IAL prides itself in meeting all international standards for good work environment that is compliant with both national and international rules.

Pdf effluent treatment plant

This treatment is done by four stages such as preliminary, primary, secondary and tertiary treatment. Waste water comes from mainly dyeing and washing through a trench to equalization tank so for preliminary treatment is done by screening by using net or sieve for removal of large solids such as rags, sticks, grit and grease that may result in damage to equipment or operational problems at different stages of trench.

After primary filtration, the liquor passes to cooling and mixing tank in which uniform mixing of effluents from various processes takes place. The effluent is pumped to a tank in which it is neutralized by cultural bacteria namely Bio-formula dozing.

The tank has an automatic dosing controller which at automatically control the dose of acid or alkali to maintain the required PH. Then the effluent is pumped to the coagulation tank and to mix up different chemicals such as lime, ferrous sulfate etc.

Chemical coagulation is very effective for removal of color and suspended materials, aluminum, ferrous, ferric chloride, chlorinate d-copper etc. To increase the efficiency of coagulation, chemical may be added for example polyelectrolyte. Some of the soluble organic matter and light suspended solids will form a blanket of flocculent matter with the coagulants. The blanket is skimmed off to another tank and the remaining solution is moved to dual media filter and centrifuge hydro extractor.

After filtration the purified water sent to drain which eventually reach to the river or anywhere else. From the outlet quality of ETP, it can be mentioned here that though the water cannot be directly use in the dyeing, washing and finishing process.

It is quite good to use in any other non-process like cleaning of dyeing floor, toilet flashing, car washing and gardening etc.

The rate of the solution is maintained by trained personnel depending on the quality of the waste water. This dosing rate is determined by Jar test. Maintenance of the ETP: Like any other facility a waste water treatment plant require continuous maintenance. So, maintenance of ETP plant as a whole is very important. There are different types of maintenance strategies; these are Routine maintenance, Mechanical maintenance, Breakdown maintenance and Annual shut down maintenance. In our ETP Routine maintenance is done in every Friday and annual shut down maintenance during Eid vacation to maintain standard quality of the discharge water.

Bar screens are cleaned about times in everyday. Sludge Treatment and Handling: The sludge which is generated in the Flash mixing tank, Flocculation tank, Bio-Reactor and Tube settler 1, 2, 3 and 4 is taken to sludge sump.

Here also aeration is carried out.

The heavy sludge waste is then pumped to a sludge thickener tank where the sludge is thickened at the bottom of the tank. The thickened sludge from the thickener is pumped to centrifugal hydro extractor for dewatering the sludge. The dewatered sludge is transformed into a cake form. Tests Performed at the Factory: The advantage of these instruments does not need to be taken away and also results are obtained immediately in field. Equalization Tank Section 1.

Air Compressor for Aeration and Mixing a. Number of Units: