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Dairy Industry

Home Domain Domain expertise Dairy Industry

The effluent from dairy industry come from discarded milk nutrients, detergents, sanitizers, dissolved solids containing sodium chloride, small amount of lubricants, etc. They contain high concentrations of organic material such as proteins, carbohydrates, and lipids; high concentrations of suspended solids, or high biological oxygen demand (BOD) and chemical oxygen demand (COD). They also have high nitrogen concentrations, high suspended oil and/or grease contents, and large variations in pH. This requires special treatment to minimize environmental problems. Primary treatment is used to remove grates, oil and grease. To maintain acidity, neutralization process is must for these wastes. Dairy waste water is highly biodegradable, hence, requires an effective biological treatment. Aeration tank is used for biological treatment of waste water. Therefore it is a big challenge for Effluent Treatment Plants to maintain their COD and other parameters of their effluent to meet specifications decided by regulatory board. The characteristics of discharge effluent vary, depending on the product manufactured, the materials used in the process, and the other process details. The typical characteristics of discharge effluent for dairy industries are listed in the table below:

Sr. No. Parameter Unit Concentration range
1 Color - White
2 Odor - Earthy smell with some ammonia present
3 Temperature ºC 25 - 30
4 pH - 4
5 Total solid mg/lit 19000
6 Total suspended solid mg/lit 12150
7 BOD mg/lit 14000
8 COD mg/lit 2100
9 Oil/Grease mg/lit 320
10 Coliform bacteria MPN/100ml 400
11 Phosphorus mg/lit 10
12 Nitrogen mg/lit 2


Problems in ETP:

  • High temperature of the waste waters may instantaneously kill fish and other aquatic organisms, thus destroying the flora and fauna of a river, when the waste waters are discharged into it
  • More chemical usage for neutralization
  • High concentration of readily decomposable organic matters
  • Foul smell due to decomposition of soluble and suspended organic matters present in the waste waters
  • Low yield of biogas due to byproducts

HyCator® Reactor Systems for Dairy Industry

HyCa Technologies have a range of products which are environmentally safe and cost effective for effluent treatment of Dairy Industry. We generally suggest HyCator® reactor systems to effluent treatment plants in the following manners but it varies as per the client requirements and limitations.

The applications of HyCator® reactor at effluent treatment plant are listed below:

  1. HyCator® MBD increases the digestibility of the effluent in UASB digestor and aerator by breaking long-chain / polymeric/ refractory compounds and thus, reduce the COD and increase the Biogas production. HyCator® MBD can also be installed in the inlet effluent streams (High load) / neutralization tank or recycle stream of effluent, if any.
  2. HyCator® OLM ensures the energy efficient, precise, microlevel, online mixing even at very high flows. It will help to reduce the chemicals in neutralization and subsequent processes.
  3. HyCator® DOB increases the dissolved oxygen content in aerator tanks as compared to conventional surface aerator or diffused aerator and also, increases the activity of microbes by de-flocking them. Thus results in reduction in sludge generation, hence, very less load on clarifiers and less solid disposal issues

Quick Contact

  • + (91) (22) 2566 8037
  • 176, Udyog Bhavan, Sonawala Road,
    Goregaon (E), Mumbai - 400 063, INDIA