Wastewater treatment plants - Rectangular tanks - Part 3: Grit chambers with suction type sludge remover and sludge scraper; Types, main dimensions, equipment— 8 стр.
Wastewater treatment plants - Rectangular tanks - Part 3: Grit chambers with suction type sludge remover and sludge scraper; Types, main dimensions, equipment— 8 стр.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 2: Specific principles for the equipment for separating and thickening of solids— 28 стр.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 13: Equipment for separation and treatment of mineral solids such as grit— 21 стр.