Ditapis dengan
Performance and Bacterial Community Diversity of a Full-Scale Biofilter Treat…
Abstract Odors, such as the malodorous and toxic hydrogen sulfide (H2S), are released during leachate collection, storage, and treatment. A full-scale biofilter was applied to treat H2S emitted from a leachate equalization basin in a sanitary landfill site. The inlet concentration of H2S was 26.3–213.0 mg m−3. In steady state, total removal efficiency was over 90 % in summer and over 8…
- Edisi
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- ISBN/ISSN
- 1573-2932
- Deskripsi Fisik
- Water Air Soil Pollut (2012) 223:5599–5611
- Judul Seri
- Water Air Soil Pollution (2012) 223:5599–5611
- No. Panggil
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Nano-TiO2-coated polymer electrolyte membranes for direct methanol fuel cells
Abstract Composite polymer electrolyte membranes with nano-TiO2 films are fabricated by deposition of titania nanoparticles from a sol solution. Measurements of ion conductivity, methanol permeability and single-cell performance of the modified Nafion membranes are conducted. The TiO2 films adhere well and are crack-free. The protonic conductivity of the composite membranes decreases with incr…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Journal of Power Sources 157 (2006) 207–211
- Judul Seri
- Journal of Power Sources
- No. Panggil
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High activity of novel Pd/TiO2 nanotube catalysts for methanol electro-oxidation
Abstract Electro-oxidation of methanol in sulfuric acid solution was studied using palladium well-dispersed on titanium nanotubes, in relation to methanol oxidation processes in the direct oxidation methanol fuel cell. Pd dispersed on titania nanotubes, which leads to high surface area substrates, showed excellent catalytic activities compared to those of pure Pd and Pd–TiO2 nanoparticles. T…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Journal of Solid State Chemistry 178 (2005) 1996–2000
- Judul Seri
- Journal of Solid State Chemistry
- No. Panggil
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Controllable deposition of Ag nanoparticles on carbon nanotubes as a catalyst…
Abstract. A simple method is devised to deposit highly monodispersed Ag nanoparticles (about 5 nm) on multi-walled carbon nanotubes (CNTs), which started from an initial modification of Ag nanoparticles with benzyl mercaptan molecules. By simply tuning the relative ratio of Ag catalyst to CNTs in solution, Ag/CNT composite with different Ag content can be achieved. The as-prepared Ag/CNT c…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- C A R B ON 4 6 ( 2 0 0 8 ) 7 4 7 –7 5 2
- Judul Seri
- C A R B ON
- No. Panggil
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Preparation of “intelligent” Pt/Ni/Mg(Al)O catalysts starting from commer…
Abstract. Ni/[MgxAl]O (x=3.5, 1.5 and 0.5) doped with trace amounts of Pt were prepared from Mg–Al layered double hydroxides (LDHs) aiming the “green” preparations of “intelligent” reforming catalysts. Commercial Mg–Al LDHs were used as raw materials. The LDHs were calcined and impregnated with Ni(II) and Pt(IV) nitrates at room temperature. The preparative conditions were optim…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Applied Clay Science 45 (2009) 147–154
- Judul Seri
- Applied Clay Science
- No. Panggil
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Effective MgO surface doping of Cu/Zn/Al oxides as water–gas shift catalysts
Abstract. Trace amounts of MgO were doped on Cu/ZnO/Al2O3 catalysts with the Cu/Zn/Al molar ratio of 45/45/10 and tested for the water–gas shift (WGS) reaction. A mixture of Zn(Cu)–Al hydrotalcite (HT) and Cu/Zn aurichalcite was prepared by co-precipitation (cp) of the metal nitrates and calcined at 300 °C to form the catalyst precursor. When the precursor was dispersed in an aqueous s…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Applied Clay Science 44 (2009) 211–217
- Judul Seri
- Applied Clay Science
- No. Panggil
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Sustainable Ru-doped Ni catalyst derived from hydrotalcite in propane reform
Abstract. Trace amount of Ru-doped Ni/Mg(Al)O catalyst was prepared from hydrotalcite precursor and was tested in the reforming of propane under daily start-up and shut-down (DSS) operation. Mg(Ni,Al)O periclase derived from the hydrotalcite was dispersed in an aqueous solution of Ru nitrate, followed by calcination and reduction. Finely dispersed Ni–Ru was supported on Mg(Al)O periclase …
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Applied Clay Science 43 (2009) 49–56
- Judul Seri
- Applied Clay Science
- No. Panggil
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Citrate or hydrotalcite? As the precursor of Pt or Ru-doped Ni/Mg(Al)O cataly…
Abstract. Trace amounts of Pt- and Ru-doped Ni/Mg(Al)O catalysts were prepared by a citrate method and tested in the oxidative reforming of C3H8 under daily start-up and shut-down (DSS) operation. The activity and the sustainability of the catalysts were compared with those of the Pt- and Ru-doped Ni/Mg(Al)O catalysts derived from hydrotalcite (HT) precursor. The DSS operation of C3H8 refor…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Applied Catalysis A: General 356 (2009) 231–242
- Judul Seri
- Applied Catalysis A: General
- No. Panggil
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An unusual morphology and crystallization behavior in in situ formed polyphen…
Abstract Novel polyphenylene oxide/polyamide 6 (PPO/PA6) blends were synthesized via in situ polymerization of e-caprolactam with PPO dissolved in it. The introduction of 10 wt% PPO into PPO/PA6 led to phase inversion of the blends, which was nearly completed by incorporating 15 wt% PPO into the blends. A single crystallization temperature (Tc) of PA6 was detected for PPO/PA6 with 1–4 wt%…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- J Mater Sci (2010) 45:987–992
- Judul Seri
- Journal of Materials Science
- No. Panggil
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Lauric acid in crown daisy root exudate potently regulates root-knot nematode…
Tomato (Solanum lycopersicum) crops can be severely damaged due to parasitism by the root-knot nematode (RKN) Meloidogyne incognita, but are protected when intercropped with crown daisy (Chrysanthemum coronarium L.). Root exudate may be the determining factor for this protection. An experiment using pots linked by a tube and Petri dish experiments were undertaken to confirm that tomato–crown…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Journal of Experimental Botany, Vol. 65, No. 1, pp. 131–141, 2014
- Judul Seri
- Journal of Experimental Botany
- No. Panggil
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