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Hasannah, Cintiya Septa
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Inisiasi penambahan Direct Contact Heat Exchanger pada Stasiun Penguapan Pabrik Gula X Intan Permata Sari, Hanifah Madriyah; Hasannah, Cintiya Septa
BAROMETER Vol 9 No 2 (2024): Volume 9 Nomer 2 Tahun 2024
Publisher : Fakultas Teknik, Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/barometer.v9i2.10205

Abstract

White crystal sugar is one of the plantation commodities that is widely produced because it is widely consumed by the people of Indonesia. White crystalline sugar at Sugar X Factory is made from sugarcane sap which has gone through the refining stage into clear sap and then concentrated using an evaporator to become thick sap, where thick sap will become white crystalline sugar after crystallization. In the process of converting clear sap into viscous sap, it requires quite a lot of steam in the evaporator, causing the used steam in the Sugar Factory to be consumed more by the Evaporation Station. In fact, in the Sugar X factory, many steam has not been able to thicken the clear sap to the maximum due to the considerable workload. This is because the incoming temperature is very low, so the temperature must be raised in order to reach the flash point to evaporate. A direct contact heat exchanger equipment needs to be installed before entering the evaporator at the Evaporation Station of the X Sugar Factory. The purpose of this research is to obtain a direct contact heat exchanger or DCHE design which will then be installed at the X Sugar Factory Evaporation Station. To obtain the desired direct contact heat exchanger design, actual data, literature data, and assumption data are needed. Based on calculations, this DCHE has an outer diameter of 1,062 meters with a height of 8,628 meters. Based on calculations, this DCHE has an outer diameter of 1,062 meters with a height of 8,628 meters. After calculation, it was found that this tool can save used steam consumption as much as 14,467 tons / hour and can increase the capacity of the tool from 5,622 TCD to 6,371 TCD, so that this equipment is considered feasible in terms of economy and use for use as a preheater before entering the evaporator of the Evaporation Station.
Karakteristik Nata De Soya dari Whey Tahu dengan Penambahan Gula Semut Aren Menggunakan Acetobacter xylinum Alayda, Vivi Rahma; Yuliasari, Fitri; Hasannah, Cintiya Septa
SCISCITATIO Vol. 5 No. 2 (2024): Volume 5 Number 2, January 2024 (Online First)
Publisher : Universitas Kristen Duta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21460/sciscitatio.2024.52.176

Abstract

Tahu merupakah produk olahan kedelai yang menghasilkan limbah berupa padatan dan cairan. Limbah cair atau Whey yang tidak diolah berpotensi untuk mencemari lingkungan sehingga perlu adanya pengolahan terhadap limbah tersebut. Oleh karena itu, dilakukan penelitian pembuatan Nata de Soya berbahan dasar limbah cair tahu dengan metode fermentasi bakteri Acetobacter xylinum. Tujuan penelitian ini adalah untuk mengetahui karakteristik Nata de Soya yang dihasilkan dari limbah cair tahu dengan penambahan gula semut aren. Karakterisasi Nata de Soya dilakukan dengan pengujian kadar serat kasar menggunakan metode gravimetri, kadar air dengan metode thermogravimetri, ketebalan dengan pengukuran jangka sorong, rendemen dengan perhitungan berat dan volume bahan, Total Coliform dengan metode Chromocult Coliform Agar (CCA), serta Food Security dengan metode Colorimetric dan Colorimetric-Sulfanilic Acid. Variasi penambahan gula semut aren adalah 2,8%(b/v), 4,2% (b/v), dan 4,6% (b/v). Nata de Soya dengan variasi gula 4,6% (b/v) memiliki kadar air paling maksimal yaitu 97,82%, rendemen 21,20%, dan tebal 0,45 cm. Kadar serat maksimal dihasilkan pada variasi gula 2,8% (b/v) sebesar 1,18%. Nata de Soya menunjukkan kadar Coliform sebanyak 7 g dan positif mengandung nitrit pada uji Food Security.
Penentuan Formulasi Terbaik Pembuatan Sampo Kendaraan Berbahan Dasar Sisa Produk Sampo di Industri Sampo Fauzi, Muhammad Rezal Alfian; Hasannah, Cintiya Septa; Perdani, Meka Saima; Prajati, Gita
REACTOR: Journal of Research on Chemistry and Engineering Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v5i1.122

Abstract

This research aims to process remaining shampoo products originating from the sampo industry into vehicle shampoo so that it has sales value and also has good quality. Determining the formulation for making this vehicle shampoo uses the trial and error method. After that, the variation data obtained will be tested through a pH test, density test, viscosity test, foam power test and corrosivity test. The results obtained are that the remaining variation data for the 25 mL shampoo product is the most optimal data because it meets the requirements for pH, density, viscosity and foaming test results. The results obtained from the variation data to make the best formulation were 47% remaining shampoo, 8% LAS, 8% NaCl (0.5 N), 8% NaOH (0.1 N), 0.4% Essense (Bubble Gum). %, and Aquadest 30%. This formulation produces a pH value of 7.18. Meanwhile, the density is 1.0257 g/cm3. The viscosity of this composition is 2.999 Pa.s. The stability of the foam power is 66,7% and the corrosion resistance test results get a value of 0.145655 mm/year or in the "Good" category in terms of corrosion resistance.
The Effect of Linear Alkylbenzene Sulfonate on Corrosivity of Vehicle Shampoo from Overproduction Softener Production in Industry Alzena Yulianto, Raisa Syifa; Hasannah, Cintiya Septa; Perdani, Meka Saima; Suci, Farradina Choira
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 9, No 2 (2024): EDISI SEPTEMBER 2024
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v9i2.5915

Abstract

Indonesia is one of the countries with a significant number of laundry services, which has led to the emergence of numerous companies engaged in the production of high-quality softener products. This extensive softener production has resulted in a considerable surplus of the product, which can potentially harm the environment. This study aimed to process the excess products produced by the softener industry into vehicle shampoo and LAS (Linear Alkylbenzene Sulfonate), the main component of vehicle shampoo. We will achieve this through trial-and-error mixing methods and optimal variations. We aim to create products with sales value that the public can use to wash vehicles at a more economical price while maintaining quality comparable to commercial products. The optimal variation results obtained from this research were 40 ml of fragrance, 50 ml of Sodium Laureth Sulfate (SLES) Texapon, and 40 g of LAS, with test results of pH 7.92 and density 1.025 g.cm-3. The viscosity was found to be 2.41 Pa.s, the foaming power was 91.67%, and the corrosivity was 0.09291 mm/year. These results showed that the vehicle shampoo meets corrosion resistance standards. 
ANALISIS PERHITUNGAN HEAT LOSS ALIRAN PIPA 471 FN03 PADA KELUARAN PREHEATER MENUJU COAL MILL PT SEMEN GRESIK PABRIK REMBANG Akbari, Nuzulul Ardan; Hasannah, Cintiya Septa
JURNAL KAJIAN TEKNIK MESIN Vol 8, No 1 (2023): Jurnal Kajian Teknik Mesin
Publisher : Universitas 17 Agustus 1945 Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52447/jktm.v8i1.7143

Abstract

AbstrakPT Semen Gresik Pabrik Rembang merupakan salah satu perusahaan manufaktur semen terbesar di Indonesia yang berlokasi di Kabupaten Rembang, Jawa Tengah. Perusahaan ini memiliki kapasitas terpasang sebesar 3.000.000 ton/tahun. Proses utama yang terjadi dalam pembuatan semen yaitu pembakaran yang terjadi di preheater dan kiln pada temperatur tinggi hingga mencapai 1450oC sehingga menghasilkan udara panas yang akan digunakan sebagai media pengeringan salah satunya pada alat coal mill. Akan tetapi terdapat sebuah permasalah, yaitu suhu udara panas yang masuk menuju coal mill mengalami penurunan selama distribusi pada aliran pipa 471 FN03 yang berasal dari keluaran preheater. Hal ini diyakini akan memperngaruhi proses pengeringan batu bara yang membuat jalannya proses tersebut menjadi lebih lambat. Diperlukan analisis perhitungan heat loss pada aliran pipa 471 FN03 untuk mengetahui kerugian yang terjadi akibat hilangnya energi. Hasil perhitungan yang dilakukan menjelaskan perpindahan panas yang terjadi sebesar 30,88 kW dengan total hambatan panas sebesar 0,011 k/W. Isolasi pipa yang digunakan mempunyai nilai jari-jari kritis 6,52 m atau lebih besar dari jari-jari lapisan isolasi 1,12 m menandakan pemilihan isolasi pipa cukup baik dalam menangani hambatan panas tapi tidak dengan perpindahan panas.Kata kunci: heat loss, perpindahan panas, analisis perhitungan, hambatan panasAbstractPT Semen Gresik Rembang Factory is one of Indonesia's largest cement manufacturing companies, located in Rembang Regency, Central Java. The company has an installed capacity of 3,000,000 tons/year. The main process that occurs in the manufacture of cement is combustion which occurs in a preheater and kiln at high temperatures up to 1450OC to produce hot air which will be used as a drying medium, one of which is in the tool coal mill. However, there is a problem, namely the temperature of the hot air that the inlet coal mill experienced a decrease during distribution in the 471 FN03 pipe flow originating from the preheater output. This is believed to affect the coal drying process which makes the process slower. Calculation analysis is required for heat loss on the flow of pipe 471 FN03 to find out the losses that occur due to energy loss. The results of the calculations carried out explain that the heat transfer that occurs is 30.88 kW with a total heat resistance of 0.011 k/W. The pipe insulation used has a critical radius value of 6.52 m or greater than the radius of the insulation layer of 1.12 m indicating that the selection of pipe insulation is good enough to handle heat resistance but not heat transfer.Keywords: heat loss, heat transfer, calculation analysis, heat resistance
Perlakuan Awal Makroalga Gracilaria Sp Menggunakan Deep Eutectic Solvent Untuk Produksi Glukosa Nainggolan, Delima; Hasannah, Cintiya Septa; Aeni, Alfieta Rohmaful; Sudiyani, Yanni; Muryanto, Muryanto
TEKNIKA Vol. 19 No. 2 (2025): Teknika Mei 2025
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15522530

Abstract

Produksi gula dalam negeri di Indonesia belum mampu memenuhi kebutuhan nasional. Pada tahun 2022, permintaan gula mencapai 6 juta ton, sementara produksi hanya 2,2 juta ton, sehingga terjadi kekurangan sebesar 3,8 juta ton. Kesenjangan ini diperkirakan akan meningkat, dengan proyeksi permintaan mencapai 9,81 juta ton pada tahun 2030. Oleh karena itu, diperlukan solusi alternatif untuk meningkatkan produksi glukosa, terutama untuk kebutuhan industri dan energi terbarukan. Penelitian ini mengeksplorasi potensi Gracilaria sp., sejenis makroalga merah, sebagai bahan baku produksi glukosa menggunakan pelarut eutektik dalam (deep eutectic solvent/DES). Proses hidrolisis dilakukan dengan variasi konsentrasi DES (20%, 30%, 50%, dan 90%) pada suhu 60°C, 80°C, dan 100°C selama 60 menit. Hasil menunjukkan bahwa suhu optimal untuk produksi glukosa adalah 60°C. Konsentrasi DES paling efektif adalah 20%, yang menghasilkan glukosa sebesar 1,36%. Temuan ini menunjukkan bahwa Gracilaria sp. berpotensi menjadi sumber glukosa alternatif melalui metode pengolahan yang ramah lingkungan. Penelitian ini diharapkan dapat mendukung pengembangan teknologi berbasis makroalga untuk meningkatkan ketersediaan glukosa nasional dan mengurangi ketergantungan terhadap energi fosil.
Penentuan Formulasi Terbaik Pembuatan Sampo Kendaraan Berbahan Dasar Sisa Produk Sampo di Industri Sampo Fauzi, Muhammad Rezal Alfian; Hasannah, Cintiya Septa; Perdani, Meka Saima; Prajati, Gita
REACTOR: Journal of Research on Chemistry and Engineering Vol. 5 No. 1 (2024)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v5i1.122

Abstract

This research aims to process remaining shampoo products originating from the sampo industry into vehicle shampoo so that it has sales value and also has good quality. Determining the formulation for making this vehicle shampoo uses the trial and error method. After that, the variation data obtained will be tested through a pH test, density test, viscosity test, foam power test and corrosivity test. The results obtained are that the remaining variation data for the 25 mL shampoo product is the most optimal data because it meets the requirements for pH, density, viscosity and foaming test results. The results obtained from the variation data to make the best formulation were 47% remaining shampoo, 8% LAS, 8% NaCl (0.5 N), 8% NaOH (0.1 N), 0.4% Essense (Bubble Gum). %, and Aquadest 30%. This formulation produces a pH value of 7.18. Meanwhile, the density is 1.0257 g/cm3. The viscosity of this composition is 2.999 Pa.s. The stability of the foam power is 66,7% and the corrosion resistance test results get a value of 0.145655 mm/year or in the "Good" category in terms of corrosion resistance.
Analisis Perhitungan Nilai Efektivitas Kinerja Kondensor Pada Proses Penguapan di Pabrik Gula X Rahmatunnissa, Aulia; Hasannah, Cintiya Septa
Jurnal Teknologi Kimia Unimal Vol. 12 No. 2 (2023): Jurnal Teknologi Kimia Unimal - Nopember 2023
Publisher : Chemical Engineering Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jtku.v12i2.13247

Abstract

Perpindahan panas antar fluida sebaiknya berlangsung secara efisien. Oleh karena itu penukar kalor yang sudah dioperasikan harus dilakukan analisis mengenai kinerjanya, untuk mengetahui seberapa besar efektivitas dan efisiensi dari alat penukar kalor tersebut. Kinerja suatu alat penukar panas dapat dinilai dari besaran effectiveness (É›), dengan nilai berkisar antara 0 sampai dengan 1. Semakin tinggi nilai efektivitas suatu alat penukar panas maka kemampuan perpindahan panas alat penukar panas tersebut akan semakin baik. Metode yang paling sering digunakan untuk menghitung efektivitas atau efisiensi suatu penukar kalor yaitu metode Log Mean Temperature Difference (LMTD), namun jika data yang diketahui hanya berupa suhu masuk saja maka metode LMTD ini sulit untuk digunakan. Metode lain yang dapat digunakan yaitu metode Number Transfer of Unit (NTU). Metode NTU ini digunakan untuk mengetahui nilai efektivitas kondensor terhadap perubahan nilai tekanan vakum. Hasil dari metode ini adalah nilai efektivitas sebagai nilai efisiensi kondensor akibat kualitas dari perpindahan panas yang terjadi. Efektivitas penukar panas dapat memungkinkan penentuan laju perpindahan panas tanpa mengetahui suhu keluar fluida. Penukar panas yang digunakan berupa kondensor tipe barometrik. Nilai efektivitas panas dari kinerja kondensor pada stasiun penguapan Pabrik Gula X sebesar 95,775%. Faktor yang mengakibatkan turunnya efektivitas pada kondensor ialah menurunnya tingkat kevakuman pada kondensor. Menurunnya tingkat kevakuman di dalam kondensor diantaranya disebabkan oleh laju aliran air pendingin, temperatur air pendingin dan adanya gas-gas yang tidak terkondensasi maupun kebocoran pada pipa kondensor.   Kata kunci:Efektivitas, kondensor, penukar kalor, NTU
Calculating Mass Balance And Energy Balance In Finish Mill 6 (6zi) Type Opc Using Purified Gypsum Patimah, Sri; Hasannah, Cintiya Septa
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 1 (2024): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/Zenodo.10472212

Abstract

PT Semen Padang is the first cement factory in Indonesia which is located in Indarung, Padang, West Sumatra Province. The raw materials in the cement manufacturing process at PT Semen Padang use four main raw materials, namely, limestone, silica, clay and iron sand and additional raw materials such as gypsum and pozzolan. In general, the process of making cement at PT Semen Padang is divided into 5 stages, namely: the raw material supply and preparation stage, the raw material grinding stage (raw mix formation), the clinker formation stage (raw mix burning) the clinker grinding stage (cement manufacture) and the cement manufacturing stage. cement bagging. The total cement production capacity at PT Semen Padang from Indarung 1 to VI is 10,070,000 tons/year. PT Semen Padang's market share for marketing Portland Cement Type 1, Super Mansory Cement (SMC) and Portland Pozzolan Cement (PCC) products, namely in all provinces on the island of Sumatra, DKI Jakarta, Banten, West Java, Central Java, West Kalimantan and South Kalimantan.
Analisis Efisiensi Kinerja Heat Exchanger Tipe Shell and Tube Berdasarkan Parameter Laju Alir dan Fouling Factor Malani, Salwa; Hasannah, Cintiya Septa
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 2 (2024): Juli
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i2.4718

Abstract

The purpose of this study is to determine the results of the evaluation of shell and tube type heat exchanger performance efficiency based on flow rate parameters and fouling factors. In the evaluation of Heat Exchanger (HE-105) performance, two types of data collection were carried out, namely primary data collection used for basic analysis of Heat Exchanger (HE-105) performance evaluation at refinery facilities at PT X and secondary data collection was carried out as a calculation step in the evaluation of Heat Exchanger (HE-105) performance. The results showed that the actual average Rd (fouling factor) value of 0.0012 kcal/m2 hr C is which greater than the design Rd, this is due to the accumulated fouling. The average value of efficiency in the design is 98.41%, and the actual efficiency is 86.29%. The actual average efficiency value is smaller than the design average efficiency value, this is due to the influence of the high flow rate which causes the contact time between temperatures to decrease. However, the average efficiency value is still relatively high, indicating that the Heat Exchanger (HE-105) is still very feasible to use.
Co-Authors Aeni, Alfieta Rohmaful Akbari, Nuzulul Ardan Alayda, Vivi Rahma Alzena Yulianto, Raisa Syifa Fauzi, Muhammad Rezal Alfian Intan Permata Sari, Hanifah Madriyah Malani, Salwa Muryanto Muryanto, Muryanto Nainggolan, Delima Patimah, Sri Perdani, Meka Saima Prajati, Gita Rahmatunnissa, Aulia Suci, Farradina Choira Yanni Sudiyani YULIASARI, FITRI