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 […]

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 […]