Abstract: Liquid streams of chemicals (dosants) such as sodium hypochlorite frequently need to be quickly and thoroughly mixed across a water or wastewater flow. Where no mixing tanks, stirrers, or pumps are available to ensure rapid ...

Abstract: As an early component of a comprehensive program to reduce pollution in Boston Harbor, two 80-yr-old cast-iron outfalls, each 1.5 m (60 in.) in diameter and about 1.6 km (1 mile) long, were cleaned in a pigging operation. ...