Garuda - Garba Rujukan Digital

Pengaruh Penambahan Ekstrak Jeruk Purut (Cytrus hitrix D.C) Sebagai Koagulan Alami Terhadap Karakteristik Karet Wika Atro Auriyani; Feerzet Achmad; Deviany Deviany; Muhammad Ikhwan Ardian; Rizky Dimas Prasetyo; Aldillah Herlambang; Musa Musa
REACTOR: Journal of Research on Chemistry and Engineering Vol 4, No 1 (2023): Published in June 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v4i1.85

Natural rubber is a plantation commodity that has a significant role in the country's economy. This study aims to determine the effect of the natural coagulant extract of kaffir lime with centrifugation and non-centrifugation treatment on the coagulation process, pH and coagulation time, characteristics of rubber clone IRR 118 and comparison of the quality of rubber with 2% formic acid chemical coagulant. The volume of coagulant used was 75 mL mixed with 150 mL of latex, so that coagulation occurred and produced coagulum. Then the resulting coagulum is analyzed for the characteristics of the rubber to determine the quality of the rubber. Characteristic analysis carried out was Dry Rubber Content (DRC), Initial Plasticity (Po), Plasticity Retention Index (PRI), Mooney Viscosity, ash content, impurities content, volatile matter content, and nitrogen content. The results showed that the natural coagulant extract of kaffir lime could coagulate latex, lowering the pH of latex thereby speeding up coagulation time. From the rubber characteristic test using kaffir lime natural coagulant it complies with SNI 06-1903-2017 SIR 20. The quality of rubber produced from using kaffir lime natural coagulant extract as a coagulant can equate the quality of rubber produced by using 2% formic acid chemical coagulant, but coagulant The natural ingredients used have drawbacks, namely the availability of seasonal fruit, and the need for treatment before being used as a coagulant.

The Implementation of Rotary POC Technology for Organic Fertilizer Production in Tarahan Village, South Lampung Yunita Fahni; Andri Sanjaya; Mustafa; Desi Riana Saputri; Aldillah Herlambang
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 6 No. 4 (2023): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/abdimas.v6i4.4126

Tarahan Village is one of the larger villages in Katibung District, South Lampung. Despite not being classified as an agricultural region, Tarahan Village exhibits remarkable productivity in cultivating vegetables and fruits. So far, organic waste from fruits and vegetables has been discarded and burned or used only for animal feed. The large volume of unprocessed fruit and vegetable waste causes various problems for village residents, both directly and indirectly. Besides that, the village's intensive horticultural farming activities have encouraged the increased use of inorganic fertilizers. This pollutes the environment and harms the soil, organisms that live in the soil, and humans who consume these horticultural products. The application of liquid organic fertilizer, specifically POC, is deemed necessary to effectively address the issue of fruit and vegetable waste management while ensuring the quality of organic horticultural products. A composter is a suitable technology employed for the production of liquid fertilizer. Since oxygen is crucial for microorganisms in decomposing organic matter, the POC produced through the aerobic composting process will mature more quickly and not produce offensive odors. The goal of implementing this technology is to spread the word that garbage can be turned into something valuable if managed properly, leading to a cleaner community and more economic opportunities. The rotary POC technology scheme consists of a plastic drum that is supported by an iron structure. The drum is furnished with a rotating lever designed for the purpose of stirring, thereby facilitating the uniform mixing of organic material upon the addition of the bioactivator. The agitation of the solution facilitates the efficient execution of the aeration process. The equipment scheme has been developed with the aim of enhancing the effectiveness and efficiency of composting with regard to both time management and the quality of the final outcomes. This technology has the potential to be an alternative solution for dealing with household waste, and the product in the form of POC has the potential to reduce the use of inorganic fertilizers.

A Quantitative Risk Analysis Due to Leakage of Ammonia Storage Tank at PUSRI IIB Factory Aldillah Herlambang
Journal of Science, Technology, and Visual Culture Vol 3 No 2 (2023): Juli 2023
Publisher : Jurusan Teknologi Produksi dan Industri, Institut Teknologi Sumatera

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

Ammonia products in industry are usually stored in a cold state which is maintainedat a temperature of -33 C in a liquid state (refrigerated storage tank). One of thechemical industry companies that produces ammonia and has been established in themid-20th century is PT Pupuk Sriwijaya Palembang. One method that can be used topredict the scenario of an ammonia tank leak is by quantitative risk analysis. Thepurpose of this study is to identify the effect of the leakage of the ammonia storage tankat the Pusri IIB factory, calculate the concentration of ammonia scattered per unitdistance and calculate the distance affected by thermal radiation and toxic gases fromthe source of the leak, and compare the calculation results (manual) with the simulationresults with the device. ALOHA software. The tool used in the ALOHA simulation is alaptop with the following specifications: Lenovo Thinkpad T440p, Intel® CoreTM i5-400M, 8 GB RAM, 64-bit OS. The effects of ammonia storage tank leaks or accidentsdue to tank leaks that may occur after the ALOHA simulation are pool fire, BLEVE,toxic vapor cloud, and flammable area of vapor cloud. In scenario 1 for the impact ofpool fire thermal radiation (>10 kW/m2), the resulting red zone is 36 m. Probit analysisof the impact of pool fire was also carried out, with probit 1st degree burns it couldallow 261 people to be exposed at a distance of 45 meters and 14-16 people at adistance of 75 meters. For the BLEVE impact, the resulting red zone is up to 1.2 kmwith probit analysis of 1st degree burns in the dry season scenario, the possibility ofpeople being exposed is 9,007 people at a distance of 1,000 meters and 3,126-4,002people at a distance of 2,000 meters. While the spread of toxic gas (toxic vapor cloud),the red zone (ERPG-3) produced is 269 m. The worst impact for the occurrence of apool fire can reach 58 meters from the source of emission or tank leakage, BLEVEreaches 2.7 km, toxic area reaches 2.3 km, and flammable area reaches 60 meters. Therecommendations given in this study are checking the instruments on the tank,installing a lightning rod on the tank, and risk analysis is needed to anticipate tankleaks and avoid making densely populated settlements within 2 km of the ammoniatank.

THE EFFECT OF NATURAL PRESERVATIVE EXTRACTS ON THE PHYSICOCHEMICAL AND ANTIOXIDANT ACTIVITY OF COCONUT SAP Desi Riana Saputri; Yuniar Luthfia Listyadevi; Galeh Widharma; Ratih Ainun Mardiyah; Muhammad Triyogo Adiwibowo; Wika Atro Auriyani; Yunita Fahni; Damayanti Damayanti; Andri Sanjaya; Feerzet Achmad; Deviany Deviany; Aldillah Herlambang; Edwin Rizki Safitra
JURNAL INTEGRASI PROSES Vol 13, No 2 (2024)
Publisher : JURNAL INTEGRASI PROSES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jip.v13i2.25689

Coconut sap produced from coconut trees has a short shelf life due to contamination and undergoes natural fermentation. One way to extend the shelf life of coconut sap is by adding preservatives. This research aims to determine the effect of adding natural preservative extracts on the antioxidant value, pH, sugar, and alcohol content of coconut sap by adding natural preservatives. There are five samples: pure sap (NM); sap with sugar lime (NK); sap with sugar lime and cinnamon extract (NKM); sap with sugar lime and mango leaf extract (NDM); sap with sugar lime and noni leaf extract (NKD). The study was conducted by extracting natural preservatives, namely cinnamon extract, mango leaves extract, and noni leaves extract, using the maceration method. These natural preservative extracts were mixed with Ca(OH)2 in a 1:1 ratio and dissolved in distilled water. The mixture was then mixed with the sap. The results of the antioxidant test showed that the IC50 values of the NM, NK, NKM, NDM, and NKD samples were 52.911, 144.409, 26.043, 49.275, and 24.21 ppm, respectively. The highest pH value was found in the NK sample at 13.8, and the lowest in the NM sample at 3.8. The lowest sugar content was in the NM and NDK samples, with 10.6 and 14.6%. The highest alcohol content was found in the NK and NKD samples, with alcohol contents of 14.80% and 14.20%. This study shows that adding natural preservatives such as cinnamon, mango leaves, and noni leaves can increase the antioxidant activity of coconut sap, raise its pH, and maintain its sugar content to prevent it from being reduced to alcohol.

Pengaruh Variasi Volume Pelarut H2SO4 Terhadap Pencairan Sampah Plastik HDPE Dalam Reaktor Batch Okta Priadi; Alfernando, Oki; Lince Muis; Sarah Fiebrina Heraningsih; Feerzet Achmad; Aldillah Herlambang
Jurnal Redoks Vol. 9 No. 2 (2024): REDOKS JULI - DESEMBER
Publisher : Universitass PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/redoks.v9i2.15947

Penelitian ini bertujuan untuk mengetahui perbandingan rendemen minyak yang diperoleh dari limbah plastik HDPE dengan membandingkan bahan bakar minyak yang dihasilkan secara kuantitatif dan kualitatif. Pengolahan sampah plastik menggunakan proses pirolisis dilakukan dengan volume pelarut yang bervariasi (20%; 40%; 60%; 80%; 100%) yang dilakukan pirolisis selama 2 jam. Dalam suatu percobaan diperlukan 500 gram sampah plastik, 250 gram katalis dolomit dan % ml pelarut H2SO4 sesuai variasi. Penelitian ini dilaksanakan di Laboratorium SKL Jurusan Teknik Universitas Jambi dengan parameter yang diuji meliputi analisis volume, massa, %-yield, densitas dan GC-MS. Hasil penelitian menunjukkan bahwa secara kuantitatif volume, massa dan % rendemen terendah terdapat pada variasi volume 20%, dan tertinggi pada variasi volume 100%. Hasil pengujian sampel produk CHP pada variasi pelarut 100% menggunakan instrumen GC-MS menunjukkan bahan bakar jenis bensin dengan rantai karbon C5-C12 sebesar 79,72% dan senyawa aromatik yang terkandung didalamnya sebesar 12,62%. Bahan bakar yang dihasilkan sesuai standar SNI 3506-2017 dengan jenis bensin RN 88 yang mempunyai massa jenis 0,7600 gram/ml.

Pengaruh Variasi Volume Aspal Terhadap Pencairan Sampah Plastik High Density Polyethylene Menjadi Bahan Bakar Cair Menggunakan Katalis Dolomit pada Reaktor Batch: The Effect of Varying Asphalt Volume on the Melting of High Density Polyethylene Plastic Waste into Liquid Fuel Using a Dolomite Catalyst in a Batch Reactor Manurung, Pandapotan Maruli Tua; Alfernando, Oki; Muis, Lince; Heraningsih, Sarah Fiebrina; Achmad, Feerzet; Herlambang, Aldillah
Jurnal Engineering Vol. 6 No. 2 (2024): Volume 6, Nomor 2, 2024
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jurnalengineering.v6i2.35393

Penelitian ini untuk mengetahui perbandingan rendemen minyak yang diperoleh dari pengolahan sampah plastik HDPE dengan membandingkan secara kuantitatif dan kualitatif dari bahan bakar minyak yang dihasilkan. Adapun proses pengolahan sampah plastik menjadi minyak yaitu dengan proses pirolisis yang dilakukan pada variasi volume aspal (20%; 40%; 60%; 80%; 100%) selama 2 jam. Dalam satu kali percobaan, 500 gram sampah plastik HDPE, 250 gram katalis dolomit, dan berlangsung pada suhu 450C. Laboratorium Jurusan Teknik SKL Universitas Jambi merupakan tempat berlangsungnya penelitian ini. Penelitian dilakukan dengan parameter yang diuji meliputi analisis volume, massa, %-yield, densitas, dan GC-MS penelitian menunjukkan bahwa secara kuantitatif volume, massa, dan %-rendemen terendah terdapat pada variasi volume aspal 20%, dan tertinggi pada variasi volume aspal 100%. Pada variasi volume aspal 60%, densitas yang dihasilkan adalah 0,0240 gram/ml, dan hasil analisis GC-MS menghasilkan rantai karbon C5-C12 92,4800% (bensin), C13 > 7,5200% (minyak tanah), dan senyawa aromatik yang terkandung di dalamnya berjumlah sebesar 7,5200%.

Sosialisasi Aplikasi Penggunaan Pupuk Kompos: Strategi Meningkatkan Kesuburan Tanah di Kota Jambi Suryadri, Hadistya; Prabasari, Ira Galih; Heraningsih, Sarah Fiebrina; Alfernando, Oki; Mundarti, Sri; Sipayung, Rosmawati; Widyastuti, Nita; Lestary, Rara Ayu; Raudhatussya'rifah, Ra'ida; Herlambang, Aldillah; Amalia, Rahma
Pengabdian Cendekia Vol. 3 No. 1 (2025): Vol. 3 No 1 (Juni 2025) Membangun Kecendekian: Transformasi Melalui Pengabdian
Publisher : Indonesian Scholars Global Forum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63107/pk8kcp98

Kesuburan tanah yang menurun akibat penggunaan pupuk kimia secara berlebihan menjadi tantangan serius bagi petani di RT 10 dan 11 Kelurahan Tahtul Yaman, Kecamatan Pelayangan, Kota Jambi. Padahal, wilayah ini memiliki potensi besar berupa limbah organik rumah tangga dan limbah pertanian yang belum dimanfaatkan secara optimal sebagai bahan baku pupuk kompos. Urgensi kegiatan ini terletak pada perlunya solusi berkelanjutan yang ramah lingkungan dan ekonomis dalam pengelolaan kesuburan tanah. Tujuan dari kegiatan pengabdian ini adalah meningkatkan pengetahuan dan keterampilan masyarakat mengenai pembuatan serta pemanfaatan pupuk kompos sebagai alternatif pengganti pupuk kimia. Metode yang digunakan mencakup survei lapangan, sosialisasi materi, praktik langsung pembuatan pupuk kompos, dan diskusi partisipatif, yang dilaksanakan pada 19 Agustus 2024 dan melibatkan 20 warga. Hasil kegiatan menunjukkan peningkatan signifikan dalam pemahaman masyarakat tentang manfaat dan teknik pembuatan pupuk kompos, serta terbentuknya kelompok kerja lokal sebagai bentuk keberlanjutan program. Selain itu, kegiatan ini dapat menunjukkan bahwa edukasi teknis yang terintegrasi dengan praktik langsung dan pendekatan partisipatif mampu memberdayakan masyarakat dalam mengelola limbah organik dan meningkatkan kesuburan tanah secara berkelanjutan.

Pengaruh Penambahan Ekstrak Jeruk Purut (Cytrus hitrix D.C) Sebagai Koagulan Alami Terhadap Karakteristik Karet Auriyani, Wika Atro; Achmad, Feerzet; Deviany, Deviany; Ardian, Muhammad Ikhwan; Prasetyo, Rizky Dimas; Herlambang, Aldillah; Musa, Musa
REACTOR: Journal of Research on Chemistry and Engineering Vol. 4 No. 1 (2023)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v4i1.85

Natural rubber is a plantation commodity that has a significant role in the country's economy. This study aims to determine the effect of the natural coagulant extract of kaffir lime with centrifugation and non-centrifugation treatment on the coagulation process, pH and coagulation time, characteristics of rubber clone IRR 118 and comparison of the quality of rubber with 2% formic acid chemical coagulant. The volume of coagulant used was 75 mL mixed with 150 mL of latex, so that coagulation occurred and produced coagulum. Then the resulting coagulum is analyzed for the characteristics of the rubber to determine the quality of the rubber. Characteristic analysis carried out was Dry Rubber Content (DRC), Initial Plasticity (Po), Plasticity Retention Index (PRI), Mooney Viscosity, ash content, impurities content, volatile matter content, and nitrogen content. The results showed that the natural coagulant extract of kaffir lime could coagulate latex, lowering the pH of latex thereby speeding up coagulation time. From the rubber characteristic test using kaffir lime natural coagulant it complies with SNI 06-1903-2017 SIR 20. The quality of rubber produced from using kaffir lime natural coagulant extract as a coagulant can equate the quality of rubber produced by using 2% formic acid chemical coagulant, but coagulant The natural ingredients used have drawbacks, namely the availability of seasonal fruit, and the need for treatment before being used as a coagulant.

Produksi Karboksimetil Selulosa dari Nata De Coco dan Limbah Kertas Napitupulu, Lukas Fernando; Panjaitan, Jabosar Ronggur Hamonangan; Simanjuntak, Tiurmaida Gebryela; Herlambang, Aldillah; Yuniarti, Reni; Nury, Dennis Farina
Jurnal Tekno Insentif Vol 18 No 1 (2024): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v18i1.1388

Abstrak Limbah kertas dan nata de coco merupakan material yang mengandung selulosa. Selulosa yang terdapat pada limbah kertas dan nata de coco dapat dimanfaatkan untuk memproduksi produk dengan nilai jual tinggi yaitu karboksimetil selulosa (CMC). Pada penelitian ini diteliti produksi CMC dari limbah kertas dan nata de coco serta membandingkan nilai derajat subsitusi (DS) yang dihasilkan nya. Berdasarkan penelitian yang telah dilakukan diperoleh bahwa CMC dari nata de coco memiliki derajat subsitusi tertinggi yaitu 0,661 dengan konsentrasi NaOH dan natrium monokloroasetat (NaMCA) yang digunakan sebesar 20% dan 16 gram. Sedangkan CMC dari bahan baku limbah kertas memiliki derajat subsitusi terendah yaitu 0,066 dengan konsentrasi NaOH dan NaMCA yang digunakan sebesar 10% dan 10 gram. Konsentrasi NaOH dan NaMCA mempengaruhi nilai DS CMC, dimana semakin tinggi konsentrasi NaOH dan NaMCA yang digunakan akan menghasilkan nilai DS CMC yang tinggi. Pada penelitian ini diperoleh nilai DS CMC nata de coco lebih tinggi dibandingkan dengan DS CMC limbah kertas. Nilai DS pada CMC dapat diperoleh maksimal dengan adanya proses pretreatment bahan baku dan optimasi jumlah NaOH dan NaMCA pada proses produksi CMC. Abstract Paper waste and nata de coco contain cellulose. The cellulose which found in paper waste and nata de coco can be used to produce products with high selling value, namely carboxymethyl cellulose (CMC). In this research, CMC production from paper waste and nata de coco was examined and the value of degree of substitution (DS) produced was compared. Based on research that has been carried out, it was found that CMC from nata de coco had the highest DS, namely 0.661 with NaOH and sodium monochloroacetate (NaMCA) concentration used were 20% and 16 grams. Meanwhile, CMC from paper waste raw had the lowest DS, namely 0.066 with NaOH and NaMCA concentration used were 10% and 10 grams. The concentration of NaOH and NaMCA affects the DS CMC value, where higher NaOH and NaMCA concentration used will produce higher DS CMC value. In this study, the DS CMC of nata de coco was higher than the DS CMC of paper waste. The maximum DS value in CMC can be obtained by raw materials pretreatment and optimizing the amount of NaOH and NaMCA in the CMC production process.

Sintesis dan Karakterisasi Minyak Pirolisis Dari Sampah Kantong Plastik LDPE Menggunakan Reaktor Batch Sederhana Saputra, Andri; Iswahyuni; Herlambang, Aldillah
Journal of Energy, Materials, & Manufacturing Technology Vol 3 No 01 (2024): Journal of Energy, Materials, & Manufacturing Technology
Publisher : Unit Penelitian, dan Pengabdian Masyarakat (UPPM) Politeknik ATI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61844/jemmtec.v3i01.713

Meningkatnya penggunaan kantong plastik LDPE (Low Density Polyethylene) dalam kehidupan sehari-hari mengakibatkan peningkatan sampah kantong plastik dan dampak negatif yang ditimbulkannya. Penelitian ini bertujuan untuk mensintesis dan mengkarakterisasi minyak pirolisis dari sampah kantong plastik LDPE menggunakan reactor batch sederhana. Sampah kantong plastik LDPE disintesis dalam reaktor pirolisis sederhana yang menggunakan bahan bakar dari gas LPG (Liquified Petroleum Gas) yang beroperasi pada suhu 150oC dan tekanan atmosfir selama 55 menit. Hasil penelitian menunjukkan bahwa minyak pirolisis yang dihasilkan sebanyak 184 mL dengan yield proses sebesar 36,75%. Minyak pirolisis memiliki pH 5, berwarna kuning, dan berbau menyengat khas aromatik dengan densitas sebesar 786 kg/m3 dan viskositas 0,75 cP. Hasil uji FTIR menyatakan bahwa minyak pirolisis mengadung senyawa alkana dan alkena yang kualitas densitas dan viskositasnya sudah melewati minyak tanah dan mendekati kualitas minyak premium sehingga bisa dijadikan bahan bakar alternatif.

Title

Found 10 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 10 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 10 Documents
Search