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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 76 Documents
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Search results for , issue "2017: PROSIDING SNTKK" : 76 Documents clear
Penggunaan Mordan Akhir Terusi terhadap Hasil Celupan Kain Batikdengan Ekstrak Kayu Secang Dwi Suheryanto
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Batik cloth color durability is a prerequisite for improving the competitiveness of the product, as the number of consumer complaints on the subject. How many treatments that can be done to address and improve fastness, is to perform the process of perfecting the end of the fabric that has been dyed using the final mordant materials, namely “terusi” or cupric sulfate (CuSO4) .5H2O. The use of extracts of the wooden cup on a batik cloth, batik cloth produces the erosion resistance value is low, so it is rarely used in the singular in batik dyeing, but mixed with wood extract Cleaner or other materials, but the results did not show its true colors. The purpose of this activity is to improve the quality of batik cloth with increased power results dye color fastness. The materials used, namely cotton fabric primisima, silk fabric T56, wax batik, wood shavings cup, alum, and cupric sulfate, as for the procedure include, extract manufacture wooden cup (1:8), mordant early cotton cloth with alum, batik dyeing with extract solution wooden cup, then made the final refinement using variation cupric sulfate concentration, that is 15 g/l, 20 g/l, and 25 g/l, wax removing, and test color fastness. From the results of the test color fastness to washing, good value at terusi concentration of 25 g / l is 4-5, with a strong color intensity values (the most powerful), the wave had a value of 26 with a length of 0.6637.
Pembuatan Briket dari Campuran Eceng Gondok (Eichhornia crassipes) dan Tongkol Jagung (Zea mays) Sebagai Sumber Bahan Bakar Alternatif Gilar Khairul Sanatria; Deska Nurhidayat; M. Syahri
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Diminishing fossil energy due to excessive use causing problem for people. This problem should beimmediately balanced with renewable alternative energy, one example is biomass. The purpose of this studywas to create an alternative fuel in the form of briquettes from a mixture of water hyacinth and corn cobs toknow the calorific value, ash content, volatil matters, ash bound, and the water content in the briquettes witha mixture of water hyacinth (Eichohornia crassipes) and corncobs (Zea mays). Briquettes was made bymixing water hyacinth and corn cobs that have finished in the pyrolysis process using temperature 400C,500oC and 600oC with a weight ratio of 3: 2 and 3: 1. Starch was used as an adhesive with percentage 8%and 10%. The results showed that the highest value of calorific briquettes at weight ratio of 3: 2, leveladhesive 8%, and the pyrolysis temperature of 600oC with 5818.6 cal / g. In this study, it can beconcluded, if pyrolysis temperature is increasing then the content of carbon bound is increasing. Therefore,the calorific value of briquettes will be increase.
Reduksi Kandungan Logam Berat dalam Limbah Cair Industri Eektroplating dengan Menggunakan Proses Elektrokoagulasi Bambang Hari Prabowo; Giovana Ghasary Putri; Muhamad Faisal Sadikin
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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The content of heavy metals in the electroplating industry wastewater that is not controlled can damage the environment and has a negative impact on human health. Electroplating wastewater disposal should not throw into the environment because heavy metals are toxic and dangerous. In this research, we are using electrocoagulation method for reduce the content of heavy metals in the electroplating wastewater (Cr, Ni and Fe). Electroplating industrial wastewater is containing heavy metals from the coating structure of electrolyte solution and rinsing results of electroplating method that wastewater contain high heavy metals. Research by electrocoagulation method is applied to determine how much reduction in metal waste electroplating industry. Parameters changed in this research is the current flowing (2,5 ampere and 5 ampere) and the addition of NaOH. In this research, electrocoagulation process use 4,5 L of wastewater. Samples were taken and analyzed at the condition of 10, 20, 30, 40 and 50 minutes. Results from this research is reduction content of heavy metals 89,55% Cr, 99,52% Fe and 98,93% Ni. Reduction that achieved based on regulatory environment ministry is Fe and Ni.  
Life Cycle Assessment Proses Produksi Pulp dari Kayu Akasia (Studi Kasus: PT Tanjungenim Lestari) Nur Indrianti; Nyayu Ferliana Widya Ningsih; Partoyo Partoyo
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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The increasing global demand for paperand the opportunity for Indonesia to become one of the the top three players in the world pulp and paper industry tend to increase the capacity of national pulp production in the coming years.On the other hand the production process of pulp gives rise to the environment impacts such as increasing use of energy and environmental pollution. This study aims to do the environmental assessment of pulp production using Life Cycle Assessment by means of Simapro Software Version 8.0.3.14.As the object of the study we took a pulp production process using acacia wood as raw material that is undertaken by a pulp producer named PT Tanjungenim Lestari. The company is located in Muara Enim, South Sumatera, Indonesia. The results of the study show that the highest environmental impacts generated from the pulp production process include marine aquatic depletion and human toxicity resulted from chip preparation, digesting,and washing/screening processes.
Kecepatan Pelepasan Parasetamol dari Crosslinked Carrageenan-PVA Film: Pengaruh Rasio Carrageenan-PVA dan Waktu Pengisian (Loading) Sri Sutriyani; Rieke Ulfha Noviyanti; Sperisa Distantina
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Carrageenan which was extracted from seaweed Eucheuma cottonii was mixed with polyvinylalcohol (PVA) andthen carrageenan-PVA was modified with crosslinking method using glutaraldehyde. The result of hydrogelfilms was applied to control the drug release rate of paracetamol. The aim of this research to determine amathematical model that can be used to describe the events of drug release paracetamol, determine the effect ofweight ratio carrageenan-PVA (5:0, 1:0.5, 1:1, 1:2, 0:5) and the loading time of paracetamol (2 and 12 hours)on the parameters of paracetamol release rate from carrageenan-PVA film in a buffer solution pH = 7,4. Theresearch include several steps, the step of making carrageenan-PVA films, crosslinking carrageenan-PVA films,filling the film with paracetamol (Loading) and releasing test of paracetamol in a buffer solution. Themathematical model arranged can describe the mass transfer rate of paracetamol. The weight ratio ofcarrageenan-PVA greatly affect the amount of paracetamol was absorbed in the hydrogel film (Xo) and therelease rate of paracetamol in a buffer solution (kCa). The longer time of loading, paracetamol could beadsorbed more. Paracetamol release rate was faster at loading time 12 hours compared to 2 hours except thePVA film without carrageenan. 
Produksi Gula Pereduksi dari Depolimerisasi Pati Singkong Melalui Proses Pelarutan disertai Pemanasan dan Hidrotermal Febriyati Puspasari; Yoga Asmara; Prida Novarita Trisanti; Sumarno .
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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In cassava, the major component are starch (60%). This component can be converted into a high valueproduct, such a reducing sugar and oligosaccharides. Starch conversion can be done by de-polymerizationusing a hydrothermal process. The effect of reaction time in hydrothermal process in reducing sugarproduction was studied in this research. Cassava starch suspension (1:20 (w/v)) was pre-mixing with heatingat 60°C and 45 minutes. Then proceed with the hydrothermal process at 100°C and 100 bar in variousreaction time (15-120 minutes). The solid product were analyzed using Scanning Electron Microscopy(SEM), X-Ray Diffraction (XRD), and Anthrone analysis (starch). And liquid products were analyzed by DNSanalysis to calculate concentration of reducing sugars. From SEM analysis showed hydrothermal processwas attacked the garnules surface deeply and also the inner grannules parts. And concentration of reducingsugars was increase by increasing hydrothermal time.
Effect of Zinc Phosphating and Adhesive Thickness on Delamination Bonding Strength for Rubber/Steel Laminate Composite Guntur Tri Setiadanu; Mutiara Pangestika Gunarso; Widhiatmaka .
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Rubber/steel laminate composite is widely used for Rubber Vibration Insulator (RVI), part of the diesel power plant engine. This study aims to determine the effect of phosphating process and the thickness of the adhesive bonding into delamination resistance of rubber/steel laminate composite. After shot blasting process, some substrates are coated with zinc phosphate and other substrates are remain uncoated. Variations of the thickness of primer adhesive are 2.7, 6.8 and 11.9 μm combined with variations of topcoat adhesive thickness are 2.4, 7.1 and 12.5 μm. The process of forming the laminate composite occurs through transfer molding process at 160C in 450 seconds. The laminate composite that has been formed then tested by peel-off test to determine the strength of delamination. Delamination surface was characterized by SEM-EDX. The results showed that zinc phosphating process on substrate effectively to increase the bonding strength of laminate composite due to the metal zinc phosphate formation and impurities cleanliness. The optimum thickness of adhesive primer achieved in 6.8 μm combined with 7.1 μm topcoat adhesive thickness, which bonding strength was reached 252.2 N.
Conversion of Ligno-cellulosic Biomass Waste into Cellulose Nano-Fibril (CNF) Biodegradable Film for Bioactive Food Packaging Ratna Dewi Kusumanintyas
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Indonesia is rich in tropical fruit. However, many tropical fruits face a post-harvesting problem related to the short shelf-life of fruits due to the high respiration, transpiration, and decaying by fungi. To solve this problem, it is necessary to prolong the shelf-life of tropical fruit by applying bioactive food packaging which can prevent fruit from decaying and rotting. Among the prospective bioactive food packaging is biodegradable film made of cellulose nanofibril (CNF). CNF is new nanomaterial containing thin fiber from cellulose. This material forms transparent gel, thus it is easily to be modified into biodegradable film which is homogenous, safe, environmentally friendly, and renewable. CNF nanomaterial can be derived from lingo-cellulosic material through the process of lingo-cellullose degradation followed by homogenization using fluidization process. This process results in CNF transparent gel which can be readily modified as biodegradable film. This biodegradable film is then can be applied to the tropical fruits to prolong their shelf-life. CNF bioactive food packaging has high mechanical strength and high protection against oxidation process. This paper comprehensively reviews the advanced technology of upgrading lingo-cellulosic biomass waste into CNF biodegradable film and the technic of applying it as bioactive fruit packaging.
Distribusi Konsentrasi COD dan TSS pada Pengolahan Limbah Tahu dengan menggunakan Reaktor Alir Pipa Sitti Sahreni; Harjanto Harjanto; Mustafa Mustafa; Musdalifah Musdalifah; Firman Firman
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Liquid waste in tofu industry has the COD and TSS values that exceed the environmental quality standards.The high value of COD and TSS liquid waste in tofu industry is caused by the high organic level.The organic content from tofu industry can be lowered by a fermentation process using a reactor.This study is conducted to investigate the effect of the reactor’s length to the decreasing level of COD and TSS liquid waste of tofu industry with fermentation method using cow intestines as starter.This research was conducted by varying the sampling length of the reactor’s flow pipe from 20 cm, 40 cm, 60 cm, and 80 cm.The process was done within 45 days and a loading rate of 0.8 L/5 days.Based on the results of the research, time and sampling length affect the % of the decreasing level of COD and TSS.The fermentation process using flow pipe reactor enables the COD to get lower, up to 98.57% with the COD value of 196 mg/L at 80 cm sampling length on day 45, while the TSS can be lowered up to 77.38% with TSS value of 38 mg/L at 80 cm sampling length on day 45. The values of COD and TSS have met the environmental quality standards based on the number 02 of2011 East Kalimantan provincial.
Makalah Utama 1 Editor Prosiding sntkk 2017
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Makalah Utama 1

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