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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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  • 0120-2350053
  • 91+ 9650608473
  • 91+ 9650795306
chemical characteristics of wastewater, physical chemical and biological characteristics of wastewater, physical properties of wastewater

The properties of wastewater vary substantially between industries. The treatment methods that will be employed to satisfy the compliance discharge criteria will, therefore, be determined by the unique characteristics.

Materials with comparable pollution impacts are grouped into pollutant or characteristic classes. In this blog, we shall learn some of the fundamental ideas behind the physical, chemical and biological constituents of wastewater.

What are the Physical Chemical and Biological parameters of wastewater?

This standard specifies the acceptable and permissible limits. Because, values above those stated under "Acceptable" render the water unfit, it is advised that the acceptable limit be put into practise.

However, such a value might be accepted in the lack of a substitute source. The sources must be disregarded if the value goes over the upper and lower bounds, listed under the "permissible limit in the absence of an alternate source."

General standards for discharge of effluent/wastewater

 

S.No.

Parameter

Inland-surface water

Public Sewers

Land-for irrigation

Marine Coastal areas

1.

Suspended solids mg/l, Max

100

600

200

(a)For process waste-water: 100

 

(b)For cooling water: 10% above TSS of influent.

2.

Particulate size of suspended solids

Shall pass 850 micron IS Sieve

-

-

(a)Floatable solids, Max: 3 mm.

 

(b)Settleable solids, Max: 850 microns.

3.

pH Value

5.5 to 9.0

5.5 to 9.0

5.5 to 9.0

5.5 to 9.0

4.

Temperature

Should not exceed 5oC, above the receiving temperature

-

-

Should not exceed 5oC, above the receiving temperature

5.

 Oil and grease mg/l Max.

10

20

10

20

6

Total residual chlorine mg/l (Max)

1.0

-

-

1.0

7.

Ammonical nitrogen (as N), mg/l (Max)

50

50

-

50

 

8.

Total Kjeldahl Nitrogen (as NH3) mg/l, (Max)

100

-

-

100

9.

Free ammonia (as NH3) mg/l, (Max)

5.0

-

-

5.0

10.

BOD for 3 days, 27oC, mg/l (max)

30

350

100

100

11.

Chemical Oxygen Demand, mg/l, (max)

250

-

-

250

12.

Arsenic (as As), mg/l, (max.)

0.2

0.2

0.2

0.2

13.

Mercury (as Hg), mg/l, (Max)

0.01

0.01

-

0.01

14.

Lead (as Pb.) mg/l, (Max)

0.1

1.0

-

2.0

15.

Cadmium (0as Cd) mg/l, (Max

2.0

1.0

-

2.0

16.

Hexavalent Chromium (as Cr+6), mg/l (max)

0.1

2.0

-

1.0

17.

Total chromium (as Cr.) mg/l, (Max)

2.0

2.0

-

2.0

18.

Copper (as Cu) mg/l, (Max)

3.0

3.0

-

3.0

19.

Zinc (As Zn.) mg/l, (Max)

5.0

15

-

15

20.

Selenium (as Se.) mg/l, (Max)

0.05

0.05

-

0.05

21.

Nickel (as Ni) mg/l, (Max)

3.0

3.0

-

5.0

In some special instances or for large municipal wastewater treatment plants, special parameters are considered.

These parameters include:

• Hard Nitrogen: It is found in minerals (ammonia, nitrate) and organic forms. Its organic or ammonical presence depletes oxygen in the natural environment, causing living conditions to change.

• A ratio such as COD/BOD-5: This ratio identifies the source and origin of organic pollutants. Surface water that hasn't been polluted has a BOD-5 value of 2 to 20 mg/l. Measures beyond those are indicators of water contamination.

Choosing the best servicepartner for your wastewater treatment

A wide variety of wastewater treatment options are offered by Netsol Water, including phosphorus removal, odour control, clarifying, sludge dewatering, chlorination/de-chlorination, physico-chemical and biological treatment of wastewater, etc.

For the most difficult water treatment or wastewater treatment demands of a wide spectrum of clients, including individual businesses, corporations, and local government agencies, Netsol combines cutting-edge technology with decades of experience.

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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