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Padil Padil
Jurusan Teknik Kimia, Fakultas Teknik Universitas Riau
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Kultivasi Mikroalga Menggunakan Media Af6 Berdasarkan Perbedaan Volume Solution A Media Af6 Febrina Adelina Sigalingging; Padil Padil; Sri Rezeki Muria
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Microalgae are microscopic plant organisms that live in waters. Nutrition is one of the important factors for the growth of microalgae. Optimization of nutrition is expected to increase the growth of microalgae. In cultivating laboratory scale microalgae, AF6 media is used as a source of nutrition. One stock of AF6 media material is solution A contains lots of nitrogen. This research purpose for determining the effect of the difference in volume of AF6 media solution A on growth rate and doubling time of various microalgae cultivated in AF6 media. In this research observations of cell density microalgae Chlorella sp. (6) and Chlamydomonas sp. (4, 5, 19, chl) on the volume of solution A media AF6 2, 3 and 4 ml were carried out by UV-VIS spectrophotometer with a wavelength of 680 nm. The results showed that specific growth rate highest and shortest doubling time occurs on the addition of a volume of 4 ml of solution A AF6 media. Microalgae that have a highest specific growth rate and shortest doubling time are Chlamydomonas sp. Microalgae. (19) 0.91/day and 0.75/day, respectively. Therefore, microalgae Chlamydomonas sp. (19) can be cultivated on a commercial scale to be processed into the products we want.Keywords: lipids, microalgae, AF6 media, optical density, solution A
Prarancangan Pabrik 1-Hexana Dari Etilen Menggunakan Proses Alphahexol Dengan Disain Alat Utama Reaktor Oligomerisasi Priska Tantino; Padil Padil
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

1-Hexene is a raw material in plastic production and classified as a linear alpha olefin compound. This compound is used as a co-monomer in the production of polyethylene, manufacture of lubricants, manufacture of surfactants and alcohol. The use of 1-hexene in the production of High-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) is one of the co-monomers. The need for 1-hexana in Indonesia is increasing over time, but in Indonesia there is no factory that produces 1-hexene. Therefore, the need for 1hexene has increased significantly in 2018. The increasing need for imports will reduce the source of foreign exchange for the country. So that the establishment of the 1-hexene plant can reduce the need for imports and can increase the country's foreign exchange. The location of the 1-hexana factory is planned to be in the RU II Dumai industrial area with a factory capacity of 100,000 tons / year. The main design is an oligomerization reactor (R101) which functions to react ethylene by trimerizing to 1-hexene with a 1-octene as a byproduct. The type of reactor used is a stirred tank flow reactor. The operating conditions in the reactor were 423.15 K and 30 bar. Plant economic analysis is carried out to determine the feasibility of the factory to be built. Based on the results of the economic feasibility analysis of the factory, the 1-hexana plant is feasible to build with a PBB of 2 years, an IRR of 22.7433%, an ROI of 39.388%, and a BEP of 54%.  Keywords: 1-Hexene,  Alphahexol, Analysis economic feasibility of plant, Ethylene.
Proses Pemurnian Selulosa Pelepah Sawit Sebagai Bahan Baku Nitrolesulosa Dengan Variasi pH Dan Konsentrasi H2O2 Rianto Harpendi; Padil Padil; Yelmida Yelmida
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

One of the raw materials for propellant or explosive double base type is nitrocellulose. Availability of cellulose which is the main component of biomass is very abundant in Indonesia, particularly solid waste palm oil industry. With cellulose content of 34.89%, palm midrib is one solid waste palm with potential to be used as the main raw material cellulose. Purity cellulose levels that must be achieved to produce nitrocellulose propellant as raw material is more than 92%. So as to improve the purity of the cellulose in the palm midrib must be purified using hydrogen peroxide, which is initiated by the hydrolysis with EFB ash extract. Hydrogen peroxide is a chemical that can be used for the bleaching process, because this compound is more environmentally friendly than chlorine. The purpose of this is to obtain the best conditions to obtain cellulose purity of more than 92%. The bleaching process is done by varying the concentration of hydrogen peroxide (1%, 2%, 3%, 4%, 5%) and pH (8, 9, 10, 11, 12). Pulp composition analysis of purified cellulose. Obtained the best process conditions is the concentration of 3% hydrogen peroxide and pH 9 with 95.11% purity cellulose.  Keywords :  Palm Midrib, Bleaching, Hydrogen Peroxide, Cellulose
PARADIGMA BARU PENGABDIAN KEPADA MASYARAKAT YANG BERKELANJUTAN Padil Padil; Titi Antin
Jurnal Pengabdian Masyarakat Multidisiplin Vol 1 No 2 (2018): Februari
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (132.815 KB) | DOI: 10.36341/jpm.v1i2.420

Abstract

This article aims to describe a new paradigm of sustainable community service. The background is the phenomenon is that there is no mutualism symbiosis of various parties and the key actors of empowerment in fulfilling the needs, challenges, and implementation of the community, either directly or indirectly. The method used in this article is literature studies and from various experiences of the author in doing community service. To run and understand the new paradigm of community service, there are at least three models that can be used, namely triple helix, quadruple helix, and quintuple helix. The dynamics of community empowerment require innovations that support sustainable development. The quintuple helix model is relevant for viewing current and future conditions.
PEMBERDAYAAN MASYARAKAT DENGAN KONSEP KAWASAN EKONOMI MASYARAKAT (KEM) PADA LAHAN GAMBUT DI KAMPUNG BANTALAN, KECAMATAN TEMBILAHAN, KABUPATEN INDRAGIRI HILIR, RIAU [COMMUNITY EMPOWERMENT WITH THE CONCEPT OF COMMUNITY ECONOMIC ZONE (KEM) ON THE PEATLAND IN KAMPUNG BANTALAN, TEMBILAHAN DISTRICT, INDRAGIRI REGENCY, RIAU] Padil Padil; Yuslizar -; Rikawati -; Titi Antin
Jurnal Sinergitas PKM & CSR Vol 2, No 2 (2018): April
Publisher : Universitas Pelita Harapan

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Abstract

The era of globalization continues to press the poor with lower levels of economic life. Therefore, FLipMAS Batobo with FLipMAS Indonesia and CSR-SMEPP Pertamina (Persero) conduct an analysis approach, strategy that can be implemented to eliminate poverty. One of the strategies undertaken is the empowerment of society with the concept of Community Economic Area (KEM). After conducting survey and location analysis, Kampung Bantalan, Tembilahan Seberang Sub-district, Indragiri Hilir Regency became one of the locations of empowerment called KEM Pertamina Flip Bantalan. The empowerment activities began in December 2014 and the investment process was completed in June 2017 on a land area of ± 6 Ha which then expanded to ± 20 Ha. Programs implemented in KEM Bantalan include infrastructure development such as guard houses, water sources and lighting sources of KEM (PLTS) areas. The fields that activities include agriculture (chili, gambas, eggplant, long bean,), fishery (catfish cultivation, indigo) and plantation (citrus, watermelon, banana, coconut). After almost 3 years the value of IPM of KEM Bantalan population increased by ± 40% from the IPM value of early December 2014 period of 49.89 (low category) to 79.69 (middle and upper category) in the period of March 2017. And up to December 2017, Bantalan has reached Rp. 475.581.100, -. This value will continue to grow considering the area of KEM is still productive.
Pemberdayaan Masyarakat pada Lahan Marjinal Dengan Konsep Kawasan (Studi Kasus Kelurahan Batu Bersurat, Kabupaten Kampar dan Kampung Bantalan, Kabupaten Indragiri Hilir, Propinsi Riau) Padil Padil; Monita Olivia
Jurnal Sinergitas PKM & CSR Vol 1, No 1 (2016): October
Publisher : Universitas Pelita Harapan

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Abstract

Abstract A cooperation between higher education institution, industry and local government is important to overcome problems in rural poor areas through empowerment and financial support for various programmes to increase competencies and welfare of poor farmers. In this paper, an example of the cooperation is a development of Kawasan Ekonomi Masyarakat (KEM) Kelurahan Batu Bersurat and Kampung Bantalan Propinsi Riau in 2014-2016 through Corporate Social Responsibility and Small Medium Enterpreneur and Partnership Program (CSR & SMEPP) PT Pertamina with Forum Layanan Iptek untuk Masyarakat (FLipMAS) Batobo Wilayah Riau-Kepulauan Riau and local governments. The empowerment program that has been carried out was a development of marginal lands at both KEM for agriculture, freshwater fishery and animal husbandry, such as chili cultivation, patin fish cultivation and Balinese cow husbandry. A mentoring strategy by FLipMAS BATOBO at both KEM generally comprises principles of empowering society, group, networking, and sustainability. The results of effective mentoring showed an increase of the farmer’s income to more than 80% from the initial condition, and a change of farmers character that is willing to help poor people and orphans in their areas. This could indicate an achievement of the cooperation between the institution, industry and government in empowering society in rural poor areas. Keywords:  agriculture, cooperation, cultivation, empowerment, marginal, rural poor areasAbstrak Sinergi antara institusi Pendidikan Tinggi, industri dan pemerintah daerah dalam mengatasi permasalahan di bidang perekonomian masyarakat tertinggal dapat diwujudkan melalui pendampingan dan dukungan dana pada program-program pemberdayaan di berbagai sektor guna meningkatkan kesejahteraan dan kemampuan masyarakat. Salah satu contoh sinergi tersebut adalah pembentukan Kawasan Ekonomi Masyarakat (KEM) Kelurahan Batu Bersurat dan Kampung Bantalan Propinsi Riau pada tahun 2014-2016 melalui program Corporate Social Responsibility and Small Medium Enterpreneur and Partnership Program (CSR & SMEPP) PT Pertamina bekerjasama dengan Forum Layanan Iptek untuk Masyarakat (FLipMAS) Batobo Wilayah Riau-Kepulauan Riau dan pemerintah setempat. Pemberdayaan masyarakat yang dilakukan berupa pengembangan lahan marjinal di kedua KEM tersebut untuk sektor pertanian, perikanan dan peternakan seperti budidaya cabe, budidaya ikan patin dan budidaya sapi Bali. Strategi pendampingan yang dilakukan oleh FLipMAS BATOBO di kedua KEM pada dasarnya meliputi prinsip keswadayaan masyarakat, prinsip berkelompok, prinsip kerja jaringan dan prinsip berkelanjutan. Efektivitas pendampingan dari aspek ekonomi menunjukkan adanya peningkatan pendapatan masyarakat lebih dari 80% dari kondisi awal dan perubahan karakter masyarakat yang berpartisipasi membantu warga miskin dan anak yatim di sekitarnya. Hal ini dapat mengindikasikan keberhasilan sinergi institusi, industri dan pemerintah daerah dalam pemberdayaan masyarakat miskin di daerah tertinggal.Kata kunci:  budidaya, kawasan miskin, marjinal, pemberdayaan, pertanian, sinergi
Pengaruh Penambahan Arang Pelepah Sawit terhadap Sifat Mekanik Batu Bata Merah Cory Dian Alfarisi; Padil Padil; Drastinawati Drastinawati; Wisrayetti Wisrayetti; Nurfatihayati Nurfatihayati; Yelmida A
Jurnal Ilmiah Biosaintropis (Bioscience-Tropic) Vol 8 No 2 (2023): Januari 2023
Publisher : Fakultas Matematika & Ilmu Pengetahuan Alam - Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/e-jbst.v8i2.498

Abstract

Brick is a building material that is often used for residential walls. The bricks in this study were bricks with the addition of palm frond charcoal in the manufacturing process. The aims of this study were (1) to determine the effect of adding palm stem charcoal on the manufacture of red bricks in terms of compressive strength, water absorption (Suction rate) and apparent density (apparent density). (2) Comparing the test results with the SNI 15-2094-2000 standard. The manufacture of experimental bricks begins with adding clay with pulverized palm frond charcoal in a ratio of 100:0, 95:5, 90:10, 85:15 and 80:20, then molded, dried, burned and tested for new mechanical properties. brick. In this study, the compressive strength of bricks that enter class 100 is a ratio of 100:0 and 95:5 namely 11.75 Mpa and 10.10 Mpa, then bricks grade 50 is a ratio of 90:10 and 85:15 which is 8.08 Mpa and 6.27 Mpa. The water absorption capacity of bricks that meet the requirements of SNI 15-2094-2000 is a ratio of 100:0 and 95:5, namely 18.65% and 19.74%. The apparent density of bricks that meet the requirements of SNI 15-2094-2000 are the ratios of 100:0, 95:5, 90:10 and 85:15, which are 1.63 g/cm3, 1.54 g/cm3, 1,37 g/cm3 and 1.24 g/cm3. Bricks that meet the standards and are recommended as masonry bricks are bricks with a ratio of 95:5.
Analisa Spesifikasi Fluff, Pellet, dan Bricket Pelepah Kelapa Sawit sebagai Biomassa Co-firing untuk Pembangkit Listrik Ari Aditia Sukma Sukma; Padil; Ahmad Fadli
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 4 No 1 (2023): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Jurusan Teknik Kimia, Fakultas Teknik, UNRI

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Abstract

The abundance of palm frond waste in Indonesia makes it an ideal source as co-firing material to increase renewable energy consumption. Therefore, it is necessary to determine whether oil palm fronds in the form of fluff, pellets, and brickets can be used as co-firing fuel. This study also aims to see whether there are differences in the potential of hard and soft palm fronds as solid fuel for power plants, as well as to calculate its slagging and fouling risk. Palm fronds was dried and reduced in sized using a wood chipper then sifted with a 20 mesh sieve to obtain palm frond fluff, then the fluff was mixed with 22% tapioca adhesive (weight ratio of 20% of the biomass) to be molded into pellet. Meanwhile, wood brickets was prepared by pyrolyzing the hard fronds (T= 550oC, t= 5 min) and mixing the charcoal obtained with 22% tapioca adhesive (weight ratio of 30% of the biomass). From the results of the analysis carried out, it is known that palm frond bricket provides the best results with an NCV value of 7095 cal/g. On the other side, both hard frond fluff and soft frond fluff contains the same sulfur content (0.06%), thus the difference in using hard or soft fronds as co-firing fuel does not have much effect. Furthermore, based on the analysis of potential slagging and fouling, all types of oil palm frond samples studied are shown to have a low to medium risk level.
Pengaruh Suhu dan Kelembaban terhadap Produktivitas Jamur Tiram Eteruddin, Hamzah; Padil; Dini, Isna Rahma; Huda, Feblil; Febrizal
JURNAL TEKNIK Vol. 18 No. 2 (2024): Edisi Oktober 2024
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v18i2.23256

Abstract

Indonesia is one of the countries that has various types of mushrooms, both those that are edible and those that are not. One type of edible mushroom is the oyster mushroom. In its growth, oyster mushrooms are greatly influenced by the temperature and humidity in the mushroom house. The purpose of this research is to determine the effect of temperature and humidity on mushroom productivity and to identify the optimal temperature and humidity for mushroom growth. The research method involved measuring temperature and humidity in the morning, afternoon, evening, and night every day for 2 months, namely June and July 2024. The temperature and humidity data collected were the daily averages. After obtaining the average daily temperature and humidity data, the next step was to observe the shape and color of the oyster mushrooms and collect data on the number of mushrooms obtained each day for 2 months. From the data analysis, it was found that the oyster mushrooms hardened and turned yellow when the temperature and humidity were unstable for mushroom growth. The optimal average temperature and humidity were 27°C and 82%, with the number of mushrooms obtained being 55kg/day.
Perbandingan Performa Antara Treatment Hydrochloric Acid dan Carboxylic Acid Terhadap Kenaikan Produksi pada Sumur Minyak Berat Itsnaini, Hafizh; Sunarno, Sunarno; Padil, Padil
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 1 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.1.11-18

Abstract

Duri steam flood is the largest hot steam injection project in Indonesia, facing challenges in preventing production declines. Objective project is showed decrease in production due to crustal deposition (scale). The Stiff and Davis method shows a Stability Index of 1.43, with a tendency for scale formation, especially CaCO3, in accordance with the Ryznar method. Increasing the production of x, yz layer wells in the Duri field, designing acidification stimulation with a pumping pressure of 400 psi, an injection rate of 2 bbl/minute and an acid volume of 600 gallons, after that comparing the performance of hydrochloric acid and carboxylic acid. Analysis showed that hydrochloric stimulation resulted in a significant increase in production of 115 BFPD / 8 BOPD (42% increase), while carboxylate stimulation showed a slower increase of 40 BFPD / 3 BOPD (24% increase). An economic evaluation shows chloride acidification produces an annual NPV gain of $48,002, compared to carboxylate acidification with an annual NPV gain of $22,554. Thus, chloride acidification proved to be economically profitable for the x, yz layers in the Duri field. This study highlights optimal acid stimulation strategies to mitigate scale-related production challenges in steam flood projects.
Co-Authors Ahmad Fadli Al'farisi, Cory Dian Alfarisi, Cory Dian Amir Awaluddin Ari Aditia Sukma Sukma Caesari Caesari Drastinawati Drastinawati Feblil Huda Febrina Adelina Sigalingging Febrizal Ujang Hamzah Eteruddin Isna Rahma Dini Itsnaini, Hafizh Jelizanur Jelizanur Monita Olivia Muslikhin Hidayat Nova Diyana Nurhanifah Nurfatihayati Priska Tantino Putri M F Rianto Harpendi Rikawati - Rina Sri Kasiamdari Saragih E Sari D. P Siti Syamsiah Siti Syamsiah Slamet Wahyuningsih Sri Rezeki Muria Sunarno Sunarno Titi Antin Wisrayetti Wisrayetti Yelmida Azis Yuslizar -