The Activated Sludge Process(ASP) exhibits highly nonlinear properties. The design of an automatic control system that is robust against disturbance of inlet wastewater flow rate and has short process settling times i...
Supported by the Major Science and Technology Program for Water Pollution Contro and Treatment-Crucial Technology Research and Engineering Sample Subject on Municipa Wastewater Treatment Process Updated to Higher Drainage Standard(2008ZX07317-02);Wuhan Water Pollution Control and the Water Environment Administer Technology and Synthetic Sample Project in Cities and Towns(2008ZX07317)
A pilot-scale modified carbon source division anaerobic anoxic oxic(AAO) process with pre-concentration of returned activated sludge(RAS) was proposed in this study for the enhanced biological nutrient removal(BNR) of...
Supported by the Basic Research Funds in Renmin University of China from the center government(12XNL101)
The impact of ultrasonic power density on changes of heavy metals during sludge sonication was inves-tigated. Results showed that ultrasound could release heavy metals from sludge into the supernatant. There existed a...
Supported by the Spanish Ministry of Science and Innovation,under the project FOXMORE(CTM2006-05114)
Municipal wastewater treatment plants typically exhibit two classic problems: high ammonium concen- tration in water after conventional biological treatment and, in some cases, poor activated sludge sediment ability....
Supported by the Major Science and Technology Program for Water Pollution Control and Treatment (2008ZX07316)
A pilot-scale,pre-anoxic-anaerobic oxidation ditch was used in this study to treat municipal wastewater with limited carbon source.A novel return activated sludge(RAS) pre-concentration tank was adopted for improv-ing...
Supported by Tianjin Application Basis and Advanced Technology Studied Plans(09JCYBJC08200)
The mechanical dewatering of activated sludge is troublesome due to its high compressibility of solids. The dewatering can be enhanced dramatically by the use of electroosmosis,in which an electric field is applied to...
Supported by the Shanghai Committee of Education (07ZZ158)
Diatomite is a kind of natural low-cost mineral material. It has a number of unique physical properties and has been widely used as an adsorbent in wastewater treatment. This study was conducted to investigate the aer...
Supported by the National Natural Science Foundation of China (No. 20076037).
A new recycling hydrolytic-aerobic combined process was developed to treat the high concentration organic wastewater. Simulated wastewater containing 10 g·L^-1 starch with a CODcr value of 10000 mg·L^-1 wasused. At ...