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All Journal Majalah Forum Teknik UGM Jurnal Rekayasa Proses Reaktor Jurnal Sains Materi Indonesia Jurnal Bahan Alam Terbarukan Seminar Nasional Teknik Kimia Kejuangan ATAVISME JURNAL ILMIAH KAJIAN SASTRA Jurnal Rekayasa Proses Jurnal Teknik Kimia Indonesia Jurnal Akademika Kimia Makara Journal of Technology
Hary Sulistyo
Departemen Teknik Kimia Fakultas Teknik, Universitas Gadjah Mada
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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THE SYNTHESIS OF GLYCEROL CARBONATE FROM BIODIESEL BYPRODUCT GLYCEROL AND UREA OVER AMBERLYST 36 Senania, Astri; Sulistyo, Hary; Prasetya, Agus
Jurnal Bahan Alam Terbarukan Vol 6, No 1 (2017): June 2017 [Nationally Accredited]
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v6i1.7691

Abstract

The increasing use of biodiesel as renewable fuels leads to the increasing of glycerol amount as a byproduct of biodiesel production. One of the glycerol derivative products that is environmentally friendly and renewable is glycerol carbonate. Glycerol carbonate is commonly used as a raw material for polymers, surfactants, emulsifiers, lubricants, paints, also used in the cosmetics and pharmaceutical industries. In this study, the research was carried out by using a batch reactor with a three-neck flask equipped with reverse cooling, thermometers, mercury stirrer, and heating mantle with the conditions of the reaction temperature around 373 – 413 K, mole ratio of reactants of urea: glycerol were 1:0,5, 1:1, 1:1,5, 1:2 and 1:4  and the concentration of catalyst were 1%, 2%, 3%, 4% and 5% respectively. Reaction was done for four hours. The results showed that the formation of glycerol carbonate from glycerol and urea using a catalyst Amberlyst 36 is affected by the catalyst concentration, reaction temperature and the ratio of reactants used. The highest glycerol conversion was obtained at 55.07% at a temperature of 393 K with mole ratio of urea and glycerol 1:0,5 and the percentage of catalyst 3% of the amount of glycerol.
SINTESIS BIOADITIF GASOLINE MELALUI KETALISASI GLISEROL MENGGUNAKAN KATALISATOR PADAT Nuryoto, Nuryoto; Sulistyo, Hary; Sediawan, Wahyudi Budi; Perdana, Indra
Jurnal Bahan Alam Terbarukan Vol 5, No 2 (2016): December 2016 [Nationally Accredited]
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v5i2.7431

Abstract

Utilization of glycerol side product from biodiesel as waste management application is required for reduced   negative effect which possible emerged. Glycerol  have three bond of hydroxyde, so its  opportunity  to utilize  to be solketal as bio-additive of gasoline. Indion 225 Na ion exchanger resin is strong acid cation category and low  prices, so  its potency to use alternatively of solid catalyst to get efficient and economic process. The purpose of this research was focussed to search  of the best condition by optimalization indion 225 Na performance as catalyst in glycerol ketalization reaction, by integrated of variables that have effected to reaction for maximize glycerol coversion. To get maximize of reactants molecular interaction and for  optimalization indion 255 Na performance, observation  conducted  in the  range variables which widely enough that were  reactant ratio of 5:1-6:1 mole of acetone mole/mole of glycerol, diameter size  catalyst of  20-40 mesh, catalyst concentration of 3-5% mass of acetone, and reaction temperature of 35-65oC. Result of the research showed that  indion 225 Na catalyst have good performance, by glycerol conversion to reach of 51.89%. Glycerol conversion mentioned was obtained at reactant ratio of 6:1 mole of acetone/mole of gycerol, diameter size catalyst of  40 mesh, catalyst concentration of 4%  mass of acetone, and  reaction temperature of  65oC.
THE SYNTHESIS OF GLYCEROL CARBONATE FROM BIODIESEL BYPRODUCT GLYCEROL AND UREA OVER AMBERLYST 36 Senania, Astri; Sulistyo, Hary; Prasetya, Agus
Jurnal Bahan Alam Terbarukan Vol 6, No 1 (2017): June 2017 [Nationally Accredited]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v6i1.7691

Abstract

The increasing use of biodiesel as renewable fuels leads to the increasing of glycerol amount as a byproduct of biodiesel production. One of the glycerol derivative products that is environmentally friendly and renewable is glycerol carbonate. Glycerol carbonate is commonly used as a raw material for polymers, surfactants, emulsifiers, lubricants, paints, also used in the cosmetics and pharmaceutical industries. In this study, the research was carried out by using a batch reactor with a three-neck flask equipped with reverse cooling, thermometers, mercury stirrer, and heating mantle with the conditions of the reaction temperature around 373 – 413 K, mole ratio of reactants of urea: glycerol were 1:0,5, 1:1, 1:1,5, 1:2 and 1:4  and the concentration of catalyst were 1%, 2%, 3%, 4% and 5% respectively. Reaction was done for four hours. The results showed that the formation of glycerol carbonate from glycerol and urea using a catalyst Amberlyst 36 is affected by the catalyst concentration, reaction temperature and the ratio of reactants used. The highest glycerol conversion was obtained at 55.07% at a temperature of 393 K with mole ratio of urea and glycerol 1:0,5 and the percentage of catalyst 3% of the amount of glycerol.
ANALISIS NUMERIK HOOKE JEEVES-RUNGE KUTTA UNTUK MENENTUKAN PERSAMAAN LAJU REAKSI POLIMERISASI PIROL Gunawan, Indra; Sulistyo, Hary; Rochmadi, Rochmadi
Jurnal Sains Materi Indonesia Vol 3, No 1: OKTOBER 2001
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (603.731 KB) | DOI: 10.17146/jusami.2001.3.1.5249

Abstract

ANALISIS NUMERIK HOOKEJEEVES-RUNGEKUTTA UNTUK MENENTUKAN PERSAMAAN LAJU REAKSI POLIMERISASI PIROL. Telah dilakukan analisis numerik dengan menggunakan metode Hooke Jeeves yang dikombinasikan dengan metoda Runge Kutta, untuk menentukan model yang paling tepat dari persamaan laju reaksi polimerisasi pirol secara kimia. Polimerisasi kimia pirol dijalankan di dalam larutan FeCl3/pirol pada nisbah pereaksi 1,62 mol/mol dan 2,18 mol/mol dengan suhu reaksi 28℃, 40℃, 50℃, dan 60℃. FeCl3 berfungsi sebagai oksidator untuk membentuk kation pirol yang akan siap berpolimerisasi. Dilakukan analisis numerik dari dua model persamaan laju reaksi yang diturunkan dari persamaan-persamaan reaksi pemicuan, perambatan, dan penghentian. Dari analisis numerik di terhadap konsentrasi kation pirol.
Politik Spasial dalam Lirik Lagu Bengawan Solo Karya Gesang dan Di Tepinya Sungai Serayu Karya Soetedja: Analisis Pascakolonial Sara Upstone Sulistyo, Hary
ATAVISME Vol 23, No 2 (2020): ATAVISME
Publisher : Balai Bahasa Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24257/atavisme.v23i2.633.147-160

Abstract

Tulisan ini membahas politik spasial Gesang dan Soetedja dalam lirik lagu Bengawan Solo dan Di Tepinya Sungai Serayu. Persoalan tersebut menarik dikemukakan karena menghadirkan konsepsi baru melalui redefinisi atas kedua objek. Tujuan penulisan ini adalah menunjukkan bentuk-bentuk place, space, dan postspace kedua lagu terhadap objek yang telah menghadirkan definisi baru atas pengetahuan. Teori yang digunakan adalah pascakolonial Sara Upstone mengenai place, space, dan postspace. Metode penelitian ini adalah mengamati aspek tekstual di dalam teks dan mengorelasikannya dengan persoalan kontekstual berdasarkan aspek-aspek teoretis. Hasil penelitian menunjukkan bahwa politik spasial melalui kedua lirik lagu menghadirkan kebaruan informasi mengenai objek yang berbeda dengan realitas kedua sungai sebagai bentuk place. Jejak-jejak space yang ditinggalkan oleh kedua pengarang menunjukkan bahwa penciptaan lagu lebih pada kepentingan estetis dan romantik. Postspace yang dihasilkan dengan kehadiran lagu itu memberikan legitimasi atas konsepsi administratif dalam penyebutan asal sumber mata air Bengawan Solo dan hilangnya sisi mistisme yang terdapat di Sungai Serayu.[Spatial Politic in The Song Lyrics of Bengawan Solo and Di Tepinya Sungai Serayu : Sara Upstones Postcolonial Analysis] This paper discusses Gesang and Soetedjas spatial politics in the song lyrics of Bengawan Solo and Di Tepinya Sungai Serayu. The issue is interesting to be raised because it presents a new conception through redefinition of the two objects. The purpose of this paper is to show forms of place, space, and postspace in both songs toward the object that have presented a new definition of knowledge. The theory used is Sara Upstones post-colonialism about place, space, and postspace. The method in this study is to observe textual aspects in the text and correlate them with contextual issues based on theoretical aspects. The results show that spatial politics through both song lyrics presents new information about objects that are different from the reality of the two rivers as a form of place. The traces of space left by the two authors through their songs show the creation of songs more in the interests of aesthetic and romantic aspects. The postspace produced by the presence of the two songs gives legitimacy to the administrative conception in the mention of the origin of the Bengawan Solo spring and the loss of the mysticism found in the Serayu River.Keywords: spatial politics; Bengawan Solo; Serayu River
Penyerapan gas H2S dengan larutan K2CO3 dari ekstrak abu kelopak batang pisang Hary Sulistyo; Novita Wiedhasari; Deddy Setiawan
Jurnal Teknik Kimia Indonesia Vol 4, No 2 (2005)
Publisher : ASOSIASI PENDIDIKAN TINGGI TEKNIK KIMIA INDONESIA (APTEKIM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jtki.2005.4.2.3

Abstract

Abstrak Gas H2S merupakan gas yang bersifat polutan dalam gas alam maupun campuran gas. Keberadaannya harus dihilangkan dari campuran tersebut. Ekstrak abu dari limbah pertanian mengandung kalium karbonat yang dapat menyerap gas H2S. Percobaan dilakukan dengan mengalirkan gas H2S dengan laju alir 2,3175 mL/s dan fraksi mol 0,4105 ke dalam larutan ekstrak abu dalam reaktor berpengaduk pada kisaran suhu 303K sampai 325 K, konsentrasi kalium karbonat 7,5.10-3 M sampai 13,5.10-3  M dun waktu reaksi sampai 30 menit, Hasil penelitian menunjukkan bahwa konversi kalium karbonat dapat mencapai 37,90%, pada penggunaan kalium karbonat 0,0075M, fraksi mol H2S 0, 4105, suhu reaksi 325K dan waktu reaksi 30 menit. Hasil perhitungan diperoleh nilai koefisien perpindahan massa keseluruhan, KLa=6,24 menit-1, sedang hubungan antara konstanta kecepatan reaksi dengan suhu sesuai dengan persamaan Arrhenius, kr = 175,3219e-15.6788RT. Analisis kinetika reaksi menunjukkan bahwa kedua langkah yaitu perpindahan massa dan reaksi kimia saling menentukan (regim campuran).Kata Kunci : Penyerapan, Perpindahan Massa, Reaksi KimiaAbstrakGas H2S merupakan gas yang bersifat polutan dalam gas alam maupun campuran gas. Keheradaannya harus dihilangkan dari campuran tersehut. Ekstrak abu dari limbah pertanian mengandung kalium karbonat yang dapat menyerap gas H2S. Percobaan dilakukan dengan mengalirkan gas H2S dengan laju alir 2,3175 mL/s dan fraksi mol 0,4105 ke dalam larutan ekstrak abu dalam reaktor berpengaduk pada kisaran suhu 303K sampai 325K, konsentrasi kalium karbonat 7,5 10-3M sampai 13,5 10-3M dan waktu reaksi sampai 30 menit. Hasil penelitian menunjukkan bahwa konversi kalium karbonat dapat mencapai 3 7, 90%, pada penggunaan kalium karbona!  0,0075 M, fraksi  mol  H2S 0,4105, suhu reaksi 325K  dan waktu reaksi 30 menit. Hasil perhitungan diperoleh nilai koeflsien perpindahan massa keseluruhan, K1a= 6,24 menit-1, sedang hubungan antara konstanta kecepatan reaksi dengan suhu sesuai dengan  persamaan Arrhenius, kr=175,3219e-15,6788RT. Analisis kinetika reaksi menunjukkan bahwa kedua langkah yaitu perpindahan massa  dan reaksi kimia sating menentukan (regim campuran).Kata Kunci: Penyerapan, Perpindahan Massa, Reaksi Kimia
THE INFLUENCE OF MASTICATION TO CURING CHARACTERISTIC OF NATURAL RUBBER AND PHYSICALPROPERTIES OF ITS VULCANIZATES Abu Hasan; Rochmadi Rochmadi; Hary Sulistyo; Suharto Honggokusumo
Jurnal Sains Materi Indonesia Vol 12, No 2: FEBRUARI 2011
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (50.906 KB) | DOI: 10.17146/jsmi.2011.12.2.4590

Abstract

THE INFLUENCE OF MASTICATION TO CURING CHARACTERISTIC OF NATURAL RUBBER AND PHYSICALPROPERTIES OF ITS VULCANIZATES. The research on the mastication that influences the curing characteristic of natural rubber and physical properties of its vulcanizates has been conducted. The research started from rubber mastication with variation of carbon black filler addition into rubber compound. Rubber compound was then measured to identify its curing characteristic using rheometer and tested its viscosity using Mooney viscosity tester. Physical properties of rubber vulcanizates such as abrasion resistance, tear strength, and elongation at break were also measured. The results indicated that curing characteristic tended to decrease, while only scorch time tended to increase from B1, B2, B3 and B4. Elongation at break tended to decrease, while tear resistance and abrasion resistance tended to increase from B1, B2, B3 and B4. Mooney viscosity of the compound also tended to decrease. It can be concluded that B1 is better than B2, B3 and B4. However, if rubber vulcanizates require high tear resistance and abrasion resistance, such as for shoes sole and tread of tire, then B4 is the most appropriate vulcanizate.
Asetalisasi Gliserol Produk Samping Industri Biodiesel Menjadi Solketal Menggunakan Katalis Amberlyst-15 Kidung Wulan Utami; Hary Sulistyo; Ahmad Tawfiequrrahman Yuliansyah
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2020: PROSIDING SNTKK 2020
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Kajian Proses Pengolahan Limbah Bambu Apus (Gigantochloa Apus) dengan Menggunakan Metode Hydrothermal Liquefaction Rizka Lestari; Ahmad T Yuliansyah; Agus Prasetya; Hary Sulistyo
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2018: PROSIDING SNTKK 2018
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Sintesis Bioaditif Melalui Asetalisasi Gliserol Menggunakan Katalis Basolite F300 Fatimah Tresna P; Hary Sulistyo; Indra Perdana
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2019: PROSIDING SNTKK 2019
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Co-Authors Abu Hasan Abu Hasan Abu Hasan Agus Prasetya Ahmad Tawfiequrrahman Yuliansyah Alfiana Adhitasari Anita Arsyad Arief Budiman Astri Senania, Astri Deddy Setiawan Dwi Ardiana Setyawardhani EKA SARI Fatimah Tresna P Fikrah Dian Indrawati Sawali Heri Rustamaji Indah Hartati INDAH PURNAMASARI Indra Gunawan Indra Perdana Indra Perdana Indra Perdana Kidung Wulan Utami Merry Ad'hadi Moh Fahrurrozi Moh. Azhar Afandy Mohammad Fahrurrozi Muhammad Mufti Azis Muslikhin Hidayat Novita Wiedhasari Nuryoto Rizka Lestari Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi S Syamsiah Saripah Sobah Sarto Siti Syamsiah Suharto Honggokusumo Suharto Honggokusumo Suharto Honggokusumo Suprihastuti, Sri Rahayu Sutijan Wahyudi B. Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan