نتایج جستجو برای: removal rate

تعداد نتایج: 1083422  

Journal: :The Annals of Applied Probability 1997

ژورنال: طلوع بهداشت یزد 2014
احرامپوش, محمد حسن, قانعیان, محمد تقی , موسوی , سیده پروین,

Introduction:The textile industry produces a colored effluent with different characteristics that needs to be treated. Adsorption is one of the methods for removing dyes. The aim of this study was to evaluate application of bone char as natural adsorbent for removal of acid orange 7 from synthetic textile wastewater. Methods:In this study, the effect of variations such as contact time, pH, in...

Journal: :Journal of Oral Medicine, Oral Surgery, Oral Pathology and Oral Radiology 2020

Journal: :advances in environmental technology 0
yasser vasseghian chemical engineering department, faculty of engineering, razi university, kermanshah, iran

in this present study the dissolved air flotation (daf) system was investigated for the treatment of kermanshah oil refinery wastewater. the effect of three parameters on flotation efficiency including of flow rate (outflow from the flotation tank), saturation pressure and coagulant dosage on chemical oxygen demand (cod) removal was examined experimentally. all the experiments were done under a...

ژورنال: مجله علمی پژوهان 2017
صید محمدی, عبدالمطلب, عسگری, قربان, کمری, مهدی,

Background and Objectives: Phenol is extensively used in various industries and it is mainly discharged to the  enviroment from their effluents.  In this study, the effectivness of UV activated periodate for removal of phenol in aqueous solutions was investigated. Materials and Methods: In this research,experimens were conducted in a bench scale stainless steel reactor equipped w...

In this study the effects of machining parameters such as shearing speed, feed rate, tool diameter and machining depth on different milling strategies i.e. 3D offset, spiral, raster and radial to produce the convex surface made of epoxy/glass composites is investigated. The effects of mentioned strategies on output parameters such as surface roughness and milling removal rate is also studied. T...

Journal: :health scope 0
mohammad ali zazouli department of environmental health engineering, health sciences research center and faculty of health, mazandaran university of medical sciences, ir iran +98-1513543080-8, [email protected] mahmoud taghavi department of environmental health engineering, health sciences research center and faculty of health, mazandaran university of medical sciences, ir iran +98-1513543080-8, [email protected]; department of environmental health engineering, health sciences research center and faculty of health, mazandaran university of medical sciences, ir iran +98-1513543080-8, [email protected] edris bazrafshan health promotion research center, zahedan university of medical sciences, ir iran

background this study demonstrates the removal efficiency of phenol from aqueous solutions by electrocoagulation process using aluminum electrodes and also investigates solution chemistry and polymeric natural organic matters on removal efficiency objectives: the main aim of this work was to focus on the removal of phenol by electrocoagulation process using aluminum electrodes. materials and me...

In this investigation, the material removal rate, tool wear rate and surface integrity obtained by EDM, ultrasonic vibrations assisted EDM and magnetic field assisted EDM were studied and compared with together to show the quality of the effects of applying each of ultrasonic vibrations to tool and magnetic field around gap distance of EDM process on material removal rate, tool wear rate, and s...

Journal: :international journal of advanced design and manufacturing technology 0
surinder kumar

this work presents an experimental investigation of the influence of the six important machining parameters (tool nose radius, tool rake angle, feed rate, cutting speed, cutting environment (dry, wet and cooled) and depth of cut) on surface roughness & material removal rate in the machining unidirectional glass fiber reinforced plastics (ud-gfrp) composite using carbide (k10) cutting tool durin...

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