Chemical microreactors offer opportunities for portable power generation, on-site
waste remediation and point-of-use chemical synthesis. Much of the existing
development of microreactor devices involves silicon-based microfabrication techniques.
It is recognized that new refractory materials are important to realizing high-temperature
microreactors. Requirements of these materials include high-temperature resistance,
chemical inertness and...
The primary goal of this thesis is to synthesize titanium dioxide nanorods using a continuous flow microreactor. Titania powder, one of the most important particulate materials is used for many purposes owing to its excellent optical properties of a high refractive index leading to high hiding power and whiteness of...
Dendrimers are nanoscale macromolecules that have highly branched, core-shell structures. Higher generation dendrimers have close-packed peripheral functional groups and a hollow interior. The chemistry of the core and the terminal functionalities can be tailored according to the specific application. These structural characteristics provide room for the design of dendrimers to...
Sulfur content of fuels and desulfurization of fuels is becoming an
important environmental restriction and regulatory issue. In this study new
technology for the desulfurization of fuels is considered. Micro scale reactors are
introduced for desulfurization of thiophene and dibenzothiophene.
Thiophene and dibenzothiophene are mixed with hexane at concentration, C₀...
The cleanliness of water is a major issue with regards to humanity's continued survival. The chlorination and chloro-amination of water is essential to the creation of microbiologically clean water. However these processes also give rise to oxidative byproducts such as nitrosamines. In particular, due to its high toxicity, N-Nitrosodimethylamine (NDMA)...
Hydrotreating reaction of vegetable oil is an alternative method for the production of
renewable biodiesel fuel. This reaction involves conversion of triglycerides into
normal alkanes, leads to a deoxygenated and stable product, which is fully compatible
with petroleum derived diesel fuel. The hydrotreating process uses hydrogen to
remove oxygen from...
There is an urgent need to lower the concentration of sulfur in diesel fuels. Growing concern over environmental effects caused by burning sulfur-containing diesel has led the world to higher standards in fuel refinement. Because of these lower standards, many techniques have been researched to remove sulfur containing compounds or...
An alumina microreactor was designed and fabricated to study the synthesis of nanosized silicon nitride powder via the ammonolysis of SiO vapor at temperatures ranging from 1300°C to 1400°C. It is the first high temperature ceramic microreactor capable of operating at temperatures upto 1600°C. The microreactor was designed using 3D...
Sulfur content in fuel is an increasingly important environmental concern. A
commonly used method for the removal of sulfur bearing species from fuel is
through hydrodesulphurization. However, due to the implementation of Ultra-Low
Diesel Sulfur (ULDS), deeper desulphurization techniques must be explored. In this
study, a single phase oxidative desulphurization...