Browsing Conference Papers by Title

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Batch electrocoagulation system using aluminum and stainless steel 316 plates for hospital wastewater treatment

R Muttaqin; Ratnawati, Ratnawati; Slamet, Slamet (IOP Publishing, 2021)

Hospital wastewater is one of the most dangerous types of pollution that contaminates rivers due to the presence of pharmaceutical compounds and dyes. Antibiotic ciprofloxacin and methylene blue dyes, a hospital wastewater ...
Biodiesel production from palm frying oil using sulphated zirconia catalyst in a bubble column reactor

Purwaningsih, Is Sulistyati; Joelianingsih, Joelianingsih; Wahyudin, Wahyudin (Universitas Katolik Parahyangan, 2013-12)

Homogeneous catalysts are promising for the transesterification reaction of vegetable oil to produce biodiesel since this catalyst offer certain advantages such as high activity, easily reached reaction condition and less ...
Characterization and Activation of Cement Kiln Dust as Heterogeneous Catalyst for Transesterification Process

Joelianingsih, Joelianingsih; Wahyudin, Wahyudin; Tambunan, Armansyah Halomoan; Nabetani, Hiroshi; Purwanti, Nanik (Departemen of Chemical Engineering Faculty of Industrial Technology Institut Teknologi Bandung, 2014-10-31)

Cement kiln dust (CKD) is a fine, solid material, highly alkaline waste mainly reactive calcium oxide. The characteristic of local CKD is shghtly different to most other CKD in general, especially the absence of sodium ...
COCOZONE OIL SEBAGAI OBAT DAN KESEHATAN KULIT YANG HALAL

Enjarlis, Enjarlis; Handayani, Sri; Anwar, Yeni (PUSAT KAJIAN HALAL UNDIP, 2016-06-02)

Kebutuhan produk halal oleh umat muslim Indonesia cukup besar termasuk kebutuhan obat dan perawatan kulit. Cocozone oil (ozonated oil) adalah produk halal sebagai obat atau perawatan kulit, dihasilkan dari proses ozonasi ...
Combination of Ozonation and Photocatalysis for Pharmaceutical Wastewater Treatment

Ratnawati, Ratnawati; Enjarlis, Enjarlis; Slamet, Slamet (AIP Publishing, 2017)

The chemical oxygen demand (COD) and phenol removal from pharmaceutical wastewater were investigated using configuration of two circulation batch reactors in a series with ozonation and photocatalytic processes. The ...
Competitiveness model for ecotourism: a case study in BBG

Ranti, Gadih (2019)

The existing competitiveness model for tourist destination does not consider the product specifications of each tourist destination. In the era of globalization, it is clear that generic competitiveness models are ...
Effect of Anodization Time and Temperature on the Morphology of TiO2Nanotube Arrays for Photocatalytic Hydrogen Production from Glycerol Solution

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Slamet, Slamet (Proceeding the Regional Conference on Chemical Engineering, 2014-12-02)

Effect of anodization time and temperature on the morphology of TiO2 nanotube arrays (TNTAs) photocatalyst and its application for H2 production from glycerol-water solution has been investigated.The TNTAs were synthesized ...
Exergy Analysis on Pyrolysis Process of Oil Palm Empty Fruit Bunch

Etika, Tiara; Ginting, Agus Susanto; Setiawan, Radite PA; Joelianingsih, Joelianingsih; Tambunan, Armansyah Halomoan (IOP Publishing, 2019)
Hidrogenasi Parsial Biodiesel Jarak Pagar dan Teknik Pencampuran untuk Peningkatan Stabilitas Oksidasi

Joelianingsih, Joelianingsih; Purwaningsih, Is Sulistyati; Fajar, Rizqon; Sari, Ratna M; Mapaliey, Elsa S.F (Jurusan dan Himpunan Mahasiswa Teknik Kimia Institut Teknologi Nasional Bandung, 2012-09-27)

Penggunaan biodiesel memiliki keterbatasan dengan stabilitas oksidasi dan cold-flow properties. Biodiesel selain harus mememuhi spesifikasi yang terdapat pada SNI 04 — 7182 - 2006 juga mememuhi kriteria World Wide Fuel ...
The Influence of Age on Mental Workload in High Difficulty Assembling Plant: A Case Study at PT Surya Toto Indonesia

Ranti, Gadih (IEOM Society International, 2021-03-07)

This research is a case study at PT Surya Toto Indonesia, a company engaged in the production of sanitary goods. Lot of activities in this company are done manually. The ages of the workers in assembling section range ...
KINERJA REAKTOR KOLOM GELEMBUNG UNTUK PRODUKSI BIODIESEL DENGAN BERBAGAI JENIS SPARGER

Joelianingsih, Joelianingsih; Hakim, Rusnia Junita; Supriatin, Ita (Universitas Udayana, 2014-10-16)

Reaktor Kolom Gelembung, RKG (Bubble Column Reactor) merupakan suatu alat yang intensif digunakan sebagai kontaktor multifase dan reaktor dalam industri kimia, biokimia dan petrokimia. Beberapa keuntungan RKG diantaranya ...
A Kinetics And Thermodynamics Analysis Approach On Methanol Treated Vegetable Oil Transesterification Process Technologies

Joelianingsih, Joelianingsih; Wahyudin, Wahyudin; Tambunan, Armansyah Halomoan (Mechanical Engineering Department Indonesia Institute of Technology, 2015-07-03)

Biodiesel production technologies are rapidly evolved owing to the need in finding the most efficient process especially views based on reaction rate and conversion or yield. Current processes tend to develop on the use ...
Modification Method Of EN14105 For Determination Of Free Glycerol And Mono-Di-Triglycerides Contents In Biodiesel

Joelianingsih, Joelianingsih; Purwaningsih, Is Sulistyati; Indra, Imansyah (Departemen of Chemical Engineering Faculty of Industrial Technology Institut Teknologi Bandung Departemen of Chemical Engineering Faculty of Industrial Technology Institut Teknologi Bandung, 2013-10-10)

Determination of free glycerol and mono-, di-, triglycerides contents in biodiesel is the most critical parameter for the successful of transesterification reaction. Gas Chromatography (GC) is one apparatus to get the ...
Pengaruh Proses Ozonasi, Adsorpsi don Advance Oxidation Process (O3/GAC dqn O3/H2O2) Pada Pengolahan Limbah lndustri Farmasi

Enjarlis, Enjarlis; Ratnawati, Ratnawati; Slamet, Slamet (APTEKINDO, 2015)
PENGEMBANGAN ZIRKONIA SEBAGAI KATALIS BIODISEL

Joelianingsih, Joelianingsih; Wahyudin, Wahyudin; Febrianto, Erfin Yundra (Jaringan Kerjasama Kimia Indonesia Yayasan Media Kimia Utama, 2014-06-19)

Telah dilakukan penelitian pembuatan katalis sulfated zirkonia untuk katalis biodisel dengan proses presifitasi, dengan menggunakan ZrOCI, 8 H:O sebagai bahan bakunya. Untuk mendapatkan sulfated zirkonia, kedalam Zr(OH), ...
PERANCANGAN DAN UJI KINERJA PROTOTIPE REAKTOR KOLOM GELEMBUNG KAPASITAS SATU LITER UNTUK PRODUKSI BIODIESEL

Joelianingsih, Joelianingsih (Deputi Bidang Relevansi dan Produktivitas Iptek, Kementerian Riset dan Teknologi, 2013-11-07)

Prototipe peralatan yang terdiri dari vaporizer, superheater, reaktor kolom gelemb ung (RKG), condensor dan rangkaiannya dalam satu sistem terintegrasi dengan sistem pengendalian laju alir dan temperatur telah dirancang. ...
Photocatalytic Decomposition of Glycerol Solution on TiO2 Nanotube Arrays (TNTA) doped with C and N to Produce Hydrogen

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Slamet, Slamet (Trans Tech Publications, 2017)

Carbon and Nitrogen-doped TNTA were synthesized by in-situ anodic oxidation of Ti using glycerol containing NH4F followed by annealing with 20% H2/Argon at 500 oC. Variation water content in the electrolyte solution (25 ...
PROSIDING SEMINAR NASIONAL MIPA dalam rangka Dies Natalis ke-25 Fakultas MIPA Universitas Sriwijaya

Enjarlis, Enjarlis; Handayani, Sri (FMIPA Universitas Sriwijaya, 2014-10-02)

Virgin Coconut Oil (VCO) is a pure coconut oil contains more saturated fatty acids than unsaturated fatty acids. Ozonated Oil production can be done through the process of ozonation VCO on temperature and process time ...
Reactivity of palm fatty acids for the non-catalytic esterification in a bubble column reactor at atmospheric pressure

Joelianingsih, Joelianingsih; Tambunan, Armansyah Halomoan; Nabetani, Hiroshi (Elsevier, 2014)

A bubble column reactor has been developed to produce fatty acids methyl esters by blowing superheated methanol continuously into triglycerides or fatty acids without using any catalysts at atmospheric pressure. In this ...
Relationship Aspects Total Quality Management Towards the Satisfaction of Lecturers in the Independent Era of Learning - Independent Campuses in Indonesia

Ranti, Gadih (IEOM Society International, 2022-04-05)

The Indonesian government in 2020 implemented the Independent Learning-Independent Campus (MBKM) policy, namely the Independent Learning-Independent Campus Policy where students are allowed to study for 3 semesters outside ...

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