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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
Characteristics Biomass for Raw Materials Pyrolysis Reactor Ben Yudha Satria; Roy Firman Adventus Pasaribu; Hamid Asyraf Adani; Ari Susandy Sanjaya
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Fibers, shells, and empty bunch is a waste of processing from palm oil mill that is still rarely used. During this time, palm oil is widely used as a vegetable oil without trying to discover the potential of palm oil waste. The purpose of this research was to look for characteristics that are appropriate for biomass pyrolysis reactor. The initial activities is to collect samples of biomass (fiber, shells, and empty bunch), and then mashed biomass. Biomass was analyzed by proximate test and calorific value by standard ISO 2009. Proximate testing includes testing moisture content, ash content, volatile matter and fixed carbon. Result of the research showed empty bunch is better than fibers and shells to be a raw material of pyrolysis reactor with calorific value 4.250 cal/g, volatile matter is 69,19 %. And fixed carbon is 13,65 %.
Studi Adsorpsi Sianida dari Tailings Pengolahan Emas dengan Metode Resin-In-Pulp Ninik Lintang E.W.; Cut Shafira; Palguno Helyoso
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Cyanidation is an efficient and inexpensive gold extracting process from ore, allowing gold recovery from low-grade ore carried out economically. The disadvantage of cyanidation process is the generation of highly toxic cyanide-containing tailings. Such tailings need to be treated prior to disposal, in order to comply with environmental requirements. There are two methods to overcome cyanide-containing tailing, by recycling and recovery. Cyanide recovery will eliminate the cyanide destruction cost and will reduce fresh cyanide purchasing cost. Cyanide adsorption (as part of Hannah Process) has been studied using batch adsorption techniques, to examine the contact time, adsorbent dose, and maximum adsorption capacity of Lewatit U-SO4 resin for cyanide removal. Results revealed that adsorption rate initially increased rapidly, and the optimum removal efficiency was reached within two hours. Further increase in contact time did not show significant change in equilibrium concentration; that means, the adsorption has reached equilibrium. The adsorption isotherms could be fitted well by the Langmuir model. The  RLvalue in the investigation was less than one, indicating that the adsorption of cyanide onto the  resin is favorable. The resin optimum dose was 44 g/L and  the maximum capacity was20 mg CN/g resin, equivalent to 0.846eq/L resin. 
Penyisihan Minyak dalam Emulsi Air Bilga Menggunakan Proses Elektrokoagulasi Soeprijanto Soeprijanto; Lily Pudjiastuti; R.O. Saut Gurning
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Electrocoagulation is electrochemical water treatment and the simplest technology for wastewater treatment using an electrochemical cell in which the supply of DC power is applied to the electrodes made of aluminum, and the electrolyte is wastewater. The experiments were conducted using oily bilge water in an electrocoagulation batch reactor. The electrodes were aluminum with dimensions (20 cm × 8 cm × 0.2 cm) mounted at a distance of 4 cm vertically. Aluminum plate was then connected to a direct current power supply having a 220 V input and output of 10 V with electric current of 10-15 A. The total area of the effective working of the plate was 160 cm2 when was immersed at a depth of 10 cm to the solution. The deposition process was maintained constant around 30-60 minutes. The results showed that the process could reduce the turbidity from114.1 to14.3 NTU and the highest solids concentration obtained was 12.54 g/l with initial oil concentration of 50 g/l within 60 minutes. The largest oil removal of 98.75% was obtained using the initial concentration of oil 75 g/l and the lowest of 96.25% was obtained with the initial oil concentration of 150 g / l.
Perbandingan Proses Esterifikasi dan Esterifikasi -Trans-esterifikasi dalam Pembuatan Biodisel dari Minyak Jelantah Niken Pratiwi; Masriani Masriani; Indah Prihatiningtyas
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

In recent years, some researchers are exploring many new sources of energy, such as biofuels. Biodiesel attracted the attention of various researchers as an alternative fuel because it is non-toxic, biodegradable and renewable as well as contributing the minimum amount of net greenhouse gases, such as CO2, SO2 and NO emissions into the atmosphere. The use of waste cooking oil to produce biodiesel reduced the raw material cost. The acid-catalyzed process using waste cooking oil proved to be technically feasible with less complexity than the alkali-catalyzed process using waste cooking oil, thereby making it a competitive alternative to commercial biodiesel production by the alkali-catalyzed process. The main objective of this study was to compare the process of making biodiesel. Esterification process would be compared with esterification followed by a trans-esterification process. The results showed that biodiesel was produced by esterification followed by trans-esterification process and esterification process , they have met SNI for parameters such as density, acid number, pH, cloud point and flash point, but the parameters of the viscosity and water content did not meet standards. Biodiesel using esterification followed by trans-esterification) was better than esterification process due to the yield produced higher (62.667%) than the esterification process (48%)
Rancang Bangun PLTMH Menggunakan Turbin Cross-Flow berkapasitas 1 Kw untuk Daerah Terpencil dengan Sumber Air yang Terbatas Joko Pratilastiarso; Mohamad Hamka
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Electricity crisis that occurred encourages the implementation of renewable energy in a way to occupy the electricity supply needs. Implementation of the MHP(Micro Hydro Powerplant) is the best alternative to escape the electricity crisis. Given the potential of hydropower spread almost throughout Indonesia, the power is estimated at 75000 MW, 500 MW which is the potential for micro hydro power plant (MHP). Unfortunately, the potential of  micro hydro is only 500 MW, is used only 4% of its course is 20 MW. Another problem is how to build a micro-hydro power plants in areas with limited water supply source. At this research project a micro hydro power plant has designed using cross-flow turbines that can be installed acording to the conditions above, as the efforts of using renewable energy to occupy the electricity supply needs. The design of the turbine is later evaluated to obtain optimal value of the calculation. Cross-flow turbines are designed at 13 m and the discharge head is 0.03 m3 / s. According to the design the maximum speed is 412.63 rpm, the maximum speed is expected to be produced not far adrift from the design. Maximum power turbine which is expected to reach the amount of 1 kW with an efficiency of 80%.
Pemanfaatan LNG sebagai Bahan Bakar Kendaraan Umum di Yogyakarta: Tinjauan Aspek Keselamatan dalam Pengangkutan dan Penyimpanan Didik Supriyadi; Moh. Mahrurrozi; Indra Perdana
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Liquefied natural gas (LNG) has economic and technical benefits as an alternative fuel for public transportation and heavy-duty vehicle.  It is also safer, more reliable and more secure from domestic energy supply. However, LNG possesses different hazard compared to conventional automotive fuel.  This paper aims to discuss about risk analysis on LNG transportation and storage as part of an energy supply system for public transportation in Yogyakarta city.  This study was conducted for transportation routes between receiving terminal in Semarang port and storage facility in Yogyakarta.  Storage capacity was assumed to serve for 12-day-operation which is equivalent to three storages with a capacity of 53 m3 each. The results of risk analysis show that the causes of LNG release were failure of loading LNG to road tank and unloading to storage facility with frequency of 2,4 x10-3failures/year and 7,4 x 10-5 failures/year respectively. The study also found the most probable outcomes that give significant consequences were pool fire, fire ball, vapor cloud explosion and vapor cloud.  These results have led to the conclusion that LNG transportation and storage to support public transportation in Yogyakarta city is safe and reliable as long as a good standard operation procedure is consistently implemented
Pengaruh Ukuran Partikel Bentonit dan Arang Kayu pada Pembuatan Keramik Filter Widayati W; Adi Ilcham; Trenggono Nur Adiguna; Hanurizal Himawari Hashari
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Ceramic filter is one of the alternative can be used as filter media. Ceramic filter can be made from materials such as clay, river sand mixed with some charcoal and bentonite. Charcoal and bentonite were chosen for this research, because both of them are selective adsorben, have wide surface area, and high adsorption rate. Making the ceramic filter needs material with certain particle size of (-10+30)mesh,(-50+80)mesh,                       (-80+100)mesh, and (-100+200)mesh. The process of making sample of the filter were done using slip casting method, which consist of mixing all of the homogenic materials with water, and then mold it as needed. Then the filter is dried for 1 day, and then burned in the furnace with 650oC for 2,5 hour, and then let it cool down inside the furnace for ± 24 hour. The sample filter will be tested in various category such as porosity, flux, and pressure test. Finally, the ceramic filter will be tested with the turbidity of the river water in Giwangan. The optimal composition in this research is -100+200 mesh with 70%:30% of bentonite and charcoal, with the result of 10,05KN pressure value, 22,742% porosity, 0,2ml/cm2 flux, and the reduction of turbidity around 50,72%.
Aplikasi Kitosan Limbah Udang sebagai Pengawet Ikan Patin (Pangasius sp.) Zainal Arifin; Prayogi Nugroho
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

The shelf life of fresh fish was relatively short. Damage the gills of fish such as color turned pale, texture is very soft, foul odor can be caused by bacteria. Coating method was using chitosan (CS) in an aerobic in order to preserve the fresh Pangasius sp. has been done in this study. Finding the best time preservation and influence of the degree of deacetylation of CS are purposes of this study. CS 1 and CS 2 were synthesized with difference of number of deacetylation. A number of CS was dissolved in acetic acid 1% to obtain 2.5% a solution of CS. The samples were soaked for 30 minutes in a solution of CS and then put in a plastic bag and stored for 12, 13, 14, 15, 16, and 17 hours. It were analyzed the amount of bacteria using the TPC method and organoleptic value. The results showed that the ability of antibacterial of CS 2 better than CS 1. The best time of preservation obtained at the 14th hour that was able to suppress the growth of bacteria while 7.103 col/g.
Perancangan Konfigurasi Pengendalian Proses dengan RGA pada Sistem Pure-Capacitive-Two-Tank-in-Series dengan Pemanas di Tangki T-01 Yulius Deddy Hermawan; Siti Diyar Kholisoh; Indah Permatasari; Amy Farury Ludwinia
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

This research was aimed to design process control configuration in the Pure-Capacitive-Two-Tank-in-Series (PCTTS) quantitatively by using Relative Gain Array (RGA) method. Two square tanks were designed and arranged in series for investigation in laboratory. The electric heater was equipped in the tank T-01. Water was used as a fluid which is assumed that its density and heat capacity were constant. The feed water was flowed to tank T-01 and heated with an electric heater. Water of tank T-01 was then pumped to tank T-02. The pump volumetric rate can be adjusted by changing the pump voltage. This research was done through 2 procedures as follows: preliminary experiment and open loop RGA experiment. The preliminary experiment has given the steady state parameters as follows: the input and output volumetric rates of the 2 tanks were 104 cm3/second, liquid levels of tank T-01 and T-02 were 14 cm, liquid temperatures in tank T-01 and T-02 were 33.5oC, electric heat energy was 1520 watt,  and pump voltage was 66.5 volt. Based on degree of freedom analysis, there were 3 variables of PCTSS system need to be controlled (CV); they were liquid temperature in tank T-01 (T1), liquid level in tank T-01 (h1), and liquid level in tank T-02 (h2). In RGA experiment, the manipulated variable candidates (MV) were changed manually based on the step function and its output (CV) responses were also be recorded. RGA calculation has resulted 3 couples of CV-MV as follows: T1-qe, h1-vpu, and h2-f2. Furthermore, study on the tuning of control parameters and closed loop simulation need to be done to examine performance of the resulted control configuration of PCCTS.
Outcome of Soybean Dregs and Cassava Addition towards Synthetic Chicken Meat Texture and Nutrition Dewi Tristantini; Tiara Febriani; Monica Winata
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2016: Prosiding SNTKK 2016
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Meat is one of the main sources of protein that society enjoys consuming, particularly chicken. However, meat may be unhealthy and cause excessive cholesterol, diabetes, and weight gain, also pathogenic such as avian influenza. Meat alternative that is healthier is synthetic meat. Synthetic meat is created from organic ingredients with protein content that resembles meat. Protein in synthetic meat is obtained from ingredients such as gluten, soybean dregs, and cassava. Aside from protein, other nutrition such as fiber, carbohydrate, fats, and minerals are also incorporated in synthetic meat. In manufacturing synthetic meat, the concentration of soybean dregs and cassava are varied in order to observe the effect from both ingredients towards nutrition and texture. Synthetic meat will be analyzed proximately, calorimetrically, its texture by texture profile analysis (TPA) and scanning electron microscopy (SEM), shelf life, and amino acids. From this research, a formulation for synthetic chicken meat is obtained based on its nutrition and texture. The best composition for synthetic chicken meat consists of 60% gluten, 5% cassava, and 20% soybean dregs.

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