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All Journal Eksergi: Chemical Engineering Journal Jurnal Kimia Riset JURNAL KONVERSI Prosiding SNAST Pengmasku SURAKARTA ABDIMAS JOURNAL
Syarifah Aini
Universitas Widya Dharma Klaten
Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Penerapan Lima Model Kesetimbangan Adsorpsi Isoterm pada Adsorpsi Ion Logam Chrom VI oleh Zeolit Syarifah Aini; Supratikno Supratikno
Eksergi Vol 15, No 2 (2018): Vol. 15 No.2 (2018)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v15i2.2385

Abstract

Chrom VI metal ion include heavy metal waste which needs further processing using adsorbent. Zeolite is a suitable adsorbent for absorbing strong affinity chrom VI metal ions because zeolite is a natural mineral that has an active surface area per unit of mass and power. The purpose of this study was to determine a suitable model for the equilibrium adsorption of chrom VI metal ion by zeolite along with their parameter values, and to determine the optimal zeolite absorption against chrom VI metal ion. This study uses the method of applying the isotherm adsorption equilibrium model which includes 5 equations namely Linear Adsorption (Henry's Law), Freundlich Isotherm Adsorption, Langmuir Isoterm Adsorption, Brunauer-Emmett-Teller Isotherm (BET), Sigmoidal Chapman Equation. From these five models, data fitting is done to find models that are closer to the data. Data matching is done by minimizing the Matlab program. The results showed that the suitable model is the BET Isotherm Adsorption model with parameter values, namely the BET isotherm adsorption constant value (CBET) of 0.5183 l/mg, the maximum capacity of the adsorbent at equilibrium theoretical (qs) is 149.9977 mg/g and the saturated adsorbate concentration in the monolayer (Cs) is 184.1691 mg l.
Optimization of Coagulant Dosage for Suko River Water Treatment syarifah aini; H.D. Wahyudi; Kukuh Priyono
Eksergi Vol 18, No 1 (2021)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v0i0.4497

Abstract

Sungai Suko, Drono village, Ngawen sub-district, Klaten district, is located near residential area and tofu factory, the possibility of water contamination is quite high, which is caused by household waste. This river water can be processed into clean water by a coagulation process of the Jar Test method using coagulant alum, PAC and chlorine. The purpose of this study was to determine the optimum dose of coagulant in processing Suko river water into clean water using the Jar test method and knowing which coagulant is most suitable for processing the Suko river water into clean water. This research method is to use the Jar Test experiment to determine the optimum coagulant dose in processing Suko river water into clean water. The quality of the water samples before the experiment were tested which included the physical parameters, i.e. temperature, color, odor, and turbidity, also the chemical parameters, i.e. Fe, hardness, CO2, alkalinity, pH, COD, BOD, then the experimental results will determine the level of water clarity. The results showed that the optimum alum content in the experiment was 120 ppm by adding 6 mL of alum to 500 mL of water, the optimum level of PAC in the experiment is 200 ppm by adding 10 mL of PAC to 500 mL of water, and the optimum chlorine level in the experiment is 160 ppm by adding 8 mL of chlorine to 500 mL of water.
PENAMBAHAN EKSTRAK JERUK NIPIS DAN KONSENTRASI INOKULUM TERHADAP KARAKTERISTIK NATA DE SOYA DARI LIMBAH CAIR INDUSTRI TAHU KABUPATEN KLATEN Syarifah Aini; Fatkhun Nur
Jurnal Kimia Riset Vol. 4 No. 2 (2019): Desember
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jkr.v4i2.16137

Abstract

Limbah cair tahu (Whey) yang masih mengandung protein dan karbohidrat di kabupaten Klaten akan mengakibatkan pencemaran lingkungan. Sehingga, perlu adanya cara untuk mengolah limbah cair tahu menjadi produk olahan baru yang memiliki nilai ekonomi cukup tinggi. Maka dilakukannya penelitian pembuatan Nata de Soya berbahan dasar limbah cair tahu (Whey) dengan menggunakan fermentasi bakteri Acetobacter xylinum dan penambahan ekstrak jeruk nipis. Tujuan penelitian ini adalah untuk mengetahui karakteristik Nata de Soya dari limbah cair tahu dengan perlakuan penambahan ekstrak jeruk nipis dan konsentrasi inokulum yang berbeda. Metode penelitian ini adalah Rancangan Acak Kelompok terdiri atas dua faktor perlakuan. Faktor pertama yaitu persentase air jeruk nipis (N) yang terdiri dari tiga taraf (1%, 3%, 5%) dan faktor kedua yaitu konsentrasi inokulum (I) yang terdiri dari tiga taraf (5%, 10% dan 15%). Analisis data dilakukan secara statistik, jika terdapat beda nyata dilanjutkan dengan uji jarak berganda Duncan (JBD) pada jenjang nyata 5%. Hasil penelitian menunjukkan konsentrasi inokulum 5% dengan jeruk nipis 3% dan 5% tidak berpengaruh nyata terhadap tekstur Nata de Soya. Konsentrasi inokulum 15% dan jeruk nipis 1% memberikan nilai terbaik dari semua perlakuan yaitu ketebalan 1,04 cm, rendemen 205,33 g, kadar air 86%, kadar serat 48,6% dan tekstur 2,48 N.
PENGARUH PENAMBAHAN Cr(OH)3 DAN Fe(OH)2 DALAM PEWARNA GLASIR TERHADAP MODULUS PATAH DAN DAYA SERAP BAHAN Syarifah Aini; Noni Retno Afrianti
JURNAL KONVERSI Vol 7, No 1 (2018)
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/konversi.7.1.8

Abstract

Heavy metal waste is B3 waste that has hazardous and environmentally damaging effect, such as electroplating industry waste which produces Cr(OH)3 and Fe(OH)2 wastes. The purpose of this research is to use the waste as a mixture of glaze and to know how much the effect of Cr(OH)3 and Fe(OH)2 addition in glaze dye to the fracture modulus and the absorption capacity of the material. The materials were mashed and sieved with a size of 200 mesh, then the three materials were mixed with homogeneous which have 15% leucite, 15% lime, 70% borax composition, then suspended with water until homogeneous. Afterward, added Fe(OH)2 (comparison mix of dye as much as 3%-7% weight of glaze). The experiment was repeated by adding Cr(OH)3, then a mixture of Fe(OH)2 and Cr(OH)3. The suspension result is poured onto the test tile and be spread evenly, then inserted into the muffle, heated to 900oC for 2 hours and cooled. After that, analyzed the fracture modulus and absorption capacity of the test tile. The result of this study; first, the addition of 6% Fe(OH)2 optimize the brown color. Second, the addition of 7% Cr(OH)3 optimize the green color. Last, the addition of 3% mixture of Fe(OH)2 and Cr(OH)3 optimize yellowish green color. From the research data it can be concluded that the more metal oxides are added, the greater the fracture modulus, and the smaller the absorption.
KESETIMBANGAN ADSORPSI ION LOGAM CHROM VI OLEH ZEOLIT PADA BERBAGAI UKURAN PARTIKEL Syarifah Aini; Supratikno _
PROSIDING SNAST Prosiding SNAST 2018
Publisher : IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The waste of heavy metal such as chrom metal ion needs further process by certain technics. One of them is adsorbent one by applying the equilbrium principle of adsorption. Zeolite is the suitable adsorbent to use to absorb the metal ion of chrom. The purpose of the study is to determine the suitable model for equilbrium adsorption of metal ion of chrom VI by zeolite together with its parameter values and to know the maximum power absorbtion of zeolite toward metal ion of chrom VI. The production of the solution of metal ion of chrom VI in various concentration such as concentration of 10 ppm, 30 ppm, 50 ppm, and 70 ppm. Each of the solution is added by 40 gram of zeolit and stirred for 30 minutes then filtered and the filtrat is analyzed by spectrophotometer. The experiment is conducted by the various particle size of zeolite such as 50 mesh, 100 mesh, and 170 mesh. The study uses the method of application model of isoterm adsorption equilbrium that covers 5 equations that is Linier Adsorption (Henry’s Law), Isotherm Adsorption of Freundlich, Isotherm Adsorption of Langmuir, Isotherm of Brunauer-Emmett-Teller (BET), the Equation of Sigmoidal Chapman. From these five models then data fitting is conducted to find the model that closer to the data. Data matching is conducted by minimizing that is run by Matlab program. The result of study shows that the suitable and closer model is the model of Isotherm adsorbtion of Freundlich in its equilbrium constant 0,0018 l/g. The maximum concentration of metal ion of chrom VI absorbed by zeolite is 5,6402 mg/g to the 170 mesh of particle size. The study can be concluded that the smaller size of particle of adsorbent the bigger material concentration absorbed.
Inovasi Pelapisan Glasir Pada Gerabah Di Industri Kecil Dan Menengah : Desa Melikan Kecamatan Wedi, Kabupaten Klaten, Jawa Tengah Titik Purwanti; Agung N. Jati; Oki Kuntaryanto; Syarifah Aini; Zuyina Luklukaningsih; Anna F. Setianingtyas; Anis Marjukah; Abdul Haris; Kun Ismawati; Endang Wulandari; Nawang Kalbuana
Pengmasku Vol 3 No 1 (2023)
Publisher : PT WIM Solusi Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54957/pengmasku.v3i1.362

Abstract

Melikan Village, Wedi District, Klaten Regency is an area that is 90% working as traditional pottery craftsmen with one of the rare ceramic-making techniques in the world, namely the tilt rotation technique. This technique turned out to be a feature that distinguished it from the art of printing pottery and ceramics from other regions with a plain brown, blackish color being its hallmark. The products of this craft have been exported to Switzerland and other countries. The purpose of this community service activity includes improving creative skills and innovating in making pottery and glaze crafts. The method applied in this community service activity is through lectures (counseling), mentoring, and the practice of making pottery with glaze. The existence of this community service activity is able to encourage craftsmen to produce pottery that has been coated with glaze so that it can improve the quality of pottery/ceramics so that it is more marketable in the modern market as it is today.
PENDAMPINGAN DAN PEMBINAAN ANALIS PASAR IKM GERABAH/ KERAMIK DI DESA MELIKAN KECAMATAN WEDI KABUPATEN KLATEN Titik Purwanti; Agung N Jati; Oki Kuntaryanto; Syarifah Aini; Zuyina Luklukaningsih; Anna Febrianty; Anis Marjukah; Abdul Haris; Kun Ismawati; Endang Wulandari; Nawang Kalbuana
SURAKARTA ABDIMAS JOURNAL Vol. 2 No. 1 (2023): Surakarta Abdimas Journal
Publisher : FAKULTAS EKONOMI UNIVERSITAS SURAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52429/saj.v2i1.168

Abstract

Abstract The marketing of pottery is getting better because the successors of these SMEs are no longer stuttering technology, they have made sales through various social media, there are even young pottery entrepreneurs who have been able and concentrated on selling their pottery abroad, although the standard of pottery for export must meet the requirements and high standards, so it requires painstakingness as well as caution in its manufacture. The problems experienced by partners are 1) Melikan Village has the potential to develop pottery products, moreover pottery is one of Klaten's brand images (precisely Melikan Wedi village), how to prepare an effective marketing strategy, 2) Pottery in Melikan Village, Wedi District, still has potential and still exists, for that it needs to be supported how pottery marketing can be improved so as to accelerate growth, 3) how to make Melikan Wedi pottery SMEs able to compete with competitors. The objectives of this assistance and coaching are 1) to prepare an effective marketing strategy, 2) to accelerate growth, 3) to be able to compete with competitors. The methods applied to overcome partner problems are a) providing educational provision of mentoring, coaching training so that Melikan pottery SMIs are able to analyse their marketing, b) organising mentoring, training on better marketing methods to produce more effective marketing, c) providing training to pottery human resources in order to strengthen the human resources of Melikan pottery SMIs to be able to compete with other pottery competitors. The targets and outcomes achieved in this mentoring and coaching programme are to provide an identity as a pottery craftsman who is able to compete and continue to grow into a solid pottery SMI, provide direction and guidance to focus on pottery marketing analysis programmes and coaching of stakeholders as well as the effectiveness of pottery marketing. Keywords: Pottery, Tilted Round, Glaze, Melikan Village.
Co-Authors Abdul Haris Abdul Haris Agung N Jati Agung N. Jati Anis Marjukah Anis Marjukah Anna F. Setianingtyas Anna Febrianty Endang Wulandari Endang Wulandari Fatkhun Nur H.D. Wahyudi Kalbuana, Nawang Kukuh Priyono kun ismawati Kun Ismawati Noni Retno Afrianti Oki Kuntaryanto Oki Kuntaryanto Supratikno Supratikno Supratikno _ Titik Purwanti Zuyina Luklukaningsih Zuyina Luklukaningsih