Search Results - "Delaune, D"

Competitive adsorption of heavy metals onto sesame straw biochar in aqueous solutions by Park, Jong-Hwan, Ok, Yong Sik, Kim, Seong-Heon, Cho, Ju-Sik, Heo, Jong-Soo, Delaune, Ronald D., Seo, Dong-Cheol

“…•Sesame straw biochar demonstrated an excellent adsorption capacity for heavy metals.•Adsorption fitted best with Langmuir model as compared to the Freundlich…”
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Cadmium adsorption characteristics of biochars derived using various pine tree residues and pyrolysis temperatures by Park, Jong-Hwan, Wang, Jim J., Kim, Seong-Heon, Kang, Se-Won, Jeong, Chang Yoon, Jeon, Jong-Rok, Park, Ki Hun, Cho, Ju-Sik, Delaune, Ronald D., Seo, Dong-Cheol

“…[Display omitted] This study investigated the characteristics of biochars derived using various pine tree residues and pyrolysis temperatures and evaluated…”
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Will coastal wetlands continue to sequester carbon in response to an increase in global sea level?: a case study of the rapidly subsiding Mississippi river deltaic plain by DeLaune, R. D., White, J. R.

“…The highly visible coastal phenomenon of wetland loss in coastal Louisiana (LA) was examined through the prism of carbon accumulation and loss. Carbon storage…”
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Effect of pyrolysis temperature on phosphate adsorption characteristics and mechanisms of crawfish char by Park, Jong-Hwan, Wang, Jim J., Xiao, Ran, Zhou, Baoyue, Delaune, Ronald D., Seo, Dong-Cheol

“…[Display omitted] The purpose of this study was to investigate the characteristics of crawfish char (CFC) derived at different pyrolysis temperature and to…”
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Soil oxidation-reduction in wetlands and its impact on plant functioning by Pezeshki, S R, DeLaune, R D

“…Soil flooding in wetlands is accompanied by changes in soil physical and chemical characteristics. These changes include the lowering of soil redox potential…”
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Enhancement of nitrate removal in constructed wetlands utilizing a combined autotrophic and heterotrophic denitrification technology for treating hydroponic wastewater containing high nitrate and low organic carbon concentrations by Park, Jong-Hwan, Kim, Seong-Heon, Delaune, Ronald D., Cho, Ju-Sik, Heo, Jong-Soo, Ok, Yong Sik, Seo, Dong-Cheol

“…•Heterotrophic denitrification (HD) process is commonly used in constructed wetlands.•Constructed wetlands are not sufficient for treating hydroponic…”
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Evaluation of phosphorus adsorption capacity of sesame straw biochar on aqueous solution: influence of activation methods and pyrolysis temperatures by Park, J. H, Ok, Y. S, Kim, S. H, Cho, J. S, Heo, J. S, Delaune, R. D, Seo, D. C

“…The phosphorus (P) adsorption characteristic of sesame straw biochar prepared with different activation agents and pyrolysis temperatures was evaluated…”
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Factors influencing blue carbon accumulation across a 32‐year chronosequence of created coastal marshes by Abbott, Katherine M., Elsey‐Quirk, Tracy, DeLaune, Ronald D.

“…Saline coastal marshes are blue carbon ecosystems with relatively high soil carbon (C) stocks and high rates of soil C accumulation. Loss of saline wetlands…”
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Fungal and bacterial mediated denitrification in wetlands: Influence of sediment redox condition by Seo, Dong Cheol, DeLaune, R.D.

“…Fungal and bacterial denitrification rates were determined under a range of redox conditions in sediment from a Louisiana swamp forest used for wastewater…”
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Marsh vertical accretion via vegetative growth by Nyman, John A., Walters, Russel J., Delaune, Ronald D., Patrick, William H.

“…Coastal marshes accrete vertically in response to sea-level rise and subsidence. Inadequate accretion and subsequent conversion of coastal marshes to open…”
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Relationship between sediment clay minerals and total mercury by Kongchum, Manoch, Hudnall, Wayne H, Delaune, R. D

“…A group of 262 sediment samples were collected from various lakes, rivers, reservoirs, and bayous of Louisiana. All samples were analyzed for total mercury…”
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Projected Impact of Deepwater Horizon Oil Spill on U.S. Gulf Coast Wetlands by DeLaune, R. D., Wright, Alan L.

“…The Deepwater Horizon spill oiled coastal wetland ecosystems along the northern Gulf of Mexico. We present data on probable impacts and recovery of these…”
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Immobilization of aqueous Hg(II) by mackinawite (FeS) by Liu, Jianrong, Valsaraj, Kalliat T., Devai, Istvan, DeLaune, R.D.

“…As one of the major constituents of acid volatile sulfide (AVS) in anoxic sediments, mackinawite (FeS) is known for its ability to scavenge trace metals. The…”
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Influence of sediment redox conditions on release/solubility of metals and nutrients in a Louisiana Mississippi River deltaic plain freshwater lake by SHENYU MIAO, DELAUNE, R. D, JUGSUJINDA, A

“…The influence of sediment redox conditions on solubility of selected metals and nutrients in sediment from a coastal Louisiana freshwater lake (Lake…”
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Denitrification potential and its relation to organic carbon quality in three coastal wetland soils by Dodla, Syam K., Wang, Jim J., DeLaune, Ron D., Cook, Robert. L.

“…Capacity of a wetland to remove nitrate through denitrification is controlled by its physico-chemical and biological characteristics. Understanding these…”
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Heavy metals and metalloid contamination in Louisiana Lake Pontchartrain Estuary along I-10 Bridge by Zhang, Zengqiang, Wang, Jim J., Ali, Amjad, DeLaune, Ronald D.

“…•The contents of HMs in water and sediment in Lake Pontchartrain along I-10 Bridge were determined.•Vehicular traffic led to HMs accumulation in water and…”
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Carbon Sequestration and Soil Accretion in Coastal Wetland Communities of the Yellow River Delta and Liaohe Delta, China by Ye, S, Laws, E. A, Yuknis, N, Ding, X, Yuan, H, Zhao, G, Wang, J, Yu, X, Pei, S, DeLaune, R. D

“…Rates of accumulation of particulate organic carbon (POC) and particulate inorganic carbon (PIC) as well as soil accretion rates were determined in the Yellow…”
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Effect of redox conditions on bacterial and fungal biomass and carbon dioxide production in Louisiana coastal swamp forest sediment by Seo, Dong Cheol, DeLaune, Ronald D.

“…Fungal and bacterial carbon dioxide (CO 2) production/emission was determined under a range of redox conditions in sediment from a Louisiana swamp forest used…”
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Major Biogeochemical Processes in Soils-A Microcosm Incubation from Reducing to Oxidizing Conditions by Yu, K, Bohme, F, Rinklebe, J, Neue, H.U, DeLaune, R.D

“…Six soils used for rice (Oryza sativa L.) production were incubated using an automatic microcosm system. Production of trace gases (CO2, CH4, and N2O) and…”
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Removal of Eriochrome Black T by sulfate radical generated from Fe-impregnated biochar/persulfate in Fenton-like reaction by Park, Jong-Hwan, Wang, Jim J., Tafti, Negar, Delaune, Ronald D.

“…[Display omitted] •A Fe impregnated biochar catalyst (Fe-BC) was evaluated in Fenton oxidation using sulfate radical.•Optimal ratio of Fe-BC:persulfate…”
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