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INDONESIA
Seminar Nasional Teknik Kimia Kejuangan
Published by Universitas Pembangunan Nasional Veteran Yogyakarta
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science
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 ”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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Articles 89 Documents
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Search results for , issue "2016: Prosiding SNTKK 2016" : 89 Documents clear
Indeks Penulis Makalah Editor Prosiding SNTKK
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Kode Pemakalah SNTKK 2016
Pengolahan Sampah di Perguruan Tinggi dan Kontribusinya Terhadap Penurunan Emisi Gas Rumah Kaca Tuani Lidiawati S
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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The increasing of student number over the past four years urged Surabaya University to develop campus facility that could serve as a learning media for the academic community in the campus and the community around campus. The proposed facility was composting area. Composting area construction was necessary because the accretion of students would be followed by the growing of solid waste generation. The estimation of solid waste that  be carried to composting area had not been done before. This research was conducted with the aim of: 1. Estimating the quantity of solid waste generation that disposed to composting area 2. Calculating the greenhouse gas reduction that can be achieved by solid waste composting. Solid waste estimation was done before separation process in the composting area. Research was done by  survey and observation. Survey area was engineering  faculty. Sampling  for solid waste estimation was undertaken at TG building. The results  indicated that 70 % of the solid waste was anorganic waste and solid waste generation was 25-50 kgs daily. Solid waste composting process was set once in a week which composting period was seven days. The calculation of green house emission was referred to IPCC guidelines. The result of calculation was Surabaya University could contribute to reduce green house gas emission (CH4) about 40,5 kg CH4.
Activated Carbon from Jackfruit Peel Waste ss Decolouring Agent of Screen Printing Waste Water Sri Sunarsih; Sri Hastutiningrum; Tifani Diah Nisa
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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The aim of this research was to create decolouring agent of screen printing waste water by using activated carbon from jackfruit peel waste as an adsorbent. The carbonization process of jackfruit peel waste has been done in temperature 907o C in the absence of air and activated with sulfuric acid in different concentration (3, 5, 7, 9 and 11%). The adsorption capacity of activated carbon found out by interacting it with 25 mL of screen printing waste water. Furthermore, some test had been done to find out the influence of different particle size, weight of adsorbent and interaction time. The effect of different particle size was examined at 20, 40 and 60 mesh, the effect of the weight of adsorbent in 100, 125, 150, 175 and 200 mg and interaction time at 15, 30, 60, 90 and 120 minutes.  Optimum capacity of activated carbon reached at 11% concentration of sulfuric acid, particle size 40 mesh, with the weight 200 mg and time interaction of 90 minutes
Penurunan Kadar Krom (Cr) dalam Limbah Cair Industri Penyamakan Kulit dengan Metode Elektrokoagulasi secara Batch Luqman Sahlan R.; Sarahesti Radinta; Siti Diyar Kholisoh; Titik Mahargiani
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Some industries produce wastewatercontaining heavy metals, such as chromium, that can pollutethe environment and is harmful to the living things. An alternativewayto treat such wasteis electro-coagulationwhichis an integration of both electrochemical andcoagulation processes by passing a direct electrical current. This research was aimed to treat wastewater containing chromium from a leather tanning industry by applying electro-coagulation process and to obtain the optimum voltage and time, as well. This laboratory work was carried outon the wastewaterfromPTAdiSatriaAbadiBantul withhigh content ofchromium(about761.504ppm). It was conducted in a batch mode by processing 7.5liters of waste in a glass tuband by using an electrode of aluminum (Al) plate (20cmx30cmx0.12cm). The electrical voltagewas variedat 2,4, 6, and 8volts,while thetime of electro-coagulation was variedfor 1, 2, 3, 4, and5hours. Content of chromium in the wastewater was therefore analyzed byAAS(atomic adsorptionspectroscopy) method. This study concluded that theelectro-coagulationprocess was effectively able to reduce the contentof chromiumin the wastewater. In addition, the variations ofvoltage and processing time significantly influenced on the decreasing of content ofchromium. The optimum voltageandtimeofelectro-coagulationwas obtained at 6volts and 8 volts for 3hours and 2 hours, respectively. The best result of electro-coagulation process of the wastewater performed on the voltage of 8 volts for 5 hours yielded the chromium content of 1.76 ppm. Such condition has promisingly reduced the content of chromium until 99.77% ofthe initial waste.
Pengaruh Jenis Perekat pada Briket dari Kulit Buah Bintaro terhadap Waktu Bakar Erlinda Ningsih; Yustia Wulandari Mirzayanti; Henny Silvia Himawan; Helvi Marita Indriani
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Bintaro fruit is a plant that thrives in the tropics and has a fruit content of lignocellulose fibers bintaro potential as raw material briquettes. The purpose of this study was to examine the effect of various types of adhesives are tapioca, sago, lacquers and latex to time in the manufacture of fuel briquettes from the rind bintaro. Briquetting is carried out with a composition of 80% charcoal briquettes and type of adhesive respectively 20%. The results showed that the briquettes from the skin bintaro complies with SNI where the addition of starch adhesive obtained the best conditions, the water content of 1.91%, ash content of 7.35%, 15.34% levels of substance evaporates, 72 minute burn time and value kalornya 6000.46 calories / gram
The Effect of Catalyst Support on the Bimetallic Ni-Ag Hydrogenation Catalyst Activity Tedi Hudaya; Nita Ardelia Jairus; Tatang Hernas Soerawidjaja
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Hydrogenation is the addition reaction of hydrogen into double bounds molecules that are very important in chemical industry. Nickel, cheaper but less active than platinum and palladium, is widely used as a hydrogenation catalyst.  Non-fossil source of hydrogen can be derived from formic acid decomposition reaction aided by a silver catalyst. Although the activity of nickel and silver are normally less than noble metals, the combination with   appropriate support are expected to produce catalysts which can compete with the more expensive noble metals. The purpose of this research is to find out which support that gives the best hydrogenation activity in Ni-Ag bimetallic catalyst system. Support used in this research were TiO2, g-Al2O3, and activated C with mole ratio Ni:Ag varied as 2:1, 3:1, and 4:1. Hydrogenation experiments conducted using kemiri sunan (Reutealis trisperma) oil with formic acid as H source, using a supported catalyst for 5 hours. The experimental results showed that all synthesized catalysts had good and comparable activities, capable of lowering the iodine value by about 32%. Catalyst with TiO2 support gave the best activity, followed by activated C, and g-Al2O3.  Meanwhile, the metal loading that yielded the best result was Ni:Ag of 4:1 . Prolonged hydrogenation lasted for 10 hours did not cause further hydrogenation reaction.
Tekno-Ekonomi Sistem Membran Terintegrasi untuk Pengolahan Air Baku Campuran Air Payau dan Efluen STP I Nyoman Widiasa; Asteria A. Susanto
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Recently, portable water supply is one of crucial problems in the world, including Indonesia because water is not a cheap natural resource. Saline waters such as brackish water, seawater, and wastewater have been used as alternative raw water sources to fulfil domestic and idustrial water demands. Water price higher than IDR 15,000 clearly indicate that treatment of brackish water and/or wastewater reuse is effective from cost point of view. This work is aimed to perform in-situ pilot test by involving user and investor directly. Moreover, technical and cost are analysed based on a case study, i.e. average production of 220,000 m3/year; water price of IDR 14,500/m3 that increase IDR 2,000 every two years. This water treatment plant requires capital cost of 3.5 billions rupiahs. The capital comes from bank loan with interest of 13% per annual. It is found that with contract duration of 10 years, net present value (NPV) is positive so that this investment is feasible.
Penentuan Oil Losses dan Faktor Koreksi Pada Jalur Pipa Pengiriman Minyak Mentah di Sumatera Selatan Hariyadi H; Edgie Yuda Kaesti
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Crude oil delivery system in South Sumatra by using the same pipes for oil companies raises the problem that is the loss of oil (oil losses) between Gathering Station as a delivery point with Center Production Gathering system.  At this time there has been a change in the crude oil shipping operations both in production volume and the number of business partners involved in the delivery of crude oil. Changes in crude oil shipments were caused either by the discovery of petroleum source of new, decreasing oil production, changes in the volume of oil delivered and others resulted in a correction factor of production calculated at an earlier time is not representative anymore and needed re-evaluation.Conducting a study on the factors reevaluation oil losses in some parts of the oil field consisting of several groups (Segment) to determine the correction factor based on the production of oil properties, operating conditions and delivery process are other factors that influence it. The correction factor consists of oil shrinkage,water and sediment,  emulsion and evaporation.
Pengaruh Variasi Ukuran Daun Stevia dan Perbandingan Umpan pada Karakterisasi Produk Gula Cair Stevia Jessica Jessica; Andy Chandra; Ign. Suharto
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Sweetener is one of the food ingredients that consumed the most by humans. Sweeteners are classified into artificial and natural sweeteners. The excessive consumption of artificial sweeteners could lead into many diseases, such as obesity, cancer, etc. Moreover, the consumption of sweeteners increases significantly, but the sweeteners production in Indonesia still couldn’t balance the populations’ demand. Stevia contains glycosides which are up to 450 times sweeter than sucrose, but with low calories. The purpose of this research is to determine the effect of feed to solvent ratio (F:S) and Stevia leaves’ size variation to the extract’s concentration. This research was carried out using solid extraction method with an agitated tank. Stevia leaves were extracted with aquadest as the solvent at 60°C for 2 hours with feed to solvent ratio variations (1:100, 1:150, and 1:200) and leaves’ sizes variations (without mesh, -20+30 mesh, -40+60 mesh). The extracts then were analyzed using colorimeter and turbidimeter to determine the extracts’ concentrations, and also organoleptic testing. The results showed a tendency. From F:S=1:100, 1:150, and 1:200, the higher F:S, the lower the extract’s concentration obtained. On the other hand, the smaller the Stevia leaves, then the higher the extract’s concentration obtained.
Analysis of the Effect of By-pass Pumping System Application on the Efficiency of the Pump and Process Edwin Eka Yanuar; Setyo Nugroho
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Bypass system is a system of fluid flow with curves that cut off part of the main stream and usually use at  piping system industry when repair and replace the instrument system. Bypass system is used for instrument replacement because it can take place without shuting down or cuting off. An ideas to utilize bypass system is used in the study design of the bypass pumping system by cutting partially discharge flow toward suction, it has potential to increase the velocity of flow and rotation of pump. Evaluation bypass, valve setting, the arrangement of pumps and pump motor speed regulation is a step to improve the efficiency of the pump. From the many usage of bypass system, a study to determine its effect on the efficiency of the pump is the right step to obtain efficient fluid systems. In this research, design of the bypass system module uses two angle variation there are 450 with elbow 450 and 900. Also the variation in the flow bypass valve opening to get the value of BEP (Best Efficiency Point) and the best bypass system design. At the end of the project is expected to be obtained bypass system design with a smaller head loss and increase the pump efficiency more than 5%.

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