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Cucuk Evi Lusiani
Jurusan Teknik Kimia Politeknik Negeri Malang
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Materials Science & Nanotechnology Public Health Social Sciences

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STUDY ON DOUBLE-EFFECT DISTILLATION PROCESS FOR SEPARATING METHANOL-WATER USING ASPEN PLUS V10 Zauziah Pramiswari Putri; Cucuk Evi Lusiani; Zhang Zhishan
DISTILAT: JURNAL TEKNOLOGI SEPARASI Vol 8, No 2 (2022): June 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/distilat.v8i2.384

Abstract

Methanol (also known as CH3OH, methyl alcohol, hydroxymethane, wood alcohol, or carbinol) is a widely used primary raw material. It is one of the first organic chemicals to find extensive laboratory and industrial use. Methanol and water are ideal binary systems that can be separated by conventional distillation. This study aims to separate methanol-water using a simulated double-effect distillation process in Aspen Plus. To obtain a higher purity of methanol and consider the high energy consumption of the distillation process, double-effect distillation with a double column was used. Furthermore, the single-column and double-effect distillation processes can be simulated by Aspen Plus software. The software version used in this simulation is Aspen Plus V.10 with NRTL thermodynamics methods as binary interaction parameters. The double effect distillation column was equipped with a heat exchanger, splitter, and pump. Moreover, a design specification is needed to get the purity of methanol as wanted. Compared to each column process, the temperature profile of each column process is directly proportional to the number of stages. By simulation process that has been carried out, the purity of methanol in the single-column process and double-effect distillation process is slightly different with 97.1% and 97.2%, respectively. In the double-effect distillation process, columns C1 and C2 save 0.6% and 0.37% of energy in the single-column process, respectively. It indicates that the double-effect distillation has obvious advantages over single-column distillation in terms of purity of methanol and energy saving.
KUALITAS VIRGIN COCONUT OIL (VCO) HASIL FERMENTASI SELAMA ≥ 24 JAM MENGGUNAKAN RAGI ROTI DENGAN KONSENTRASI NUTRISI YEAST 6% B/V Alvira Alwa Setyorini; Cucuk Evi Lusiani
DISTILAT: JURNAL TEKNOLOGI SEPARASI Vol 8, No 2 (2022): June 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/distilat.v8i2.381

Abstract

Pohon kelapa sangat bermanfaat bagi kehidupan manusia karena hampir seluruh bagian kelapa dapat dimanfaatkan, salah satunya yaitu daging buah kelapa. Salah satu produk olahan daging buah kelapa adalah Virgin Coconut Oil (VCO) yang dapat dibuat melalui proses fermentasi tanpa pemanasan dengan penambahan ragi sebagai starter. VCO yang diolah tanpa pemanasan tidak akan merusak komponen penting yang terkandung di dalamnya. Penelitian ini bertujuan untuk mengetahui kualitas VCO hasil fermentasi selama ≥ 24 jam menggunakan ragi roti dengan konsentrasi nutrisi yeast 6% b/v. Kualitas produk VCO ditinjau berdasarkan yield, warna, aroma, rasa, dan pH. Penelitian ini dilakukan menggunakan ragi roti pada waktu fermentasi selama 24, 30, dan 36 jam. Berdasarkan hasil analisis produk VCO, dapat diketahui bahwa yield VCO paling tinggi diperoleh pada waktu fermentasi selama 24 jam yaitu sebesar 18,1% dan nilai yield menurun seiring dengan bertambahnya waktu fermentasi. Produk VCO yang dihasilkan memiliki sifat fisik yang sesuai dengan syarat mutu Standar Nasional Indonesia (SNI) 7381:2008, yaitu tidak berwarna dan jernih, aroma khas kelapa segar, dan rasa khas minyak kelapa. Untuk analisis nilai pH, produk VCO yang dihasilkan pada waktu fermentasi selama 24 hingga 36 jam dengan menggunakan ragi roti memiliki nilai pH yang sama yaitu 5.
LITERATURE STUDY OF L-CARNITINE PREPARATION METHODS FOR 1000 TONS OF ANNUAL PRODUCTION Annida Khoirun Nisa Purwadini; Cucuk Evi Lusiani
DISTILAT: JURNAL TEKNOLOGI SEPARASI Vol 8, No 2 (2022): June 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/distilat.v8i2.386

Abstract

L-carnitine is a gamma-hydroxy amino acid and also known as vitamin Bγ. L-carnitine has many benefits as well as uses. Supplements with L-carnitine content are much needed in the field of health. L-carnitine is obtained using a variety of methods. They are the chemical optic resolution method, the biological method, and those that use chiral materials from natural sources. The purpose of this literature study is to determine the best method to be used in the design of the L-carnitine production plant with a capacity of 1000 tons per year by comparing various existing methods from various aspects. Based on the results of the comparison, it was found that the production of L-carnitine from (S)-3-activated hydroxybutyrolactone is the best method to be used in the production of L-carnitine capacity of 1000 tons per year for 300 days. This method produces a lot-more L-carnitine products at a lower cost than other methods that have a higher yield.
BIMBINGAN TEKNIS PEMBUATAN HAND SANITIZER UNTUK ANGGOTA PKK RT/RW 01/01 POHJENTREK, PASURUAN S. Sigit Udjiana; Cucuk Evi Lusiani; Dwina Moentamaria; Dyah Ratna Wulan
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 9 No. 1 (2022): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v9i1.111

Abstract

PKK RT/RW 01/01 Pohjentrek, Pasuruan merupakan salah satu PKK yang ada di kelurahan Pohjentrek, Kecamatan Purworejo, Kota Pasuruan. Dalam mewujudkan salah satu program pokok PKK yaitu pendidikan dan keterampilan, PKK RT/RW 01/01 Pohjentrek, Pasuruan melakukan kerjasama dengan Politeknik Negeri Malang (Polinema). Kerjasama yang dilakukan berupa pemberian bimbingan teknis untuk pembuatan hand sanitizer oleh Jurusan Teknik Kimia, Polinema kepada anggota PKK RT/RW 01/01 Pohjentrek, Pasuruan. Penggunaan hand sanitizer sangat penting untuk menjaga kebersihan tangan. Hal ini bertujuan untuk meminimalisasi masuknya bibit penyakit dan infeksi dalam tubuh. Penggunaan hand sanitizer dapat mengurangi risiko kulit yang kering akibat terlalu sering mencuci tangan dengan sabun. Bimbingan teknis yang dilakukan oleh Jurusan Teknik Kimia, Polinema kepada anggota PKK RT/RW 01/01 Pohjentrek, Pasuruan dilakukan sebagai bentuk pengabdian kepada masyarakat (PkM) dari Polinema yang sejalan dengan Rencana Strategis Polinema (Renstra Polinema 2016-2020) untuk meciptakan iklim usaha bagi UMKM dalam hal ini adalah PKK RT/RW 01/01 Pohjentrek, Pasuruan. Hasil dari bimbingan teknis ini dapat menjadi bekal bagi anggota PKK sebagai pengetahuan baru dan dapat dikembangkan menjadi usaha baru.
LITERATURE STUDY OF THE EFFECT ON DOPING COMPONENT ON THE CE-TI OXIDE CATALYST FOR FLUE GAS DENITRATION WITH NH3-SCR Rias Becik Sinawang; Cucuk Evi Lusiani
DISTILAT: JURNAL TEKNOLOGI SEPARASI Vol 8, No 1 (2022): March 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/distilat.v8i1.328

Abstract

The Ce-Ti oxide catalyst is viewed as an innovation for the reduction of nitrogen oxide (NOx) and owns outstanding activity in ammonia-selective catalytic reduction (NH3-SCR) that became the most used denitration reaction in industry. In the flue gas, there will be many substances that inhibit the catalytic activity. Therefore, adding some components to the Ce-Ti oxide catalyst can be a solution. The aim of this literature study is to analyze the effect of doping components (Fe, Zr, Cu, K) on Ce-Ti oxide catalyst in the NH3-SCR reaction. Several theories and data methods were collected by comparing data based on catalytic activity and characterization of the catalysts. The activity of the catalyst was obtained by calculating the NOx conversion. The characterization of the catalysts was detected by BET, H2-TPR, NH3-TPD, and XPS. The analysis based on the literature study exhibited a catalyst with the best activities, structures, and properties required to successfully reduce NOx. The results indicate that the effect on doping components of Fe, Zr, and Cu can enhance the characteristics and protect the reduction ability, whilst the doping of K decreases surface acidity and reducibility on Ce-Ti oxide catalyst.
Kualitas Karbon Aktif Kulit Pisang Kepok Menggunakan Aktivator Kimia dengan Variasi Konsentrasi dan Waktu Aktivasi Khalimatus Sa’diyah; Cucuk Evi Lusiani
Jurnal Teknik Kimia dan Lingkungan Vol. 6 No. 1 (2022): April 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.777 KB) | DOI: 10.33795/jtkl.v6i1.259

Abstract

Buah pisang adalah sumber pangan yang banyak dikonsumsi karena memiliki kandungan karbohidrat yang tinggi. Bagian lain dari buah pisang yaitu bagian kulit dapat dimanfaatkan sebagai karbon aktif karena mengandung selulosa sebesar 14,4%. Karbon aktif dari kulit pisang khususnya Pisang Kepok (Musa acuminate L.) dapat digunakan sebagai zat penyerap bahan pencemar dan logam berat dari limbah industri. Pemanfaatan kulit pisang sebagai karbon aktif ini diharapkan dapat menjadi alternatif dari solusi pengolahan limbah padat organik sebagai zat penyerap logam berat dari limbah industri. Penelitian ini dilakukan untuk mengetahui kualitas dari karbon aktif dengan bahan baku kulit Pisang Kepok setelah diaktifkan menggunakan larutan basa dan asam. Karbon aktif dibuat dari kulit Pisang Kepok yang diaktivasi menggunakan aktivator basa kuat (NaOH) dan asam kuat (H2SO4) dengan konsentrasi 0,5 dan 1 N selama waktu aktivasi 1, 3, dan 5 jam. Hasil penelitian menunjukkan bahwa aktivator basa menggunakan larutan NaOH dengan konsentrasi aktivator 0,5 N selama waktu aktivasi 1 jam dapat menghasilkan karbon aktif dengan karakteristik yang sesuai dengan SII No. 0258-88. Karbon aktif yang dihasilkan dari kulit Pisang Kepok pada kondisi tersebut mampuf menurunkan kandungan logam Nikel pada larutan NiSO4 sampai 100%. Karbon aktif yang dihasilkan pada konsentrasi rendah dan waktu aktivasi yang singkat dapat mengurangi biaya produksi. Because of their high carbohydrate content, bananas are a popular food source. The skin of a banana can be used as activated carbon because it contains 14.4 percent cellulose. Activated carbon from banana peels, specifically Pisang Kepok (Musa acuminate L.), can be used as an adsorbent for pollutants and heavy metals emitted by industrial waste. The use of banana peels as activated carbon as a heavy metal absorbent from industrial waste is expected to be an alternative solution for treating organic solid waste. The purpose of this research is to ensure that the quality of activated carbon made from banana (Musa acuminate L.) peel after it's been activated with alkaline and acid solutions. Activated carbon is generated from banana (Musa acuminate L.) peel that has been activated with 0.5 and 1 N concentrations of strong base activator (NaOH) and strong acid activator (H2SO4) over activation times of 1, 3, and 5 hours. The results indicate that an alkaline activator using NaOH solution with an activator concentration of 0.5 N for 1 hour can produce activated carbon with SII No. 0258-88- compliant properties. Under these conditions, activated carbon derived from banana (Musa acuminate L.) peel was able to reduce the nickel concentration in the NiSO4 solution by up to 100 %. Using activated carbon with low concentrations and short activation durations can minimize costs of production.
Bimbingan Teknis Pemanfaatan Limbah Kulit Kopi sebagai Biofertilizer dalam Mendukung Pertanian Berkelanjutan May Kurnia Pratiwi; Mochamad Agung Indra Iswara; Wahyuni Ningsih; Shabrina Adani Putri; Cucuk Evi Lusiani; Mufid
KOMUNITA: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 5 No 2 (2026): Mei
Publisher : PELITA NUSA TENGGARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60004/komunita.v5i2.554

Abstract

Coffee husk is a by-product of coffee bean processing that offers substantial potential for conversion into biofertilizer. Despite this potential, limited knowledge and technical skills among small business actors restrict the optimal utilization of this waste, reducing opportunities for value-added product development and contributing to environmental concerns. This study reports on the implementation of Technical Guidance on the Utilization of Coffee Husk as Biofertilizer to Support Sustainable Agriculture, aimed at enhancing participants’ competencies in processing coffee husk through a simple fermentation method. The program comprised theoretical instruction on the benefits and potential of coffee husk, technical training on biofertilizer production, and practical hands-on processing using basic equipment. Results demonstrated significant improvements in participants’ knowledge and skills in transforming coffee husk into biofertilizer. Evaluation surveys indicated that 77% of participants were very satisfied, while 23% were satisfied with the training. The program effectively strengthened technical capabilities, promoted productive utilization of organic waste, and supported sustainable agricultural practices.
Co-Authors Ade Satria Saloka Santosa Agung Ari Wibowo Agung Ari Wibowo Ainiyah Fithriyatul Jannah Alvira Alwa Setyorini Annida Khoirun Nisa Purwadini Bambang Widiono Dhoni Hartanto Diah Lailatul Aula Dyah Ratna Wulan Dynda Farisa Cahya Negari Eko Naryono Hana Kurnia Oktaviani Hardjono Hardjono Khalimatus Sa’diyah Khalimatus Sa’diyah Lita Rani May Kurnia Pratiwi Mochamad Agung Indra Iswara Mochammad Agung Indra Iswara Mufid Naufal Cenna Rafidanta Rias Becik Sinawang Rizqy Romadhona Ginting Rosita Dwi Chrisnandari Rosyana Sabyllatul Ulumma S. Sigit Udjiana Shabrina Adani Putri Sinta Triastutik Ulfa Nurida Wahyuni Ningsih Wianthi Septia Witasari Zauziah Pramiswari Putri Zhang Zhishan