Seminar Nasional Teknik Kimia Kejuangan
Prosiding Seminar Nasional Teknik Kimia Kejuangan adalah media online dari makalah yang telah diseminarkan pada acara Seminar Nasional Teknik Kimia “Kejuangan†(SNTKK). SNTKK merupakan agenda tahunan yang diselenggarakan oleh Program Studi Teknik Kimia FTI UPN â€Veteran†Yogyakarta.
Seminar ini merupakan sarana komunikasi bagi para peneliti dari perguruan tinggi, institusi pendidikan, serta lembaga penelitian maupun industri, dalam mengembangkan teknologi kimia untuk pengolahan sumber daya alam Indonesia.
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<![CDATA[Peningkatan Kuantitas dan Kualitas Produk UKM Wingko Babat di Kota Semarang dengan “Modified Oven” ]]>
<![CDATA[Luqman Buchori]]>;
<![CDATA[Didi Dwi Anggoro]]>;
<![CDATA[Dyah Hesti Wardhani]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Wingko babat merupakan makanan oleh-oleh khas Kota Semarang yang banyak diminati oleh para wisatawan. Proses pembuatan wingko babat meliputi beberapa tahap yaitu tahap pencampuran bahan baku, pencetakan, pemasakan, pendinginan dan pengemasan. Namunpada proses pemasakan, bahan yang dimasak tidak bisa merata. Hal ini disebabkan distribusi api atau panas tidak merata sehingga produk yang dihasilkan terkadang ada yang gosong. Kuantitas produk atau jumlah bahan yang dimasak tidak bisa maksimal karena proses pemasakan lama. Akibatnyasulit memenuhi permintaan pasar. Untuk mengatasi permasalahan ini perlu dilakukan perbaikan sistem pemasakan bahan wingko babatdengan cara mendesain ulang peralatan masaknya yaitu dengan rancang bangun alat masak bahan wingko babat.Alat ini dinamakan modified oven. Alat ini terdiri dari lima bagian utama yaitu (1) saluran pipa, (2) modified oven, (3)lubangtempat keluarnya api, (4) lubang sirkulasi udara, dan (5) penyangga. Hasil aplikasi alat ini menunjukkan peningkatan kuantitas dan kualitas produk. Kapasitas produksi meningkat 75% per harinya.Penggunaan bahan bakar untuk sekali masak menurun 50%. Omset produksi naik menjadi hampir 75% dan keuntungan UKM meningkat 2 kali lipat. Hasil pemasakan dapat seragam sehingga produk wingko yang dihasilkan tidak sampai gosong. Tekstur produk lembut dan proses pemasakan menjadi lebih cepat. Kualitas produk wingko menjadi lebih terjaga dan dapat memenuhi permintaan pasar khususnya pada musim wisatawan.]]>
<![CDATA[Tim Reviewer ]]>
<![CDATA[Editor Prosiding SNTKK]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Numerical Study of Shell-And-Tube Heat Exchanger Performance with Various Baffle Spacing ]]>
<![CDATA[Sugit Triyono]]>;
<![CDATA[Teguh Hady Ariwibowo]]>;
<![CDATA[Prima Dewi Permatasari]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Heat exchanger is the instrument used to exchange the heat from one system to another that can be used as a heater or cooler. One of those types is shell-and-tube heat exchanger which is mostly used in many factories. Shell-and-tube heat exchanger consist of shell, which there are many tube inside it with baffles arranged along the shell-side. This study examines the effect of baffle spacing towards shell-and-tube heat exchanger performance which geometry have been specified first. This study used a simulation method developed by Heat Transfer Research Inc. (HTRI) to determine heat exchanger performances. Baffle spacing is set to various values: 30 mm, 60 mm, and 90 mm which one of each conditions also vary the mass flow rate to various number: 0.8333 kg/s, 0.1667 kg/s, and 0.25 kg/s. The simulation will generate outlet temperature of each fluid, overall heat transfer coefficient, and pressure drop. Baffle spacing 30 mm generates pressure drop 0.011 kPa while the increase of mass flow rate from 0.1660 kg/s to 0.250 kg/s also increase the value of pressure drop 0.030 kPa to 0.045 kPa. From those three variation of baffle spacing, baffle spacing 60 mm generates a stable value: 0.003 kPa, 0.007 kPa, and 0.015 kPa that is the optimum condition to gain the good performance of shell-and-tube heat exchanger.]]>
<![CDATA[Dealuminasi dan Karakterisasi Zeolite Y sebagai Katalis untuk Konversi Gliserol menjadi Glycerol Monolaurate ]]>
<![CDATA[Didi Dwi Anggoro]]>;
<![CDATA[Wahyu Bahari Setianto]]>;
<![CDATA[Fadhil Rifqi P]]>;
<![CDATA[Antonio Giovanno]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Glycerol is a side product of a biodiesel production using transesterification process and an alcoholic compound that consists of three hydroxyl group. One of the glycerol derivative compound is Glycerol Monolaurate which used in food additives, surfactant, medicine, cosmetics and others. In the making of Glycerol Monolaurate, catalysts is used to accelerate the reaction and increasing the yield of Glycerol Monolaurate. One of the catalysts that had been used is Zeolite Y. Dealumination is used to increase the acidity of the zeolites. Characterizationis used to determine the characteristics of the Zeolit Y that had been dealuminise. This study consists of several stages, there are dealumination of Zeolite Y using H2SO4. Then, drying at 110 º C for 1 hour. Then, calcinating at 500-600 ºC for 3 hours. Catalyst characteristics are analyzing by the Surface Area Analyzer to determine the surface area of the catalyst, and analysis with X - Ray Diffraction (XRD) to identify the bulk phase and determine the nature of the catalyst crystals or crystalitation of a catalyst, and Temperature-Programmed Desorption (TPD) to analyze the acidity of Zeolit Y that had been dealuminise. So we can get the optimum condition to produce Zeolit Y catalysts which also can Glycerol Monolaurate with the biggest yield possible.]]>
<![CDATA[Fase Deaktivasi Fermentasi Bioethanol dari Sorgum dengan Beads Biokatalis Ko-Immobilisasi Yeast dan Enzim Glukoamilase Menggunakan Anaerobic Baffled Reactor (ABR) ]]>
<![CDATA[Pangesti Willistania]]>;
<![CDATA[Pristiwati Iustitie Poetranto]]>;
<![CDATA[Mujtahid Kaavessina]]>;
<![CDATA[Margono Margono]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Bioethanol is one of many promising fuels and alternative energies because bioethanol is made from natural fermentation which can be renewed. White sorgum seed (Shorgum bicolor (L) Moench) is abundantly available in tropical area. With starch content among 70 - 80 wt%, it has the potential as a raw material of bioethanol production. This research is conducted continuously in 4 chambers of Anaerobic Baffled Reactor (ABR) with biocatalyst beads of co-immobilized glucoamylase and yeast (Saccharomycescereviceae) in Na-Alginat. Deactivation time of fermentation can be observed when the decreasing of ethanol content was detected. This time shows the dead phase which is needed in the optimization of bioethanol production by determination of some factors causes this phase. The result showed that the biocatalyst beads began to undergo deactivation in every ABR chambers after 358 hours of the fermentation. At this time, the ethanol content in each chamber is: A 1.828 g/L, B 2,319 g/L, C 2,810 g/L, dan D 3,019 g/L.]]>
<![CDATA[Pengujian Aktivitas Antioksidan Menggunakan Metode DPPH pada Daun Tanjung (Mimusops elengi L) ]]>
<![CDATA[Dewi Tristantini]]>;
<![CDATA[Alifah Ismawati]]>;
<![CDATA[Bhayangkara Tegar Pradana]]>;
<![CDATA[Jason Gabriel Jonathan]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Mimusops elengi L is one of the plantfrom India, Sri Lanka and Burma that have potential as antioxidant which can be used to treat various disease. The main content of the ethanol extract of the leaves Mimusops elengi L which have antioxidant activity are quercetin, hentriacontane, and β-carotenewhich is a source of natural antioxidants.Extraction using reflux method by varying the extraction time 15 minutes, 30 minutes, 45 minutes, 60 minutes and 75 minutes. The extract of leaves of M. elengi were prepared in methanol. The measurement of antioxidant activity carried out using DPPH method. The result showed that the extract ethanol at 45 minutes variaty of time extraction have the highest antioxidant activity, with IC50 value were 10,6.]]>
<![CDATA[Peluang Pengembangan Produk Perikanan dan Kelautan ]]>
<![CDATA[Nilanto Perbowo]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Makalah ini adalah hasil presentasi dari pembicara utama SNTKK 2016]]>
<![CDATA[Sistem Desalinasi Membran Reverse Osmosis (RO) untuk Penyediaan Air Bersih ]]>
<![CDATA[Linda A Yoshi]]>;
<![CDATA[I Nyoman Widiasa]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Development of tourism has an impact on the water demand. The amount of clean water is not comparable ofrequirement. Theother alternatifis needed to get clean water of water sources and technologies. One of technology that can be used is desalination and water source can be used sea water and brackish water. Desalination technology is divided into two: thermal processes and membrane processes. Currently, reverse osmosis membrane separation is more favorable than thermal process. Desalination costs are more affected by plant capacity and energy consumption. The greater plant will be cheaper than smaller palnt. In addition to these two factors, desalination cost is affected by the place where the RO desalination plant is installed. The cost of desalination at each country will bedifferent even thoughthe costof desalinationin Indonesia has not been recorded properly.]]>
<![CDATA[Degradasi Onggok Limbah Tapioka menjadi Gula Pereduksi Menggunakan Proses Sonikasi ]]>
<![CDATA[Lusiani, CE]]>;
<![CDATA[Ningrum, E.O.]]>;
<![CDATA[Trisanti, P.N.]]>;
<![CDATA[Sumarno, Sumarno]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[One of the solid waste of tapioca industry, cassava pulp (onggok), is carbohydrate source that can be degraded into reducing sugars. This degradation can be done because cassava pulp having 65.5% starch, and 8.1% cellulose (dry weight basis). The degradation method that used in this study is sonication process to obtain H and OH radicals to attack glicosidic bond of starch and cellulose. The aim of this research is to study the effect of reaction time of sonication process to the product of sonication process and cassava pulp morphology change. The suspension of cassava pulp in water (1/20 w/v) was firstly heated up to 40ËšC continued by sonication process for 0 to 90 minutes. Sonication process could break polysaccharide chains as shown by increasing concentration of reducing sugars with reaction time. Furthermore, the morphology of native and sonicated cassava pulp showed that the starch granule can be liberated from fibrous matrix of cassava pulp after sonication.]]>
<![CDATA[Perbandingan Kinerja Flokulasi Bioflokulan dari Pati Talas (Colocasia Esculenta L. Schoott) Termodifikasi dengan Pati Singkong (Manihot Utilissima) Termodifikasi Menggunakan Metode Pencangkokan (Grafting) ]]>
<![CDATA[Resqi Dwi Oktaviani]]>;
<![CDATA[Novitasari Novitasari]]>;
<![CDATA[Mujtahid Kaavessina]]>
<![CDATA[ Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016 ]]>
Publisher : <![CDATA[Seminar Nasional Teknik Kimia Kejuangan ]]>
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<![CDATA[Flocculation is one of processes to obtain clean water. Starch-graft-polyacrylamide (St-g-PAM) is a copolymer flocculant. This flocculant is synthesized by the “grafting to” method. This study aims to determine the effects of initiator concentration ratio, the terminator concentration and the termination time towards the obtained flocculant performance. Polymerization was carried out in a glass reactor equipped with a stirrer and isothermal conditions. The resulting products were analyzed by FT-IR. The analysis shows the existence bonds of starch and acrylamide. The presence of these groups proves that St-g-PAM was formed. The effect of initiator concentration ratio showed that the performance bioflocculant from mocaf more effective than bioflocculant from modified taro strach, with the higher change value is 76,19 %. Meanwhile, the effect of the terminatorconcentration and the termination timeshowed that the performance bioflocculant from modified taro strach more effective than mocaf, the higher change valuesare 68,57% and 71,76%, respectively.]]>
