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Standard water treatment eliminates 'enveloped' viruses（图）
Standard water treatment eliminates enveloped viruses
2021/3/5
Among the many avenues that viruses, such as the novel coronavirus, can use to infect humans, drinking water may pose only a tiny risk. However, in cases where there is unauthorized wastewater disposa...
CONTAMINATION WITH HELMINTH EGGS OF VARIOUS PROCESSING STAGES OF THE SEWAGE TREATMENT PLANT
Sewage treatment plant Helminthiases
2010/1/5
Because of the establishment of a sewage treatment plant in the city of Isfahan in recent years, a study was undertaken to investigate the effect of this system in reducing the high prevalence of helm...
APPLICATION OF PACT SYSTEM TO INCREASE TEHRAN OIL REFINERY EFFLUENT TREATMENT EFFICIENCY
Refinery effluent treatment Oil refinery waste water PACT process (Simultaneous activated sludge and powdered activated carbon system)
2010/1/4
This research was done in order to determine the basic criteria for “Tehran Oil Refinery Effluemt TreatmentUnit” to prove the feasibility of the application of powdered activated carbon in aeration zo...
A STUDY OF ANAEROBIC FILTER FOR DOMESTIC AND SLAUGHTER HOUSE WASTE WATER TREATMENT
Domestic wastewater Slaughter house wastewater treatment
2010/1/4
To study the feasibility of anaerobic filter in raw sewage and slaughter house wastewater treatment, slaughter house wastewater treatment, a batch flow pilot plant was designed. In phase one, with a d...
STARTUP OF UPELOW ANAEROBIC SLUDGE BLANKET REACTOR FOR INDUSTRIAL WASTEWATER TREATMENT
Anaerobic sludge blanket reactor Anaerobic granule formation
2010/1/4
Up flow anaerobic sludge blanket (UASB) reactors have been increasingly used for industrial wastewater treatment. Because of existing problems in startup step of these reactors, in this research the s...
PROFITABILITY OF STABILIZATION PONDS IN SERIES FOR TREATMENT OF SANITARY SEWAGE
Oxidation pond Sewage treatment
2009/12/30
Sewage stabilization pond is recommended as one of the economical methods for sewage treatment particularly in dry areas of the world and those places which are in shortage of water and income deficit...
AN EVALUATION OF APPLICABILITY OF PHYSICO-CHEMICAL THRTIARY TREATMENT OF DOMESTIC WASTE IN A REGION OF TEHRAN,IRAN
Physico-chemical treatment Domestic waste
2009/12/29
The Purpose of this study was comparison of applicability of tertiary treatment of Tehran domestic sewage with organic and inorganic coagulants or a combination of them. The far test procedure was app...
FUNDAMENTAL PROBLEMS OF WATER TREATMENT PLANTS IN IRAN
FUNDAMENTAL PROBLEMS WATER TREATMENT PLANTS IRAN
2009/12/29
This survey is carried out with the major objective of studying various water treatment plants in Iran. The emphasis was on the plants being fed by surface water resources; also the clarification unit...
FUNDAMENTAL PROBLEMS OF WATER TREATMENT PLANTS IN IRAN
FUNDAMENTAL PROBLEMS WATER TREATMENT PLANTS IRAN
2009/12/29
This survey is carried out with the major objective of studying various water treatment plants in Iran. The emphasis was on the plants being fed by surface water resources; also the clarification unit...
ENDOTOXIN EXPOSURE IN SEWAGE TREATMENT WORKERS: INVESTIGATION OF EXPOSURE VARIABILITY AND COMPARISON OF ANALYTICAL TECHNIQUES
endotoxin exposure variability analyzing techniques
2010/12/22
Introduction: Objectives were to give an overview of endotoxin exposure and its determinants in sewage treatment workers, and to study exposure to culturable and non-culturable microorganisms and the ...
TREATMENT OF WASTEWATER IN PLATING INDUSTRY BY CHELATE EXTRACTION METHOD
Wood oak tree extraction plating wastewater
2010/4/6
One of the most efficient methods to preserve environment is the procedure and method to achieve effective materials and the dual and reapplication of natural sources. In this research, After carrying...
OPTIMIZATION OF MOTOR VEHICLE INDUSTRIES WASTEWATER TREATMENT METHODS WITH THE AIM OF HEAVY METALS REMOVAL AND WATER REUSE IN PILOT SCALE
Motor vehicle industry effluent industrial waste to sanitary waste ratio
2010/4/2
The waste of motor vehicle industries is mainly the result of washing, coloring and various stages of chassis manufacturing, which include oil, grease, dyestuff, chromium, phosphate and other pollutan...
STUDY ON THE REUSE OF ZAMYAD FACTORY WASTEWATER TREATMENT PLANT EFFLUENT IN IRRIGATION
irrigation green area
2010/4/6
Considering the population increase in the cities and also the increase of per capita water consumption in these societies, the use of treated effluents for the green area irrigation has been taken in...
EXPOSURE TO AIRBORNE FUNGI DURING CONSERVATIVE DENTAL TREATMENT
airborne fungi bioaerosol dentistry
2010/12/23
The aim of the study was a mycological assessment of bioaerosol forming during conservative dental treatment, taking into account concentration and type of fungal microflora, and evaluation of the inf...
EVALUATION OF INDUSTRIAL DYEING WASTEWATER TREATMENT WITH COAGULANTS AND POLYELECTROLYTE AS A COAGULANT AID
Dye color removal coagulation textile wastewater lime
2010/4/7
Textile industry is the major source of water consumption and wastewater pollution. There are various treatment techniques to remove textile wastewater pollution. Coagulation-flocculation is a widely ...