نتایج جستجو برای: kinetic coefficients
تعداد نتایج: 189944 فیلتر نتایج به سال:
background: investigating the performance of naturally operated treatment plants may be due to the fact that they cannot be operated as desired, or that they should be modified to achieve good performance e.g. for nutrients removal. the advantage of kinetic coefficient determination is that the model can be adjusted to fit data and then used for analyzing alternatives to improve the process. th...
the sequencing batch reactors were developed to treat the actual wastewater from ethyleneglycol/ethylene oxide producing industry. four identical reactors with total and effective liquid volumes of 9and 7 l were operated respectively in parallel. laboratory experiments were conducted with different organicloadings of 500, 1000, 1500 and 3000 g-cod/m3.day and the performance of the reactors was ...
Backgrounds and Objectives: Oil pollution can be generated as a result of spillage, leakage, discharge, exploration, production, refining, transport and storage of crude oil and fuels in the environment. Consequently, many researchers have developed and studied the chemical, physical and biological methods to degrade crude oil. Among them, the biological treatments are the most interesting as t...
A method to derive analytical expressions for bootstrap current coefficients is studied. The drift kinetic equation is divided into two parts corresponding to the effects of local and global structures of magnetic fields. The divided transport coefficients can be approximated by connecting the results of only three types of asymptotic expansions of the divided equations. The current coefficient...
in this work the kinetic data demanded for kinetic modeling were obtained in temperatures 350, 400, 450 and 500 oc by conducting experimentations on a fe-cr nanocatalyst prepared from a novel method and a commercial fe-cr-cu one. the collected data were subjected to kinetic modeling by using two models derived from redox and associative mechanisms as well as an empirical one. the coefficients o...
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