نتایج جستجو برای: operational parameters
تعداد نتایج: 648900 فیلتر نتایج به سال:
Abstract Electrochemical water treatment technology can be used for hard softening, but its removal efficiency and energy consumption problems hinder application. The effects of electrolysis voltage cathode materials on efficiency, scale crystal form electrochemical were studied experimentally. experimental results show that effectively remove more than 40% the TDS (total dissolved solids) in i...
this study was aimed at investigating the photocatalytic degradation of ciprofloxacin (cip) antibiotic in aqueous solution using immobilized zno nanoparticles on glass plate. x-ray diffraction, atomic force microscopy, and scanning electron microscopy were applied to characterize the nanoparticles. to do so, the zno nanoparticles were synthesized through the chemical precipitation method and we...
ch4, c2h6 and c2h4 are the most important outlet gaseous of oxidative couple methane (ocm) reaction and this process is a new technology for conversion of natural gas to ethane and ethylene products. in this study, adsorption of ocm outlet hydrocarbons over 10x zeolite has been examined at equilibrium conditions. temperature and pressure are the most effective operational parameters in the batc...
Joule-Thomson cooling systems are used in refrigeration processes such as cryogenic gas liquefaction. Although extensive studies have been carried out by researchers, most of them include cryogenic heat exchangers and their associated fields. In the current study, an attempt was made to indicate the effect of using inappropriate operational conditions in a cryogenic Joule-Thomson cooling system...
Synthetic aperture radar (SAR) data from RADARSAT-1 are an important operational data source for several ice centres around the world. Sea ice monitoring has been the most successful real-time operational application for RADARSAT-1 data. These data are used by several national ice services as a mainstay of their programs. Most recently, Canadian Ice Service launched another new real-time operat...
activated sludge is an aerobic biological wastewater treatment process. this process has been efficiently and extensively used for the treatment of industrial and municipal wastewaters since about 100 years ago. some drugs such as antibiotics have adverse effects on the bacteria in activated sludge. cefixime trihydrate is a semi-synthetic antibiotic belonging to the third generation of cephalos...
microbial electrolysis cell (mec) is one of the promising and cutting-edge technologies for generating hydrogen from wastewater through biodegradation of organic waste by exoelectrogenic microbes. in the mecs, the operational parameters, such as applied voltage (eap), anode surface area, anode-cathode distance, and n2/co2 volume ratio have a significant impact on the hydrogen yield and producti...
Clouds play an important role in regulating atmospheric dynamics and thermodynamics by redistributing momentum, thermal and moisture through mixing, latent heat release, and microphysical processes. However, conventional observational data for such important parameters are usually not available. An operational cloud verification system is being developed at the Joint Center for Satellite Data A...
This work investigates the process of extraction of lemon balm (Melissa officinalis L.) by treatment with carbon dioxide at supercritical conditions. The process kinetics is studied at different operational conditions, and the influence of some important regime parameters (pressure, temperature particle size, solvent flow-rate) on the extraction yield is experimentally determined. Besides the i...
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