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Manufacturer of STP, ETP, Industrial RO, Sewage treatment plant in noida, delhi call-9650608473
Sewage treatment plant in noida,ETP, Industrial RO delhi call-9650608473

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  • 91+ 9650608473
  • 91+ 9650795306
how to reduce bod in wastewater treatment, what is bod in wastewater, how to calculate bod in wastewater

The removal of large numbers of organic compounds, debris, dirt, grit, poisonous, toxic molecules, and polymers, among other things, from industrial effluent is done using effluent treatment plants (ETPs).

Let’s see how is BOD controlled in ETPs.

Reasons to control BOD in Effluent treatment plants

You may already be aware of the several reasons why you must maintain your BOD in check: -

1. BOD levels must abide by state environmental regulations.

2. Beyond a certain point, BOD levels can harm wildlife and make water unpleasant, or even harmful to human health.

3. The efficiency and efficacy of your wastewater equipment can be harmed, by BOD levels that are too high.

4. Overly high 4-BOD concentrations can harm or even kill aquatic life.

How to control BOD in Effluent Treatment Plants or ETPs?

Fortunately, there are some effective tactics for maintaining your BOD, and TSS in check. The best practices listed below can help reduce BOD, and facility managers should be aware of them.

1. Make removing TSS from wastewater a top priority

BOD is almost always decreased when TSS is reduced. First, use mechanical screens like roto-strainers or bar screens to remove large solids. This will lessen the likelihood of your downstream dissolved air flotation (DAF) equipment, being harmed or clogged.

2. Invest in an EQ tank that is of the appropriate size

Overfeeding or underfeeding of flocculants and coagulants can result from variations, in flow and loading rates. With an EQ tank of the proper capacity, your flow and loading rates will be more evenly distributed.

Additionally, it will help determine the proper polymer make-down feeder size, minimizing your upfront costs.

3. Keep the pH of the waste stream consistent

Chemistry for efficient wastewater treatment functions most effectively, between a certain pH range. If the pH sways on either side of this window, the polymer will be wasted or rendered ineffective.

4. Substitute a modern DAF plate pack made of stainless steel or plastic, for the outdated one

The rates of TSS elimination will increase with a contemporary plate pack DAF. Additionally, it will increase your flow and load tolerance flexibility, and reduce the DAF's environmental impact.

5. Use a regenerative turbine and an air-dissolving pump

With very less electricity, a regenerative turbine aeration pump disperses air into water, and generates 20–30 micron air bubbles. These are necessary for the proper treatment of DAF. It is advised to use airflow rates between 150 and 200 CFH.

6. Invest in a DAF that cleans itself

Modern high-rate DAFs need to be disassembled and cleaned every two weeks. You risk clogging problems, solids separation concerns, increased chemical feed rates, and more TSS if you don't clean it.

Invest in a self-draining and self-cleaning DAF to save time and work, instead of cleaning it yourself. To eliminate recalcitrant, heavy, settled particles, correctly built DAF systems offer cleanout apertures or pumps.

7. Use performance-tested liquid chemistry when possible

Complete process automation using liquid chemistry is affordable, and supports a variety of treatment chemistries. It's also far simpler to switch goods when a drum or tote runs out, than it is to wait or throw away a palette of dry bag polymer.

8. Use a flow-proportional dosing and make-down mechanism

Even, if your EQ tank is the right size, you should still utilize a flow proportional dosing system to account for flow cycling. Look for a flow meter with a 4-20 ma output signal to the chemical feed system.

As a result, there will be more consistency, better overall treatment clearance, and less need for chemicals.

What do we offer?

Since, effluent composition varies, specialized wastewater management is required. Every project is different, and our experts at Netsol Water will assist you in selecting the most effective technique, such as an effluent treatment plant for treating effluent in the best way.

Netsol combines cutting-edge technology with years of experience, to handle the most challenging water treatment or wastewater treatment requirements of a wide range of clients, including small enterprises, corporations, and regional government agencies.

Netsol Water is Greater Noida-based leading water & wastewater treatment plant manufacturer. We are industry's most demanding company based on client review and work quality. We are known as best commercial RO plant manufacturers, industrial RO plant manufacturer, sewage treatment plant manufacturer, Water Softener Plant Manufacturers and effluent treatment plant manufacturers. Apart from this 24x7 customer support is our USP. Call on +91-9650608473, or write us at enquiry@netsolwater.com for any support, inquiry or product-purchase related query.

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