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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.
Arjuna Subject : -
Articles 588 Documents
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Pengaruh Variasi Konsentrasi Tepung Bonggol Pisang Termodifikasi dengan Metode Enzimatis sebagai Bahan Substitusi pada Pembuatan Mi Basah Widyaningsih, Arum Dewi; Abdillah, Hamid
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

The banana tuber contains high carbohydrates, but it is still rarely used because of the brown color of the flour due to heating. To cover this deficiency, modification with α-amylase enzyme was carried out. The purpose of this study was to obtain a suitable formulation for the manufacture of wet noodles that meet the requirements of SNI quality standards. The treatment variation made was the ratio of 3 tapioca: 9 banana tuber: 48 wheat (80% wheat), 3 tapioca: 6 banana tuber: 21 wheat (70% wheat), 3 tapioca: 5 banana tuber: 12 wheat (60% wheat). The variation of α-amylase enzyme used was 10%, 20%, 30%, 40% with 0% as the control variable. Organoleptic test to determine the most preferred noodle variation. The test parameters were color, aroma and texture. The results showed that the best quality with color and aroma wet noodles were obtained from a combination of 60% with 40% α-amylase enzyme concentration ratio. As the texture parameters were obtained from a combination of 60% wheat with 10% α-amylase enzyme concentration ratio. The results showed that the moisture content of wet noodles had met the SNI 2987:2015 standard, which is below 65%.
Modifikasi Pati Secara Asetilasi dan Aplikasinya Sebagai Bahan Dasar Filamen Jaring Ikan Ramah Lingkungan Triastuti, Warlinda Eka; Suprapto, Suprapto; Muyassaroh, Tisnuliah; Bawafi, Suardhana; Sampurno, Ade Citra Oktaviana Elok; Meghotsah, Muhammad Akha; Aditama, Fitra Diannico; Ardhana, Krisna Setya
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Fishing nets are generally made of synthetic polyamides such as nylon. The use of nylon nets has negative impacts, such as habitat destruction. So it is necessary to consider the use of biodegradable nets. One of the potential natural materials that can be used as eco-friendly fishing net filaments is starch. The research aims to modify cassava and corn starch by acetylation method to improve their characteristics. Starch modification was carried out by adding acetic acid with variable concentrations of 10%, 15%, 20%, 25%, and 30% into the starch. Modified starch was analysis for water content, swelling power, solubility, and FTIR. In the manufacture of filaments using modified corn 15% with a test result of 0.04; 0.13; 0.05. The results of the FTIR analysis showed a combined functional group between HDPE and starch at wave numbers 2922.2cm-1 and 1371.7cm-1. Starch content has an effect on reducing the weight of filament degradation. SEM analysis showed that the compatibility of the filament with the addition of MA increased but the internal structure of the filament gradually expanded with increasing starch content. The results of the analysis of tensile strength and elongation at break of the filament are 1.81 kgf and 119.77%
Penentuan Kadar Sulfat pada Air Sumur di Wilayah Surabaya Menggunakan Spektrofotometer Agustiani, Elly; Triastuti, Warlinda Eka; Sampurno, Ade Citra Oktaviana Elok; Zahrah, Hanifah Fauziyah; Tyas, Sunia Rahma Cahyaning; Santoso, Yustia Dwi Fitria; Rahmawati, Affy Milatur; Martasari, Amelia; Wintara, Ellen Septia; Amali, Hafid
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

The quality of drinking water can be assessed based on three aspects: physical, chemical, and microbiological aspects. One of the chemical aspects in determining water quality is the sulfate content. UV-Vis spectrophotometry method has been widely used to analyze sulfate content. UV-Vis spectrophotometry is a spectroscopic analysis technique that uses an electromagnetic wave source with ultraviolet (UV) for wavelength (190-380 nm) and visible light with wavelength (380-780 nm). The purpose of this study is to determine the absorbance and concentration of samples using spectrophotometric analysis, calculate the sulfate content in the samples, and compare it with the Indonesian Ministry of Health Regulation Permenkes RI No. 32//2017. The research stages include calibration, calibration curve creation, making standard H2SO4 solutions, measuring the absorbance of the standard solutions, and analyzing the sulfate content in water samples. The research results showed that the sulfate concentration in the Bangkalan, Nginden, Sidoarjo, Keputih, and Kapas Madya well water samples were 14.0817, 27.551, 29.1837, 49.0817, 54.6939 ppm, respectively. Based on the Indonesian Ministry of Health Regulation Permenkes RI No. 32//2017, the maximum sulfate content in water is 400 mg/L, thus it can be concluded that the water samples in those areas have met the clean water standards.
Pengaruh Variasi Kosentrasi Tepung Tapioka Termodifikasi Dengan Metode Enzimatis Sebagai Bahan Substitusi Pada Proses Pembuatan Mie Putri, Itci Amada; Abdillah, Hamid
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Indonesia has dependency to rice Enough high , so request rice very tall And when happen scarcity rice inside _ country . So needed innovation product For cope problem such , ie Wrong only one replace rice with noodles wet as alternative  replacement source carbohydrates . Material raw making noodles wet on study This is flour tapioca modified And flour wheat as material substitution . Expected with use material non- flour basis For product noodles capable replace dependency use flour flour . On study This use variation comparison composition flour tapioca modified And flour different flour _ namely ; (10%:90%, 25 % : 75%, and 30%:70%) use variation concentration enzyme 10%, 20%, 30%, 40%, and 0% as control parameters . Results study show comparison flour tapioca modified influential to noodle water content wet And quality noodles wet include (aroma, elasticity , and color ). Highest water content that is sample noodles wet on ratio of 30% flour tapioca modified and 70% flour wheat with 40% enzyme concentration of 64.54 % . According to Body Standard Indonesian National requirements quality noodle water content good wet is 65%, got concluded that noodles wet fulfil requirements.
Pengaruh Waktu Pemasakan dan Konsentrasi NaOH Terhadap Penurunan Kadar Lignin Pulp dari Batang Pisang Kepok dengan Proses Soda Maulana, Imam; Widayatno, Tri
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Banana is a plant that has very high cellulose content so it can be used as a raw material for making pulp. This research was conducted with the aim of knowing the effect of cooking time and sodium hydroxide concentration on reducing the lignin content of banana stem pulp by soda process. The cooking solution used in the soda process is NaOH solution. With various concentrations of NaOH 20%, 25%, and 30% and cooking time 40, 80, and 120 minutes. The highest lignin content was 1.8785% during pulping for 40 minutes with 20% NaOH concentration. While the lowest lignin content was 1.3093% during pulping for 120 minutes with 30% NaOH concentration.
Bioconversion of Fruit Wastes into High Economic Value of Lipids using Heterotrophic Microalgae Aurantiochytrium from Mangrove Forests of Bunyu Island, North Kalimantan Suhendra, Suhendra; Hutari, Andri; Pratiwi, Sekar; Sari, Hutri Puspita
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Aurantiochytrium microalgae is recognized as heterotrophic microalgae enables to produce high economic value of lipids for the use in health care industries. This research presents the production of biomass containing lipids through the bioconversion of fruit waste using Aurantiochytrium microalgae. Aurantiochytrium microalgae isolate was obtained from isolated mangrove leaves in the mangrove forest of Bunyu Island, North Kalimantan. The production process takes place in three stages, namely standing culture (SC), pre-culture (PC), and main culture. The SC and PC stages took place 48 hours respectively, while the MC took place 120 hours. The source of nutrition at the main cultivation stage (MC) used monosodium glutamate (MSG) as a nitrogen source, while the carbon source was from fruit waste. Amount of 250 grams of fruit waste was mixed and blended, added with 250 ml of water and then sonicated. The mass ratio of nitrogen source and carbon source was 1:3. The maximum of observed microalgal cell diameters for each stage were 14.5 μm (SC), 19.2 μm (PC) and 25.5 μm (MC). Produced biomass in this experiment has the characteristics of a yellow emulsion liquid, pH 6.2, fishy smell and total dissolved solids (TDS) of 4,820 ppm and a wet biomass of 68 g/l
Kata Pengantar dan Daftar Panitia SNTKK 2023 2023, Editor SNTKK
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Kata Pengantar dan Daftar Panitia SNTKK 2023
Catalytic Pyrolysis of Corn Cob Using Fe-Ni/Char Catalyst Safitri, Mutia; Azis, Muhammad Mufti; Wintoko, Joko; Kristanto, Jonas; Caroko, Novi
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

There is a growing interest to convert biomass waste such as corn cob to biofuel. Thermal conversion such as pyrolisis may play an important role to produce bio-oil. The objective of this research was to develop a kinetic study of catalytic pyrolysis of corn cob over Fe-Ni/Char catalyst using Thermogravimetric Analysis (TGA). The solid catalyst was prepared by impregnation method. The ratio of the percentages of Fe and Ni metals in the X-Ray Fluorescence (XRF) analysis of the catalyst was close to 1:1, resulting in metal loading values of 2.5% (1.062% and 1.013%), 5% (2.291% and 2.794%), and 10% (4.947% and 5.417%) for the catalyst. The pyrolysis experiments were performed using various catalyst loadings of 0, 2.5, 5, and 10%. In addition, the present study also investigated the influence of heating rates of 5, 10, and 20 K min-1. Two isoconversion models, Kissinger-Akahira-Sunose (KAS) and Ozawa-Flynn-Wall (OFW) were utilized to determine the activation energies. The activation energies calculated using the KAS and OFW models revealed a consistent trend, with values of activation energy of corn cob pyrolysis around 124 - 303 kJ/mol and 133 - 313 kJ/mol, respectively.

Page 59 of 59 | Total Record : 588

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