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All Journal JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Prosiding Seminar Nasional Sains dan Teknologi Terapan Pilar Teknologi : Jurnal Penelitian Ilmu-ilmu Teknik
Nuriana, Wahidin
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Agriculture, Biological Sciences & Forestry Computer Science & IT

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Pengaruh Variasi Tekanan Terhadap Densitas, Kadar Air Dan Laju Pembakaran Pada Briket Pelepah Kelapa Trisa, Ariansyah; Nuriana, Wahidin; Mustafa, Mustafa
Prosiding Seminar Nasional Sains dan Teknologi Terapan 2019: Menuju Penerapan Teknologi Terbarukan pada Industri 4.0: Perubahan Industri dan Transformasi P
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.284 KB)

Abstract

px; "> <Pembuatan briket dilakukan dengan memanfaatkan limbah biomassa yaitu pelepah kelapa. Pengujianbriket meliputi densitas, kadar air, dan laju pembakaran dari variasi tekanan pencetakaan 75 kg/cm²,100kg/cm², 125kg/cm² dan 150kg/cm²dilakukan pengujian pengeringan di oven suhu 105° selama 60menit dengan benda uji sebanyak 12 buah . Untuk rasio perbandingan pencampuran arang danperekat dengan perbandingan massa 70 : 30. Briket yang diperoleh adalah semakin besar tekananpencetakan makin rendah laju pembakarannya. Nilai laju pembakaran terendah adalah 0,52 g/menitpada tekanan 150 kg/cm2. Sebaliknya apabila semakin besar tekanan pencetakan maka nilai densitasakan semakin besar. Nilai densitas tertinggi 0,85 g/cm³ pada tekanan 150 kg/cm2. Nilai kadar airyang diperoleh adalah 5,06 % - 8,80 %.
ANTIVIRAL ACTIVITY OF CASHEW NUT SHELL EXTRACT AGAINST COWPEA MILD MOTTLE VIRUS ON SOYBEAN Andayanie, Wuye Ria; Nuriana, Wahidin; Ermawati, Netty
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol. 19 No. 2 (2019): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/j.hptt.219170-178

Abstract

Antiviral Activity of Cashew Nut Shell Extract Against Cowpea mild mottle virus on Soybean. Cowpea mild mottle virus (CPMMV) is one of important virus on soybean. Management of CPMMV is usually by controlling its vector using insecticide which has adverse effect on environmental and non target insect. Therefore, it is important to find an alternative control which is environment friendly such as utilizing of plant extract. Cashew nut shell (CNS) is a waste during processing of cashew nut and reported containing some antimicrobe substances.  The research was aimed to evaluated the potency of CNS extract as antiviral against CPMMV. The experiment was designed by Randomized Block Design with 4 replicates and each treatment unit consisted of 10 plants. The application method (prior and post virus inoculation, mixing of virus sap and CNS extract) and concentration of CNS extract (0.75 %; 1.5 %; 3.0 %; 6.0 %) were evaluated the effectiveness of their combination to inhibit CPMMV infection. The application of CNS extract were abled to decreased disease incidence and increase incubation period compared  to untreated with CNS extract. and severity of treated plants significantly. However, plants treated with concentration 3.0 %  and 6.0 % prior virus inoculation and mixing CNS extract with concentration 1.5 %, 3.0 %, and 6.0 % with CPMMV sap showed that the virus titre was negatively detected by ELISA using CPMMV antisera.  It is indicated that the potential of CNS extract as antiviral. All treatments combination able to suppress virus infection without phytotoxicity effect, except CNS 6.0 % treatment.
Nilai Kalor Briket Limbah Kayu Sengon Dengan Perekat Maizena Lebih Tinggi Di Bandingkan Tapioka, Sagu Dan Tepung Singkong Arifin, Zainal; ., Hantarum; Nuriana, Wahidin
JURNAL PILAR TEKNOLOGI : Jurnal Ilmiah Ilmu Ilmu Teknik Vol 3, No 2 (2018): JURNAL PILAR TEKNOLOGI
Publisher : LPPM Universitas Merdeka Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33319/piltek.v3i2.18

Abstract

Bio-briquette is a solid fuel made from organic waste and mixed with other ingredients and then printed using certain pressures so that the desired shape and characteristics are obtained. This study focused on determining the effect of adhesive on density, moisture content and heating value on sengon wood charcoal bio-briquette with variations of tapioca, sago, cornstarch and cassava flour with a pressure of 115 kg / . The results showed that the highest density was 0.56 g/ in the bio-briquette of sengon wood waste charcoal with cassava flour adhesive, the lowest water content was 6.52% in the bio-briquette of sengon wood waste with cornstarch adhesive and the highest heating value was found in briquettes maizena adhesive sengon wood waste is 5,868 cal / gr. Keywords: sengon wood waste briquettes, adhesive, density, moisture content and heating value
Pengaruh Variasi Tekanan Terhadap Kerapatan, Kadar Air Dan Laju Pembakaran Pada Biobriket Limbah Kayu Mahoni Rinanda, Aditiya Darma; Nuriana, Wahidin; Sutrisno, Sutrisno
JURNAL PILAR TEKNOLOGI : Jurnal Ilmiah Ilmu Ilmu Teknik Vol 6, No 1 (2021): JURNAL PILAR TEKNOLOGI
Publisher : LPPM Universitas Merdeka Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33319/piltek.v6i1.67

Abstract

Abstract— The use of biomass from mahogany wood waste briquettes as a substitute fuel for oil and gas requires briquette technology. Mahogany wood briquette is able to convert into fuel with a fairly good conversion efficiency, high density and ease of storage and distribution. The purpose of this study was to determine the effect of pressure variations on the density, moisture content and rate of burning of mahogany wood waste briquettes. The process of making charcoal biobriquettes begins with the carbonization process with a temperature of 400 ̊C, then smoothed and sieved with a size of 80 mesh - 100 to get the same size, and using tapioca adhesive 30% of the weight of the mixture. The mixture is put into a molding machine and then printed with a pressure of 80 kg/cm2, 115 kg/cm2, 150 kg/cm2, and 185 kg/cm2. Charcoal biobriquettes are dried in an oven at 105 ̊C for 1 hour. In this research, the mass density and moisture content of the mahogany wood waste met the Indonesian biobriquette standards, the results of this study obtained the higher density of 0,55 g/cm3at a pressure of 150 kg/cm2. The results lowest water content of 47,2% at a pressure of 185 kg/cm2. The lowest combustion rate is 0,257 g/min at a pressure of 185 kg/cm2. Keywords—: mahoni wood waste; pressure; moisture content; combustion rate.
Co-Authors ., Hantarum A.A. Ketut Agung Cahyawan W Netty Ermawati Rinanda, Aditiya Darma Sutrisno, Sutrisno Trisa, Ariansyah Wuye Ria Andayanie Zainal Arifin