Journal Issue

Volume 10, Number 3



Index terms: Ion-adsorption; Sulfobetaine; Transition temperature
Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2899
Pages : 443-452

Index terms: Biological pretreatment; Coffee pulp waste; Hydrolysis; Reducing sugar; Surfactant

The Effect of Mixed Biological Pretreatment and PEG 4000 on Reducing Sugar Production from Coffee Pulp Waste

Toto Iswanto, Nuniek Hendrianie, Maya Shovitri, Ali Altway, Tri Widjaja

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2900
Pages : 453-462

Index terms: Fatty acids; Frangipani; Immobilized lipase; Latex lipase; Lipolysis

Performances of Free and Immobilized Frangipani (Plumeria Rubra) Latex Lipase in Palm Oil Lipolysis

Astri Nur Istyami, Ronny Purwadi, Made Tri Ari Penia Kresnowati, Tirto Prakoso, Tatang Hernas Soerawidjaja

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2904
Pages : 463-471

Index terms: Air pollutant; Flux; Mass transfer coefficient; Membrane contactors; Nitrogen oxides

NOx Removal from Air through Super Hydrophobic Hollow Fiber Membrane Contactors

Sutrasno Kartohardjono, Nelson Saksono, Dijan Supramono, Popphy Prawati

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2907
Pages : 472-480

Index terms: Clostridium ljungdahlii; Ethanol; Hollow fiber membrane; Mass transfer; Syngas fermentation

Bioethanol Production via Syngas Fermentation of Clostridium Ljungdahlii in a Hollow Fiber Membrane Supported Bioreactor

Irika Devi Anggraini, Keryanti , Made Tri Ari Penia Kresnowati, Ronny Purwadi, Reiji Noda, Tomohide Watanabe, Tjandra Setiadi

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2913
Pages : 481-490

Index terms: Anode depth; Anodic plasma; Biodiesel; Plasma electrolysis

Effect of Anode Depth in Synthesis of Biodiesel using the Anodic Plasma Electrolysis Method

Nelson Saksono, Adream Bais Junior, Ratih Anditashafardiani, Yuswan Muharam

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2919
Pages : 491-501

Index terms: Interaction; Inverted decoupling; MIMO system; Mp-GM tuning; 2DoF IMC

Inverted Decoupling 2DoF Internal Model Control for Mimo Processes

Juwari Purwo Sutikno, Zahrotul Azizah, Renanto Handogo, Riza Aris Hikmadiyar, Anwaruddin Hisyam

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2922
Pages : 502-511

Index terms: Acid catalyst; Biocarbon; Palm empty fruit bunch; Sulfonated; Sulfonation

One-step Synthesis to Enhance the Acidity of a Biocarbon-based Sulfonated Solid Acid Catalyst

Yulia Nurul Ma’rifah, Iryanti Nata, Hesti Wijayanti, Agus Mirwan, Chairul Irawan, Meilana Dharma Putra, Kawakita Hidetaka

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2924
Pages : 512-520

Index terms: CFD; MRF; RNG k-?; Side-entry angle; Side-entry mixer

Numerical Study of the Hydrodynamic Characteristics in an Agitated Tank with Side-entry Mixer: The Effect of Stirrer Entry Angle

Ni'am Nisbatul Fathonah, Tantular Nurtono, Kusdianto , Suci Madhania, Wahyudiono , Sugeng Winardi

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2925
Pages : 521-530

Index terms: Blend; Glycerol; Maleic anhydride; Plasticizer; Poly(L-lactic acid)

Preparation and Characterization of Poly(L-lactic acid) Films Plasticized with Glycerol and Maleic Anhydride

Hikmatun Ni'mah, Rochmadi Rochmadi, Eamor M. Woo, Dian Amalia Widiasih, Siska Mayangsari

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2936
Pages : 531-540

Index terms: Alumina silica; Bio-oil pyrolysis; Fixed-bed; Spirulina platensis residue

Effect of Grain Size, Temperature and Catalyst Amount on Pyrolysis Products of Spirulina Platensis Residue (SPR)

Siti Jamilatun, Budhijanto budhijanto, Rochmadi , Avido Yuliestyan, Arief Budiman

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2918
Pages : 541-550

Index terms: Batchwise solvent extraction; Biodiesel; Free fatty acid; Microwave-assisted extraction; Triglycerides
Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2920
Pages : 551-560

Index terms: Computational fluid dynamics; Multiphase flow; Propeller; Stirred vessel; Turbulent flow

Computational Study of the Time-dependent Flow Field of a Water-Molasses Mixture Inside a Stirred Vessel

Suci Madhania, Tantular Nurtono, Sugeng Winardi, Yuswan Muharam, Widodo Wahyu Purwanto

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2926
Pages : 561-570

Index terms: Ag content; Gas-phase; Methylene blue degradation; Nanocomposite

Photocatalytic Activity of ZnO-Ag Nanocomposites Prepared by a One-step Process using Flame Pyrolysis

K. Kusdianto, W. Widiyastuti, Manabu Shimada, Tantular Nurtono, Siti Machmudah, Sugeng Winardi

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2902
Pages : 571-581

Index terms: Cerium oxide; Delignification; Hydrothermal; Solvothermal; Zirconium oxide

Hydrothermal and Solvothermal Synthesis of Cerium-Zirconium Oxides for Catalyst Applications

Siti Machmudah, Muhamad Risky Ceaser, Muhammad Fareid Alwajdy, Widiyastuti , Sugeng Winardi, Wahyudiono , Hideki Kanda, Motonobu Goto

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2930
Pages : 582-592

Index terms: Filtration; ICPS; Natural organic matter; Pathogenic bacteria; Water treatment
Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2932
Pages : 593-602

Index terms: Colloidal silica; Particle morphology; Sodium silicate; Spray drying; Volume fraction

Volume Fraction Dependent Morphological Transition of Silica Particles Derived from Sodium Silicate

Lailatul Qomariyah, W. Widiyastuti, Sugeng Winardi, K. Kusdianto, Takashi Ogi

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2917
Pages : 603-612

Index terms: Cellulase; Chitosan magnetic particles; Coconut husk; Immobilization; Xylanase

Cellulase and Xylanase Immobilized on Chitosan Magnetic Particles for Application in Coconut Husk Hydrolysis

Afan Hamzah, Sidratu Ainiyah, Dwi Ramadhani, Gek Ela Kumala Parwita, Yeni Rahmawati , Soeprijanto , Hiroyasu Ogino, Arief Widjaja

Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2905
Pages : 613-623

Index terms: Cassava leaves; Cyanide content; Response surface methodology; Solid state fermentation
Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2923
Pages : 624-633

Index terms: Liquid water; Performance; Proton exchange membrane; Relative humidity
Publication Date (Online):
May 24, 2019
DOI: https://doi.org/10.14716/ijtech.v10i3.2929
Pages : 634-643