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Jefferson Digital Commons Quarterly Report: July-September 2017, Daniel G. Kipnis, Msi, Kelsey Duinkerken, Msi, James Copeland, Libt Oct 2017

Jefferson Digital Commons Quarterly Report: July-September 2017, Daniel G. Kipnis, Msi, Kelsey Duinkerken, Msi, James Copeland, Libt

Jefferson Digital Commons Reports

This quarterly report includes:

  • Assorted articles
  • Confronting Racism, Bias, and Social Injustice in Healthcare Lecture
  • CREATE DAY OT Capstone presentations
  • Grand Rounds
  • Assorted Newsletters
  • Nexus Maximus Posters
  • University Wide Posters
  • House Staff Quality Improvement and Patient Safety Posters
  • CSHLA Scholar Day posters
  • Student publications and presentations
  • What People are Saying about the Jefferson Digital Commons


Municipal Solid Waste And Circular Economies: A Case Study Of Madinah City, Mohammad Rehan, Iqbal Mohammad Ismail, Abdul-Sattar Nizami Oct 2017

Municipal Solid Waste And Circular Economies: A Case Study Of Madinah City, Mohammad Rehan, Iqbal Mohammad Ismail, Abdul-Sattar Nizami

Dr Mohammad Rehan

The world is facing many challenges including economic imbalances, food, water,
and energy shortages together with increasing environmental pollution and health risks. The
nations, especially developing countries, have to shift from the linear economy (taking, making,
consuming and throwing away) towards a circular economy (sharing, leasing, reusing, repairing,
refurbishing and recycling). In Kingdom of Saudi Arabia (KSA), the municipal solid waste (MSW)
is mostly disposed in open landfills or dump sites, without the recovery of value-added materials
and energy, potentially causing several environmental and public health issues. The KSA
government has recently launched a new policy of Vision 2030 to ...


Municipal Solid Waste And Circular Economies A Case Study Of Madinah City.Pdf, Mohammad Rehan, Iqbal Mohammad Ismail, Abdul-Sattar Nizami Oct 2017

Municipal Solid Waste And Circular Economies A Case Study Of Madinah City.Pdf, Mohammad Rehan, Iqbal Mohammad Ismail, Abdul-Sattar Nizami

Dr. Abdul-Sattar Nizami

The world is facing many challenges including economic imbalances, food, water, and energy shortages together with increasing environmental pollution and health risks. The nations, especially developing countries, have to shift from the linear economy (taking, making, consuming and throwing away) towards a circular economy (sharing, leasing, reusing, repairing, refurbishing and recycling). In Kingdom of Saudi Arabia (KSA), the municipal solid waste (MSW) is mostly disposed in open landfills or dump sites, without the recovery of value-added materials and energy, potentially causing several environmental and public health issues. The KSA government has recently launched a new policy of Vision 2030 to ...


Torrefaction Kinetics Of Hemp Hurds, An Emerging Agricultural Byproduct, In A Small Retort, Tel Jensen Sep 2017

Torrefaction Kinetics Of Hemp Hurds, An Emerging Agricultural Byproduct, In A Small Retort, Tel Jensen

Civil and Environmental Engineering Undergraduate Honors Theses

As knowledge concerning the consequences of unsustainable energy sources and agricultural practices grows, development of low-impact alternatives to both becomes more important. Sustainable sources of biomass offer solutions to both problems. This study characterized the reaction kinetics of torrefying an agricultural byproduct, the woody interior of hemp stems, or hurds. Torrefaction was carried out at 250 °C in small and simple retorts made of galvanized steel pipe. A first-order model most closely approximated the reaction. A sensitivity analysis was performed and the data was adjusted to correct for three potential sources of error, and regressed to find the best fit ...


Challenges And Opportunities For Integrated Modeling Of Climate Engineering, Massimo Tavoni, Valentina Bosetti, Soheil Shayegh, Laurent Drouet, Johannes Emmerling, Sabine Fuss, Timo Goeschl, Celine Guivarch, Thomas S. Lontzek, Vassilik Manoussi, Juan Moreno-Cruz, Helene Muri, Martin Quaas, Wilfried Rickels Sep 2017

Challenges And Opportunities For Integrated Modeling Of Climate Engineering, Massimo Tavoni, Valentina Bosetti, Soheil Shayegh, Laurent Drouet, Johannes Emmerling, Sabine Fuss, Timo Goeschl, Celine Guivarch, Thomas S. Lontzek, Vassilik Manoussi, Juan Moreno-Cruz, Helene Muri, Martin Quaas, Wilfried Rickels

Fondazione Eni Enrico Mattei Working Papers

The Paris Agreement has set stringent temperature targets to limit global warming to 2°C above preindustrial level, with efforts to stay well below 2°C. At the same time, its bottom-up approach with voluntary national contributions makes the implementation of these ambitious targets particularly challenging. Climate engineering – both through carbon dioxide removal (CDR) and solar radiation management (SRM) – is currently discussed to potentially complement mitigation and adaptation. Results from integrated assessment models already suggest a significant role for some forms of climate engineering in achieving stringent climate objectives1. However, these estimates and their underlying assumptions are uncertain and currently ...


Pilot-Scale Testing Of Non-Activated Biochar For Swine Manure Treatment And Mitigation Of Ammonia, Hydrogen Sulfide, Odorous Volatile Organic Compounds (Vocs), And Greenhouse Gas Emissions, Devin L. Maurer, Jacek A. Koziel, Kajetan Kalus, Daniel S. Andersen, Sebastian Opalinski Aug 2017

Pilot-Scale Testing Of Non-Activated Biochar For Swine Manure Treatment And Mitigation Of Ammonia, Hydrogen Sulfide, Odorous Volatile Organic Compounds (Vocs), And Greenhouse Gas Emissions, Devin L. Maurer, Jacek A. Koziel, Kajetan Kalus, Daniel S. Andersen, Sebastian Opalinski

Daniel S. Andersen

Managing the environmental impacts associated with livestock production is a challenge for farmers, public and regulatory agencies. Sustainable solutions that take into account technical and socioeconomic factors are needed. For example, the comprehensive control of odors, ammonia (NH3), hydrogen sulfide (H2S), and greenhouse gas (GHG) emissions from swine production is a critical need. Stored manure is a major source of gaseous emissions. Mitigation technologies based on bio-based products such as biochar are of interest due to the potential benefits of nutrient cycling. The objective of this study was to test non-activated (non-functionalized) biochar for the mitigation of gaseous emissions from ...


Pilot-Scale Testing Of Non-Activated Biochar For Swine Manure Treatment And Mitigation Of Ammonia, Hydrogen Sulfide, Odorous Volatile Organic Compounds (Vocs), And Greenhouse Gas Emissions, Devin L. Maurer, Jacek A. Koziel, Kajetan Kalus, Daniel S. Andersen, Sebastian Opalinski Aug 2017

Pilot-Scale Testing Of Non-Activated Biochar For Swine Manure Treatment And Mitigation Of Ammonia, Hydrogen Sulfide, Odorous Volatile Organic Compounds (Vocs), And Greenhouse Gas Emissions, Devin L. Maurer, Jacek A. Koziel, Kajetan Kalus, Daniel S. Andersen, Sebastian Opalinski

Devin L. Maurer

Managing the environmental impacts associated with livestock production is a challenge for farmers, public and regulatory agencies. Sustainable solutions that take into account technical and socioeconomic factors are needed. For example, the comprehensive control of odors, ammonia (NH3), hydrogen sulfide (H2S), and greenhouse gas (GHG) emissions from swine production is a critical need. Stored manure is a major source of gaseous emissions. Mitigation technologies based on bio-based products such as biochar are of interest due to the potential benefits of nutrient cycling. The objective of this study was to test non-activated (non-functionalized) biochar for the mitigation of gaseous emissions from ...


Pilot-Scale Concept Of Real-Time Wind Speed-Matching Wind Tunnel For Measurements Of Gaseous Emissions, Devin Maurer, Jacek A. Koziel, Kelsey M. Bruning, David B. Parker Aug 2017

Pilot-Scale Concept Of Real-Time Wind Speed-Matching Wind Tunnel For Measurements Of Gaseous Emissions, Devin Maurer, Jacek A. Koziel, Kelsey M. Bruning, David B. Parker

Devin L. Maurer

Comprehensive control of odors, hydrogen sulfide (H2S), ammonia (NH3) and odorous volatile organic compound (VOC) emissions associated with animal production is a critical need. Current methods utilizing wind tunnels and flux chambers for measurements of gaseous emissions from area sources such as feedlots, lagoons, pastures and cropland are often criticized for potential bias. The bias is due to the temporal isolation of the emitting surface, affecting the air velocity and temperature at the surface, forcing controlled surface-to-gas-phase mass transfer, and therefore, affecting emission measurements. That bias can limit the applicability of these methods to relative and comparative ...


Farm-Scale Testing Of Soybean Peroxidase And Calcium Peroxide For Surficial Swine Manure Treatment And Mitigation Of Odorous Vocs, Ammonia And Hydrogen Sulfide Emissions, Devin L. Maurer, Jacek A. Koziel, Kelsey Bruning, David B. Parker Aug 2017

Farm-Scale Testing Of Soybean Peroxidase And Calcium Peroxide For Surficial Swine Manure Treatment And Mitigation Of Odorous Vocs, Ammonia And Hydrogen Sulfide Emissions, Devin L. Maurer, Jacek A. Koziel, Kelsey Bruning, David B. Parker

Devin L. Maurer

The swine industry, regulatory agencies, and the public are interested in farm-tested methods for controlling gaseous emissions from swine barns. In earlier lab- and pilot-scale studies, a renewable catalyst consisting of soybean peroxidase (SBP) mixed with calcium peroxide (CaO2) was found to be effective in mitigating gaseous emissions from swine manure. Thus, a farm-scale experiment was conducted at the university's 178-pig, shallow-pit, mechanically-ventilated swine barn to evaluate SBP/CaO2 as a surficial manure pit additive under field conditions. The SBP was applied once at the beginning of the 42-day experiment at an application rate of 2.28 ...


Pilot-Scale Concept Of Real-Time Wind Speed-Matching Wind Tunnel For Measurements Of Gaseous Emissions, Devin Maurer, Jacek A. Koziel, Kelsey M. Bruning, David B. Parker Jul 2017

Pilot-Scale Concept Of Real-Time Wind Speed-Matching Wind Tunnel For Measurements Of Gaseous Emissions, Devin Maurer, Jacek A. Koziel, Kelsey M. Bruning, David B. Parker

Agricultural and Biosystems Engineering Conference Proceedings and Presentations

Comprehensive control of odors, hydrogen sulfide (H2S), ammonia (NH3) and odorous volatile organic compound (VOC) emissions associated with animal production is a critical need. Current methods utilizing wind tunnels and flux chambers for measurements of gaseous emissions from area sources such as feedlots, lagoons, pastures and cropland are often criticized for potential bias. The bias is due to the temporal isolation of the emitting surface, affecting the air velocity and temperature at the surface, forcing controlled surface-to-gas-phase mass transfer, and therefore, affecting emission measurements. That bias can limit the applicability of these methods to relative and comparative ...


Trace Metals In Stormwater: Alternative Best Management Practices, Jennifer Ibeth Mora Jun 2017

Trace Metals In Stormwater: Alternative Best Management Practices, Jennifer Ibeth Mora

Civil and Environmental Engineering Master's Project Reports

Heavy metals, such as copper (Cu) and zinc (Zn), are considered hazardous in natural waters due to their toxicity and non-biodegradability. The focus of this study is to use batch experiments to investigate the heavy metal (Cu and Zn) removal efficiency of perlite and EarthliteTM to improve in-situ filtration systems for stormwater catchment basins. Stormwater samples from two field sites in Portland, OR, chosen to represent a high-use commercial site and high-traffic urban road, were characterized to inform experimental design and compare to values found in literature. The Linear, Freundlich, and Langmuir isotherm models were used to describe equilibrium ...


Partnerships In Sustainability: The Transition Town Movement In Minnesota, Leslie Mackenzie, Marty Lewis-Hunstiger Jun 2017

Partnerships In Sustainability: The Transition Town Movement In Minnesota, Leslie Mackenzie, Marty Lewis-Hunstiger

Interdisciplinary Journal of Partnership Studies

Transition Towns is a citizen-led movement that seeks to address individual and societal dependence on fossil fuels and the need to reduce greenhouse gas production in order to fight climate change. The foundation of Transition is permaculture, a design process based on whole-systems thinking informed by the patterns and relationships found in nature. Since its inception in 2005, the Transition movement has spread worldwide, as people in small groups and across large towns look for ways to take practical action to fight climate change: from home vegetable gardens to weatherization work parties, from time banks and tool shares to renewable ...


Hybrid Thermochemical Processing: Fermentation Of Pyrolysis-Derived Bio-Oil, Laura R. Jarboe, Zhiyou Wen, Dong Won Choi, Robert C. Brown Jun 2017

Hybrid Thermochemical Processing: Fermentation Of Pyrolysis-Derived Bio-Oil, Laura R. Jarboe, Zhiyou Wen, Dong Won Choi, Robert C. Brown

Laura R. Jarboe

Thermochemical processing of biomass by fast pyrolysis provides a nonenzymatic route for depolymerization of biomass into sugars that can be used for the biological production of fuels and chemicals. Fermentative utilization of this bio-oil faces two formidable challenges. First is the fact that most bio-oil-associated sugars are present in the anhydrous form. Metabolic engineering has enabled utilization of the main anhydrosugar, levoglucosan, in workhorse biocatalysts. The second challenge is the fact that bio-oil is rich in microbial inhibitors. Collection of bio-oil in distinct fractions, detoxification of bio-oil prior to fermentation, and increased robustness of the biocatalyst have all proven effective ...


Macroporous Carbon Supported Zerovalent Iron For Remediation Of Trichloroethylene, Michael Lawrinenko, Zhuangji Wang, Robert Horton, Deyny Mendivelso-Perez, Emily A. Smith, Terry E. Webster, David A. Laird, Johannes Van Leeuwen Jun 2017

Macroporous Carbon Supported Zerovalent Iron For Remediation Of Trichloroethylene, Michael Lawrinenko, Zhuangji Wang, Robert Horton, Deyny Mendivelso-Perez, Emily A. Smith, Terry E. Webster, David A. Laird, Johannes Van Leeuwen

Emily Smith

Groundwater contamination with chlorinated hydrocarbons has become a widespread problem that threatens water quality and human health. Permeable reactive barriers (PRBs), which employ zerovalent iron, are effective for remediation; however, a need exists to reduce the economic and environmental costs associated with constructing PRBs. We present a method to produce zerovalent iron supported on macroporous carbon using only lignin and magnetite. Biochar-ZVI (BC-ZVI) produced by this method exhibits a broad pore size distribution with micrometer sized ZVI phases dispersed throughout a carbon matrix. X-ray diffraction revealed that pyrolysis at 900 °C of a 50/50 lignin–magnetite mixture resulted in ...


Forge 2.0 Clean Burning Cook Stove, William Gebb, Matthew Lee, Thai Ha Sloan, Emily Gray-Gribble Jun 2017

Forge 2.0 Clean Burning Cook Stove, William Gebb, Matthew Lee, Thai Ha Sloan, Emily Gray-Gribble

Mechanical Engineering Senior Theses

Team Forge 2.0 is a team of mechanical engineers that has designed, modified, and manufactured a cook stove that creates a clean burn in order to help relieve respiratory disease and harmful environmental impacts resulting from the combustion of biomass in developing nations. The stove is developed specifically for developing communities in Nicaragua that still use traditional cooking methods which contribute to premature deaths due to respiratory illness. The designed product is a cylindrical cooking device that has a unique air flow system which optimizes the gasification process. Gasification is the process in which gas released from the primary ...


Fluid Fertilizer’S Role In Sustaining Soils Used For Bio-Fuels Production, John L. Kovar, Douglas Karlen Jun 2017

Fluid Fertilizer’S Role In Sustaining Soils Used For Bio-Fuels Production, John L. Kovar, Douglas Karlen

Douglas L Karlen

The short- and long-term effects on soil nutrient cycling, physical properties, and biological activity of striving for higher grain yields and removing crop residues for bio-fuels production must be understood to provide more quantitative crop and soil management guidelines. This study focuses on potassium (K) and sulfur (S) requirements of corn (Zea mays L.) grown for bioenergy feedstock production. Our objectives for 2008 were to: i) evaluate the performance of several S fertilizers, including liquid ammonium thiosulfate (12-0-0-26S), as S sources for corn grown in Iowa, and ii) establish a comprehensive tillage, nutrient management, crop residue removal, and cover crop ...


Crop Residues: The Rest Of The Story, Douglas L. Karlen, Rattan Lal, Ronald F. Follett, John M. Kimble, Jerry L. Hatfield, John A. Miranowski, Cynthia A. Cambardella, Andrew Manale, Robert P. Anex, Charles W. Rice Jun 2017

Crop Residues: The Rest Of The Story, Douglas L. Karlen, Rattan Lal, Ronald F. Follett, John M. Kimble, Jerry L. Hatfield, John A. Miranowski, Cynthia A. Cambardella, Andrew Manale, Robert P. Anex, Charles W. Rice

Douglas L Karlen

Synopsis In the February 15, 2009 issue of ES&T Strand and Benford argued that oceanic deposition of agricultural crop residues was a viable option for net carbon sequestration (43 [4], 1000−1007). In reviewing the calculations and bringing their experience to bear, Karlen et al. argue in this Viewpoint that crop residue oceanic permanent sequestration (CROPS) as envisioned by Strand and Benford will not work. They further propose alternative possibilities in agricultural methods to achieve a net decrease of CO2 emissions.


Biochar And Nitrogen Effects On Winter Wheat Growth, T. E. Zee, N. O. Nelson, G. Newdigger Jun 2017

Biochar And Nitrogen Effects On Winter Wheat Growth, T. E. Zee, N. O. Nelson, G. Newdigger

Kansas Agricultural Experiment Station Research Reports

Biochar, a co-product of thermochemical bioenergy production, may be a valuable soil amendment, but little is known about its potential long-term effects on plant growth and soil fertility. In order to gain more information, this experiment was performed to see if the addition of biochar, in comparison to lime and fertilizer treatments, has the potential to return key nutrients back to the soil or increase crop yield. A field study to investigate the effects of biochar on plant growth was initiated in 2011 near St. John, KS. Treatments included biochar applied at 16.6 ton/a (biochar), lime and annual ...


Kansas Fertilizer Research 2017 Jun 2017

Kansas Fertilizer Research 2017

Kansas Agricultural Experiment Station Research Reports

Reports on fertilizer and related topics from Kansas State University.


Timber Talk, Vol. 55, No. 2. June 2017 Jun 2017

Timber Talk, Vol. 55, No. 2. June 2017

Timber Talk: Nebraska Forest Industry Newsletter

In This Issue

Lumber Market Reports 1

Hardwood Lumber Prices 2

Letter from the Editor: Nebraska Forest Products Association Can Nebraska’s beef industry be a model for the forest products industry? 3

American Wood Fibers--Yes Virginia, there is pine in Nebraska...And it has value! 4

Pine Ridge Sawmill Ready to Come Back to Life--Doescher Mill looking to rent/lease complete sawmill operation 5

Workshop Announcement--Portable Sawmill Operations and Lumber Drying 6

Nebraska Forest Service Awarded Biochar Grant 6

Nebraska Forest Industry Spotlight 7

Forest Products Specialists Tour Nebraska Facilities 7

Timber Sales 8


Pine Needle Pyrolysis: Bio-Waste Into Biofuel, Alexandra Fuentes May 2017

Pine Needle Pyrolysis: Bio-Waste Into Biofuel, Alexandra Fuentes

Honors Theses and Capstone Projects

This project explores the alternate uses of biomass. In particular it focuses on pine needles as a source for biofuels. Pine needles are of interest because in certain Mountain communities they are collected and removed from residential properties. By removing the pine needles, communities create a “defensible space” to prevent wild fires from destroying homes and property. These needles are often placed in regional landfills. The South Tahoe Refuse and Recycling Services alone has more than 4,340 tons of pine needles dumped at their facility annually. This large amount of biomass can be a potential energy source.

The focus ...


Life Cycle Assessment Of Sweet Sorghum As Feedstock For Second-Generation Biofuel Production, Karla Morrissey May 2017

Life Cycle Assessment Of Sweet Sorghum As Feedstock For Second-Generation Biofuel Production, Karla Morrissey

Chemical Engineering Undergraduate Honors Theses

There exist few life cycle assessments (LCAs) in the literature that focus on the second-generation biofuel production from sweet sorghum, a non-food-source feedstock that offers several advantages in terms of farming requirements compared to corn or sugarcane. The objective of this LCA study was to evaluate biofuels produced from sweet sorghum to determine the potential environmental benefits of producing sweet sorghum biofuel compared to conventional fossil fuels. The biofuel production process used for this study differed from other LCAs in that, in parallel to stalk juice extraction and fermentation, residual bagasse and vinasse was pyrolyzed and upgraded to a diesel ...


Evaluation Of Phosphorous Removals By Biochar Supported Nano-Scale Zero-Valent Iron, Maria S. Rossetti May 2017

Evaluation Of Phosphorous Removals By Biochar Supported Nano-Scale Zero-Valent Iron, Maria S. Rossetti

Chemical Engineering Undergraduate Honors Theses

This study evaluated the effectiveness of biochar-supported nano-scale zero-valent iron (nZVI/BC) in removing phosphorus (P) from water. Samples of nZVI/BC were prepared using aqueous nanoparticles synthesis techniques, and were mixed with a stock phosphorus solution. To determine P reductions water samples were tested for P content using the ascorbic acid method. This procedure was repeated for samples of stock P solution, zero-valent iron (ZVI), biochar, and ZVI/BC. nZVI/BC reduced P content by 86% whereas ZVI, biochar, and ZVI/BC removed 6%, -23%, and 17% respectively. This suggests that nZVI/BC has the potential to be an ...


Reviewing Biochar Research And Introducing A Possible Classification System, Patricia G. Burns May 2017

Reviewing Biochar Research And Introducing A Possible Classification System, Patricia G. Burns

Research Papers

Biochar is the product of burning biomass, such as hardwood, rice hulls, bamboo, or even chicken litter, in a low- to no-oxygen environment. The result is a black carbon skeletal-like structure of the original biomass.

Research into biochar as a soil amendment has been influenced by the study of anthropogenic dark, richly fertile soils found in the Amazon rainforest where the native forest soil is acidic and low in fertility. Biochar research for amending agricultural soils is relatively new but there are strong indications that this practice can decrease the need for additional fertilizer and water inputs.

Biochar products will ...


Trihalomethane, Dihaloacetonitrile, And Total N-Nitrosamine Precursor Adsorption By Carbon Nanotubes: The Importance Of Surface Oxides And Pore Volume, Erin Needham May 2017

Trihalomethane, Dihaloacetonitrile, And Total N-Nitrosamine Precursor Adsorption By Carbon Nanotubes: The Importance Of Surface Oxides And Pore Volume, Erin Needham

Theses and Dissertations

As drinking water sources become increasingly impaired, enhanced removal of natural organic matter (NOM) may be required to curb formation of disinfection byproducts (DBPs) upon chlor(am)ination. While carbon nanotubes (CNTs) can adsorb NOM, their properties for DBP precursor adsorption have not been elucidated. Nine types of CNTs were assessed for trihalomethane (THM), dihaloacetonitrile (DHAN), and total N-nitrosamine (TONO) precursor adsorption. Batch isotherm experiments were completed with lake water and, to simulate an impaired condition, effluent from a wastewater treatment plant (WWTP). Adsorption varied with CNT type and dose, with TONO precursors having the highest percent removals from WWTP ...


Spatial Distribution Of Sequestered Metals In An Arid Southern California Bioswale, Zachary Evans Apr 2017

Spatial Distribution Of Sequestered Metals In An Arid Southern California Bioswale, Zachary Evans

2017 Claremont Colleges Library Undergraduate Research Award

Bioswales are a type of permeable green infrastructure designed to slow storm water runoff, and clean runoff by sequestering pollutants such as heavy metals. The influence of bioswale features such as slope, terrain, soil type, depth, and vegetation on the efficacy of bioswales in processing storm water runoff is an active area of research aimed partly at optimizing bioswale design and construction. Concentrations of aluminum, cobalt, chromium, copper, iron, magnesium, manganese, nickel, lead, vanadium and zinc were measured in surface soil, depth soil, and at several plant locations. The distribution of metals in surface, depth, and rhizosphere soil fractions were ...


Does Biochar Improve Disturbed, Sandy Soils?, Kathleen Fast Apr 2017

Does Biochar Improve Disturbed, Sandy Soils?, Kathleen Fast

16th Annual Celebration of Undergraduate Research and Creative Performance (2017)

We studied whether adding biochar to sandy, carbon-poor soil impacts plant growth. Biochar is an organic compound composed mainly of black carbon. Biochar is of interest as a possible soil amendment to alleviate stresses on agricultural production due to its high water and nutrient retention capabilities, high cation exchange capacity, high porosity that increases mycorrhizal growth, and ability to sequester carbon dioxide. Our experiment involved using three different plant types, Avena sativa (common oat), Vigna radiata (mung bean), and Raphanus sativus (cherry belle radish), in greenhouse and garden plot experiments. In the greenhouse we used five different treatments of soil ...


Pine Needle Pyrolysis: Bio-Waste Into Biofuel, Alexandra Fuentes Apr 2017

Pine Needle Pyrolysis: Bio-Waste Into Biofuel, Alexandra Fuentes

Scholarly & Creative Works Conference 2018

This project explores the alternate uses of biomass. In particular, it focuses on pine needles as a source for biofuels. Pine needles are of interest because in certain Mountain communities they are collected and removed from residential properties. By removing the pine needles, communities create a “defensible space” to prevent wild fires from destroying homes. These needles are often placed in regional landfills. The South Tahoe Refuse and Recycling Services alone has more than 4,340 tons of pine needles dumped at their facility annually. This large amount of biomass can be a potential energy source.

The focus of this ...


Biochar Derived From Cotton Fiber Feedstock: Characterization Of Material And Potential For Adsorptive Capacity, Lucas Marshall, William Wei, Megan Fuller Apr 2017

Biochar Derived From Cotton Fiber Feedstock: Characterization Of Material And Potential For Adsorptive Capacity, Lucas Marshall, William Wei, Megan Fuller

CSHLA Scholar Day

Introduction

Anthropogenic contaminants in surface waters have increased in complexity as the use of chemicals in all sectors of society has grown [1]. Water scarcity and quality issues will require robust, low-cost, and sustainable solutions.

Biochars are particularly compelling as adsorptive solids because they repurpose wastes [2, 3] from other industries and are often carbon neutral, if not carbon negative. Cotton is the most common cellulosic fiber on the global fiber market, and as such, a significant contributor to municipal waste streams [4]. This research investigates the use of undyed, unbleached, 100% cotton muslin fabric as the fuel for making ...


Biochar Derived From Cotton Fiber Feedstock: Characterization Of Material And Potential For Adsorptive Capacity, Lucas Marshall, William Wei, Megan Fuller Apr 2017

Biochar Derived From Cotton Fiber Feedstock: Characterization Of Material And Potential For Adsorptive Capacity, Lucas Marshall, William Wei, Megan Fuller

CSHLA Scholar Day

Introduction

Anthropogenic contaminants in surface waters have increased in complexity as the use of chemicals in all sectors of society has grown [1]. Water scarcity and quality issues will require robust, low-cost, and sustainable solutions.

Biochars are particularly compelling as adsorptive solids because they repurpose wastes [2, 3] from other industries and are often carbon neutral, if not carbon negative. Cotton is the most common cellulosic fiber on the global fiber market, and as such, a significant contributor to municipal waste streams [4]. This research investigates the use of undyed, unbleached, 100% cotton muslin fabric as the fuel for making ...