What are the Effluent Treatment Standards for Different Industries?

Effluent treatment serves a major part in industries as it determines the quality of wastewater which is released to the environment. The characteristics of wastewater flow are dependent upon the related industry, as are the methods of treatment and prevention. We shall examine the numerous industries that are covered by wastewater treatment standards as well as the importance of the regulations in today's blog.

The Importance of Effluent Treatment Standards

Effluent Treatment Standard refers to legal requirements established by government or by environmental protection agencies to control the quality of water that is used in various industrial processes. These are essential in order to prevent water quality from becoming contaminated and also to serve the purpose of supply of water to the people and their domestic animals.

The Effluent Treatment Standards For Various Industries

Textile Industry

The textile industry produces pollutants like dyes, chemicals, and fibers in its wastewater streams. The effluent treatment standards laid down for this particular industry involve colour, suspended solid and toxic substance. There are also physical, chemical and biological processes whereby the water receiving stream receives appropriate treatment before its discharge.

Pharmaceutical Industry

Pharmaceutical manufacturing wastewater comprises of organic matter, organic solvents and active pharmaceutical ingredients. This industry has treatment standard for the removal of wastes thought to be hazardous to the health of man and the environment. Some of the most frequently applied treatment technologies include membrane filtration as well as advanced oxidation.

Chemical Industry

The chemical effluent that can be produced by the chemical industry are chemicals which are dangerous to humans, metals and chemicals that are organic in nature. According to treatment standards in this industry, such contaminants should be totally eliminated or neutralized. Some of the techniques used to achieve these standards includes chemical precipitation, ion exchange and biological treatment.

Food and Beverage Industry

The waste water generated from the food and beverage companies consist of high amount of biological oxygen demand, oil and fats. Some of the treatment standards are BOD, COD and remove the oils and grease. Other biological method of treatment that has been employed more often in this type of effluent is aerobic digestion.

Petroleum Industry

The petroleum industry produces effluent which comprises of hydrocarbons, heavy metals, and salts. Economic and social requirements for industry treatment require the elimination of both oil and grease, as well as the dilution of pollutants to an acceptable concentration. To achieve these high standard, physical, chemical and biological methods of water treatment are applied.

Paper and Pulp Industry

Pulp and paper industry released effluent containing lignin, fiber and chemicals used in the process of pulping. These compounds need to be made to disappear from the water together with the BOD ad COD values. In most cases, secondary and tertiary treatment such as anaerobic digestion and chemical treatment is required.

How Industries Meet Effluent Treatment Standards?

In order to meet these standards, industries seek the services of effluent treatment plants (ETPs) with conditions suitable for their industries. These plants are aimed at removing diverse pollution from the wastewater depending on the type of pollution present in the water in order to provide clean water that can be discharged further.

Conclusion

Effluent treatment standards are an essential part in helping to safeguard our environment and the health of our people. Various industries generate various types of wastewater, the effluents generated from these industries need various methods of treatment in order to conform to these standards. Therefore, by following the mentioned guidelines, industries can reduce their negative effects on the environment and make the world a better place.

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