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1.150 Aktuelle Fachpublikationen zum Thema temperature

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Combustion and Agglomeration Characteristics of the Residue from Corn Stalk‐Based Cellulosic Ethanol

12.12.2014 | Qiangqiang Ren, Shiyuan Li, Dongyu Wang, Shaolin Bao, Qinggang Lu, Chemical Engineering & Technology, 2014

Abstract Lignocellulose is considered an efficient raw material to produce fuel ethanol. Clean utilization of the solid residue derived from lignocellulose‐based fuel ethanol is important for the biomass‐to‐ethanol production chain. Combustion characteristics of the residue originating from ...


CO2 Capture Using Monoethanolamine in a Bubble‐Column Scrubber

12.12.2014 | Pao‐Chi Chen, Yi Xin Luo, Pao Wein Cai, Chemical Engineering & Technology, 2014

Abstract A continuous bubble‐column scrubber, capturing CO2 gas by monoethanolamine (MEA) solution in a pH‐stat operation, is used to search for optimum process parameters by means of the Taguchi method. The process variables are the pH of the solution, gas flow rate, concentration of CO2 gas, ...


Time‐dependent exhaust steam temperature profile to mitigate fouling

11.12.2014 | Divya Srivastava, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT In sugar industries, a decrease in the exit liquor concentration is observed because of fouling in multiple‐effect evaporator (MEE) systems, which finally decreases the yield of the MEE system. In the present work, a time‐dependent exhaust steam temperature profile has been developed ...


Novel temperature‐sensitive and pH‐sensitive polyurethane membranes: preparation and characterization

10.12.2014 | Hu Zhou, Bin Yu, Ruiping Xun, Ning Li, Kejian Wu, Hanzhou Sun, Zhihua Zhou, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT The polyurethane (PU) membranes with temperature and pH double sensitivities for water permeation were designed and prepared from a two‐step solution polymerization from the crystalline polycaprolactone diols (PCL), 4,4′‐diphenylmethane diisocyanate (MDI) and pH‐sensitive ...


Effects of unsteady expansion/contraction of Wang's cylinder problem with suction near a stagnation point

10.12.2014 | Tariq Javed, Irfan Mustafa, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT The unsteady viscous incompressible stagnation point flow over an expanding/contracting cylinder with heat and mass transfer is studied in this article. The governing partial differential equations are transformed into a couple nonlinear ordinary differential equations by using ...


Processing issues of color mismatch: Rheological characterization of polycarbonate blends

09.12.2014 | J. Alsadi, U. Saeed, S. Ahmad, G. Rizvi, D. Ross, Polymer Engineering and Science, 2014

In this study, resins of two Lexan polycarbonates with and without the addition of pigments and additives were blended in a Thermo Haake Mini Lab II twin‐screw micro compounder. The blends were rheologically characterized using dynamic strain sweep mode, dynamic frequency sweep mode, and steady ...


Preparation of exfoliated montmorillonite nanocomposites with catechol/zwitterionic quaternized polymer for an antifouling coating

09.12.2014 | Chan Jin Jeong, Eun Bi Kang, Soo Jung Park, Kyung Ho choi, Gyojic Shin, Insik In, Sung Young Park, Polymer Engineering and Science, 2014

Here, we report the fabrication of montmorillonite (MMT) to incorporate an antifouling capability using 2‐chloro‐3′, 4′‐dihydroxyacetophenone (CCDP), and 1,3‐propanesultone quaternized poly(dimethyl amino)ethyl methacrylate [(C/S)‐q‐PDMA]. The dispersibility of MMT was improved through an ion ...


Solubility of CO2 and C2H6 in heavy oil and its SARA fractions

08.12.2014 | Mohammad Marufuzzaman, Amr Henni, The Canadian Journal of Chemical Engineering, 2014

Solvent‐based recovery is one of the most promising techniques to enhance heavy oil/bitumen recovery as an alternative to thermal methods. Phase behaviour study of light gases in heavy oil is therefore very important when designing operation and surface facilities for heavy oil recovery. In ...


Effects of Viscous Dissipation and Rarefaction on Parallel Plates with Constant Heat Flux Boundary Conditions

05.12.2014 | Hari Mohan Kushwaha, Santosh K. Sahu, Chemical Engineering & Technology, 2014

Abstract The effect of viscous dissipation and rarefaction on heat transfer characteristics of hydrodynamically and thermally fully developed flow between parallel plates with constant heat flux conditions is analyzed. Three different types of heat flux boundary conditions, i.e., both plates ...


CFD Simulation of the Heat and Mass Transfer Process during Centrifugal Short‐Path Distillation

05.12.2014 | Jiang Yu, Lijun Chen, Xigang Yuan, Aiwu Zeng, Ji Ju, Chemical Engineering & Technology, 2014

Abstract Numerical simulation was carried out for a centrifugal short‐path distillation arrangement using the computational fluid dynamics technology. Both two phases and interfacial transport were taken into account with an attempt to explore the heat and mass transport in the film body and ...


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