نتایج جستجو برای: aspen polymers plus

تعداد نتایج: 191621  

Journal: :Bioresource technology 2006
Thomas L Eberhardt Soo-Hong Min James S Han

Biomass-based filtration media are of interest as an economical means to remove pollutants and nutrients found in stormwater runoff. Refined aspen wood fiber samples treated with iron salt solutions demonstrated limited capacities to remove (ortho)phosphate from test solutions. To provide additional sites for iron complex formation, and thereby impart a greater capacity for phosphate removal, a...

Journal: :International Journal of Hydrogen Energy 2022

This work is part of the VABHYOGAZ (valorization biogas into hydrogen) program, which targeted industrial deployment hydrogen production from in France. To-date, different processes methane reforming, such as steam reforming (SRM), dry (DRM) and tri-reforming (TRM), have been studied literature, but only SRM applied at scale. Since an energy-intensive process, a critical analysis these routes f...

Journal: :C 2022

Taking the importance of Pakistan’s dire need for energy breakthrough, in this paper, we explore how country’s vast estimated reserves 175 billion tons Thar coal is a useful source clean and efficient production good quality liquid fuel. Coal to (CTL) technology has gathered increasing attention among many countries with sufficient volume reserves, can also be implemented Pakistan, which result...

Jafar Sadeghi Mobina Khodadoost,

The understanding of the dynamic behavior of distillation columns has received considerable attention because distillation is one of the most widely used unit operations in chemical process industries. This paper reports a dynamic simulation study of the possible distillation columns sequences of Dew pointing unit in the second phase of South Pars Gas Refinery. In this unit, three columns are u...

With the increased amount of focus is being put towards reducing the emissions results from fossil fuel usually composed of hydrocarbons and impurities. The study aim at utilizing the ability of 1-octyl-3-methylimidazolium tetrafluoroborate [OMIM][BF4]. Ionic liquid as the suitable solvent for the extraction of the thiophene and its derivatives from the model gasoline. The proces...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی شیمی 1391

attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...

2013
Diane Wagner Patricia Doak

The aspen leaf miner, Phyllocnistis populiella Cham., has caused widespread and severe damage to aspen in the boreal forests of western North America for over a decade. We suppressed P. populiella on individual small aspen ramets using insecticide at two sites near Fairbanks, Alaska, annually for 7 years and compared plant performance with controls. Insecticide treatment successfully reduced le...

2013
Ling Zhou Zheming Zhang Ramesh K. Agarwal

Laboratory-scale experimental studies have demonstrated that Chemical-Looping Combustion (CLC) is an advanced technology which holds great potential for high-efficiency low-cost carbon capture. The generated syngas in CLC is subsequently oxidized to CO2 and H2O by reaction with an oxygen carrier. In this paper, process-level models of CLC are established in ASPEN Plus code for detailed simulati...

2010
Omer Eisa Babiker

This paper presents a study on the thermodynamics and transport properties of hot potassium carbonate aqueous system (HPC) using electrolyte non-random two liquid, (ELECNRTL) model. The operation conditions are varied to determine the system liquid phase stability range at the standard and critical conditions. A case study involving 30 wt% K2CO3, H2O standard system at pressure of 1 bar and tem...

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