Chemical Engineering & Technology

Cover image for Vol. 36 Issue 9

Special Issue: Carbonate Looping

September, 2013

Volume 36, Issue 9

Pages 1439–1607

Issue edited by: Bernd Epple

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. You have free access to this content
      Cover Chem. Eng. Technol. 9/2013

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201390044

  2. Editorial Board

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. Editorial Board Chem. Eng. Technol. 9/2013

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201390045

  3. Overview

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
  4. Contents

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. You have free access to this content
  5. Highlights

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
  6. Introduction

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. You have free access to this content
      Carbonate Looping Technology (page 1450)

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201390049

  7. Review

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. Ca(OH)2-Based Calcium Looping Process Development at The Ohio State University (pages 1451–1459)

      N. Phalak, W. Wang and L.-S. Fan

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201200707

      Thumbnail image of graphical abstract

      A novel three-step calcium looping process for post- and precombustion carbon dioxide capture incorporates a sorbent reactivation step, namely, steam hydration, which maintains the multicyclic sorbent reactivity, reduces the solids circulation in the process, and improves the overall efficiency.

  8. Research Articles

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. The Effect of Bituminous and Lignite Ash on the Performance of Ilmenite as Oxygen Carrier in Chemical-Looping Combustion (pages 1460–1468)

      M. M. Azis, H. Leion, E. Jerndal, B.-M. Steenari, T. Mattisson and A. Lyngfelt

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201200608

      Thumbnail image of graphical abstract

      The influence of ash in chemical-looping combustion has been studied in a lab-scale fluidized bed reactor. The gas conversion was clearly affected by the addition of ash, and very similar results were seen both for methane conversion and for CO conversion in solid fuel tests. Additionally, no negative effect of ash addition on the fluidizability of the bed material could be seen.

    2. CO2 Capture and Desulfurization in Chemical Looping Combustion of Coal with a CaSO4 Oxygen Carrier (pages 1469–1478)

      S. Zhang, R. Xiao, Y. Yang and L. Chen

      Version of Record online: 23 MAY 2013 | DOI: 10.1002/ceat.201200653

      Thumbnail image of graphical abstract

      The feasibility of CO2 capture in situ desulfurization using traditional desulfurizers was examined in Ca-based chemical looping combustion (CLC) of coal. The performances of CaSO4 and desulfurizers were assessed under pressurized conditions in CLC of coal and the potential of anhydrite as a promising low-cost oxygen carrier was evaluated.

    3. Thermodynamic Evaluation and Cold Flow Model Testing of an Indirectly Heated Carbonate Looping Process (pages 1479–1487)

      M. Junk, M. Reitz, J. Ströhle and B. Epple

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201300019

      Thumbnail image of graphical abstract

      Carbon capture via indirectly heated carbonate looping can decrease the efficiency penalty of the post-combustion capture technology. Thermodynamic mass and energy balances of the process are presented. A concept is proposed based on a fluidized-bed heat exchanger system transferring heat from a combustor to the calciner by means of sodium-filled heat pipes. Cold flow model investiga-tions proved the concept of a 300-kWth pilot plant.

    4. Chemical Looping Combustion of Petroleum Coke with CuFe2O4 as Oxygen Carrier (pages 1488–1495)

      B. Wang, H. Zhao, Y. Zheng, Z. Liu and C. Zheng

      Version of Record online: 26 APR 2013 | DOI: 10.1002/ceat.201200638

      Thumbnail image of graphical abstract

      The reaction of petroleum coke with CuFe2O4 as oxygen carrier was systematically investigated. The evolution of minerals and sulfur species contained in the petroleum coke and their interactions with the reduced CuFe2O4 were explored in detail.

    5. Sorbent-Enhanced Steam Methane Reforming Reaction Studied over a Ca-Based CO2 Sorbent and Ni Catalyst (pages 1496–1502)

      M. Broda, A. M. Kierzkowska and C. R. Müller

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201200643

      Thumbnail image of graphical abstract

      The sorption-enhanced steam methane reforming (SE-SMR) reaction was studied on a Ni-hydrotalcite-derived catalyst synthesized via a precipitation technique. Ca-based materials synthesized by a sol-gel technique served as CO2 sorbents. Under SE-SMR conditions, hydrogen of 99 vol % purity was obtained, i.e., thermodynamic equilibrium was reached.

    6. Modeling of a Chemical Looping Combustion Process in Interconnected Fluidized Beds with a Cu-Based Oxygen Carrier (pages 1503–1510)

      S. Wang, H. L. Lu, Y. Tang and D. Li

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201300201

      Thumbnail image of graphical abstract

      The reactive multiphase model is incorporated into the computational fluid dynamics code to simulate the reactive fluid dynamics in a chemical looping combustion (CLC) reactor with a two-fluid model. This model can recognize the complex gas-solid flow behaviors and chemical reactions in the process of a CLC system.

    7. Impact of SO2 in the Presence of Steam on Carbonation and Sulfation of Calcium Sorbents (pages 1511–1517)

      H. Pawlak-Kruczek, M. Baranowski and M. Tkaczuk-Serafin

      Version of Record online: 6 AUG 2013 | DOI: 10.1002/ceat.201300070

      Thumbnail image of graphical abstract

      For implementing CaO carbonation and calcination reactions to separate CO2 from the flue gas it is imperative that the calcium sorbent maintains high reactivity over multiple cycles. Multicycle carbonation-calcination tests for three limestone types were carried out under simulated flue gas conditions to investigate the influence of the presence of steam and SO2 on CO2 sorption capacity.

    8. Continuous CO2 Capture in a 1-MWth Carbonate Looping Pilot Plant (pages 1518–1524)

      J. Kremer, A. Galloy, J. Ströhle and B. Epple

      Version of Record online: 6 AUG 2013 | DOI: 10.1002/ceat.201300084

      Thumbnail image of graphical abstract

      One possibility to minimize CO2 emissions from coal-fired power plants is the use of carbon capture and storage technology. Carbon capture tests using the carbonate looping technology have been performed in a 1-MWth carbonate looping pilot plant. The results from these tests are highly encouraging since very high CO2 capture efficiencies were achieved. The performance of the tests as well as the analysis of the results are presented.

    9. Design and Experimental Investigation of Calcium Looping Process for 3-kWth and 1.9-MWth Facilities (pages 1525–1532)

      M.-H. Chang, C.-M. Huang, W.-H. Liu, W.-C. Chen, J.-Y. Cheng, W. Chen, T.-W. Wen, S. Ouyang, C.-H. Shen and H.-W. Hsu

      Version of Record online: 2 AUG 2013 | DOI: 10.1002/ceat.201300081

      Thumbnail image of graphical abstract

      Calcium looping is a promising concept for post-combustion CO2 capture applications. A long-term test proved the stability and ease of operation of a 3-kWth facility. Detailed design parameters of the 1.9-MWth facility currently under construction in Taiwan are presented. The ambition of this pilot plant is to achieve a CO2 capture rate of 1 t h–1.

    10. Self-Fluidization in an Indirectly Heated Calciner (pages 1533–1538)

      D. Hoeftberger and J. Karl

      Version of Record online: 23 JUL 2013 | DOI: 10.1002/ceat.201300111

      Thumbnail image of graphical abstract

      The indirectly heated carbonate looping process is a promising way to reduce CO2 emissions of fossil-fired power plants. Gas release and its possibility to transform a fixed to a fluidized bed during the calcination process are discussed on the basis of experimental investigations in an electrically heated fluidized-bed calciner.

  9. Review

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. Research on Mass Transfer Columns: passé? (pages 1539–1549)

      M. Schultes

      Version of Record online: 8 AUG 2013 | DOI: 10.1002/ceat.201300192

      Thumbnail image of graphical abstract

      From an industrial point of view, continuous research activity is important to generate thermodynamic equilibrium data for gas/liquid or gas/liquid/liquid systems and to predict their physical, thermal, and kinetic properties. Standardization of experimental test facilities for distillation, absorption, desorption, and liquid-liquid extraction is essential.

  10. Research Articles

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. Fabrication and Evaluation of Non-porous Graphene by a Unique Spray Pyrolysis Method (pages 1550–1558)

      R. Jabari-Seresht, M. Jahanshahi, A. Rashidi and A. A. Ghoreyshi

      Version of Record online: 8 AUG 2013 | DOI: 10.1002/ceat.201300002

      Thumbnail image of graphical abstract

      Graphene oxide is reduced by spray pyrolysis and a three-layer graphene is synthesized. Spray pyrolysis reduction proved to be a simple, reproducible, and appropriate synthesis method with great potential to be applied for large-scale production at low cost. Temperature as the most important parameter in this process is investigated and controlled.

    2. Transesterification of Soybean Oil to Biodiesel by Brønsted-Type Ionic Liquid Acid Catalysts (pages 1559–1567)

      H. Yanfei, H. Xiaoxiang, C. Qing and Z. Lingxiao

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/ceat.201100660

      Thumbnail image of graphical abstract

      The transesterification of soybean oil with methanol to produce biodiesel was studied using water-stable Brønsted ionic liquids as catalysts. [(CH3CH2)3N(CH2)3SO3H]HSO4 showed the best catalytic activity and stability. Under optimized conditions, the yield of biodiesel reached 94.8 %.

    3. Effects of Wall Confinement and Power-Law Fluid Viscosity on Nusselt Number of Confined Spheres (pages 1568–1576)

      C. Rajasekhar Reddy and N. Kishore

      Version of Record online: 6 AUG 2013 | DOI: 10.1002/ceat.201300177

      Thumbnail image of graphical abstract

      Impacts of wall confinement on heat transfer phenomena of confined spherical particles in Newtonian and power-law fluids are investigated by means of a numerical approach for wide ranges of relevant dimensionless parameters. An empirical correlation for the average Nusselt numbers of confined spheres in such fluids is proposed based on numerical results.

    4. Melt Index Prediction by Fuzzy Functions and Weighted Least Squares Support Vector Machines (pages 1577–1584)

      M. Zhang and X. Liu

      Version of Record online: 8 AUG 2013 | DOI: 10.1002/ceat.201200728

      Thumbnail image of graphical abstract

      A novel high-precision on-line method for predicting the melt index of propylene polymerization based on fuzzy functions and weighted least squares support vector machines is proposed to overcome the high correlation characteristics and high nonlinear characteristics in the propylene polymerization process. The validity of these methods is demonstrated through practical data in a real factory.

    5. Optimization of a Multiple Impinging Jets Cavitation Reactor Using Zero-Valent Iron Powder as Catalyst (pages 1585–1592)

      J. Basiri Parsa and S. A. Ebrahimzadeh Zonouzian

      Version of Record online: 6 AUG 2013 | DOI: 10.1002/ceat.201300100

      Thumbnail image of graphical abstract

      Heterogeneous catalyzed hydrodynamic cavitation (HC) was combined with impinging streams and a pilot-scale multiple impinging jets cavitation reactor was constructed. Zero-valent iron powder served as a cost-efficient catalyst to improve significantly the performance of low-pressure HC. The mechanism of enhancing effects of the catalyst is discussed.

    6. Regeneration of a Commercial Catalyst for the Dehydrogenation of Isobutane to Isobutene (pages 1593–1598)

      S. K. Masoudian, S. Sadighi, A. Abbasi, F. Salehirad and A. Fazlollahi

      Version of Record online: 8 AUG 2013 | DOI: 10.1002/ceat.201300090

      Thumbnail image of graphical abstract

      The regeneration of deactivated Pt-Sn/γ-Al2O3 catalyst utilized for the dehydrogenation of isobutane to isobutene in a commercial-scale plant is presented. The activity of the commercial Pt/γ-Al2O3 catalyst is recovered after the regeneration process and the selectivity of the regenerated catalyst for the production of isobutene is similar to that of the fresh one.

    7. Hydrogen Production from Bio-Char via Steam Gasification in a Fluidized-Bed Reactor (pages 1599–1602)

      Z. Ma, S. Zhang, D. Xie, Y. Yan and Z. Ren

      Version of Record online: 6 AUG 2013 | DOI: 10.1002/ceat.201300057

      Thumbnail image of graphical abstract

      Bio-char served as feedstock to perform hydrogen production by means of steam gasification in a fluidized-bed reactor. The influence of gasification temperature and steam-to-char ratio was evaluated. The optimal contact of bio-char with steam in this reactor leads to enhanced carbon conversion, hydrogen production, and large-scale production.

  11. Communication

    1. Top of page
    2. Cover Picture
    3. Editorial Board
    4. Overview
    5. Contents
    6. Highlights
    7. Introduction
    8. Review
    9. Research Articles
    10. Review
    11. Research Articles
    12. Communication
    1. Hydrodynamics of High-Pressure Bubble Columns (pages 1603–1607)

      P. Rollbusch, M. Tuinier, M. Becker, M. Ludwig, M. Grünewald and R. Franke

      Version of Record online: 6 AUG 2013 | DOI: 10.1002/ceat.201300308

      Thumbnail image of graphical abstract

      Although bubble columns are applied in many chemical production facilities, only a limited number of experimental studies regarding bubble column hydrodynamics under industrial conditions do exist. An overview of available publications regarding gas holdups and dispersion in bubble columns operated under high pressure is presented and discussed in detail.

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