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Articles 1 - 30 of 46
Full-Text Articles in Engineering
Tech Time
DePaul Magazine
DePaul is embracing tech more than ever, incorporating innovative devices and approaches into education in all corners of the university. Here are seven ways DePaul provides hands-on experiences with cutting-edge tools that position students and faculty in the forefront of their industries and disciplines.
Utilization Of Cellulose Symbiotic Culture Of Bacteria And Yeast (Scoby) With Sweet Tea Media As Methylene Blue And Brilliant Green Biosorbent Material, Leonard Mateus Sigiro, Ahmad Maksum, Donanta Dhaneswara
Utilization Of Cellulose Symbiotic Culture Of Bacteria And Yeast (Scoby) With Sweet Tea Media As Methylene Blue And Brilliant Green Biosorbent Material, Leonard Mateus Sigiro, Ahmad Maksum, Donanta Dhaneswara
Journal of Materials Exploration and Findings (JMEF)
The cellulose from Symbiotic Culture of Bacteria and Yeast (SCOBY) can be used as a biosorbent for dye adsorption, such as Methylene Blue and Brilliant Green. This study used sweet tea with a 6% of sugar concentration and 14 days of fermentation time to synthesize biosorbent material from SCOBY. The results from this synthesis are then characterized using FTIR, SEM, and BET. From the result of characterization, it was found that SCOBY has pores formed from cellulose. The results of the average pore size are 1.5976nm with a pore volume of 0.229cc/g, while the specific surface area is 143.244m2/g. The …
Wastewater-Informed Public Health Intervention Playbook
Wastewater-Informed Public Health Intervention Playbook
Sustain Magazine
As the SARS-CoV-2 pandemic quickly spread from country to country and continent to continent in 2020, governments and scientists needed a way to track COVID-19 through populations in order to position public health interventions in the most impactful locations. Having a decision-based risk framework may help to guide policy creation that could minimize or prevent possible outbreaks and surges of infection within communities. The University of Louisville in partnership with Louisville’s Department of Public Health and Wellness tested this strategy in 2021 and 2022. This Wastewater-Informed Public Health Intervention Playbook describes the decisions and actions of that academic and public …
Vermiculations In Painted Caves: New Inputs From Laboratory Experiments And Field Observations, Perrine Freydier, Eric Weber, Jérôme Martin, Pierre-Yves Jeannin, Béatrice Guerrier, Frédéric Doumenc
Vermiculations In Painted Caves: New Inputs From Laboratory Experiments And Field Observations, Perrine Freydier, Eric Weber, Jérôme Martin, Pierre-Yves Jeannin, Béatrice Guerrier, Frédéric Doumenc
International Journal of Speleology
Vermiculations are aggregates of small particles commonly found on cave walls. They are a major concern for the conservation of painted caves, as they can potentially alter valuable prehistoric cave paintings. A previous rheological study of fine sediment deposits on cave walls revealed that this material can undergo a solid-to-liquid transition triggered by variations in the chemical composition of the water film on the wall. Such a transition could occur at the origin of vermiculations by allowing the sediment to flow under low mechanical stress. In this work, we provide quantitative information on the conditions leading to this transition and …
Novel Pilot Development Of A Closed-Loop Sustainable System Between Biogas Renewable Energy, Distilling, And Aquaculture By Vermiculture Of Stillage Wastes, Samuel C. Kessler
Novel Pilot Development Of A Closed-Loop Sustainable System Between Biogas Renewable Energy, Distilling, And Aquaculture By Vermiculture Of Stillage Wastes, Samuel C. Kessler
The Cardinal Edge
This study provides a mixed-methods approach in analyzing a potential closed-loop system between renewable biogas production from anaerobic digestion, vermiculture production, aquaculture production, and organic wastes with a particular focus on stillage wastes. Such system may hold significant promise for significantly reducing organic carbon and methane emissions from its components, and should be assessed for such. The 2021 IPCC report essentially identified methane reduction as the single fastest way to slow global warming (IPCC, 2021), making the study and implementation of methane-reducing systems and supportive policy for them critical. Knowledge gaps to implementing this system were qualitatively identified as disconnect …
Sustainable Solutions, Fall/Winter 2020, Issue 41
Sustainable Solutions, Fall/Winter 2020, Issue 41
Sustain Magazine
No abstract provided.
Environmentally Responsible Land Use, Spring/Summer 2010, Issue 22
Environmentally Responsible Land Use, Spring/Summer 2010, Issue 22
Sustain Magazine
No abstract provided.
Sustainable Communities, Fall/Winter 2010, Issue 21
Sustainable Communities, Fall/Winter 2010, Issue 21
Sustain Magazine
No abstract provided.
Sustainable Building, Spring/Summer 2009, Issue 20
Sustainable Building, Spring/Summer 2009, Issue 20
Sustain Magazine
No abstract provided.
Environmental History, Fall/Winter 2009, Issue 19
Environmental History, Fall/Winter 2009, Issue 19
Sustain Magazine
No abstract provided.
Student Research, Spring/Summer 2008, Issue 18
Evolving Pollution Prevention, Fall/Winter 2008, Issue 17
Evolving Pollution Prevention, Fall/Winter 2008, Issue 17
Sustain Magazine
No abstract provided.
Climate Change, Spring/Summer 2007, Issue 16
Our Energy Future, Fall/Winter 2007, Issue 15
Land Conservation, Spring/Summer 2006, Issue 14
Land Conservation, Spring/Summer 2006, Issue 14
Sustain Magazine
No abstract provided.
Pollution And Heart Disease, Fall/Winter 2006, Issue 13
Pollution And Heart Disease, Fall/Winter 2006, Issue 13
Sustain Magazine
No abstract provided.
Green Cities, Spring/Summer 2005, Issue 12
Global Sustainability, Fall/Winter 2005, Issue 11
Global Sustainability, Fall/Winter 2005, Issue 11
Sustain Magazine
No abstract provided.
Environmental Justice, Spring/Summer 2004, Issue 10
Environmental Justice, Spring/Summer 2004, Issue 10
Sustain Magazine
No abstract provided.
Kentucky's Environmental Future, Fall/Winter 2004, Issue 9
Kentucky's Environmental Future, Fall/Winter 2004, Issue 9
Sustain Magazine
No abstract provided.
Urban Ecology, Spring/Summer 2003, Issue 8
Urban Regeneration, Fall/Winter 2003, Issue 7
Urban Air Quality, Spring/Summer 2002, Issue 6
Sustainability Of Industrialized Agriculture, Fall/Winter 2002, Issue 5
Sustainability Of Industrialized Agriculture, Fall/Winter 2002, Issue 5
Sustain Magazine
No abstract provided.
Urban Design For Environmental Protection, Spring/Summer 2001, Issue 4
Urban Design For Environmental Protection, Spring/Summer 2001, Issue 4
Sustain Magazine
No abstract provided.
Stream Restoration, Spring/Summer 2011, Issue 24
Stream Restoration, Spring/Summer 2011, Issue 24
Sustain Magazine
No abstract provided.
Renewable Energy, Fall/Winter 2011, Issue 23
Biodiversity, Fall/Winter 2012, Issue 25
Active Transportation, Spring/Summer 2012, Issue 26
Active Transportation, Spring/Summer 2012, Issue 26
Sustain Magazine
No abstract provided.