With the increasing use of advanced technologies for wastewater management and testing, scientists have identified many different types of pollutants which can drastically impact human health and the environment. Moreover, poor effluent quality may not meet standards and regulations established by authorities. Thus, advanced wastewater treatment technologies are required to reduce suspended solids, BOD, nutrients and toxic and remove pollutants in wastewater generated at domestic, industrial and agriculture fields.
A vast quantity of wastewater is generated every day from households, commercial establishments, and industrial settings. Treating organic waste present in the sewage can be challenging as physical and chemical mediums are not quite effective. Thus, biological sewage water treatment processes are generally used to meet effluent standards set.
However, due to the ever-increasing population, urbanization and industrialization, the performance of treatment plants are affected. Moreover, there are stringent local and national regulations to release the effluent into the environment and to protect public health. MBBR technology is an advanced wastewater technology that can be used to optimize the sewage treatment plants and boost their efficiency while keeping the costs low.
With rising population, urbanization and industrialization combined with closing river basins, India is left with highly water stressed regions with the inability to efficiently manage its water resources. Consequently, the average per capita freshwater availability is expected to reduce to 1241 m3 by 2025. It is also estimated that around 29.3 billion cubic meters of water will be required for domestic and industrial purposes by the year 2025. Therefore, efficient and economic biological treatment of industrial wastewater and its reuse have emerged as a potential solution to meet water demands in the future.
Fats, Oils and Grease, popularly known by its acronym FOG, has been a growing concern worldwide. It affects the performance of wastewater treatment plants and industrial treatment units. According to reports, 47% of sanitary sewer overflows occur due to FOG related issues in the US. Similarly, more than 50% of sewer blockages happen in the [...]
Wastewater management is one of the major global challenges faced by developed as well as developing countries today. Rapid industrialization has led to extensive industrial wastewater generation which is one of the leading causes of water pollution. Also, stringent treatment regulations are now in place for sewage and industrial effluent being released in the environment. Thus, an effective industrial wastewater treatment strategy is important.
Biological wastewater treatment, also known as secondary wastewater treatment, is one of the key components of any effluent treatment plant. In this process, the microbial population acts on the sewage or industrial effluent and helps in the degradation of harmful substances and pollutants. The main aim is to protect the environment and public health from the negative effects of untreated or substandard effluent. Given the importance of this process, a comprehensive understanding and regular evaluation and monitoring are critical to keeping maintain the efficiency of the biological system.
Technological advancement in recent times has enabled the wastewater treatment industry to develop new approaches focused on improving pollutants and nutrient removal methods, better efficiency and lower costs. Aerobic granular sludge technology is fast emerging as one of the promising and innovative methods to achieve wastewater treatment objectives.
Water contamination is one of the major challenges worldwide. Several factors such as rapid urbanization, industrialization, population explosion and changing lifestyle habits have contributed to the pollution of water bodies and health problems to humans. In this context, wastewater treatment is of great importance to prevent water contamination and protect the environment.
The petrochemical industry is one of the fastest growing industries which contributes significantly to the growth of world economies. However, different refinery activities such as equipment cooling and desalting which involves water results in the generation of effluents. Also, an extensive amount of hazardous waste consisting of organic and inorganic compounds are left behind, which needs treatment.
In the late 19th and early 20th centuries, wastewater treatment plants became prominent all over the world. Over time, various technologies and treatment solutions have been incorporated to treat wastewater effectively.