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Full-Text Articles in Engineering

The Biological Activity Of Dual-Responsive Glycopolymers For Intracellular Codelivery Of Antigen And Lipophilic Adjuvant, Micaela Shields May 2023

The Biological Activity Of Dual-Responsive Glycopolymers For Intracellular Codelivery Of Antigen And Lipophilic Adjuvant, Micaela Shields

Honors Theses

Subunit vaccines present themselves as an attractive alternative to traditional approaches to vaccines, which utilizes whole organisms to trigger an immune response. While these traditional approaches have proven themselves reliable within the history of vaccinations, they generally deliver subpar robust cellular-mediated immunity and pose many safety risks. Composed of proteins and /or peptides, subunit vaccines are safer and more precise alternatives to traditional approaches. However, the pharmacokinetic properties of the macromolecules that make up these vaccines hinder the subunit vaccine’s level of immunogenicity [d1] Examples of this hindrance include but are not limited to aggregation at the injection site and …


Optimization Of A Fluidized Bed Reactor For The Production Of Acetone From Isopropyl Alcohol, Andrew Rawls Wasson May 2023

Optimization Of A Fluidized Bed Reactor For The Production Of Acetone From Isopropyl Alcohol, Andrew Rawls Wasson

Honors Theses

For the optimization of the isopropyl alcohol to acetone process, Unit 1100, the Net Present Value (NPV) was used as the objective function to observe the economic impact of each of the optimization factors being tested. During the optimization process, it is not only important to optimize the process’s profitability but also to ensure that the process operates efficiently and meets product specifications. The goal of this optimization was to alter variables from the base case calculations of Unit 1100 to maximize the NPV of the unit. AVEVA ProII software was used to simulate the process and make changes to …


An Analysis Of The Production Of Pharmaceutical-Grade Acetone Via The Dehydrogenation Of Isopropanol (Ipa), Jordan Desplas May 2023

An Analysis Of The Production Of Pharmaceutical-Grade Acetone Via The Dehydrogenation Of Isopropanol (Ipa), Jordan Desplas

Honors Theses

The production of 99.9 wt% acetone from isopropanol in Unit 1100 is designed to start up in 2025 and operate for 12 years after startup. The engineering team was tasked with designing the process, creating an economic model, and optimizing the net present value (NPV). The process was simulated in AVEVA PRO/II Simulation for the design process, and the economic analysis was estimated in Microsoft Excel. Parametric and topological optimization was performed linearly on the unit operations in the process. The NPV was improved by $14M from a base case of $122M to an optimized case of $136M. The project …


The Design Estimate Of A Warehouse Refrigeration System, Jackson Dear May 2023

The Design Estimate Of A Warehouse Refrigeration System, Jackson Dear

Honors Theses

The intention of this project was to provide a design and cost estimate for the refrigeration systems within an industrial cold storage distribution center for Magnolia Country Frozen Foods, Inc. in East Rutherford, NJ. The facility includes eighteen 300,000 ft3 units (200 ft x 100 ft x 15 ft). These units require 200 tons of refrigeration at a maintained temperature of 0oF. This project's scope included choosing an optimal refrigeration system, selecting a refrigerant for use within the system, and providing a cost estimate for the purchase of the refrigeration system equipment and for the yearly cost associated with running …


Investigating Myosin Ensemble Force Generation Using Optical Tweezers, Janie Watts Apr 2023

Investigating Myosin Ensemble Force Generation Using Optical Tweezers, Janie Watts

Honors Theses

Myosin is a motor protein that facilitates muscle contraction and movement by stepping along actin filaments using energy from ATP hydrolysis. If myosin or other motors are disrupted throughout the body, it can have many harmful effects. Hypertrophic cardiomyopathy is a disease caused by gene mutations that affect myosin heavy chains in the heart. The tissue of the heart becomes abnormally thick, which can make it more difficult to pump blood or block blood flow out of the heart. Our goal is to discern the mechanistic difference function of a healthy and diseased heart. To accomplish this, we construct model …


Optimization And Analysis Of A Styrene Production Process, Alexis Kimpel May 2022

Optimization And Analysis Of A Styrene Production Process, Alexis Kimpel

Honors Theses

The production of styrene from ethylbenzene in Unit 500 is designed to start up in 2024 and operate for 12 years after startup. The engineering team was tasked with designing the process, creating an economic model, and optimizing the net present value (NPV). The process was simulated in AVEVA PRO/II Simulation for the design process and to estimate the size of equipment. Parametric and topological optimization was performed subsequently on the unit operations in the process. The NPV was improved by $423M from a base case of -$919M to an optimized case of -$496M. The project is recommended to continue …


Optimization Of Styrene From Ethylbenzene Case Study, Jabria Daria Thompson May 2022

Optimization Of Styrene From Ethylbenzene Case Study, Jabria Daria Thompson

Honors Theses

The following pages detail the optimization process of styrene from ethylbenzene in the Styrene Production Plant, Unit 500. There were two parts of the assignment, each with slightly different end goals. The goal of the first part of the assignment, was to create a process that would effectively and efficiently increase the negative Net Present Value (NPV) of the production plant. Procedures taken in this process included developing a working kinetic process simulation model and optimizing this model through unit operations and heat integration, as well as developing an accurate economic model that will be used to evaluate the proposed …


Nuclear Energy As A Reliable And Safe Source Of Power Generation, Sarup Dhungana May 2022

Nuclear Energy As A Reliable And Safe Source Of Power Generation, Sarup Dhungana

Honors Theses

There is a high demand of energy for generating civil applicable power in the world and in the USA, correspondingly. The world has been consuming various sources to extract the power to meet its demands. Most of the power sources include renewable and non-renewable sources like fossil fuels, natural gas, coal, water, solar, wind, and nuclear power. Although most of these sources have many advantages in terms of their capacity and cost of production, nuclear power can be categorized as the emerging driving force in the United States and in the world for power generation, because of its reliability and …


Optimization Of An Ethylbenzene To Styrene Production Facility, John Michels May 2022

Optimization Of An Ethylbenzene To Styrene Production Facility, John Michels

Honors Theses

The purpose of this case study is to optimize the design and production of an ethylbenzene-to-styrene manufacturing facility, Unit 500. Compared to the original base-case design, the optimizations presented in this document will save approximately $337 million dollars without compromising the production requirements or quality. Optimization of this process used net present value as an objective function, with changes centered around the reactors, but also the separation equipment and exchangers prior to separation, as those devices most directly controlled process stream contents and conditions. The second set of reactors was removed in favor of using one optimized set of reactors, …


The Design And Economic Optimization Of A Warehouse Refrigeration System, Hannah Talbot May 2022

The Design And Economic Optimization Of A Warehouse Refrigeration System, Hannah Talbot

Honors Theses

The purpose of this project was to design a cool warehouse refrigeration system for Acme Frozen Foods, Inc located in Newark, New Jersey. The refrigeration system was used to cool eighteen 300,000 ft3 refrigerated units (200 ft x 100 ft x 15 ft), each requiring 200 cooling tons of refrigeration at a level of 0 F. The scope of this project included determining the appropriate refrigeration cycle, selecting the most desirable refrigerant, and temperature ranges to optimize the performance of the system. This project also considered the economic cost of the power needed to run the refrigerated units and …


Optimization Of A Styrene Prodcution And Separation Process, Bryce Little May 2022

Optimization Of A Styrene Prodcution And Separation Process, Bryce Little

Honors Theses

A step wise optimization of Unit 500 was completed. Unit 500 is a planned ethylbenzene to styrene production plant that has a annual production goal of 100,000 metric tons of styrene. The cost of styrene on the market is $1,598. The base case of Unit 500 produced styrene at a cost of $2,650. Optimization was completed with an emphasis on parametric changes though material of construction and heat integration were also considered. The optimized Unit 500 design reduced the cost of styrene production to $2,035 per metric ton. While this represents a significant improvement on the base case cost, it …


Optimization Of A Fluidized Bed Reactor For The Production Of Styrene From Ethylbenzene, Gregory Espenan May 2022

Optimization Of A Fluidized Bed Reactor For The Production Of Styrene From Ethylbenzene, Gregory Espenan

Honors Theses

In order to optimize Unit 500, a styrene production plant, the Net Present Value (NPV) was used as the objective function to ensure every optimization strategy had a positive economic effect. To optimize a chemical plant, it is important to note efficiency, economics, product specifications, and production requirements. The goal of this project was to make changes to the base case of Unit 500 to minimize the cost to produce styrene for an upstream unit. PRO/II was used to simulate various points in different unit operations throughout the process. The NPV was measured after each unit operation was simulated to …


Economic Feasibility Of A Methanol To Dimethyl Ether Production Process To Avoid Contract Failure Shortfalls From The Covid-19 Pandemic, Jacob Noll, Robert Wasson, Harrison Mckinnis May 2021

Economic Feasibility Of A Methanol To Dimethyl Ether Production Process To Avoid Contract Failure Shortfalls From The Covid-19 Pandemic, Jacob Noll, Robert Wasson, Harrison Mckinnis

Honors Theses

Our team entered the 2021 AVEVA Academic Competition, where teams of undergraduate senior chemical engineering students competed across the country. The competition was composed of two parts: the base case design and the optimization of a chemical process. As part of the competition, our team is acting as the Engineering team for a fictional company that has given us this project. Due to COVID-19, our methanol producing company has lost a contract with a customer, leaving 23,000 tonnes/yr of unclaimed methanol. We have two choices with this methanol: either sell the methanol on the market at the spot price for …


Design And Analysis Of A Process To Convert Methanol Into Dimethyl Ether, Elisa M. White May 2021

Design And Analysis Of A Process To Convert Methanol Into Dimethyl Ether, Elisa M. White

Honors Theses

A recent economic downturn led to the loss of a contract for a company that sells methanol. The company has two options to recover some of the profit lost from the contract termination. One option is to sell the excess methanol at the spot market price, and the second option is to implement a process to convert the excess methanol into dimethyl ether. This project investigated the implementation of a process to convert the methanol from the lost contract into dimethyl ether. The process was simulated in AVEVA Process Simulation to estimate the size of equipment needed. A toller provided …


Aveva Competition 2021: Dimethyl Ether Production Process, Nicholas Gaouette May 2021

Aveva Competition 2021: Dimethyl Ether Production Process, Nicholas Gaouette

Honors Theses

The following study was conducted to assess the economic and process feasibility of a dimethyl ether (DME) production process. A portion of the methanol produced by an existing facility would be used to produce DME through a dehydration reaction. DME production is being considered as a means to compensate for lost methanol revenue, as methanol prices have recently decreased and an excess supply is present on the open market.

The first milestone in the study was the construction of a working process model within AVEVA Process Simulation. This steady-state process model would provide information essential to further design and optimization …


Process Design And Optimization Of A Once-Through Dimethyl Ether Process Using Aveva Process Simulation, Jerrod Scott May 2021

Process Design And Optimization Of A Once-Through Dimethyl Ether Process Using Aveva Process Simulation, Jerrod Scott

Honors Theses

The primary purpose of the project on which I wrote this thesis was to design an optimize a once-through dimethyl ether process utilizing a software called AVEVA Process Simulation. The process was initially modeled and optimized to minimize the EAOC of the distillation column. The result of that effort was an optimized column with six stages with the feed entering the column at stage six. It had a height of 3 m, diameter of 0.44 m, and an EAOC of $65,100. This optimized solution was submitted to a Toller. The Toller provided available equipment to model the plant. From here, …


Ethylbenzene Production Case Study And Optimization, Brandon Borek May 2021

Ethylbenzene Production Case Study And Optimization, Brandon Borek

Honors Theses

The objective of this project was to investigate the process of producing ethylbenzene from the liquid-phase reaction of ethylene and benzene and perform parametric and topological optimizations to increase the net present value of the production facility. To do so, the base case conditions of the process were modeled and quantified economically followed by an investigation into the existing process to determine conditions that could be altered to improve the economic viability of the project. After optimizing the parametric conditions and topology of the process, the net present value of the project was increased by 305 million dollars to 191 …


Design Of An Undergraduate Laboratory Experiment Utilizing A Stirred-Tank, Jacketed Bioreactor, Brennen Middleton May 2021

Design Of An Undergraduate Laboratory Experiment Utilizing A Stirred-Tank, Jacketed Bioreactor, Brennen Middleton

Honors Theses

Bioreactors are utilized in many industries, such as the food, alternative fuel, and pharmaceutical industries, to design and manufacture products. Unlike the similar chemical batch reactors utilized in many chemical processing facilities, bioreactor utilization requires engineers to consider a wider range of operating conditions and parameters. This results in a more complex reaction system and controls network. Due to this, it is imperative for chemical and biomedical engineering students to not only understand the theory surrounding these reactor systems, but also understand how to properly design and perform operating procedures with these systems. Thus, it was determined to create an …


Design, Analysis, And Optimization Of A Process To Produce Dimethyl Ether From Methanol, Thomas Mathwig Apr 2021

Design, Analysis, And Optimization Of A Process To Produce Dimethyl Ether From Methanol, Thomas Mathwig

Honors Theses

The company that the engineering team works for is facing a contract loss with one of its customers of methanol. To avoid economic losses, a process has been proposed for converting the unused methanol to dimethyl ether (DME) through a dehydration reaction. After a preliminary simulation of the base case and optimization of the distillation column, an Equivalent Annual Operating Cost (EAOC) of $140,000 was calculated for the column. The EAOC was the sum of the annualized capital investment and the annual operating cost. Determining the process to be worth pursuing, a Toller was brought in to provide rental equipment …


Comparative Analysis Of Simulation Models Of The Production Of Ethylbenzene, Osariemen Imafidon May 2020

Comparative Analysis Of Simulation Models Of The Production Of Ethylbenzene, Osariemen Imafidon

Honors Theses

Process Engineering is all about making sure a raw material can become the desired product with as little variation as possible, while achieving the customer's specifications. Many equipment used for chemical processes cannot be physically inspected during operation at steady state, hence, the need for simulation software. The objective of this study was to compare the results of three different simulation packages to evaluate their efficacy within process design.

This study focused on the economic analysis of the production of Ethylbenzene using various models. The base case variables were inputted into each model to simulate the calculations for a fully …


Ultrasound-Assisted Post-Pyrolysis Magnetization Of Microporous Biochar For Effective Removal Of Heavy Metals, Ronish Shrestha May 2020

Ultrasound-Assisted Post-Pyrolysis Magnetization Of Microporous Biochar For Effective Removal Of Heavy Metals, Ronish Shrestha

Honors Theses

Low cost and efficient adsorption of heavy metals from wastewater and thorough removal of adsorbent after water treatment have become the two essential needs for the commercial use of any adsorbent. Biochar (BC), the solid byproduct of pyrolysis with microporous carbonaceous structure, has been increasingly recognized as an efficient adsorbent for a vast number of pollutants. Magnetization, though eases the separation and reuse of BC, significantly reduces its adsorption capacity to a comparatively much higher extent. In this study, a hybrid post-pyrolysis magnetization was developed which sustained and even significantly increased the adsorption capacity of biochar. The process included i) …


Comparative Analysis Of The Results From The Ideal Gas Assumptions With More Rigorous Calculations From Pro/Ii Of The Production Of Pharmaceutical Grade Acetone, Soibifaa Frank-Briggs May 2020

Comparative Analysis Of The Results From The Ideal Gas Assumptions With More Rigorous Calculations From Pro/Ii Of The Production Of Pharmaceutical Grade Acetone, Soibifaa Frank-Briggs

Honors Theses

The Chemical engineering team was assigned by Landshark Inc to investigate the production of 30,000 tonnes/yr of pharmaceutical-grade acetone with a purity of 99.9 wt.% from the dehydrogenation of isopropanol (IPA). The team was tasked with determining the necessary process and unit operation criteria to ensure the economic feasibility of the proposed plant.

The major goal of this thesis is to provide a data comparison of the reactor in acetone production process when designed in Microsoft Excel and Pro/II. The first part of this thesis will introduce the base case briefly, transition into engineering optimizations and show the results found …


Equivalent Annual Operating Cost Of Reactors In A Discrete Optimized Styrene Process, S Arizona Morgan-Harris May 2019

Equivalent Annual Operating Cost Of Reactors In A Discrete Optimized Styrene Process, S Arizona Morgan-Harris

Honors Theses

Beginning in the fall semester, I was a member of a team that simulated and optimized a styrene production process in Microsoft Excel. After the base case was simulated, parametric and topological optimizations were completed. The optimizations had to be completed in a certain order that starts with the reactor section, then move to the separation section, heat recovery section, heating/cooling utilities section, and ends with the water and effluent treatment section. During this project, the first three sections were explored. Optimizing the base case was completed by making these changes to see how they increased the net present value …


Investigation Of Fouling Mechanisms On Ion Exchange Membranes During Electrolytic Separations, Matthew James Edwards Apr 2019

Investigation Of Fouling Mechanisms On Ion Exchange Membranes During Electrolytic Separations, Matthew James Edwards

Honors Theses

The global water crisis is a major problem in our developing world due to the increasing growth of our global population, the depletion of natural water resources, and the continuing contamination of existing water resources as a result of industrialization. Membrane separation is a potential solution for these issues. Electrodialysis (ED) is a separation process which employs membranes to separate inorganic and organic substances. This study investigated how different fouling agents influenced membrane surface characteristic and separation efficiency within an electrodialysis system. While applicable for waste water, this study focuses on model salt water solutions with various fouling agents added …


Studies Related To Chemical Changes In Biochar. I. Polyacrylonitrile Internal Standard To Assess Chemical Changes In Graphene Oxide. Ii. Ultrasonic Effects On Polycyclic Aromatic Hydrocarbons As Models For Biochar, Kaci B. Crawford Jan 2019

Studies Related To Chemical Changes In Biochar. I. Polyacrylonitrile Internal Standard To Assess Chemical Changes In Graphene Oxide. Ii. Ultrasonic Effects On Polycyclic Aromatic Hydrocarbons As Models For Biochar, Kaci B. Crawford

Honors Theses

Biochar has become an increasing area of research due to its reactive edges from stacks of graphene clusters. One particular area of interest in biochar is because it is a potent soil amendment which reduces soil acidity and can reduce greenhouse gas emissions from plants. Also, chemically-modified biochar is being studied as a carbon storage method to potentially mitigate climate change. In order to understand the chemistry that takes place on biochar’s reactive edges during modification, a standard is essential. This research attempted to identify an internal standard that could be added to biochar samples to quantify chemical changes by …


Optimization And Cost Comparison Of Reactor Types In A Styrene Production Process, Claire Lenore Cozadd Jan 2019

Optimization And Cost Comparison Of Reactor Types In A Styrene Production Process, Claire Lenore Cozadd

Honors Theses

The focus of this thesis is to use the equivalent annual operating costs of isothermal, adiabatic, and packed bed reactors in order to determine which reactor is most cost effective in a styrene production process. In order to understand the steps leading up to this comparison, background information is first given regarding chemical engineering design, optimization, and process simulation. This information was necessary for completing the ChE 451 design project, which was to analyze the base case styrene process before optimizing it, in fall 2018. The results of this project are briefly outlined in the second section. The third section …


Discrete Optimization Of A Styrene Production Process, Seth Gray Jan 2019

Discrete Optimization Of A Styrene Production Process, Seth Gray

Honors Theses

This thesis will outline the two phases of my capstone design project for Chemical Engineering. The first goal was to simulate a styrene production process in Excel alongside my group members in ChE 451. During this phase, we looked at startup of the process and the first 12 years of operation. After the base case which included an isothermal reactor, the decision was made to switch to an adiabatic reactor based on net present value evaluations. Discrete optimization took place on the adiabatic reactor and the subsequent process. The second phase of my capstone project was the portion assigned to …


O-Glcnac Post Translational Modification Of Hypoxia-Inducible Factor (Hif) Proteins, Hailey Elisabeth Grisham Jan 2018

O-Glcnac Post Translational Modification Of Hypoxia-Inducible Factor (Hif) Proteins, Hailey Elisabeth Grisham

Honors Theses

O-linked β-N-acetylglucosamine (O-GlcNAc) post-translational modification (O- GlcNAcylation), plays a vital role in many metabolic pathways, including those of numerous diseases. New research methods and basic functional roles of O-GlcNAc post- translational modification on metabolism, human health, and cancer are quickly developing, but a vast amount of research remains on the specificity of this pathway towards specific proteins. In this study, T47D breast cancer cells were used as an in vitro model to investigate the effects of O-GlcNAc modification on hypoxia-inducible factor (HIF) proteins.


Targeting Metastatic Breast Cancer With Statin Drugs And Coq10, Jacob Thrasher Jan 2018

Targeting Metastatic Breast Cancer With Statin Drugs And Coq10, Jacob Thrasher

Honors Theses

Statin drugs are commonly prescribed to lower cholesterol levels in patients, but recently statins have been under investigation as a potential anti-cancer drug. Statins are HMG-CoA reductase inhibitors and subsequently inhibit the mevalonate pathway and cholesterol synthesis. Since cholesterol trafficking is vital in the growth and metastasis of cancer, statin drugs are being studied to explore their effects on cancer cells. CoQ10, one of the products from the mevalonate pathway, also has shown some potential anti-cancer properties, but its use to combat cancer is controversial. While some studies have shown that CoQ10 supplements can be synergistic with other cancer treatment …


Process Design And Optimization: Analysis Of An Ethylbenzene Production Plant, Jonathan Butler Vanveckhoven Jan 2018

Process Design And Optimization: Analysis Of An Ethylbenzene Production Plant, Jonathan Butler Vanveckhoven

Honors Theses

This thesis will cover the steps I took to evaluate an ethylbenzene production plant. I, along with my senior design team, was first tasked with optimizing a vapor-phase ethylbenzene production plant based off of a given base case. Our team was able to improve the net present value of the plant from -$4.8 million to $70.4 million through discrete optimization. After the vapor-phase plant was evaluated, I was tasked with creating a base case, liquid-phase ethylbenzene production plant. I explain the theory behind process flow diagram development, then explain how I produced the process flow diagram and stream table for …