Activated Sludge Process – Stages and Process Control

Activated Sludge Process is a globally used wastewater treatment technique. In the previous blogs, I had shown you the various secondary wastewater treatment techniques. In this blog, we will dig deep into this widely used technique of activated sludge process, its configuration, process control and aeration methods.… Read More Activated Sludge Process – Stages and Process Control

Biochemical Oxygen Demand || Dissolved Oxygen of Water || Full Details

Biochemical Oxygen Demand is a term all of us come across in most of the articles on water pollution. In this blog, I will walk you through Biochemical Oxygen Demand, its significance and measurement. Before delving into Biochemical Oxygen Demand we should first understand the concept of Dissolved Oxygen (DO), its significance and measurement.… Read More Biochemical Oxygen Demand || Dissolved Oxygen of Water || Full Details

What are Water Pollutants? – Definition, Sources and Types

Water Pollutants kill more people every year than from all forms of violence including war, according to the UNDESA. Every day, 2 million tons of sewage, industrial, and agricultural waste reaches water bodies all over the world. With the growth of the human population, industrial and agricultural activities the hydrological cycle got disrupted. As a result, declining water quality has become a global issue of concern.… Read More What are Water Pollutants? – Definition, Sources and Types

Air Pollution Control measures – Top 9 Air pollution control devices

It’s the need of the hour to take measures for air pollution control and prevention since millions of Indians are constantly exposed to polluted air. For instance, they breathe up to 25 micrograms/cubic metre of the lethal, microscopic pollutant PM 2.5 on a 24-hour average. This is well above the World Health Organization’s (WHO) limit of 10 micrograms/cubic metre.… Read More Air Pollution Control measures – Top 9 Air pollution control devices

What are air pollutants? | Types,sources and effects of air pollution

Air Pollutants Examples, Air Pollutants meaning, Effects of Air Pollution, Hazardous Air Pollutants, Major Air Pollutants, Primary Air Pollutants, Secondary Air pollutants, Sources of Air Pollutants, what air pollution is, What are air pollutants?, What are air pollution causes?, What are criteria air pollutants?, What are greenhouse gases?, What are the air pollutants?, What are the five major air pollutants?, What are the main air pollutants?, What is air pollutants?… Read More What are air pollutants? | Types,sources and effects of air pollution

Air Quality Index in Delhi – AQI categories and Causes

According to the recently released IQAir AirVisual 2020 World Air Quality Report, India is home to 15 of the world’s 20 most polluted cities. Would you believe it if I say that a public emergency was declared in a city after its air quality index plunged to ‘severe plus’ levels of about 530? This happened nowhere other than New Delhi. Read on to find more about the Delhi Air Quality Index and what were the causes of this extreme level of pollution.… Read More Air Quality Index in Delhi – AQI categories and Causes