Lagoons wastewater disinfection
High-intensity Low-pressure Electrodeless Mercury-Argon Lamp for UV Disinfection of Wastewater
... condition of an electrodeless mercury-argon lamp with a RF (13.56MHz) power supply Lighting principal of electrodeless UV lamp Lighting principle of electrodeless UV lamp is shown in Fig The electrodeless ... diagram for mercury (All wavelengths given in nanometers.) Fig Dependence of UV lamp spectrums on water temperature (3) Estimate of the lifetime of...
Ngày tải lên: 05/09/2013, 09:08
Removal of congo red from wastewater by adsorption onto waste red mud
... Namasivayam, and C and Technol., by by solutions K of waste congo slurry red J 53 : 153 - 157 (1992) N Removal waste : 32 - 42 N Removal celluosic Removal biogas by Technol Muniasamy, (1996) T ... Prot R wastewater and by hydroxide Yamuna, R adsorption Waste T on Dye waste Management, : 14 (1994) S., Prasad, G and chrome dye from aqueous : ash fly by : Indian...
Ngày tải lên: 23/09/2012, 14:47
CHEMICAL ANALYSIS OF WATER AND WASTEWATER
... 24 CHEMICAL ANALYSIS OF WATER AND WASTEWATER 24.1 GENERAL ASPECTS OF ENVIRONMENTAL CHEMICAL ANALYSIS Scientists’ understanding of the environment can only ... knowledge of the identities and quantities of pollutants and other chemical species in water, air, soil, and biological systems Therefore, proven, state -of- the-art techniques of chemical analysis,...
Ngày tải lên: 23/07/2013, 20:57
Struvite recovery from wastewater having low phosphate concentration
... treatment process, the pilot scale reactor for struvite recovery treated three kinds of wastewater, thickener effluent, and wastewater from the E.P and from the exhausted gas treatment tower The ... reactor that can be applied to wastewater having low phosphate concentrations and Osaka-Minami ACE center was selected as the examination site As a result, it was found that st...
Ngày tải lên: 05/09/2013, 08:40
PHOTOREACTIVATION OF ENTEROHEMORRHAGIC E. COLI, VRE AND P. AERUGINOSA FOLLOWING UV DISINFECTION
... apparent photoreactivation under sunlight following UV inactivation VRE exhibited apparent photoreactivation The dose of UV light required for 90% inactivation of VRE with and without photoreactivation ... Figure (Tosa and Hirata, 1999) VRE was the most UV resistant bacteria tested, while P aeruginosa and EHEC were weaker The UV doses required for 90% inactiv...
Ngày tải lên: 05/09/2013, 08:40
ZERO EMISSION; AN OPTIMUM WASTEWATER TREATMENT SYSTEM
... OUTLINE OF WASTEWATER TREATMENT SYSTEM New Amagasaki water treatment plant (WTP) (373,000m3･d-1) of the Hanshin Water Supply Authority (HWSA) has introduced advanced water treatment system with ... Pollution Control Law and utilizing water resource effectively, washwater is reclaimed as raw water Figure shows wastewater treatment process at the WTP The wastewater treatment...
Ngày tải lên: 05/09/2013, 08:40
UV-disinfection Reactor Validation by Computational Fluid Dynamics and Relation to Biodosimetry and Actinometry
... output×Number of lamps/Volume of reactor (12) It was founded that the higher UV density leads to higher β values VALIDATION OF UV REACTOR BY COMPUTATIONAL FLUID DYNAMICS MODEL To know UV dose distribution ... turbulence and UV intensity gradient of reactor - 80 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 Table the mixing characteristic coefficient...
Ngày tải lên: 05/09/2013, 09:08
Treatment of Textile Wastewater by a Coupling of Activated Sludge Process with Membrane Separation
... tank and a microfiltration membrane as separation apparatus The aeration tank was made from Plexiglas with a working volume of liters Air was supplied to the aeration tank through diffusers at a ... quality, and kinetic parameters were also investigated PERMEATE COMPRESSED AIR INFLUENT AIR SLUDGE WASTE Fig Schematic Diagram of the Coupling of Activated Sludge Proces...
Ngày tải lên: 05/09/2013, 09:08
EVALUATION OF HEALTH RISKS IN THE WASTEWATER RECLAMATION IN THE ABUKUMA WATERSHED, JAPAN
... Prediction of the river discharge at the intake point The wastewater reclamation is simulated in Fukushima city located at the middle reach of the Abukuma river in Japan In this city with the population ... Expectation of DALY (DALYa) lost by liver cancer for the individual RESULTS AND DISCUSSIONS Health risks of infection and cancer in the wastewa...
Ngày tải lên: 05/09/2013, 09:08
Enhancement of domestic wastewater treatment under long sewer line condition in a laboratory set-up by Aspergillus niger bioaugmentation
... aminopeptidase Valine aminopeptidase Leucine aminopeptidase Lipase (C14) Lipase (C8) Esterase (C4) Alkaline phosphatase Polysaccharidasesesrot Proteases Enzyme Figure Enzymatic profiles in wastewater under ... niger bioaugmentation enhanced the COD uptake rate four times than activated sludge bioaugmentation Table Kinetics of protein removal in domestic wastewater by A...
Ngày tải lên: 05/09/2013, 09:08
PRETREATMENT OF COMPLEX INDUSTRIAL WASTEWATER BY OZONATION
... content of colorants in wastewater, their variety and stability hamper or even prevent their treatment The treatment of complex industrial wastewater is a difficult and costly task because of its ... costs associated with the use of ozone as pretreatment technique for complex industrial wastewater, efficiency of the process has to be optimized An appropriate choice of...
Ngày tải lên: 05/09/2013, 09:08
Behavior of Nitrite Oxidizers in the Nitrification/Denitrification Process for the Treatment of Simulated Coke-Oven Wastewater
... -80oC The extraction of DNA was performed with Fast DNA SPIN Kit for Soil (Qbuiogene, USA) according to the instruction by the manufacturer In the preliminary step to nawwor down the species of ... affected the activities of nitrite oxidizing bacteria - 31 - Journal of Water and Environment Technology, Vol.5, No.1, 2007 Figure Behavior of nitrate and nitrite at...
Ngày tải lên: 05/09/2013, 09:38
Hydrophytes may play an important role in sewage disinfection in constructed wetlands
... 12.6 mg·L-1, respectively In conclusion, P hydropiper may play an important role in sewage disinfection in CWs, but its living inhibiting pathogenic micro-organisms in the ecosystem need to be ... Arundo donax and Typha latifolia on coliphage T4 and f2 In order to remove pathogenic micro-organisms in sewage and choose hydrophytes for the sewage disinfection s...
Ngày tải lên: 05/09/2013, 09:38