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Relationship between Solubilization of Activated Sludge and Reduction of Excess Sludge Using New System of Alkaline Solubilization with High Speed Mixing
Activated sludge Excess sludge Alkaline solubilization High speed mixer Waste material Wastewater treatment
2010/9/8
Reduction of waste materials has become very important in the petroleum industry. Sludge accounts for 51% of waste materials produced in petroleum plants. Most sludge is excess activated sludge discha...
Biological Treatment of Pickling Industry Wastewater in an Activated Sludge Unit
Pickling industry wastewater biological treatment halophilic bacteria
2009/10/14
Biological treatment of pickling industry wastewaters usually result in low COD removal eciencies because of plasmolysis of cells due to high salt content (%3-5) of the wastewater. Utilization of sal...
Effect of Shock Chromium(VI) Load on the Activated Sludge Process
Activated sludge Cr(VI) heavy metals shock load
2009/10/14
The e ects of shock doses of Cr(VI) on activated sludge process operating at a xed dilution rate (0.12h−1) without recycle has been investigated. Di erent levels of Cr(VI) (1.0, 2.0, 3.0, 5.0, ...
Adsorption of Phenols and Chlorophenols in Wastewaters on Activated Carbon and Dried Activated Sludge
Phenol/o-chlorophenol/p-chlorophenol adsorption activated carbon activated sludge
2009/10/14
One of the methods used for removal of phenols and chlorophenols from the wastewaters of petroleum refineries, coke, medicine, dye, plastics, pesticide, insecticide, and paper industry is the adsorpti...
Solubilization and Reduction of Activated Sludge from Petroleum Refinery Using High Speed Mixer and Alkaline Treatment
Alkaline solubilization High speed mixer Activated sludge treatment
2009/8/4
A practical solubilization plant (3 m3) for activated sludge was constructed beside the wastewater treatment plant (600 m3 activated sludge vessel) of a petroleum refinery to solubilize activated slu...
Stimulatory Solubilization of Activated Sludge from Refineries by Using High Speed Mixer and Waste Alkaline Solution
Speed Mixer Waste Alkaline Solution
2009/7/27
Stimulatory Solubilization of Activated Sludge from Refineries by Using High Speed Mixer and Waste Alkaline Solution.
Solubilization of Activated Sludge with Waste Materials from Refineries
Activated sludge process Excess sludge Waste material Solubilization
2009/7/27
The use of chemicals and waste materials from petroleum refineries for the solubilization of activated sludge was investigated. "Refinery spent caustic" and sodium sulfate had similar solubilization a...
Reduction rates and growth of two species of Aeolosomatidae on activated sludge
Aeolosoma Aeolosomatidae sludges reduction survival reproduction reactor model
2009/6/3
The presence of worms in aerobic wastewater treatment may lead to a substantial sludge reduction, but the practical
application of worms for sludge reduction is uncontrollable because of unstable wor...
Bio-Oxidation of Air-Borne Hydrophobic VOCs in Activated Sludge Aeration Tanks-Effects of Activated Sludge Concentration and Gas Diffuser
Hydrophobic VOCs Activated sludge aeration Bio-oxidation Diffuser
2016/3/25
An activated sludge aeration basin (20 cm i.d., 140 cm height) equipped with either a coarse air
diffuser (a plastic pipe perforated with 56 orifices of 2 mm in diameter) or a fine diffuser (porous
...
Use of Natural Zeolite to Upgrade Activated Sludge Process
Acinetobacter calcoaceticus bioaugmentation natural zeolite
2009/3/19
The objective of this study was to achieve better efficiency of phosphorus removal in an enhanced biological phosphorus removal process by upgrading the system with different amounts of natural zeolit...
Investigation of Cadmium (II) Ions Biosorption onto Pretreated Dried Activated Sludge
Wastewater chrome sorbtion
2009/3/18
Problem statement: Heavy metals have been one of hazardous components in industrial effluents that can be damaged on the environment by discharging uncontrolled wastewater. The aims of this investigat...
Henry’s Law Constant Variations of Volatile Organic Compounds in Wastewater and Activated Sludge
Partition coefficient phase equilibrium mixed liquor suspended solid total organic carbon bioscrubbing
2016/3/30
Henry’s law constant is an important equilibrium factor in the mass transfer process of volatile
organic compounds (VOCs). A single equilibration technique (SET) was adopted to measure the
air-water...
DETERMINATION OF DESIGN CRITERIA OF AN H-IFAS REACTOR IN COMPARISON WITH AN EXTENDED AERATION ACTIVATED SLUDGE PROCESS
IFAS MBBR H-IFAS nitrification denitrification biological phosphrous removal extended aeration
2010/4/6
Advanced compact wastewater treatment processes are being looked for by cities all over the world as effluent standards are becoming more stringent and land available for treatment plants more scarce....