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All Journal AQUATIC SCIENCE & MANAGEMENT Jurnal Lahan Suboptimal Jurnal Teknik ITS Industrial Engineering Online Journal Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Penelitian Sains Jurnal Pendidikan Kimia (JPKim) Indonesian Journal of Chemistry JURNAL PERTANIAN JURNAL AGRONIDA Molekul: Jurnal Ilmiah Kimia Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin Asean Journal of Science and Engineering (AJSE) Didaktika Religia Jurnal Ilmiah Pangan Halal Karimah Tauhid Jurnal Ilmu Sosial dan Humaniora ASEAN Journal for Science and Engineering in Materials
Fanani, Muhammad Zainal
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Analysis of bioeconomical and effectiveness of capture tuna fishery in coastal area of Sendang Biru, Malang, East Java Province Fanani, M Zainal; Jamil, Khairul
AQUATIC SCIENCE & MANAGEMENT Edisi Khusus 1 (2013): Mei
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jasm.0.0.2013.2280

Abstract

Tuna (Thunnus sp.) need to be managed well by maintaining balance between economic aspect (profits) and ecological aspect (sustainability of fish resources). To maintain balance these aspect to do with bioeconomical analysis. With these analysis be expected can be obtained maximum economic profits without any damage fish resources so that environmental conservation stay awake. In order to analyze the bioeconomical is needed to estimate the stock assessment. The first step is standardization of fishing gear, this need to be done because each of fishing gear not only catch the target fish but also catch the non target fish (multi gear multi spesies). Of the research be obtained standard gear for tuna fishery in Sendang Biru water are trolling line, with maximum value between payang, hand line and gillnet. Status of tuna fishery from biological aspect in Sendang Biru water by Schaefer model in general medium fishing condition. Whereas status of tuna fishery from economic aspect by Schaefer model in over exploited. Of the research by multi criteria decision making (MCDM) analysis with simple multi attribute rating technique (SMART) and visual interactive sensitivity analysis (VISA) obtainable that the main priority in election of tuna fishing gear evectively and efficient are trolling line, paying, hand line and gillnet© Perikanan tuna perlu dikelola dengan baik dengan cara menjaga keseimbangan antara aspek ekonomi (keuntungan) dan aspek ekologi (kelestarian sumberdaya ikan). Untuk menjaga keseimbangan aspek-aspek tersebut, dapat dilakukan dengan analisis bioekonomi. Dengan analisis ini diharapkan dapat diperoleh keuntungan ekonomi yang maksimum tanpa disertai kerusakan sumberdaya ikan sehingga konservasi lingkungan tetap terjaga. Dalam rangka menganalisa bioekonomi perlu dilakukan pendugaan stok ikan (‘stock assessment’). Langkah awal adalah standarisasi alat tangkap, hal ini perlu dilakukan karena setiap alat tangkap tidak hanya menangkap ikan target tapi juga menangkap ikan non target (‘multi gear multi spesies’). Dari hasil penelitian didapat alat tangkap standar untuk perikanan tuna di perairan Sendang Biru adalah pancing tonda dengan nilai porsi terbesar diantara alat tangkap payang, pancing tangan dan ‘gillnet’. Status perikanan tuna dari aspek biologi di perairan Sendang Biru menurut model Schaefer secara umum dalam kondisi ‘medium fishing’. Sedangkan status perikanan tuna secara ekonomi menurut model Schaefer dalam kondisi ‘over exploited’. Dari hasil analisis multi ‘criteria decision making’ (MCDM) dengan teknik ‘simple multi attribute rating technique’ (SMART) dan teknik ‘visual interactive sensitivity analysis’ (VISA) diperoleh bahwa prioritas yang utama dalam pemilihan alat tangkap tuna secara efektif dan efisien adalah pancing tonda, payang, pancing tangan dan gillnet©
Uji Kualitas Sabun Padat Transparan Dari Minyak Kelapa Dan Minyak Kelapa Sawit Dengan Antioksidan Ekstrak Likopen Buah Tomat Zainal Fanani; Almunady T. Panagan; Novita Apriyani
Jurnal Penelitian Sains Vol 22, No 3 (2020)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (164.915 KB) | DOI: 10.56064/jps.v22i3.600

Abstract

Increasing population growth causes demand for daily necessities to increase as well, one of which is soap, because almost all humans use soap to wash and clean themselves. The purpose of this reseacrh was to determine the optimum ratio of coconut oil and palm oil to produce the best transparent solid soap and tomato lycopene extract added to maximize the benefits of the soap. Characterization includes water content, total fat, insoluble material in ethanol, free alkali, free fatty acids, non-soaped fats, pH, foam stability, and antioxidant activity from lycopene. The best result was soap with ratio of coconut oil and palm oil 1: 0. The resulting soap has a high transparency, smooth foam, water content of 3.546%, foam stability of 96%, and pH of 10. Soap accordance with SNI3532-2016, except the unsaponifiables fat.  The analysis results obtained water content of 3.486%, total fat of 73.616%, insoluble material in ethanol of 1.2%, free fatty acid of 0.564%, negative free alkali, unsaponifiables fat of 0.7294% and Lycopene antioxidant activity of 54.85 µg/mL.
Studi Pengaruh Derajat Kemiringan Tool Head Terhadap Hasil Pengelasan Friction Stir Welding (FSW) Muhamad Leon Habibi; Muhamad Zainal Fanani
Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin Vol 10 No 3 (2020): Teknobiz
Publisher : Magister Teknik Mesin Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/teknobiz.v10i3.1757

Abstract

Aluminum and its alloys are non-ferrous metals which are widely used in the shipping industry because aluminum is a lightweight metal, has a relatively high tensile strength and good corrosion resistance. Friction-stir Welding (FSW) is a welding that is widely used on thin aluminum plates. The heat input of the FSW welding is affected by the degree of tilt of the head tool to the material. This study aims to determine the optimal degree of slope in FSW welding. The parameters used in this study are 1500 rpm rotational speed, 1.33 mm / s welding speed with the same material thickness of 4mm and the type of connection used by lap joint refers to the AWS standard. In this study, the tool head tilt variation is 0o, 1o, 2o and 3o and the effect on the welding results. The results of the study show that welding with a slope angle of 0 ° and 1 shows visible defects or undercut defects caused by overheating when welding. The results of welding with a degree of slope 2 show the results of welding is good at the beginning of welding, but in the middle of welding visible defect undercut. Tilt angle welding shows the best results with no visible defects due to welding. The results showed that visually the results of welding with a slope angle 3 degree had the best results. This was due to the heat input on the welding with the head tool tilt not excessive so there was no visual defect.
Degradasi Tanah Lahan Suboptimal oleh Bacillus mycoides Indigenous dan Kinetika Reaksinya Zainal Fanani; Bambang Yudhono; Veriana Romarito Situmorang
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 1 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.399 KB) | DOI: 10.33230/JLSO.3.1.2014.112

Abstract

Research about degradation soil of suboptimal land from Lilin River PERTAMINA Musi Banyuasin Regency, South Sumatera have been done. The aim of this research is knowing the capability of Bacillus mycoides on degradation petroleum hydrocarbon. The measurement of first sludge TPH was 71.1567%. First TPH was become more liquid than before on 5; 7.5; 10; 12.5 and 15% with fresh soil, bulking agent and Bacillus mycoides was added 10% from medium total weight. Incubation for 14 days gives result decreasing TPH on each medium become 2.3679; 4.5123; 5.9070; 6.0223 and 8.0010% which is first order reaction. Medium 10% on incubation day 14th; 17th; 22nd; 26th and 31st. On continue, decreasing TPH is 5.9070; 4.5970; 4.0463; 3.7230 and 3.29% with constant rate reaction on 0.0361 /day. GC-MS result sample analysis shows that Bacillus mycoides have an ability to degradation C19H40; C21H44; C24H50 and C28H58 with percentage of concentrate decreasing from those compound is 99.32%.
Studi Eksperimen Pengaruh Ukuran Partikel Batubara Pada Swirling Fluidized Bed Dryer Terhadap Karakteristik Pengeringan Batubara Zainal Fanani; Prabowo Prabowo
Jurnal Teknik ITS Vol 3, No 1 (2014)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.572 KB) | DOI: 10.12962/j23373539.v3i1.5847

Abstract

Desain suatu PLTU salah satunya dibuat berdasarkan kualitas batubara yang akan digunakan sebagai bahan bakar. Pada PLTU batubara dibakar didalam boiler, didalam boiler terdapat pulverizer yang berfungsi untuk menghaluskan batubara dan menambah pasokan batubara kedalam boiler jika batubara didalam boiler memiliki nilai heating value rendah. Dengan menggunakan batubara dengan kualitas rendah maka suplai batubara yang dibutuhkan untuk memanaskan boiler  akan semakin banyak, hal ini bisa mengakibatkan kerja dari pulverizer akan semakin berat. Indonesia sendiri merupakan salah satu negara penghasil batubara terbersa didunia. Namun hampir 80% batubara yang dihasilkan tergolong batubara rendah dan sedang [1] . Untuk meningkatkan nilai kalor batubara perlu dilakukan pengeringan untuk mengurangi kadar air dalam batubara. Eksperimen dilakukan dengan mengeringkan batubara didalam chamber dengan temperature udara 550C, sudut blade 200 dan massa pengeringan sebanyak 600gram, variasi ukuran partikel batubara 5mm, 10mm, 15mm. Pengambilan data dilakukan dengan menimbang berat batubara setiap satu menit sebanyak 5 kali  , dua menit sebanyak 3 kali, dan lima menit sebanyak 4 kali. Data yang diperoleh berupa relative humidity udara, temperature udara, berat sampel basah dan berat sampel kering. Pengambilan data berat sampel kering dilakukan berdasarkan standart ASTM D5142 dengan pengeringan pada temperatur 1050C selama 3 jam. Dari hasil eksperimen didapat bahwa proses pelepasan massa uap air paling banyak terjadi pada lima menit pertama yang ditandai dengan penurunan moisture content paling besar. Pada partikel batubara ukuran 5mm,10mm,15mm didapat moisture content terendah berturut-turut sebesar  6,48 %, 7,66 %, 7,47 %. Untuk laju pengeringan didapat nilai terendah berturut-turut sebesar 0,062 gram/menit, 0,104 gram/menit, 0,023 gram/menit,  sedangkan selisih humidity ratio ( ɷ2-ɷ1 ) didapat nilai terendah berturut turut sebesar 0,0072gram/kg dry air, 0,0713 gram/kg dry air, 0,1372 gram/kgdry air.
REDUKSI WASTE UNTUK MEMINIMASI MANUFACTURING CYCLE TIME MELALUI PERANCANGAN KESEIMBANGAN LINTASAN DAN STASIUN KERJA (Studi Kasus PT.Inti Sukses Garmindo) Jeffry Pane; Zainal Fanani; Dyah Ika Rinawati
Industrial Engineering Online Journal Volume 1, Nomer 3, Tahun 2012
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Diponegoro

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

Abstract

PT. Inti Sukses Garmindo merupakan perusahaan yang bergerak di bidang garment memproduksi berbagai macam jenis pakainan baik celana maupun baju dengan pangsa pasar dalam negeri dan luar negeri. Fokus penelitian ini adalah produksi celana.     Agar dapat bersaing dengan perusahaan  garment lainnya , perusahaan harus  meningkatkan produktivitasnya  untuk dapat memenuhi permintaan konsumen  tepat waktu. Saat ini masih terdapat banyaknya pemborosan  yang terjadi pada lantai produksi yang berpotensi memperpanjang manufacturing cycle time (MCT) yang bermuara kepada penurunan kapasitas produksi perusahaan. Oleh karena itu, penelitian ini dilakukan untuk mengurangi pemborosan-pemborosan tersebut. Penelitian ini difokuskan pada departemen sewing karena merupakan departemen yang memiliki produktivitas paling rendah. Dengan menggunakan pendekatan lean yaitu process activity mapping (APM) teridentifikasi empat jenis waste yang memiliki bobot persentase terbesar yang diyakini sebagai pemicu rendahnya produktivitas. Yaitu waiting waste sebanyak 42,47%, transportation 33,38%,  underutilize people 12,73 %, dan unnecessary motion 11,43 %. Usulan perbaikan transportation waste dan unnecessary motion melalui perancangan ulang layout dan desain ulang meja mesin jahit diharapkan mampu mereduksi MCT sebesar 362 detik. Sementara usulan untuk perbaikan waiting waste menggunakan metode line balancing, metode yang terpilih adalah metode helgeson dan bernie. Perancangan ulang keseimbangan lintasan dengan metode ini mampu mereduksi waiting waste menjadi 410 detik dari yang semula1191 detik. Sehingga mereduksi MCT menjadi 1768 detik dari semula 2650 detik. Penurunan MCT ini diprediksi mampu meningkatkan kapasitas produksi menjadi 776 celana/hari dari semula hanya 540 celana/hari.
Synthesis of Catalyst Cobalt Impregnated on Activated Natural Zeolite, Co/ANZ Tri Kurnia Dewi; Zainal Fanani
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 2, No 1 (2017): February 2017
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v2.i1.01

Abstract

Research has been done on the synthesis of catalyst Co/Activated Natural Zeolite. The variables studied were the mass ratio of Cobalt to Zeolite and temperature of reduction during catalyst activation. The catalyst produced were analysed in their acidity and surface area. Acidity was presented in the form of ammonia and pyridine adsorption on the catalyst surface. The results showed the increasing Cobalt to Zeolite mass ratio will increase acidity of the catalyst produced. Reduction temperature during catalyst activation also gave same effect as Cobalt to Zeolite mass ratio did. Best ratio within the range of this study was Cobalt to Zeolite mass ratio of 6:20, which was found at reduction temperature of 400 C. This ratio gave catalyst acidity correspond to ammonia adsorption of 6.4615 mmol/g, and to pyridine adsorption of 2.6047 mmol/g catalyst. The best reduction temperature was 450 C at ratio of 6:20. The acidity of this catalyst was of 7.5202 mmol/g as in ammonia adsorption, and was of  3.662 mmol/g as in pyridine adsorption. Catalyst surface area of the best ratio was 32.63 m2/g, whilst catalyst surface area of the best reduction temperature was 38.95 m2/g. Keywords: catalyst, cobalt, activated natural Zeolite 
Optimization of Bio-Oil Pyrolysis Product from Palm Empty Fruit Bunches over H-Zeolite Catalyst using Response Surface Methodology (RSM) Zainal Fanani; Addy Rachmat; Hasanudin hasanudin; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 6, No 3 (2021): October 2021
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v6.i3.122

Abstract

Bio-oil pyrolysis product considered as a promising resource of hydrocarbon compound that can be used as alternative fuel or other application. Palm empty fruit bunch (PEFB) based bio-oil converted into hydrocarbon trough pyrolysis over sulfate activation natural zeolite. Here, we reported an optimization process of bio-oil pyrolysis specifically on temperature and catalyst dose variables by using response surface methodology (RSM). Prior conversion process, PEFB was analyzed to determine cellulose, hemicellulose and lignin content. Sulfate activation natural zeolite confirmed its acidity by ammonia and pyridine adsorption calculated by gravimetric method. Two independent variables namely temperature and catalyst weight used in optimization process by RSM whereas response variable is conversion percentage. Analysis result on cellulose, hemicellulose and lignin content are 45.39%, 30.36% and 20.5% respectively. Catalyst acidity determination based on ammonia and pyridine adsorption gave 1.002 mmol/g and 0.1994 mmol/g. Optimum condition of hydrocracking achieved at 568 °C and 2.1088 g catalyst weight with the product obtained at 62.21% conversion. The best product density is 1.086 g/mL obtained at hydrocracking temperature 554 °C and 2.0362 g catalyst. Based on GC-MS analysis, it was confirmed that the product comprises more straight-chain hydrocarbon than cyclic one. RSM calculation able to formulate the feasible model equation to predict the conversion percentage. The equation is; percent conversion = 60.059 + 14.268T + 9.783W – 25.649T2 – 18.809W2 + 3.114TW, whereas model equation for response variable on product density; ρ= 1.09103 – 0.12356T – 0.09744W + 0.11489T2 + 0.28888W2 – 0.00740TW
Profil sistem integrasi usaha sapi perah dengan tanaman hortikultura di Nongkojajar Kecamatan Tutur Kabupaten Pasuruan Richard E. M. F. Osak; Budi Hartono; Zainal Fanani; Hari Dwi Utami
Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Vol 25, No 2 (2015)
Publisher : Faculty of Animal Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiip.2015.025.02.07

Abstract

The study tended to evaluate dairy-horticulture integration system among dairy farmers as the member of the Koperasi Peternak Sapi Perah (KPSP) Setia Kawan in Nongkojajar, Pasuruan regency. The method of the study was survey and data were analyzed descriptively. The study found that the revenue earned from dairy cattle farming was IDR 23.357.321,17±9.938.351 (46,54%), horticultural crops farming was IDR 10.030.225,41±7.752.962 (19.99%), forage fodder was IDR 12.380.163,93 ±9.569.370 (24.67%) and plant waste feed was IDR 1.595.665,57±1.233.386 (3.18%) and the revenue derived from biogas and bioslurry in dairy-horticultural farming system was about IDR 1.087.099,07±300.209 (2.17%) and 1.737.147,54±1.075.414 (3.46%) respectively. The average biogas production per year was found about 285.39 ± 176.68 kg which was equal to LPG, but the farm household in the study area only used 100.80 ± 27.84 kg per year. Keywords: Profile, dairy, horticulture, integration, Nongkojajar
Comparison of Cr/C and Cr2O3/Z Catalysts on Hydrocracking of Bio Oil from Pyrolysis of Palm Empty Fruit Bunches Zainal Fanani; Hasanuddin hasanuddin; Addy Rachmat; Muhammad Said
Molekul Vol 16, No 3 (2021)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (386.645 KB) | DOI: 10.20884/1.jm.2021.16.3.812

Abstract

Bio-oil derived from palm empty fruit bunch is not suitable for fuel purpose due to high acidity and low heating. Cr2O3/Zeolite and Cr/C catalysts was developed to upgrade bio-oil through hydrocracking. The catalyst prepared via impregnation method followed by oxidation-reduction. Ammonia and pyridine adsorption used to evaluate acidity as well as crystallinity assessment by using XRD. Hydrocracking reaction conducted in hydrogen gas flow rates 0.5-3.0 L/min, the surface area of Cr/C catalyst found out 1,497.07-1,652.58 m2/g, whilst the temperatures 450 to 700 ℃ and the catalyst weights between 0.5 to 2.5 g. Acidity calculated from ammonia and pyridine adsorption shows Cr2O3/Zeolite has higher value compare to pristine Zeolite. XRD pattern shows Cr2O3/Zeolite has high crystallinity as indicated by sharp and pointed diffraction peaks. The optimum condition of hydrocracking confirmed by lower density of liquid product. The variables obtained by a separate experiments shows that H2 gas flow rate best at 2.5 L/min, temperature of hydrocracking 500 ℃ for Cr2O3/Zeolite and 600oC for Cr/C whereas weight of Cr2O3/Zeolite catalyst is 1.5 g. The Cr/C catalyst that gave low density product possess 1,554.48 m2/g surface area. GCMS data shows increase on the number of straight chain compounds within the hydrocracking product.
Co-Authors Addy Rachmat Ahyarudin, Aang Aji Jumiono ALI NURMANSYAH Almunady T. Panagan Apriliani, Nindi Arifah Rahayu BAGEM BR SEMBIRING, BAGEM BR Bambang Yudhono Baswir, Irdawati Budi Hartono Dadan Hindayana Dede Maryana Deon, Donisius Sufardi Desnelli Desnelli Dewi, Intan Nurmala Dyah Ika Rinawati Effendi Nawawi Fadmajani, Arfah Fajri , Muhamad Nizarul Fakhili Gulo Hari Dwi Utami Hasanuddin Hasanuddin Hasanudin hasanudin Helmi Haris Helmia Tasti Adri Herdes, Ali Furqan Hermawan, Aflian Febriansyah Hidayat, Andi Muhammad Irman Suherman Jeffry Pane Kartiko, Hendro Khairul Jamil Kusumaningrum, Julia Lestari, Roswita Puji Lia Amalia LIA AMALIA Maesaroh, Mia Mardiah Mardiah Mardiah Miksusanti Miksusanti Mohammad Habiel Baihaqi Muhamad Leon Habibi Muhammad Idris Muhammad Said Muhammad Said Nailufar, Rifa Yasmin Nami Lestari, Nami Nani Yulianti Novita Apriyani Nuh, Gifar Muhammad Permana, Septian Prabowo Prabowo Pratama, Andy Rio Suryo Rasmitadila, Rasmitadila RAUF, AUNU Richard E. M. F. Osak Ridwan Rachmat Riyani Rizkina, Dian Roestamy, Martin Ropikoh, Siti Saputra, Raden Galihati Hasan Sari, Fera Indah Sembiring, Bagem Sofianna Br Sesrita, Afridha Setyono Setyono, S. Sri Widowati Syahid, Fahri Rizal Syahrir Akil Tiara Amanda Lestari Tirtawati, Desi Tri Kurnia Dewi Utama, Muhamad Akbar Veriana Romarito Situmorang Wardhani, Siti Asih Warrowa, Vinka Wicaksono, Yoedi Widjayanti, Widjayanti Wilna Iznilillah Yanyan Mulyaningsih Yulianti, Aulia Rahma Yuliawati