Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers - Dimensions and technical delivery conditions— 16 стр.
Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002— 16 стр.
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants; German version EN 12566-3:2005— 48 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 3: Specific principles for the equipment for aerobical biological wastewater treatment— 28 стр.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 4: Specific principles for shutoff devices as penstocks, sluice gates, stoplogs etc.— 11 стр.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 8: Specific principles for the equipment for sewage treatment in granular media filter and granular fixed bed filter— 14 стр.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 10: Specific principles for the equipment for thermal sludge drying— 16 стр.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 10: Specific principles for the equipment for thermal sludge drying— 25 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.
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 5: Specific principles for plants for anaerobic wastewater treatment— 12 стр.
