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All Journal Jurnal Energi Dan Manufaktur Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Eksergi: Chemical Engineering Journal Seminar Nasional Teknik Kimia Kejuangan Infotronik : Jurnal Teknologi Informasi dan Elektronika JPPS (Jurnal Penelitian Pendidikan Sains) Didaktika: Jurnal Pemikiran Pendidikan Aptekmas : Jurnal Pengabdian Kepada Masyarakat Digital Transformation Technology (Digitech) Fuse-teknik Elektro Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknik Kimia
Bambang Sugiarto
Lembaga Ilmu Pengetahuan Indonesia
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Perbaikan Mutu Minyak Kelapa Sawit Curah dengan Metode Adsorpsi dalam Tangki Berpengaduk Dena Sukantala Dewi; Ainun Farah Baiqfirlana; Bambang Sugiarto; Zubaidi Achmad
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

This research objective is to improve the quality of Crude Palm Oil (CPO). In general, CPO contain free fatty acid known as FFA. CPO purification is necessary to eliminate FFA. In this research, CPO purification conducted by using adsorption method with various adsorbent. The adsorbent has to be activated with NaOH 0,087 N before being used. The variable used are variation of adsorbent (zeolite, bioceramics, and carbon active), adsorbent size (mesh of 20,30, 40,80, 100), and mixing time (10, 20, 30, 40, and 50 minutes). CPO quality can be analyzed by acidic-alkaline method to measure the number of acid, proxyde, saponification, iodine, and water value. The result showed that the optimum condition occurred when using zeolite of 100 mesh and 50 minutes mixing time. Before adsorption, the measurement for number of acid, peroxide, saponification, iodine and water value are respectively 1,9889; 16; 150,0675; 19,6695; and 6,572%. While the measurement result after adsorption are 0,1989 for acid number; 2 for peroxide number; 200,5575 for saponification number; 45,684 for iodine number; and 0,242% for water value. Compare to SNI 01-3741-1995 Standar Mutu Minyak Goreng, the result showed that CPO quality is improved and in line with the SNI requirement.
Perancangan Sistem Pengendalian Suhu pada Gedung Bertingkat dengan Teknologi Wireless Sensor Network Bambang Sugiarto
Jurnal Energi Dan Manufaktur Vol 4, No.1 April 2010
Publisher : Department of Mechanical Engineering, University of Udayana

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Abstract

At the building, for example the office building, hotels or the apartment, is needed by a controlsystem of the temperature. This is caused the number of rooms so it is difficult to monitor the use ofAir Conditioning (AC) for each room. This control system is used to monitor the temperature ofeach room so as to be able to control the use of AC. This paper will discuss the designing of controltemperature by using technology of Wireless Sensor Network (WSN). WSN technology made use ofthe Zigbee wireless network as the data communication, where each room was installed by atemperature sensor (the node sensor). The node sensor that is installed in each room are connectedwith each other and make the star, the tree or mesh network formation. The advantages of thissystem is using Zigbee wireless that is free of the licence. The results of the temperaturemonitoring of each node sensor are afterwards gathered in the Base Stasion Controller (BSC) thatbecame the centre of managing and processing the data, so as to be formed a control system of thetemperature of each room to this building.
PENGEMBANGAN LEMBAR KERJA SISWA MODEL INKUIRI TERBIMBING MATERI ELEKTROKIMIA KELAS XII SMA Eka Tina Nur Ula Tuqa; Suyono Suyono; Bambang Sugiarto
JPPS (Jurnal Penelitian Pendidikan Sains) Vol. 7 No. 1 (2017)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v7n1.p1447-1454

Abstract

This research aimed to develop valid, practical, and effective worksheet to support electrochemistry learning using guided inquiry model. Development  of  worksheet based on ADDIE model (Analyse, Design, Develop, Implement, and Evaluate). Worksheet were implemented at grade XII chemistry students using one group pretest-posttest design. Validity of worksheet was measured from relevance and consistency based on expert judgment with minimum score of 2,6. Practicality of worksheet was measured from students activity with minimun percentage of 60%. Effectivenes of worksheet was measured from its impact to increase students cognitive achievement significanly. Validity and practicality was analyzed using descriptive statistics, whereas effectiveness of cognitive achievement was analyzed using inferential t-test. The result of data analysis were: (1) content validiy and construct validity of worksheet developed was very valid; (2) students activity were very good; (3) cognitive achievement has increased significanly both in pilot implementation and final implementation
SISTEM PENDUKUNG KEPUTUSAN PEREKRUTAN PEMAIN BOLA VOLI MENGGUNAKAN METODE PROFILE MATCHING Alfred Alfaghini; Bambang Sugiarto
Jurnal Teknologi Informasi dan Elektronika (INFOTRONIK) Vol 7, No 2 (2022): Vol 7 No 2 Tahun 2022
Publisher : Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/infotronik.2022.7.2.1717

Abstract

Sistem pendukung keputusan perekrutan pemain bola voli menggunakan metode profile matching ini bertujuan untuk membantu seorang pelatih untuk memilih pemain yang layak untuk direkrut sesuai dengan kebutuhan tim. Di dalam sistem ini terdapat kriteria-kriteria yang dijadikan standar tim untuk setiap calon pemain yang akan direkrut, data kriteria tersebut didapat dari hasil wawancara dengan pelatih tim bola voli Galaxy Sumedang sebanyak 10 kriteria. Sistem ini berbasis web dan menggunakan salah satu metode sistem pendukung keputusan yaitu profile matching. Proses profile matching yaitu dengan cara melakukan perbandingan nilai dari masing-masing calon pemain dengan nilai standar tim. Sehingga dapat diketahui nilai gapnya. Semakin kecil nilai gapnya semakin berpeluang juga calon pemain tersebut untuk direkrut. Hasil penelitian ini menghasilkan urutan rangking dari calon pemain pada saat diseleksi, sehingga membantu seorang pelatih dalam menentukan siapakah calon pemain yang akan direkrut.
Penerapan Pama-Dama Dalam Sistem Telekomunikasi Vsat untuk Komunikasi Rural di Kabupaten Garut Nisa Nurfitriani; Bambang Sugiarto; Ahmad Hasyim
Jurnal FUSE-Teknik Elektro Vol 1, No 1 (2021): Jurnal FUSE-Teknik Elektro
Publisher : Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.599 KB) | DOI: 10.52434/jft.v1i1.1163

Abstract

Sistem komunikasi VSAT (Very Small Aperture Terminal), yaitu suatu sistem telekomunikasi satelit menggunakan antenna berdiameter kecil dan dilengkapi sistem pengontrol (Hub Station). VSAT mempunyai dua cara kerja, yaitu dengan menggunakan DAMA (Demand Assigment Multiple Access) mode dan PAMA (Pre Assigment Multiple Access). Penelitian ini bertujuan menganalisis penerapan PAMA- DAMA dalam jaringan VSAT yang menghubungkan semua titik lokasi untuk bisa dilakukan komunikasi terutama untuk darah rural di Kabupaten Garut,dengan cara dilakukan Remote Station dan pengontrolnya melalui Hub Station. Hasil analisis diperoleh untuk BER 10−7 dengan coding gain 2,75 dB modulasi QPSK kualitas sinyal (????/????)???????????? ???????????????????? hampir sama dengan (????/????)???????????? sehingga sistem satelit bisa beroperasi karena masih dalam batas toleransi, sistem satelit beroperasi dengan ???????????????????????????? -9,4 dBw dan ???????????????????????????????????????????? ???????????????? 25 dBw, power ke remote stasiun kecil harus besar dan dibutuhkan 0,15538% transponder secara power dan 0,141% transponder secara bandwidth.
The Effect of Concentration and Type of Immersion Media (Water, Alcohol, Salt, and Vinegar Acid) on Decreasing Oxalate Levels in Porang Bambang Sugiarto; Adhi Setyawan; Octavia Nurmalitasari; RR Endang Sulistyowati
Eksergi Vol 20, No 1 (2023)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v20i1.8733

Abstract

Porang tubers (Amorphophallus oncophyllus) contain very high levels of glucomannan and have many benefits in various fields of health, pharmaceuticals, industry, and food. Apart from having great benefits, porang tubers contain calcium oxalate which can cause itching if consumed directly, irritation, and kidney stones. This study aimed to determine the decrease in oxalate levels in porang tubers using various concentrations and types of immersion media in porang. The types of immersion media are water, salt, alcohol, and vinegar. Water immersion was carried out at 30°C, 40°C, 50°C, 60°C, and 70°C. Immersion with salt was carried out at concentrations of 6%, 8%, 10%, 12%, and 14%. Immersion with alcohol was carried out at concentrations of 20%, 30%, 40%, 50%, and 60%. The vinegar immersion was carried out at concentrations of 10%, 15%, 20%, 25%, and 30%. Oxalate levels were analyzed by the permanganate titration method. The results of immersion porang with dice and long slices in this study showed that water with a temperature of 50°C in the 5th immersion, alcohol with a concentration of 60% in the 5th immersion, salt solution with a concentration of 14% in the 5th immersion, and acetic acid with a concentration of 30% in the 5th immersion is the optimal result.
Metacognition Process in Learning Bambang Sugiarto
DIDAKTIKA Vol 29 No 1 (2023): Volume 29 Nomor 1 February 2023
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/didaktika.v29i1.5033

Abstract

no abstract
Perkuatan Sambungan Perpanjangan Batang Kayu Ulin Dengan Kombinasi Baut Dan Perekat Epoxy Bambang Sugiarto; Fakhri Fakhri; Alfian Kamaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

In this paper, to strengthen the connection between wood joints is conducted by the use of combination of bolt and epoxy adhesives. There where three variations of connection observed in this study e.g; U1, U2, U3. U1 was using a bolt connecting device. U2 was using a bolt connectors which is reinforced with epoxy adhesive on the bolt hole. U3 was using a bolt connectors which is reinforced with 40 MDGL epoxy adhesives in the joint slice plane. The result of this study indicates that the bolt connection yielding mode is theoretically as same as the yielding mode that occurs in the result of laboratory testing, named mode IIIs. The lateral resistance of bolt joints form laboratory tests result is 108% greater compared to the lateral resistance of bolt joints theoretically. The addition of epoxy adhesive to the bolt hole does not provide the real reinforcement of the joint extension of Ulin Woods with bolt connecting tools. The addition of epoxy adhesives with the amount of 40 MDGL in the joint slice plane, provides 16.6% reinforcement on the joint extension of Ulin Woods with bolt joint tools.Keywords: reinforcement joints, bolt joints, epoxy adhesive joints, lateral resistance
Identifikasi Objek Bawah Permukaan Menggunakan Metode Ground Penetrating Radar di Kompleks Candi Kedaton, Muarojambi, Indonesia Bambang Sugiarto; G.M Lucki Junursyah; Indyo Pratomo
Jurnal Geologi dan Sumberdaya Mineral Vol. 19 No. 4 (2018): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v19i4.428

Abstract

Ground Penetrating Radar (GPR) survey using 200 MHz frequency antenna have been conducted in July 2011 at Kedaton Temple Complex, Muarojambi, Jambi, Indonesia. The survey is aimed at providing subsurface information without digging (excavation) as in usual  conventional archaeological methods. The data were collected on six lines around the main building and a courtyard inside the boundary fence of Kedaton Temple Complex. Good quality data were obtained with signal to noise ratio greater than 110 dB. The result of the subsurface model based on the electromagnetic properties of rocks generating three layers of soil, from the youngest are Layer A with a thickness of 0.26 meters to 0.78 meters, Layer B with a thickness up to 1.51 meters, and Layer C coveringthe indication of archaeological object with a thickness of 0.35 meters up to 3.87 meters. The southern part of the main building showsa delineation and spread of thick layers of soil with a total thickness up to 4.50 meters, while the northern part of ancillary buildings shows a delineation and thin layers of soil with a total thickness only 2.60 meters. The indication of archaeological objects in the sub-surface indicated by the presence of anomalous heights which has a depth varying from 1.65 meters to 4.50 meters. This is interpreted to be a sub-surface anomaly that is likely to be archaeological objects still buried. The archaeological object may represent an ancient building in the zone of depression that accumulates due to the great floods, tidal Batanghari River, and sea level fluctuation in the past.Keywords: Archaeology, geophysics, Ground Penetrating Radar (GPR), Kedaton, Muarojambi.
SOSIALISASI TEKNOLOGI TEPAT GUNA DALAM PRODUKSI GULA AREN DI DESA KALIABU, MAGELANG Kusuma, Heri Septya; Bambang Sugiarto; Didi Saidi; Retno Dwi Nyamiati
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 7 No 1 (2024): APTEKMAS Volume 7 Nomor 1 2024
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/apts.v7i1.8585

Abstract

Palm sugar has wide scope as an alternative sweetener in the Indonesian market. Palm sugar is a natural alternative to cane sugar which is less healthy and also more beneficial for farmers. The taste, sensory profile, and nutritional content of palm sugar vary based on the species, growing region, and climatic conditions. Currently, the traditional processing of palm sap in Kaliabu village results in lower yields and higher costs. There is enormous potential in the field of developing processing techniques (traditional processing, spray drying, membrane technology, and vacuum drying) to optimize palm sugar production in Kaliabu village. Spray drying is a non-conventional method that has the potential to be implemented in palm sugar production in Kaliabu village. This is because spray drying is quite good in terms of increasing antioxidant and phenolic content as well as storage capacity.
Co-Authors Adhi Setyawan Ahmad Hasyim Ainun Farah Baiqfirlana Alfred Alfaghini Alvina Damayanti Dena Sukantala Dewi Didi Saidi Eka Tina Nur Ula Tuqa Fakhri Fakhri G.M Lucki Junursyah Indyo Pratomo Kamaldi, Alfian Kusuma, Heri Septya Nisa Nurfitriani Octavia Nurmalitasari Retno Dwi Nyamiati RR Endang Sulistyowati Sephia Lita Acitya Putri Syamsul Arifin Viery Viransyah Zubaidi Achmad