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4.041 Aktuelle Fachpublikationen zum Thema temperature

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A Review of Hydrothermal Pretreatment of Lignocellulosic Biomass for Enhanced Biogas Production

15.04.2015 | He, Leilei; Huang, He; Zhang, Zhenya; Lei, Zhongfang, Organic Chemistry, 2015

Abstract: Lignocellulosic biomass is regarded as a promising renewable resource that can be potentially used to provide second-generation biofuels or to produce chemicals. Hydrothermal treatment (HTT) of lignocellulosic biomass has received considerable attention because of its feasibility ...

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Kinetics, mechanism and equilibrium studies on the substitution reactions of Pd(II) in reference to Pt(II) complexes with bio-molecules

12.04.2015 | Author(s): Živadin D. Bugarčić , Jovana Bogojeski , Rudi van Eldik, Coordination Chemistry Reviews, 2015

Publication date: 15 May 2015 Source:Coordination Chemistry Reviews, Volume 292 Author(s): Živadin D. Bugarčić , Jovana Bogojeski , Rudi van Eldik An overview of the research in the field of kinetics and mechanisms of substitution reactions of Pd(II) complexes with sulfur and nitrogen ...

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Measurements of the HO2 Uptake Coefficients onto Single Component Organic Aerosols

09.04.2015 | P. S. J. Lakey; I. J. George; L. K. Whalley; M. T. Baeza-Romero; D. E. Heard, Environmental Science & Technology, 2015

Measurements of HO2 uptake coefficients (γ) were made onto a variety of organic aerosols derived from glutaric acid, glyoxal, malonic acid, stearic acid, oleic acid, squalene, monoethanol amine sulfate, monomethyl amine sulfate, and two sources of humic acid, for an initial HO2 concentration of 1 ...

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Thermal Cracking of Virgin and Waste Plastics of PP and LDPE in a Semibatch Reactor under Atmospheric Pressure

09.04.2015 | Guoxun Yan; Xiaodong Jing; Hao Wen; Shuguang Xiang, Energy & Fuels, 2015

Study of the decomposition kinetics, pyrolysis products, and even reaction mechanisms plays an important role for the development of polymer recycling. In the present research, the kinetics of virgin and waste polypropylene (PP) and low-density polyethylene (LDPE) were studied by a modified ...

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Preparation of poly(propylene carbonate)/nano calcium carbonate composites and their supercritical carbon dioxide foaming behavior

08.04.2015 | Peng Yu, Hao‐Yang Mi, An Huang, Xian Liu, Bin‐Yi Chen, Shui‐Dong Zhang, Xiang‐Fang Peng, Journal of Applied Polymer Science, 2015

ABSTRACT Biodegradable polymer foams are attracting extensive attention in both academic and industrial fields. In this study, an emerging biodegradable polymer, poly(propylene carbonate) (PPC), was compounded with nano calcium carbonate (nano‐CaCO3) and foamed via supercritical carbon dioxide ...

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Structural characterization of eutectic aqueous NaCl solutions under variable temperature and pressure conditions

08.04.2015 | Adriaan-Alexander Ludl; Livia E Bove; A. Marco Saitta; Mathieu Salanne; Thomas Hansen; Craig L. Bull; richard gaal; ..., Physical Chemistry Chemical Physics, 2015

The structure of amorphous NaCl solutions produced by fast quenching is studied as a function of pressure, up to 4 GPa, by combined neutron diffraction experiments and classical molecular dynamics simulations. Similarly to LiCl solutions the system amorphizes at ambient pressure in a dense phase ...

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Comparison of Cubic-Plus-Association and Perturbed-Chain Statistical Associating Fluid Theory Methods for Modeling Asphaltene Phase Behavior and Pressure–Volume–Temperature Properties

08.04.2015 | Ali A. AlHammadi; Francisco M. Vargas; Walter G. Chapman, Energy & Fuels, 2015

The tendency of asphaltene, the heaviest and most polarizable component of crude oil, to deposit and block wellbores and pipelines can potentially lead to production loss and significant cost of remediation. Asphaltenes constitute a particular interest in oil production because of the lack of ...

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Solubility of CO2 in the Mixture of Methanol and ZIF-8 at Low Temperatures

08.04.2015 | Chengna Dai; Wenjuan Wei; Zhigang Lei, Journal of Chemical & Engineering Data, 2015

In this work, the mixture of methanol and zeolitic imidazolate framework (ZIF-8) was proposed for CO2 capture by adsorptive absorption at low temperatures. Methanol and ZIF-8 serve as absorption and adsorption functions, respectively. The solubility of CO2 in the different mixed absorbents (95 wt ...

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Entropy, Vol. 17, Pages 2025-2038: A Method to Derive the Definition of Generalized Entropy from Generalized Exergy for Any State in Many-Particle Systems

07.04.2015 | Palazzo, Pierfrancesco, Entropy, 2015

The literature reports the proofs that entropy is an inherent property of any system in any state and governs thermal energy, which depends on temperature and is transferred by heat interactions. A first novelty proposed in the present study is that mechanical energy, determined by pressure and ...

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Entropy, Vol. 17, Pages 2039-2061: Experimental and Thermoeconomic Analysis of Small-Scale Solar Organic Rankine Cycle (SORC) System

07.04.2015 | Baral, Suresh ; Kim, Dokyun ; Yun, Eunkoo ; Kim, Kyung Chun, Entropy, 2015

A small-scale solar organic Rankine cycle (ORC) is a promising renewable energy-driven power generation technology that can be used in the rural areas of developing countries. A prototype was developed and tested for its performance characteristics under a range of solar source temperatures. The ...

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