8 Ways to Check the Car Engine When Buying a Used Car

Buying a second-hand car is cost-effective and can offer you the best value for your money. However, the value you get from the car depends on many factors, such as the condition of the vehicle, its market value, and service history. The engine is the most essential part that every buyer must check before buying […]

Biogas from Leather Industry Wastewater

tannning-waste-india

The conventional leather tanning technology is highly polluting as it produces large amounts of organic, inorganic and other types of harmful pollutants. Wastes generated by the leather processing industries pose a major challenge to the environment. According to conservative estimates, about 600,000 tons per year of solid waste are generated worldwide by leather industry and […]

Ultrasound-Activated Anaerobic Digestion of Sewage Sludge

Ultrasonic disintegration is a method for breakup of microbial cells to extract intracellular material. Ultrasound-activated sewage sludge disintegration could positively affect anaerobic digestion of sewage sludge at sewage treatment plants (STPs). Due to sludge disintegration, organic compounds are transferred from the sludge solids into the aqueous phase resulting in an enhanced biodegradability. Therefore disintegration of sewage […]