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The Synthesis of Glycerol Carbonate from Biodiesel By product Glycerol and Urea over Amberlyst 15

Jurnal Bahan Alam Terbarukan, 2017
The growing utilization of biodiesel as a renewable fuel has generated a large surplus of glycerol as a major byproduct. The prices of glycerol continue to drop in such an oversaturated market.
Reviana Inda Dwi Suyatmo, Hary Sulistyo, Wahyudi Budi Sediawan +2 more
doaj +1 more source

Advancing biodiesel production from microalgae Spirulina sp. by a simultaneous extraction–transesterification process using palm oil as a co-solvent of methanol

Open Chemistry, 2020
Microalgae have been considered as a potential candidate for biodiesel feedstock. Single-stage simultaneous extraction–transesterification process is proposed for simpler and more effective biodiesel conversion. In this study, the experiment of biodiesel
Pradana Yano Surya +6 more
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Studi Penambahan Etilena Glikol dalam Menghambat Pembentukan Metana Hidrat pada Proses Pemurnian Gas Alam

Jurnal Rekayasa Proses, 2020
The gas processing facilities are designed to significantly reduce the impurities such as water vapor, heavy hydrocarbon, carbon dioxide, carbonyl sulfide (COS), benzene-toluene-xylene (BTX), mercaptane, and the sulfur compounds.
Muslikhin Hidayat +3 more
doaj +1 more source

Graha grafika di Surabaya

, 2008
Graha Grafika ini merupakan proyek swasta yang bergerak di bidang komersil. Lokasinya terletak di Jl. Bukit Darmo Boulevard di Surabaya Barat yang merupakan daerah yang sedang berkembang dan dekat dengan perumahan.
Wibisono, Sindhu
core +1 more source

Batik Classification using Microstructure Co-occurrence Histogram

JOIV: International Journal on Informatics Visualization
Batik Nitik is a distinctive form of batik originating from the culturally rich region of Yogyakarta, Indonesia. What sets it apart from other batik styles is its remarkable motif similarity, a characteristic that often poses a considerable challenge ...
Agus Eko Minarno, Indah Soesanti, Hanung Adi Nugroho +2 more
doaj +1 more source

Dlaczego iPod ma białe słuchawki? O współczesnym designie teoretyczno-praktycznie. Projekt edukacyjno-kulturalny dla dzieci

Edukacja Elementarna w Teorii i Praktyce, 2016
Opis projektu skierowanego do dzieci w wieku 7–12 lat zainteresowanych sztuką współczesną, szczególnie jej wymiarem użytkowym (wzornictwo przemysłowe, grafika użytkowa). Na projekt składają się wykłady, warsztaty, projekcje filmowe, wystawy, wycieczki do
Sandra Kmieciak
doaj

The Design of a Magnetic Separator Machine for Lithium-Ion Battery Enumeration

Engineering Proceedings
The use of lithium-ion batteries for different applications, such as electric vehicles, has increased rapidly in recent decades. Conversely, battery waste is classified as a toxic, hazardous material.
Yulius Tomy Wijaya +6 more
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Mistik Grafika

AKSA: Jurnal Desain Komunikasi Visual
This article wants to answer curiosity. The author's curiosity is about things that are common or commonplace in everyday life, but maybe (the author) doesn't pay enough attention to them. Why are bibles printed and bound in thick volume? That's the question of curiosity.
openaire +1 more source

Oriented object detection in satellite images using convolutional neural network based on ResNeXt

ETRI Journal
Most object detection methods use a horizontal bounding box that causes problems between adjacent objects with arbitrary directions, resulting in misaligned detection.
Asep Haryono, Grafika Jati, Wisnu Jatmiko +2 more
doaj +1 more source

Kinetics Modeling of Glycerol Carbonate Synthesis from Glycerol and Urea over Amberlyst-15 Catalyst

Indonesian Journal of Chemistry, 2019
Synthesize of glycerol carbonate from glycerol and urea is an attractive path as glycerol carbonate has a large potential as a green solvent. The aim of the present study was to develop a kinetic model of glycerol carbonate synthesis with amberlyst-15 ...
Hary Sulistyo +3 more
doaj +1 more source