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551 Aktuelle Fachpublikationen zum Thema temperature

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Combination of Plasma with a Honeycomb-Structured Catalyst for Automobile Exhaust Treatment

13.09.2013 | Woo Seok Kang; Dae Hoon Lee; Jae-Ok Lee; Min Hur; Young-Hoon Song, Environmental Science & Technology, 2013

To activate a catalyst efficiently at low temperature by plasma for environmental control, we developed a hybrid reactor that combines plasma with a honeycomb-structured catalyst in a practical manner. The reactor developed generated stable cold plasma at atmospheric pressure because of the ...

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Application of poly(acrlymide‐co‐sodium methacrylate) hydrogels in copper and cadmium removal from aqueous solution

10.09.2013 | N. Milosavljević, A. Debeljković, M. Kalagasidis Krušić, N. Milašinović, Ö.B. Üzüm, E. Karadağ, Environmental Progress, 2013

The application of poly(acrylamide‐co‐sodium methacrylate) hydrogel for the removal of Cu2+ and Cd2+ ions from aqueous solutions has been investigated as a function of pH, adsorbent dose and temperature. FTIR spectra showed that –NH2 and –COOH groups are involved in both metal ions adsorption ...

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Potential of water hyacinth for phytoremediation in low temperature environment

10.09.2013 | Xue Wang, Lisa Shi, Christopher Q. Lan, Robert Delatolla, Zisheng Zhang, Environmental Progress, 2013

Water hyacinth, i.e., Eichhornia crassipes Solms can remove a large variety of different pollutants from water and are considered an excellent candidate for phytoremediation of contaminated waters. Nevertheless, exploitation of water hyacinth for phytoremediation has so far been limited to ...

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Economic analysis for the transport and storage of captured carbon dioxide in South Korea

10.09.2013 | Umer Zahid, Ung Lee, Jinjoo An, Youngsub Lim, Chonghun Han, Environmental Progress, 2013

The continuous rise of CO2 emissions is a major cause of global climate change. Carbon capture and storage (CCS) is widely seen as a practical technology for reducing CO2 emissions. CCS mainly consists of capturing CO2 from large emitting sources and its transportation to a sequestration site ...

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Quantum Chemical Study on Formation of PCDT/TA from 2-Chlorothiophenol Precursor

10.09.2013 | Tajwar Dar; Mohammednoor Altarawneh; Bogdan Z. Dlugogorski, Environmental Science & Technology, 2013

This contribution investigates the thermochemical and kinetic parameters pertinent to the homogeneous gas-phase formation of two groups of pollutants, polychlorinated dibenzothiophenes (PCDT) and polychlorinated thianthrenes (PCTA) from their 2-chlorothiophenol (2-CTP) precursor. We compare the ...

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Characterization of the Mechanisms Controlling the Permeability Changes of Fractured Cements Flowed Through by CO2-Rich Brine

06.09.2013 | H. Abdoulghafour; L. Luquot; P. Gouze, Environmental Science & Technology, 2013

Experiments were conducted to assess the potential impact of fractured well-cement degradation on leakage rate. Permeability was monitored while CO2-enriched reservoir-equilibrated brine was flowed at constant rate through a single fracture in a class G cement core under conditions mimicking ...

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Preparation of carbon sphere from lactose by hydrothermal reaction and its performance in gas separation

02.09.2013 | Yong Sun, Gang Yang, Chao Wen, Lian Zhang, Yun Shan Wang, Environmental Progress, 2013

Carbon spheres were produced from mild hydrothermal reaction of biomass lactose, followed by carbonization with low‐activation temperatures (400°C). The Brunauer‐Emmett‐Teller (BET)‐specific surface area of carbon at optimum condition was 403 m2/g. The resultant carbon shows good performance in ...

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Pyrolysis of mixtures of palm shell and polystyrene: An optional method to produce a high‐grade of pyrolysis oil

02.09.2013 | Faisal Abnisa, W.M.A. Wan Daud, J.N. Sahu, Environmental Progress, 2013

This research attempted to demonstrate a simple method to produce high‐grade pyrolysis oil by maximizing the use of biomass wastes. In this study, the results of pyrolysis of palm shell alone are compared with pyrolysis of palm shell/polystyrene mixtures (1:1 weight ratios). Pyrolysis was ...

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Pyrolysis of olive pomace and copyrolysis of olive pomace with refuse derived fuel

02.09.2013 | Sibel Başakçılardan Kabakcı, Hilal Aydemir, Environmental Progress, 2013

Pyrolysis of olive pomace and copyrolysis of olive pomace with RDF blends were investigated by TGA. To see the effect of heating rate on pyrolysis behavior and kinetic parameters of olive pomace, TG and DTG curves were obtained at three different heating rates (10, 20, and 30°C min−1) between ...

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Adsorption studies of methylene blue onto activated saw dust: kinetics, equilibrium, and thermodynamic studies

29.08.2013 | Sushmita Banerjee, Mahesh C. Chattopadhyaya, Varsha Srivastava, Yogesh Chandra Sharma, Environmental Progress, 2013

This study is devoted to the application of activated saw dust (ACSD) as adsorbent for the removal of “methylene blue (MB)” from the aqueous solutions. Raw saw dust was activated by a simple and low cost chemical method. After activation, adsorbent was characterized by scanning electron ...

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