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Articles 1 - 30 of 471

Full-Text Articles in Engineering

Waste To Phosphorus: A Transdisciplinary Solution To P Recovery From Wastewater Based On The Triz Approach, Anna Jama-Rodzeńska, Andrzej Białowiec, Jacek A. Koziel, Józef Sowiński Jun 2021

Waste To Phosphorus: A Transdisciplinary Solution To P Recovery From Wastewater Based On The Triz Approach, Anna Jama-Rodzeńska, Andrzej Białowiec, Jacek A. Koziel, Józef Sowiński

Agricultural and Biosystems Engineering Publications

Phosphorus (P) is a limited yet essential resource. P cannot be replaced, but it can be recovered from waste. We proposed the TRIZ approach (Teoria reszenija izobretatielskich zadacz - Rus., Theory of Inventive Problem Solving - Eng.) to identify a feasible solution. We aimed at minimizing the environmental impact and, by eliminating contradictions, proposed viable technical solutions. P recovery can be more sustainable based on circular economy and 4Rs (reduction, recovery, reuse, and recycling). The TRIZ approach identified sewage sludge (SS) as waste with a large potential for P recovery (up to 90%). Successful selection and application of SS management and P ...


Improving Logistics Efficiency Through Collaborative Truck Routing, Patrick Dougherty May 2021

Improving Logistics Efficiency Through Collaborative Truck Routing, Patrick Dougherty

Industrial Engineering Undergraduate Honors Theses

The logistics industry is among the world’s largest and most essential. Specifically, trucking is a massive component of the modern logistics system. In 2012, truck transportation carried 68% of all freight tonnage in the U.S. However, trucking currently faces significant problems with efficiency and sustainability. Of all miles driven by trucks yearly in the U.S., 25% are driven with empty loads and 36% are driven with underutilized loads. In addition to this economic inefficiency, the industry faces social and environmental challenges. Driver turnover rates are near 100%, and trucking accounts for a significant level of greenhouse gas ...


Comparing Biochar-Swine Manure Mixture To Conventional Manure Impact On Soil Nutrient Availability And Plant Uptake—A Greenhouse Study, Chumki Banik, Jacek A. Koziel, Darcy Bonds, Asheesh K. Singh, Mark A. Licht Apr 2021

Comparing Biochar-Swine Manure Mixture To Conventional Manure Impact On Soil Nutrient Availability And Plant Uptake—A Greenhouse Study, Chumki Banik, Jacek A. Koziel, Darcy Bonds, Asheesh K. Singh, Mark A. Licht

Agricultural and Biosystems Engineering Publications

The use of swine manure as a source of plant nutrients is one alternative to synthetic fertilizers. However, conventional manure application with >90% water and a low C:N ratio results in soil C loss to the atmosphere. Our hypothesis was to use biochar as a manure nutrient stabilizer that would slowly release nutrients to plants upon biochar-swine manure mixture application to soil. The objectives were to evaluate the impact of biochar-treated swine manure on soil total C, N, and plant-available macro- and micronutrients in greenhouse-cultivated corn (Zea mays L.) and soybean (Glycine max (L.) Merr.). Neutral pH red oak ...


The Effects Of Waste Marble Powder On Sustainable Concrete, Jeremy S. Tennesen Mar 2021

The Effects Of Waste Marble Powder On Sustainable Concrete, Jeremy S. Tennesen

Construction Management

Sustainability has been growing consistently more popular in construction, with projects introducing innovative ideas to build greener every year. One material that has not experienced many innovations since emerging in building use is concrete. The reason behind this could be the chemical process of curing concrete being unique compared to most materials. While concrete can be broken down into some of its original components, water, cement, and admixtures used are not retainable. This makes it difficult to recycle the material, and the aggregates recovered from recycling also experience a loss in strength. With admixtures being involved in most concrete mixes ...


Environmental Soft Law As A Governance Strategy, Cary Coglianese Jan 2021

Environmental Soft Law As A Governance Strategy, Cary Coglianese

Faculty Scholarship at Penn Law

Soft law governance relies on nongovernmental institutions that establish and implement voluntary standards. Compared with traditional hard law solutions to societal and economic problems, soft law alternatives promise to be more politically feasible to establish and then easier to adapt in the face of changing circumstances. They may also seem more likely to be flexible in what they demand of targeted businesses and other entities. But can soft law actually work to solve major problems? This Article considers the value of soft law governance through the lens of three major voluntary, nongovernmental initiatives that address environmental concerns: (1) ISO 14001 ...


Transportation Sustainability, Eleni Christofa Jan 2021

Transportation Sustainability, Eleni Christofa

Sustainability Education Resources

An overview of sustainable transportation planning practices and management strategies and policies; current transportation trends; environmental and energy policies; nonmotorized modes (mainly bicycles and pedestrians); public transportation; life-cycle assessment for transportation infrastructure; alternative fuel vehicles; vehicle emission estimation models; demand management strategies (including parking policies, pricing strategies).


Guía Metodológica Para La Recuperación De Suelos Afectados Por Erosión Hídrica Mediante El Uso De Terrazas, Evelyn Fernanda Contreras Contento, Diego Andrés Torres Ardila Jan 2021

Guía Metodológica Para La Recuperación De Suelos Afectados Por Erosión Hídrica Mediante El Uso De Terrazas, Evelyn Fernanda Contreras Contento, Diego Andrés Torres Ardila

Ingeniería Ambiental y Sanitaria

La erosión hídrica es un fenómeno natural que afecta los suelos con alta pendiente que generan degradación y a su vez pérdidas exorbitantes naturales, materiales como económicas, a pesar de darse naturalmente es un fenómeno que se puede mitigar y recuperar los daños generados por medio de técnicas específicas. Colombia tiene una alta tasa de erosión de suelos, causadas tanto por actividades antrópicas como naturales, se estima que cerca al 40% de los suelos del país se encuentran en algún estado de degradación por esta condición (SIAC, 2014). La “Guía metodológica para la recuperación de suelos afectados por erosión hídrica ...


Cold Plasma Enhanced Active Sites On Supported Nip Nanoparticles For The Oxygen Evolution Reaction, Michael Ricci Jan 2021

Cold Plasma Enhanced Active Sites On Supported Nip Nanoparticles For The Oxygen Evolution Reaction, Michael Ricci

Williams Honors College, Honors Research Projects

Identifying materials to efficiently facilitate the oxygen evolution reaction (OER) is key to advancing water electrolysis, an essential technology in the pathway towards a sustainable energy future. Here, we explore cold-plasma treatment as a facile method to enhance the activity of NiP nanoparticles supported on activated carbon. NiP nanoparticles were synthesized on an activated carbon support using a solid-state method and were then treated with argon, oxygen, and hydrogen plasmas for extended times. In all cases, plasma treatment reduced the number of active sites on the support. OER activity was evaluated by testing the materials in alkaline conditions. The activities ...


Brazil, Big Hydro, And A Beautiful Monster: “Green” Energy Generation In The Xingu River Basin, Ian F. Hirons Dec 2020

Brazil, Big Hydro, And A Beautiful Monster: “Green” Energy Generation In The Xingu River Basin, Ian F. Hirons

Student Works

Brazil is quickly becoming an influential actor on the world stage of geopolitics. The nation has achieved global economic and environmental recognition due to the extensive development of its hydrological resources in the form of hydroelectric power plants. As the world’s second greatest generator of hydroelectricity, Brazil has proven a staunch adherence to building dams in the large-scale. Though these dams have brought electricity to millions of people across the country, the socio-ecological toll inflicted by their construction has been devastating to natural biomes and local inhabitants. This article traces Brazil’s proclivity for large-scale hydropower to four motivational ...


Benefits Of Pre-Construction Analysis: Cet Senior Capstone Expands Understanding Of An Urban Refuge At Gallopnyc Sunrise Stables, Aalaa Mohammed Dec 2020

Benefits Of Pre-Construction Analysis: Cet Senior Capstone Expands Understanding Of An Urban Refuge At Gallopnyc Sunrise Stables, Aalaa Mohammed

Publications and Research

For any construction project, there exists a phase of planning known as “pre-construction.” This initial phase of the project provides a definition of the project, identification of potential issues, planning and scheduling, scope, cost estimation, and analysis of needs for the job. My research analyzes a pre-construction case study conducted for Gallop NYC’s Stable in Howard Beach, Queens. The findings suggest that the practice of construction planning is effective in order to avoid delays in construction itself and ensure successful project completion. Supporting literature examines some of the best practices for pre-construction analysis. These include but are not limited ...


Sustainability In Construction: Using Lean Management Principles To Reduce Waste, Matthew Waite Dec 2020

Sustainability In Construction: Using Lean Management Principles To Reduce Waste, Matthew Waite

Theses and Dissertations

The construction industry is facing many challenges. There are growing consumer demands for sustainable building. The construction industry generates a significant portion of the waste going into landfills. The construction industry has failed to keep pace with productivity in the manufacturing industry. Through adoption of Lean management principles, the construction industry can become more sustainable while increasing productivity. The literature was evaluated for three concepts: Lean management principles interaction with sustainability, the current state of sustainability in the construction industry, and the current state of Lean management principles in the construction industry. Lean management philosophies interactions with sustainability has been ...


Towards Sustainability Of Architectural Education Programs In Publicuniversities In Egypt: Cairo University Case Study, Asmaa Saleh Oct 2020

Towards Sustainability Of Architectural Education Programs In Publicuniversities In Egypt: Cairo University Case Study, Asmaa Saleh

Architecture and Planning Journal (APJ)

More than a decade ago; the concept of sustainability had a great concern from the whole world because of the global warming dilemma. Sustainability is a paradigm that contains environmental, economic and social factors. Many governments have adopted the sustainability paradigm especially in the MENA region as they are the most affected by global warming. In Egypt, within the government role in paving the way to sustainability; principles of sustainable development has been integrated into the country's policies and programs in reflection to sustainable development strategy of Egypt's vision 2030. However, the concept of sustainability is still considered ...


Soil Nutrients And Carbon Dynamics In The Presence Of Biochar-Swine Manure Mixture Under Controlled Leaching Experiment Using A Midwestern Usa Soil, Chumki Banik, Jacek A. Koziel, Mriganka De, Darcy Bonds, Baitong Chen, Asheesh K. Singh, Mark A. Licht Sep 2020

Soil Nutrients And Carbon Dynamics In The Presence Of Biochar-Swine Manure Mixture Under Controlled Leaching Experiment Using A Midwestern Usa Soil, Chumki Banik, Jacek A. Koziel, Mriganka De, Darcy Bonds, Baitong Chen, Asheesh K. Singh, Mark A. Licht

Agricultural and Biosystems Engineering Publications

Biochar application to the soil can improve soil quality and nutrient leaching loss. Recent studies have reported that surficial application of biochar to stored swine manure can reduce emissions of odorous compounds and reduce the volatilization loss of ammonia. Our working hypothesis was that the biochar-treated manure application to the soil would decrease nutrient leaching from manure and increase plant-available nutrients. The study objectives were to evaluate the impact of biochar-treated swine manure on soil total C, N, and other major and minor nutrients. Three biochars (i) neutral pH red-oak (RO), (ii) highly alkaline autothermal corn (Zea mays) stover (HAP ...


Resilient Design And Crisis Management, Rich Ham Sep 2020

Resilient Design And Crisis Management, Rich Ham

Operations Management Presentations

Explores the techniques to design resilience into systems, business functions, compliance, quality assurance and response to uncertainty. Includes an overview of Federal Emergency Management Agency principles in resilient design and crisis management, including implementation of National Incident Management System processes and industry standards to frame resilient design, procedures and planning documents. Learn to focus on the use of testing, exercises, and implementation of Plan, Do, Check, Act model to continually improve government, business and personal continuity through periods of cascading uncertainty.


Effect Of Biochar Diet Supplementation On Chicken Broilers Performance, Nh3 And Odor Emissions And Meat Consumer Acceptance, Kajetan Kalus, Damian Konkol, Mariusz Korczyński, Jacek A. Koziel, Sebastian Opaliński Sep 2020

Effect Of Biochar Diet Supplementation On Chicken Broilers Performance, Nh3 And Odor Emissions And Meat Consumer Acceptance, Kajetan Kalus, Damian Konkol, Mariusz Korczyński, Jacek A. Koziel, Sebastian Opaliński

Agricultural and Biosystems Engineering Publications

The aim of this research was to evaluate the effect of biochar diet supplementation for broiler chickens on (1) ammonia and odor emissions from manure, (2) feed conversion ratio and daily weight gain, and (3) selected meat quality and sensory parameters. Beechwood biochar (BC, 2 and 4%) and BC–glycerin–aluminosilicates mix (BCM, 3 and 6%) were tested as dietary additives. A total of 750 chicken broilers (Ross 308) were divided into five dietary groups with five replicates per group (n = 5, 30 birds in each replicate) and reared on a littered floor for 5 weeks. Both feed additives showed ...


Synergy Of Thermochemical Treatment Of Dried Distillers Grains With Solubles With Bioethanol Production For Increased Sustainability And Profitability, Samuel O’Brien, Jacek A. Koziel, Chumki Banik, Andrzej Białowiec Sep 2020

Synergy Of Thermochemical Treatment Of Dried Distillers Grains With Solubles With Bioethanol Production For Increased Sustainability And Profitability, Samuel O’Brien, Jacek A. Koziel, Chumki Banik, Andrzej Białowiec

Agricultural and Biosystems Engineering Publications

The bioethanol industry continues improving sustainability, specifically focused on plant energy and GHG emission management. Dried distiller grains with solubles (DDGS) is a byproduct of ethanol fermentation and is used for animal feed. DDGS is a relatively low-value bulk product that decays, causes odor, and is challenging to manage. The aim of this research was to find an alternative, value-added-type concept for DDGS utilization. Specifically, we aimed to explore the techno-economic feasibility of torrefaction, i.e., a thermochemical treatment of DDGS requiring low energy input, less sophisticated equipment, and resulting in fuel-quality biochar. Therefore, we developed a research model that ...


A Comprehensive And Absolute Corporate Sustainability Assessment And Enhanced Input Output Life Cycle Assessment, Joseph M. Wright Aug 2020

A Comprehensive And Absolute Corporate Sustainability Assessment And Enhanced Input Output Life Cycle Assessment, Joseph M. Wright

Dissertations

Stresses due to economic activity are threatening to exceed environmental and societal limits with the potential to jeopardize local communities and create global crises. This research proposes new methodologies and analytic techniques to comprehensively assess corporate sustainability and enhance the efficiency of estimating environmental and social impacts with Input Output Life Cycle Assessment (IOLCA).

Sustainability assessments and management require consideration of both social and environmental impacts as outflows of economic activity. There are a number of assessment tools available to gain insight into environmental and social impacts; but in most cases, these approaches lack essential components for a comprehensive and ...


What Are The Advantages Of Replacing Fossil Fuels With Biofuels?, Amr Shaalan Aug 2020

What Are The Advantages Of Replacing Fossil Fuels With Biofuels?, Amr Shaalan

English Language Institute

Fossil fuels’ negative impact on the environment is leading many people to worry In addition to that, fossil fuels are running out as every day goes by. Thus, finding a renewable and environmentally friendly source of energy has now become a necessity. Biofuels offer clean energy that comes with numerous economic and environmental benefits. Furthermore, biofuels can absorb more carbon from the air than they would produce when burnt. Giving a chance to clear the air from fossil fuel’s carbon.


Applying Renewable Energies Against Climate Change: Solar Photovoltaic (Pv) Energy, Juan Jose Estribi Aug 2020

Applying Renewable Energies Against Climate Change: Solar Photovoltaic (Pv) Energy, Juan Jose Estribi

English Language Institute

In recent years, more efforts towards fighting climate change have been done. As a direct response, research and technology have offered several insights regarding the specific causes, effects, and even possible solutions for resolving this global issue. Among these solutions, renewable energies and their potential contributions as clean energy sources can be assessed as feasible options for the energy transformation through the decarbonization process of the energy industry. This poster is mainly focused on solar photovoltaic (PV) energy and its great potential as a renewable energy by making a brief assessment of some important aspects such as resource availability, its ...


Mxenes As Flow Electrodes For Capacitive Deionization Of Wastewater, Naqsh E. Mansoor Aug 2020

Mxenes As Flow Electrodes For Capacitive Deionization Of Wastewater, Naqsh E. Mansoor

Boise State University Theses and Dissertations

The energy-water nexus poses an integrated research challenge, while opening up an opportunity space for the development of energy efficient technologies for water remediation. Capacitive Deionization (CDI) is an upcoming reclamation technology that uses a small applied voltage applied across electrodes to electrophoretically remove dissolved ionic impurities from wastewater streams. Similar to a supercapacitor, the ions are stored in the electric double layer of the electrodes. Reversing the polarity of applied voltage enables recovery of the removed ionic impurities, allowing for recycling and reuse. Simultaneous materials recovery and water reclamation makes CDI energy efficient and resource conservative, with potential to ...


Implementation Of Biogas-Based Energy Security Program And Evaluation Of Its Sustainability In Kediri Village, Pringsewu District, Lampung Province, Sri Ismiyati Damayanti, Simparmin Ginting, Otik Nawansih, Siti Hudaidah Jul 2020

Implementation Of Biogas-Based Energy Security Program And Evaluation Of Its Sustainability In Kediri Village, Pringsewu District, Lampung Province, Sri Ismiyati Damayanti, Simparmin Ginting, Otik Nawansih, Siti Hudaidah

ASEAN Journal of Community Engagement

The Biogas-based energy security program in Kediri Village, Pringsewu District, Lampung Province, aims to provide awareness and knowledge to villagers about the potential of cow dung to be made into biogas and promote awareness of good environment quality. An evaluation of the sustainability of the program in the community was conducted. The methods that were used in this program are (1) socialization to provide awareness of good environment quality and energy security, (2) digester construction and stove and biogas lamp installation, which was carried out by the community together with certified trainers, (3) creation of a master design of the ...


Modeling Of Electrical Grid Systems To Evaluate Sustainable Electricity Generation In Pakistan, Muhammad Mustafa Amjad Jul 2020

Modeling Of Electrical Grid Systems To Evaluate Sustainable Electricity Generation In Pakistan, Muhammad Mustafa Amjad

Masters Theses

Pakistan has always had a history of severe energy shortfalls, which rose up to an alarming 33% in 2013. This situation was countered by investments in the energy sector through the China Pakistan Economic Corridor (CPEC), which were unfortunately largely based on brown fuels. Although beneficial in the short term, these investments do not bode well for the climate scenario of Pakistan, with various parts of the country already having experienced temperatures rise of 1-3°C. To ensure that the current situation doesn’t exacerbate and is tackled in a timely manner, this research aims to examine how the untapped ...


Effects Of Treated Manure Conditions On Ammonia And Hydrogen Sulfide Emissions From A Swine Finishing Barn Equipped With Semicontinuous Pit Recharge System In Summer, Jisoo Wi, Seunghun Lee, Eunjong Kim, Myeongseong Lee, Jacek A. Koziel, Heekwon Ahn Jul 2020

Effects Of Treated Manure Conditions On Ammonia And Hydrogen Sulfide Emissions From A Swine Finishing Barn Equipped With Semicontinuous Pit Recharge System In Summer, Jisoo Wi, Seunghun Lee, Eunjong Kim, Myeongseong Lee, Jacek A. Koziel, Heekwon Ahn

Agricultural and Biosystems Engineering Publications

Gaseous emissions from animal production systems affect the local and regional air quality. Proven farm-scale mitigation technologies are needed to lower these emissions and to provide management practices that are feasible and sustainable. In this research, we evaluate the performance of a unique approach that simultaneously mitigates emissions and improves air quality inside a barn equipped with a manure pit recharge system. Specifically, we tested the effects of summertime feeding rations (used by farmers to cope with animal heat stress) and manure management. To date, the pit recharge system has been proven to be effective in mitigating both ammonia (NH ...


Household’S Willingness (Wtp) To Pay To The Utility, Rakhshinda Bano, Mehdi Khiadani, Steven Burian Jul 2020

Household’S Willingness (Wtp) To Pay To The Utility, Rakhshinda Bano, Mehdi Khiadani, Steven Burian

Research Datasets

The dataset contains the water use at household level, payments to the utility and household income.


Groundwater Level Mapping Tool: An Open Source Web Application For Assessing Groundwater Sustainability, Steven W. Evans, Norman L. Jones, Gustavious P. Williams, Daniel P. Ames, E. James Nelson Jul 2020

Groundwater Level Mapping Tool: An Open Source Web Application For Assessing Groundwater Sustainability, Steven W. Evans, Norman L. Jones, Gustavious P. Williams, Daniel P. Ames, E. James Nelson

Faculty Publications

Decision makers need an accurate understanding of aquifer storage trends to effectively manage groundwater resources. Groundwater is difficult to monitor and quantify since the data collected from monitoring wells are often available only at irregular and infrequent intervals. We present an open-source web application (app) to visualize groundwater data over time and automatically calculate changes in aquifer storage volume to help managers assess aquifer sustainability. This app uses a novel multi-linear regression (MLR) algorithm to impute missing data for infrequently sampled wells, using correlated data from other wells in the same aquifer. The app uses this MLR-imputed data to spatially ...


Low-Temperature Pyrolysis Of Municipal Solid Waste Components And Refuse-Derived Fuel—Process Efficiency And Fuel Properties Of Carbonized Solid Fuel, Kacper Swiechowski, Ewa Syguła, Jacek A. Koziel, Paweł Stepien, Szymon Kugler, Piotr Manczarski, Andrzej Białowiec Jun 2020

Low-Temperature Pyrolysis Of Municipal Solid Waste Components And Refuse-Derived Fuel—Process Efficiency And Fuel Properties Of Carbonized Solid Fuel, Kacper Swiechowski, Ewa Syguła, Jacek A. Koziel, Paweł Stepien, Szymon Kugler, Piotr Manczarski, Andrzej Białowiec

Agricultural and Biosystems Engineering Publications

New technologies to valorize refuse-derived fuels (RDFs) will be required in the near future due to emerging trends of (1) the cement industry’s demands for high-quality alternative fuels and (2) the decreasing calorific value of the fuels derived from municipal solid waste (MSW) and currently used in cement/incineration plants. Low-temperature pyrolysis can increase the calorific value of processed material, leading to the production of value-added carbonized solid fuel (CSF). This dataset summarizes the key properties of MSW-derived CSF. Pyrolysis experiments were completed using eight types of organic waste and their two RDF mixtures. Organic waste represented common morphological ...


Performance Of Concrete Containing Waste Plastic Straw Fibers, Jamal Khatib, Ali Jahami, Oussama Baalbaki, Adel Elkordi, Abed Bakri, Roba Alaina Jun 2020

Performance Of Concrete Containing Waste Plastic Straw Fibers, Jamal Khatib, Ali Jahami, Oussama Baalbaki, Adel Elkordi, Abed Bakri, Roba Alaina

BAU Journal - Science and Technology

Using fibers in concrete applications has become a common practice. This is partly due to improvement in ductility and crack control of concrete. There will be an added advantage if these fibers come from a waste source as it would lead to reduction in environmental pollution and the need for landfill spaces. This paper forms the initial part of a wide range investigation on the use of waste plastic fibers in concrete applications. This study attempts to apply the concept of sustainability and reduces the environmental pollution by producing fibers from waste plastic straws and adding them to plain concrete ...


Waste To Energy: Solid Fuel Production From Biogas Plant Digestate And Sewage Sludge By Torrefaction-Process Kinetics, Fuel Properties, And Energy Balance, Kacper Świechowski, Martyna Hnat, Paweł Stępień, Sylwia Stegenta-Dąbrowska, Szymon Kugler, Jacek A. Koziel, Andrzej Białowiec Jun 2020

Waste To Energy: Solid Fuel Production From Biogas Plant Digestate And Sewage Sludge By Torrefaction-Process Kinetics, Fuel Properties, And Energy Balance, Kacper Świechowski, Martyna Hnat, Paweł Stępień, Sylwia Stegenta-Dąbrowska, Szymon Kugler, Jacek A. Koziel, Andrzej Białowiec

Agricultural and Biosystems Engineering Publications

Sustainable solutions are needed to manage increased energy demand and waste generation. Renewable energy production from abundant sewage sludge (SS) and digestate (D) from biogas is feasible. Concerns about feedstock contamination (heavy metals, pharmaceuticals, antibiotics, and antibiotic-resistant bacteria) in SS and D limits the use (e.g., agricultural) of these carbon-rich resources. Low temperature thermal conversion that results in carbonized solid fuel (CSF) has been proposed as sustainable waste utilization. The aim of the research was to investigate the feasibility of CSF production from SS and D via torrefaction. The CSF was produced at 200~300 °C (interval of 20 ...


In Vivo Biosynthesis Of Inorganic Nanomaterials Using Eukaryotes - A Review, Ashiqur Rahman, Julia Lin, Francisco E. Jaramillo, Dennis A. Bazylinski, Clayton Jeffryes, Si Amar Dahoumane Jun 2020

In Vivo Biosynthesis Of Inorganic Nanomaterials Using Eukaryotes - A Review, Ashiqur Rahman, Julia Lin, Francisco E. Jaramillo, Dennis A. Bazylinski, Clayton Jeffryes, Si Amar Dahoumane

Life Sciences Faculty Publications

Bionanotechnology, the use of biological resources to produce novel, valuable nanomaterials, has witnessed tremendous developments over the past two decades. This eco-friendly and sustainable approach enables the synthesis of numerous, diverse types of useful nanomaterials for many medical, commercial, and scientific applications. Countless reviews describing the biosynthesis of nanomaterials have been published. However, to the best of our knowledge, no review has been exclusively focused on the in vivo biosynthesis of inorganic nanomaterials. Therefore, the present review is dedicated to filling this gap by describing the many different facets of the in vivo biosynthesis of nanoparticles (NPs) using living eukaryotic ...


Atmospheric Water Harvester, Justin K. Lam, Jacob David, Jessica Mabry, Ben Brough Jun 2020

Atmospheric Water Harvester, Justin K. Lam, Jacob David, Jessica Mabry, Ben Brough

Mechanical Engineering

Atmospheric water harvesting uses the vapor-compression cycle to collect water from the moisture in the air. The system’s components include an evaporator, condenser, compressor, fan, and several expansion valves. Condensate from the air is then funneled into a receptacle, which determines the efficiency of the water harvesting system. For this senior project, the goal is to increase the efficiency of an existing atmospheric water harvester.