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Adsorption of CO2, CH4, and N2 on Ordered Mesoporous Carbon: Approach for Greenhouse Gases Capture and Biogas Upgrading
08-05-2013 | Bin Yuan; Xiaofei Wu; Yingxi Chen; Jianhan Huang; Hongmei Luo; Shuguang Deng, Environmental Science & Technology, 2013
Separation of CO2 and N2 from CH4 is significantly important in natural gas upgrading, and capture/removal of CO2, CH4 from air (N2) is essential to greenhouse gas emission control. Adsorption equilibrium and kinetics of CO2, CH4, and N2 on an ordered mesoporous carbon (OMC) sample were ...
Antagonistic Effects of Humic Acid and Iron Oxyhydroxide Grain-Coating on Biochar Nanoparticle Transport in Saturated Sand
07-05-2013 | Dengjun Wang; Wei Zhang; Dongmei Zhou, Environmental Science & Technology, 2013
Biochar land application may result in multiple agronomic and environmental benefits (e.g., carbon sequestration, improving soil quality, and immobilizing environmental contaminants). However, our understanding of biochar particle transport is largely unknown in natural environments with ...
Coagulation Kinetics of Humic Aggregates in Mono- and Di-Valent Electrolyte Solutions
01-05-2013 | Long-Fei Wang; Ling-Ling Wang; Xiao-Dong Ye; Wen-Wei Li; Xue-Mei Ren; Guo-Ping Sheng; Han-Qing Yu; Xiang-Ke Wang, Environmental Science & Technology, 2013
Coagulation behaviors of humic acids (HAs) aggregates in electrolyte solutions at different pHs, valences and concentrations of electrolyte cations were investigated using dynamic light scattering technique in combination of other analytical tools. For monovalent electrolyte sodium chloride ...
Joint Photomicrobial Process for the Degradation of the Insensitive Munition N-Guanylurea-dinitramide (FOX-12)
01-05-2013 | Nancy N. Perreault; Annamaria Halasz; Sonia Thiboutot; Guy Ampleman; Jalal Hawari, Environmental Science & Technology, 2013
N-Guanylurea-dinitramide (FOX-12) is a very insensitive energetic material intended to be used in the composition of next-generation insensitive munitions. To help predict the environmental behavior and fate of FOX-12, we conducted a study to determine its photodegradability and ...
Batch and dynamics modeling of the biosorption of Cr(VI) from aqueous solutions by solid biomass waste from the biodiesel production
30-04-2013 | Muthusamy Shanmugaprakash, Venkatachalam Sivakumar, Manickavelu Manimaran, Jeyaseelan Aravind, Environmental Progress, 2013
ABSTRACT Pongamia oil cake (POC), a bio‐residual waste is obtained during the production of biodiesel as a byproduct. This is used as biosorbent to evaluate the removal of chromium (VI) ions from an aqueous synthetic solution. The effects of various process parameters such as pH, contact ...
Influence of Chloride and Fe(II) Content on the Reduction of Hg(II) by Magnetite
26-04-2013 | Timothy S. Pasakarnis; Maxim I. Boyanov; Kenneth M. Kemner; Bhoopesh Mishra; Edward J. O’Loughlin; Gene Parkin; Mich ..., Environmental Science & Technology, 2013
Abiotic reduction of inorganic mercury by natural organic matter and native soils is well-known, and recently there is evidence that reduced iron (Fe) species, such as magnetite, green rust, and Fe sulfides, can also reduce Hg(II). Here, we evaluated the reduction of Hg(II) by magnetites with ...
Sustainability, Vol. 5, Pages 1725-1746: Do We Teach What We Preach? An International Comparison of Problem- and Project-Based Learning Courses in Sustainability
23-04-2013 | Brundiers, Katja ; Wiek, Arnim, Sustainability, 2013
Problem- and project-based learning (PPBL) courses in sustainability address real-world sustainability problems. They are considered powerful educational settings for building students’ sustainability expertise. In practice, however, these courses often fail to fully incorporate ...
Photocatalytic Conversion of Gaseous Nitrogen Trichloride into Available Chlorine—Experimental and Modeling Study
22-04-2013 | F. Gérardin; A. Cloteaux; M. Guillemot; M. Faure; J. C. André, Environmental Science & Technology, 2013
In water, chlorine reacts with nitrogen-containing compounds to produce disinfection byproducts such as nitrogen trichloride which induces ocular and respiratory irritations in swimming pool workers. A technical solution has been used to reduce NCl3 exposure to acceptable levels, by adding a ...
Sustainability, Vol. 5, Pages 1700-1724: Optimal and Sustainable Plant Refurbishment in Historical Buildings: A Study of an Ancient Monastery Converted into a Showroom in Florence
22-04-2013 | Balocco, Carla ; Marmonti, Enrico, Sustainability, 2013
The aim of this research is to study the possibility and sustainability of retrofit and refurbishment design solutions on historical buildings converted to different uses and often clashing with their original purpose and architectural features. The building studied is an ancient monastery ...
Effects of Solution Chemistry on the Transport of Graphene Oxide in Saturated Porous Media
10-04-2013 | Jacob D. Lanphere; Corey J. Luth; Sharon L. Walker, Environmental Science & Technology, 2013
A transport study was performed in saturated porous media through a packed bed column to simulate fate of graphene oxide nanoparticles (GONPs) in the subsurface environment. Transport experiments, along with mass balances and column dissections, were conducted as a function of ionic strength ...
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