Erliza Hambali
Surfactant and Bioenergy Research Center (SBRC) Bogor Agricultural University (IPB)

Published : 16 Documents
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Possibility to Reduce Drudgery and Time in Harvesting Individual Ripe Fruits of Jatropha curcas Linn by Whole Bunch Harvesting Silip, Jupikely James; Tambunan, Armansyah H.; Hambali, Erliza; Sutrisno, ,; Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 38, No 2 (2010): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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<!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-1610611985 1073750139 0 0 159 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:10.0pt; margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibri; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-ansi-language:IN; mso-no-proof:yes;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> A study was conducted to determine Jatropha fruits ripening uniformity on its tree and bunches characteristics. To get more information about its ripening off, the tree characteristics a respiration pattern was determined. The data were collected on fi  ve trees for each ten selected accessions (n=50) for fruit ripening uniformity on its trees study and fi  fteen bunches for each seven selected accessions (n=105) for fruits bunches ripening uniformity study at two jatropha pilot projects at Sabah state of Malaysia at the end of March 2009 when the trees were exactly one year old. This study confi  rmed that heterogeneous ripening occured in all jatropha accessions and within individual jatropha bunches. Respiration tests confi  rmed that jatropha is a climacteric fruit. The results showed an upsurge in CO2 production at the end of ripening and at the beginning of senescence. This study has  revealed indications of the possibility to harvest jatropha fruit in bunches rather than harvesting individual ripe fruit, which could potentially improve harvest effi ciency by reducing harvesting time and drudgery. Keywords: ripening, respiration rate, post-harvest, climacteric
Penentuan Lama Sulfonasi pada Proses Produksi Surfaktan Mes untuk Aplikasi EOR Rival, Mira; Irawadi, Tun Tedja; Suryani, Ani; Setyaningsih, Dwi; Hambali, Erliza
Jurnal Ilmu Pertanian Indonesia Vol 16, No 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

For producing oil remains that remained at old oil wells (mature field), a method of advanced oilacquirement improvement known as an Enhanced Oil Recovery (EOR) should be applied. Surfactant plays animportant role in EOR process by reducing interfacial tension (1FT), altering wettability, reducing oil viscosity,and stabilizing dispersion to facilitate the process of oil jetting from reservoir to production well. To optimallycleanse oil that still remained a surfactant compatible with formation water and reservoir is needed. This studywas conducted to get the best time of sulfonation process for producing MES surfactant with lower interfacialtension for EOR application. Results showed that the best times of sulfonation process with lower interfacialtension value were 3 and 4 hours.Keywords: Surfactant, MES, sulfonation time, interfacial tension, EOR.
MANAJEMEN PEMELIHARAAN PENCEGAHAN PADA KOMPONEN PERALATAN REBUSAN PREVENTIVE MAINTENANCE MANAGEMENT FOR STEW EQUIPMENT Hasanah, Ina Siti; Machfud, Machfud; Sukardi, Sukardi; Hambali, Erliza
Jurnal Ilmiah Ekonomi Bisnis Vol 17, No 3 (2012)
Publisher : Universitas Gunadarma

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Abstract

Pemeliharaan pencegahan pada suatu sistem sangat diperlukan untuk menjaga agarkegiatan produksi tidak berhenti. Kehandalan suatu sistem yang baik terlihat darijarangnya terjadi kerusakan pada sistem. Penelitian ini bertujuan untuk merencanakanpemeliharaan pencegahan komponen peralatan rebusan. Untuk itu pertama sekalididentifikasikan distribusi kerusakan komponen menggunakan uji kebaikan suai.Perencanaan pemeliharaan pencegahan kemudian disimulasikan. Hasil simulasimenunjukkan bahwa tindakan pemeliharaan pencegahan untuk komponen Seal pinturebusan sebaiknya dilakukan setiap 356 jam dengan kehandalan meningkat sebesar29,08% pada t = 1039,9207. Tindakan pemeliharaan pencegahan untuk komponen VBeltsebaiknya dilakukan setiap 1205 jam dengan kehandalan meningkat sebesar37,813% pada t = 1969,613.
Role of Methane Capture for Sustainable Biodiesel Production from Palm Oil: A Life Cycle Assessment Approach Prasetya, Hermawan; Arkeman, Yandra; Hambali, Erliza
International Journal on Advanced Science, Engineering and Information Technology Vol 3, No 5 (2013)
Publisher : International Journal on Advanced Science, Engineering and Information Technology

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Abstract

Palm Oil Mill Effluent (POME) is one of the major wastes generated by palm oil milling which is a part of palm oil diesel production chain. POME contain of methane (about 60-70 %), which contribute to Greenhouse Gas (GHG) Emission. Due to reduction GHG emission is one of indicator bioenergy sustainability, some alternatives have been implementing to reduction it. One of the alternatives is implementing of methane capture technology which able to capture and/or utilize it for energy source. In this paper, Life Cycle Assessment (LCA) was employed to identify role of methane capture technology in sustainability of palm oil biodiesel production. By employed cradle to gate LCA on biggest producer of palm oil biodiesel in Indonesia, GHG emission is 23.00 g CO2eq per Mega Joule (MJ) biodiesel production with methane capture, and 40.79 g CO2eq per MJ biodiesel without methane capture. From this result, it was concluded that implementation of methane capture could reduce GHG emission significantly (more than 70 %).
PEMANFAATAN METIL ESTER JARAK PAGAR MENJADI SURFAKTAN MES UNTUK APLIKASI SEBAGAI OIL WELL STIMULATION AGENT Hambali, Erliza; Rukmana, Dadang; Nurfitri, Riztiara
Jurnal Ilmu Pertanian Indonesia Vol 17, No 1 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Year by year, globally the production of petroleum decreases but its demand increases. The world will get the energy crisis including Indonesia if that condition happens continously. Because of that, Indonesia starts to develop IOR (improved oil recovery) method for their oil fields.  IOR method is an improvement of the secondary phase in which the oil recovery is expected to increase oil production.  One method of IOR is chemical injection with surfactant for injection.  Surfactant is dissolved with injection water and injected to reservoir.  Generally, surfactant of petroleum sulphonates is used for oil recovery.  Due to the weaknesses of petroleum suphonates such as not resistant in high salinity and high hardness water, therefore it triggers to get surfactant substitute like MES (methyl ester sulphonates) that is synthesized by bio-oil from Jatropha curcas L.  The study was aimed to know the performance of MES surfactant formula from jatropha oil for IOR in fluid sample of oil field and synthetic sandstone core.  The best condition from this research was surfactant 0.2 PV with the soaking time of 12 hours. This formula gave the highest of  incremental total oil recovery 61%. The number were resulted from 48% waterflooding and 13% surfactant injection. Keywords:  Jatropha curcas L., surfactant, methyl ester sulphonates, improved oil recovery, incremental recovery. 
PEMANFAATAN METIL ESTER JARAK PAGAR MENJADI SURFAKTAN MES UNTUK APLIKASI SEBAGAI OIL WELL STIMULATION AGENT Hambali, Erliza; Rukmana, Dadang; Nurfitri, Riztiara
Jurnal Ilmu Pertanian Indonesia Vol 17, No 1 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Original Source | Check in Google Scholar | Full PDF (486.303 KB)

Abstract

Year by year, globally the production of petroleum decreases but its demand increases. The world will get the energy crisis including Indonesia if that condition happens continously. Because of that, Indonesia starts to develop IOR (improved oil recovery) method for their oil fields.? IOR method is an improvement of the secondary phase in which the oil recovery is expected to increase oil production.? One method of IOR is chemical injection with surfactant for injection.? Surfactant is dissolved with injection water and injected to reservoir.? Generally, surfactant of petroleum sulphonates is used for oil recovery.? Due to the weaknesses of petroleum suphonates such as not resistant in high salinity and high hardness water, therefore it triggers to get surfactant substitute like MES (methyl ester sulphonates) that is synthesized by bio-oil from Jatropha curcas L.? The study was aimed to know the performance of MES surfactant formula from jatropha oil for IOR in fluid sample of oil field and synthetic sandstone core.? The best condition from this research was surfactant 0.2 PV with the soaking time of 12 hours. This formula gave the highest of? incremental total oil recovery 61%. The number were resulted from 48% waterflooding and 13% surfactant injection.?
Penentuan Lama Sulfonasi pada Proses Produksi Surfaktan Mes untuk Aplikasi EOR Rival, Mira; Irawadi, Tun Tedja; Suryani, Ani; Setyaningsih, Dwi; Hambali, Erliza
Jurnal Ilmu Pertanian Indonesia Vol 16, No 1 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Original Source | Check in Google Scholar | Full PDF (564.818 KB)

Abstract

For producing oil remains that remained at old oil wells (mature field), a method of advanced oil acquirement improvement known as an Enhanced Oil Recovery (EOR) should be applied. Surfactant plays an important role in EOR process by reducing interfacial tension (1FT), altering wettability, reducing oil viscosity, and stabilizing dispersion to facilitate the process of oil jetting from reservoir to production well. To optimally cleanse oil that still remained a surfactant compatible with formation water and reservoir is needed. This study was conducted to get the best time of sulfonation process for producing MES surfactant with lower interfacialtension for EOR application. Results showed that the best times of sulfonation process with lower interfacial tension value were 3 and 4 hours.
Pengaruh Suhu dan Lama Proses Sulfonasi dalam Proses Produksi Methyl Ester Sulfonic Acid (MESA) Menggunakan Single Tube Falling Film Reactor (STFR) Mujdalipah, Siti; Hambali, Erliza; Suryani, Ani; Zulchaidir, Edi
Agritech Vol 32, No 3 (2012)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

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Abstract

Methyl Ester Sulfonic Acid (MESA) is an intermediate product of Methyl Etser Sulfonate (MES). MES has manyapplications for personal care products, washing and cleaning products, and Enhanced Oil Recovery (EOR). MESA production using SO3 in Single Tube Falling Film Reactor (STFR) is a common practice. This study was aimed to getthe best condition of methyl esters (ME) sulfonation process from palm olein using SO3 gas in STFR. The study wasdone in three stages which were production activities, analysis, and data processing. Research activities consisted ofproduction process of methyl esters from palm olein and studying of temperature and sulfonation time effects towardME sulfonation process using STFR. Analysis stage include analysis of physico chemical properties of palm olein,analysis of physico chemical properties of methyl esters, and analysis of physico chemical properties of MESA. Tostudy the effect of temperature and sulfonation time toward ME sulfonation process, temperatures of 70, 90, and 110.ABSTRAKMethyl Ester Sulfonic Acid (MESA) merupakan produk antara dari surfaktan Metil Ester Sulfonat (MES). MESmemiliki beragam aplikasi dalam produk personal care, pencuci dan pembersih, dan untuk Enhanced Oil Recovery(EOR). Proses produksi MESA menggunakan gas SO3 dalam Single Tube Falling Film Reactor (STFR) merupakanteknologi yang umum digunakan. Kajian ini bertujuan untuk mendapatkan kondisi proses sulfonasi metil ester oleinterbaik menggunakan gas SO3 dalam STFR. Kajian dilakukan dalam tiga tahap, yaitu tahap penelitian, tahap analisis,dan tahap pengolahan data. Tahap produksi MESA terdiri dari pembuatan metil ester (ME) dari olein minyak sawit dankajian pengaruh suhu dan lama proses sulfonasi. Tahap analisis meliputi analisis sifat Þ siko kimia olein minyak sawit,analisa sifat Þ siko kimia ME olein sawit, dan analisis sifat Þ siko kimia MESA olein sawit. Kajian pengaruh suhu danlama proses sulfonasi terhadap proses sulfonasi metil ester olein terdiri dari suhu 70, 90, dan 110 oC dan lama prosessulfonasi 30, 60, dan 90 menit. Analisis varian pada !=0,01 menunjukan bahwa lama proses sulfonasi berpengaruh nyataterhadap kadar bahan aktif. Analisis varian pada !=0,01 juga menunjukan bahwa lama proses sulfonasi berpengaruhnyata terhadap nilai pH, bilangan asam, bilangan iod, dan kemampuan MESA dalam menurunkan tegangan antarmuka(IFT, Interfacial Tension) antara air formasi dan minyak bumi. Proses sulfonasi terbaik dicapai pada suhu sulfonasi 90oCdan lama proses sulfonasi 90 menit. Kondisi proses sulfonasi terbaik dapat menghasilkan MESA dengan karakteristikkadar bahan aktif 31,44%, pH 2,66, bilangan asam 24,88 ml NaOH/g sampel, bilangan iod 11,95 mg I/g sampel, danmemiliki kemampuan menurunkan IFT antara air formasi dan minyak bumi dari 30 dyne/cm menjadi 3 dyne/cm.
APLIKASI ASAP CAIR PADA LATEKS Kasim, Fitriani; Fitrah, Arum Nur; Hambali, Erliza
Jurnal PASTI Vol 9, No 1 (2015): Jurnal PASTI
Publisher : Jurnal PASTI

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Abstract

Asap cair (liquid smoke) atau dengan nama lain bio oil merupakan salah satu sumber energi terbarukan yang dapat digunakan untuk berbagai keperluan baik pangan maupun non pangan. Salah satu aplikasinya pada non pangan yaitu untuk menggumpalkan lateks dan mencegah timbulnya bau dan tumbuhnya jamur pada lembaran sit lateks. Hasil penelitian menunjukkan bahwa asap cair yang berasal dari tempurung kelapa dengan konsentrasi 1 % dan 2% dapat menggumpalkan lateks dan menghambat tumbuhnya jamur pada lembaran Sit yang dibuat serta mencegah timbulnya bau.Kata Kunci : Asap Cair, Lateks, Energy alternatif
PENILAIAN POTENSI BIOMASSA SEBAGAI ALTERNATIF ENERGI KELISTRIKAN Papilo, Petir; Kunaifi, Kunaifi; Hambali, Erliza; Nurmiati, Nurmiati; Pari, Rizfi Fariz
Jurnal PASTI Vol 9, No 2 (2015): Jurnal PASTI
Publisher : Jurnal PASTI

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Pemanfaatan biomassa sebagai sumber daya listrik merupakan salah satu solusi yang dapat dikembangkandalam rangka meningkatkan rasio elektrifikasi dan mewujudkan ketahanan energi nasional. Untuk itu sebagai langkah awal bagi menguji kelayakan pengembangan biomassa sebagai sumber pembangkit tenaga listrik, diperlukan analisis tentang potensi sumber daya, terutama dari beberapa komoditas unggulan, baik dari sisa hasil pertanian maupun perkebunan. Penelitian ini bertujuan untuk mengetahui tingkat potensi biomassa berdasarkan ketersediaan pasokan sumber daya yang tidak termanfaatkan yang dapat diperoleh dari sisa hasil pertanian. Beberapa sisa hasil pertanian dan perkebunan yang menjadi target penilaian antara lain adalah jerami dan sekam padi sawah, jerami dan sekam padi ladang, batang dan tongkol jagung, batang ubi kayu, serta serat, cangkang, tandan kosong, kernel dan limbah cair yang terdapat di perkebunan kelapa sawit. Hasil analisis dengan pendekatan statistik, menunjukkan bahwa total energi teoritis biomassa yang dapat dihasilkan adalah sebesar 77.466.754,8 Gj/Tahun. Secara teoritis berpotensi menghasilkan energi listrik sebesar 21.518.542,8 MWh/Tahun.Kata Kunci: Biomassa, Potensi Teoritis, Rasio Elektrifikasi