Search Results - "Poerschmann, Juergen"

Pathways of advanced oxidation of phenol by Fenton's reagent—Identification of oxidative coupling intermediates by extractive acetylation by Poerschmann, Juergen, Trommler, Ulf

“…Homogeneous Fenton reaction (H 2O 2/Fe 2+ system) using significantly substoichiometric concentrations of H 2O 2 oxidant to oxidize phenol was characterized…”
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Kinetics of Desorption of Organic Compounds from Dissolved Organic Matter by Kopinke, Frank-Dieter, Ramus, Ksenia, Poerschmann, Juergen, Georgi, Anett

“…This study presents a new experimental technique for measuring rates of desorption of organic compounds from dissolved organic matter (DOM) such as humic…”
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Solid Phase Microextraction for Determining the Distribution of Chemicals in Aqueous Matrices by Poerschmann, Juergen, Zhang, Zhouyao, Kopinke, Frank-Dieter, Pawliszyn, Janusz

“…Solid phase microextraction (SPME) can be applied to measure the distribution of chemicals in different speciation states. The standard SPME apparatus and…”
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Solid Phase Microextraction To Study the Sorption of Organotin Compounds onto Particulate and Dissolved Humic Organic Matter by Poerschmann, Juergen, Kopinke, Frank-Dieter, Pawliszyn, Janusz

“…Solid phase microextraction (SPME) was used to investigate the sorption behavior of ionogenic and non-ionogenic alkylated organotin compounds onto humic…”
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Sorption determination of phenols and polycyclic aromatic hydrocarbons in a multiphase constructed wetland system by solid phase microextraction by Poerschmann, Juergen, Schultze-Nobre, Luciana

“…Non-degradative sorption of organic pollutants onto plant roots during phytoremediation is an essential retardation mechanism. To determine the extent of the…”
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Aromatic intermediate formation during oxidative degradation of Bisphenol A by homogeneous sub-stoichiometric Fenton reaction by Poerschmann, Juergen, Trommler, Ulf, Górecki, Tadeusz

“…The elimination of Bisphenol A (BPA) from contaminated waters is an urgent challenge. This contribution focuses on BPA degradation by homogeneous Fenton…”
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Sorption of Organic Pollutants on Anthropogenic Humic Matter by Kopinke, Frank-Dieter, Poerschmann, Juergen, Stottmeister, Ulrich

“…A modified solubility parameter concept is proposed in order to gain a better understanding of the K(OC)-K(OW) correlation for hydrophobic sorption on humic…”
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Rapid screening of phytoremediation effluents by off-line tetramethylammonium hydroxide assisted thermochemolysis by Poerschmann, Juergen, Schultze-Nobre, Luciana

“…Tetramethylammonium hydroxide-assisted thermochemolysis performed in an off-line mode proved a useful tool in determining organic compounds in the effluent…”
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Hydrothermal Carbonization of Glucose, Fructose, and XyloseIdentification of Organic Products with Medium Molecular Masses by Poerschmann, Juergen, Weiner, Barbara, Koehler, Robert, Kopinke, Frank-Dieter

“…The monosaccharides glucose, fructose, and xylose were subjected to hydrothermal carbonization in aqueous solution at temperatures of 180, 220, and 250 °C for…”
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Organic matter in sediment layers of an acidic mining lake as assessed by lipid analysis. Part II: Neutral lipids by Poerschmann, Juergen, Koschorreck, Matthias, Górecki, Tadeusz

“…Natural neutralization of acidic mining lakes is often limited by organic matter. The knowledge of the sources and degradability of organic matter is crucial…”
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Combination of hydrothermal carbonization and wet oxidation of various biomasses by Riedel, Gotthart, Koehler, Robert, Poerschmann, Juergen, Kopinke, Frank-Dieter, Weiner, Barbara

“…•Process waters from HTC of various biomasses were treated by wet oxidation.•Iron-salts increased the efficiency of the wet oxidation.•Chemical oxygen demand…”
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Influence of Process Water Reuse on the Hydrothermal Carbonization of Paper by Weiner, Barbara, Poerschmann, Juergen, Wedwitschka, Harald, Koehler, Robert, Kopinke, Frank-Dieter

“…Process water reuse was exercised in the hydrothermal carbonization (HTC) of paper at 200 °C for 16 h, four times. Results showed that hydrochar mass yields…”
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Potential of the hydrothermal carbonization process for the degradation of organic pollutants by Weiner, Barbara, Baskyr, Igor, Poerschmann, Jürgen, Kopinke, Frank-Dieter

“…•The degradation potential of the HTC process is investigated for 12 organic pollutants.•The degree of conversion and formation of metabolites was analyzed by…”
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Organic matter in sediments of an acidic mining lake as assessed by lipid analysis. Part I: Fatty acids by Poerschmann, Juergen, Koschorreck, Matthias, Górecki, Tadeusz

“…Fatty acid (FA) patterns of sediments collected from the bottom of an acidic mine pit lake (AML) at different depths (surface sediment: 0 to 1cm; deep…”
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Identification and quantification of 2,5-diketopiperazine platform biochemicals along with pyrazines and pyridinols in the dissolved organic matter phase after hydrothermal carbonization of brewer’s spent grain by Poerschmann, Juergen, Koehler, Robert, Weiner, Barbara

“…2,5-diketopiperazines have been known to be formed as a result of thermal treatment of foodstuffs (cacao, coffee, cooked meat) in the absence of water. Herein,…”
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Utilization of Organosolv Waste Waters as Liquid Phase for Hydrothermal Carbonization of Chaff by Weiner, Barbara, Wedwitschka, Harald, Poerschmann, Juergen, Kopinke, Frank-Dieter

“…Organosolv wastewater was used as the liquid source during the hydrothermal carbonization (HTC) of chaff at 200 °C for 4 h and compared to a control HTC of…”
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Formation of chlorinated biphenyls, diphenyl ethers and benzofurans as a result of Fenton-driven oxidation of 2-chlorophenol by Poerschmann, Juergen, Trommler, Ulf, Górecki, Tadeusz, Kopinke, Frank-Dieter

“…Homogeneous catalytic Fenton oxidation proved to be very efficient in the degradation of high concentrations (3.9 mM) of 2-chlorophenol (2-CP) in aqueous…”
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Molecular composition of leaves and stems of genetically modified Bt and near-isogenic non-Bt maize--characterization of lignin patterns by Poerschmann, J, Gathmann, A, Augustin, J, Langer, U, Gorecki, T

“…Transformation of crops, including maize (Zea mays L.), with the cry1Ab gene from Bacillus thuringiensis to combat lepidopteran pests results in pleiotropic…”
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Molecular Level Lignin Patterns of Genetically Modified Bt-Maize MON88017 and Three Conventional Varieties Using Tetramethylammonium Hydroxide (TMAH)-Induced Thermochemolysis by Poerschmann, Juergen, Rauschen, Stefan, Langer, Uwe, Augustin, Juergen, Górecki, Tadeusz

“…Bt-maize MON88017, its near-isogenic line DKC5143, and the two conventional varieties DK315 and Benicia were subjected to tetramethylammonium hydroxide…”
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Investigation of the Solvent Extracts of Humic Organic Matter (HOM) Isolated from the Revenna Lagoon to study Environmental Pollution and Microbial Communities by Poerschmann, Juergen, Fabbri, Daniele, Gorecki, Tadeusz

“…Solvent extracts of humic organic matter (HOM) isolated from highly polluted sediments from the Ravenna Lagoon were studied. The distribution of polycyclic…”
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