DETCWAT Wa
Sino -Dutch Demonstration Researcher and Training Centre for Water Treatment 1
Applications of membrane processes and production of membrane 膜技术应用及膜制造 中国环境管理干部学院 环境技术研究与实验中心 DETCWAT
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 2 Applications of membrane processes and production of membrane 膜技术应用及膜制造 中国环境管理干部学院 环境技术研究与实验中心
6 Membranes in water treatment >What is a membrane? >Applications of membranes 。Foodprocessing Medical (dialyses,breathing) Water treatment(drinking water,Membrane Bioreactor) Industrial production (gas separation,extraction, pervaporation) > Basic principles,nomenclature or how do we call what? >Units (Cp,Retention,Flux,MTC,TMP,Osmotic pressure Recovery) > Driving force Filtration spectrum DETCWAT Cre or er e
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 3 6 Membranes in water treatment ➢ What is a membrane? ➢ Applications of membranes ⚫ Foodprocessing ⚫ Medical (dialyses, breathing) ⚫ Water treatment (drinking water, Membrane Bioreactor) ⚫ Industrial production (gas separation, extraction, pervaporation) ➢ Basic principles, nomenclature or how do we call what? ➢ Units (Cp, Retention, Flux, MTC, TMP, Osmotic pressure, Recovery) ➢ Driving force ➢ Filtration spectrum
Production of membranes >Membrane types >Module configurations (flt plate,tube,fibre,capillary,spiral wound) >Proces configurations (cross flow,dead end,semi dead end）, > Membrane applications 。Foodprocessing Beer,dairy,juice,yeast Medical (dialyses,breathing) Water treatment(drinking water,Membrane Bioreactor) Industrial production (gas separation,extraction, pervaporation) > Fouling Membrane bioreactors >Some applications of membranes in water treatment DETCWAT
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 4 ➢ Production of membranes ➢ Membrane types ➢ Module configurations (flt plate, tube, fibre, capillary, spiral wound) ➢ Proces configurations (cross flow, dead end, semi dead end) ➢ Membrane applications ⚫ Foodprocessing Beer, dairy, juice, yeast ⚫ Medical (dialyses, breathing) ⚫ Water treatment (drinking water, Membrane Bioreactor) ⚫ Industrial production (gas separation, extraction, pervaporation) ➢ Fouling ➢ Membrane bioreactors ➢ Some applications of membranes in water treatment
6 membranes Retentate Feed Permeate DETCWAT
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 5 6 membranes
Nomencl Retentate >Feed >Concentrate >Brine >Permeate Trans Membrane Press >Surface Feed >Structure Fouling Permeate LETCWAT Cre or er e
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 6 Nomenclature ➢ Feed ➢ Concentrate ➢ Brine ➢ Permeate ➢ Trans Membrane Pressure ➢ Surface ➢ Structure ➢ Fouling
Categories of Membrane Processes Pressure Driven Processes Reverse Osmosis,Nanofiltration Ultrafiltration,Microfiltration Other Processes -Dialysis,Electrodialysis Driving force is Driving force is electric concentration difference potential difference
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 7 Categories of Membrane Processes Pressure Driven Processes - Reverse Osmosis, Nanofiltration Ultrafiltration, Microfiltration Other Processes -Dialysis, Electrodialysis Driving force is concentration difference Driving force is electric potential difference
Pressure driven Membrane filtration Feed Concentrate Retentate =Brine membrane Product water= 。microfiltration permeate ●ultrafiltration Decrease of pore size 。nanofiltration increase of pumping pressure ●reverse osmosis DETCWAT
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 8 membrane Feed Product water = permeate Concentrate = Retentate =Brine Pressure driven Membrane filtration membrane • microfiltration • ultrafiltration • nanofiltration • reverse osmosis Decrease of pore size / increase of pumping pressure
Particle size and Separation size Question Please give appropriate sizes of 10 0.l4m Bacteria Sand Virus Silt Nutrient Clay Cemeoere
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 9 Particle size and Separation size 1nm 10nm 0.1m m 1m m Bacteria Virus Nutrient Sand Silt Clay Question : Please give appropriate sizes of …
Particle size and Separation size Nitrients Viruses Organic de bris Natural Organic Matters Clay.Silt lons Proteins Bacteria Pesticides Endocrine disrupting chemicals Inm 10nm 0.l4m lum Please give appropriate separation sizes of... Reverse Osmosis,Nanofiltration. Ultrafiltration,Microfiltration,Filter Papers DETCWAT 10
Sino-Dutch Demonstration Researcher and Training Centre for Water Treatment 10 Particle size and Separation size 1nm 10nm 0.1m m 1m m Nutrients Natural Organic Matters Viruses Proteins Bacteria Ions Pesticides, Endocrine disrupting chemicals Clay, Silt Organic debris Please give appropriate separation sizes of … Reverse Osmosis, Nanofiltration, Ultrafiltration, Microfiltration, Filter Papers