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All Journal Jurnal Bahan Alam Terbarukan Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Mechanical Jurnal Ilmiah Teknik Mesin Jurnal Informatika dan Teknik Elektro Terapan Journal of Science and Applicative Technology Journal Of Chemical Process Engineering (JCPE) Turbo : Jurnal Program Studi Teknik Mesin Prosiding Seminar Nasional Darmajaya Jurnal Teknik Mesin Indonesia Journal of Engineering and Scientific Research (JESR) Scientific Journal of Mechanical Engineering Kinematika Jurnal Profesi Insinyur Universitas Lampung Journal of Applied Science, Engineering and Technology (J. ASET) Jurnal Rekayasa Lampung (JRL) Seminar Nasional Insinyur Profesional (SNIP) Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung Jurnal Masyarakat Madani Indonesia Journal Of Chemical Process Engineering JURNAL REKAYASA KIMIA & LINGKUNGAN Jurnal Bahan Alam Terbarukan Nemui Nyimah
Herry Wardono
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Journal : Jurnal Mechanical

 1 
Pengaruh Variasi Jenis Aktivator Asam dan Nilai Normalitas Pada Aktivasi Zeolit Pelet Perekat Terhadap Prestasi Mesin Motor Diesel 4-Langkah Herry Wardono
JURNAL MECHANICAL Vol 3, No 2 (2012)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

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Abstract

The energy crisis and air pollution can be coped with using very abundant Natural Zeolites available in Indonesia, particularly in Lampung. Herry Wardono has applied the zeolite on petrol and diesel engines. In this applications, Lampung's natural zeolites can significantly save fuel consumption and reduce exhaust emissions of the engines. The best results occurred in the use of chemical-physical activated zeolite. All this time, chemical activator (acidic activator) used was H2SO4 0.2 N, and  other normalities of this acid have not been tested, as well as  other types of acidic activator. In this research, acidic activators used were H2SO4 and HCl which has a normality of 0.1 N, 0.2 N, 0.3 N and 0.5 N each. The amount of adhesive pelletized zeolite used was also variated, i.e 50, 100, and 150 grams. The results showed that the adhesive pelletized zeolite activated by HCl dominate the best results, with fuel consumption savings of 8.6472% and 10.3058% in the use of 100 and 150 grams of the zeolite. Meanwhile, the highest fuel consumption savings obtained in the use of adhesive pelletized zeolite activated by H2SO4 were  6.2992% and 7.8847%.Keywords: zeolit pelet perekat, oxygen- rich combustion, prestasi mesin diesel
Pengaruh Variasi Normalitas NaOH pada Aktivasi Basa-Fisik Zeolit Pelet Perekat terhadap Prestasi Sepeda Motor Bensin 4-Langkah Herry Wardono
JURNAL MECHANICAL Vol 5, No 1 (2014)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

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Abstract

          Natural zeolite is an alternative adsorbent. It needs firstly to  be activated before using it as absorbent in order to get zeolite with high adsorption capacity. Previously, the use of pelletized zeolite activated by NaOH-physic and KOH-physic with varied normalities was only performed in a diesel engine to observe the engine performance.In this study there were two kinds of activation, that is  chemical activation with NaOH activator variation on the normality of 0.25 N, 0.5 N, 0.75 N, and 1.0 N and physical activation with using  a temperature of 220 °C for 2 hours. All are made in the form of adhesive zeolite pellets with a diameter of 10 mm and a thickness of 3 mm. From the test results and analysis showed that the use of chemically activated zeolite can improve the performance of 4-stroke petrol engine when compared without using  zeolite. The best performance in this experiment obtained at the normality of 0,75 N. At road test, the pelletized zeolite can reduce the fuel consumption 23, 15 %, and 16,51 % at stationary test, and increase acceleration by 14,77 %.Keywords: zeolite adsorbent, variation of normality, activator of NaOH
KEMAMPUAN BENTONIT PELET TEKAN TERAKTIVASI FISIK SEBAGAI PENGGANTI ZEOLIT DALAM MENGHEMAT KONSUMSI BAHAN BAKAR MOTOR DIESEL 4-LANGKAH Herry Wardono
JURNAL MECHANICAL Vol 2, No 1 (2011)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

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Abstract

Propinsi Lampung merupakan salah satu produsen zeolit terbaik dan terbesar di Indonesia. Herry Wardono telah membuktikan kemampuan zeolit Lampung dalam meningkatkan prestasi motor bakar. Disamping zeolit, potensi bahan tambang bentonit juga tersedia melimpah di Propinsi Lampung.  Bentonit memiliki bentuk senyawa yang tidak jauh berbeda dengan zeolit, dan kesamaan sifat dengan zeolit yaitu dapat mengadsorbsi uap air dan nitrogen. Bentonit pellet tekan teraktivasi fisik diletakkan pada saringan udara motor diesel 4-langkah. Konsentrasi bentonit dalam bentonit pelet diaktivasi fisik adalah 70, 75, dan 80%, dan berat bentonit divariasi sebesar 25, 50, dan 100 gram. Hasil pengujian menunjukkan bahwa terjadi penurunan (penghematan) konsumsi bahan bakar spesifik engkol. Persentase penghematan konsumsi bahan bakar tertinggi terjadi pada konsentrasi 70 % yaitu sebesar 8,1331 % pada putaran mesin 3500 rpm dengan berat 25 gram dan diameter 15 mm, dan pada konsentrasi 80 % sebesar 9,4275 % pada putaran mesin 3000 rpm dengan berat 100 gram dan diameter 10 mm. Namun, secara rata-rata persentase penghematan konsumsi bahan bakar tertinggi terjadi pada konsentrasi 70 %, yaitu sebesar 3,6031%.Kata Kunci:  bentonit pelet tekan, adsorpsi nitrogen, prestasi mesin diesel.
Co-Authors A.Yudi Eka Risano A.Yudi Eka Risano, A.Yudi Eka Abdul Aziz Abdul Kadir Fajarudin Abdullah Achmad Tarmizi Adi Ernadi afrisol putra Agus Sugiri, Agus Agustina Iryani, Dewi Ahmad Suudi Akhmad Riszal Aleksander Purba Amrizal Danur Sasongko Amrul Amrul Amrul Amrul Anandati, Ghea Maulidaco Andi Fiardi Andika Wiwaha Angelia Eka Salsabillah Anwar, Syaipudin Ari Andrew Pane Ari Andrew Pane, Ari Andrew Arief Andriansyah Armijon Armijon Arya Perdana, Guntur Aviati S., Yuniar Aziz, Sholhan Badaruddin, M. Bagus Rachmad Akbar Bagus Rachmad Akbar, Bagus Rachmad Bambang Supriyadi Basuki, Muji br Ginting, Simparmin Budiman Budiman Chandra Winata Pandapotan Chandra Winata Pandapotan, Chandra Winata Cheria Ayu Aditya Darmansyah DARMANSYAH . Darmansyah . Darmansyah . Darmansyah Darmansyah Darmansyah Darmansyah Denfi Efendri Denfi Efendri, Denfi Devi Permata Sari Devi Permata Sari Dewi Agustina Iryani Dewi Agustina Iryani Dewi Agustina Iryani, Dewi Agustina Dhesta Ari Andut Dian Eka Pratama Dian Eka Pratama, Dian Eka Dikpride Despa Edy Hamid Eko Pujiyulianto Eko Putra Eko Wahid Apriansyah Erisha Putri Erlangga, Sona Fajar Paundra Febri Antonia Fiandra, Firda Ghea Maulidaco Anandati Gigih Forda Nama Ginting, Simparmin Boru Guntur Arya Perdana Hadi Prayitno Hadi Prayitno, Hadi Hariani, Pepi Harmen Hassanah, Mareta Heri Rustamaji Herti Utami Herti Utami Hidayat Suryanegara Huda, Zulmiftah Ika Kustiani Irza Sukmana Irza Sukmana Irza Sukmana Irza Sukmana, Irza Ishak Islamia, Ulfa Junaidi Supratman Junaidi Supratman, Junaidi Juwanda Alsya Kadek Edi Artana Kustiani, I. M. Dyan Susila M. Dyan Susila ES M. Haviz Mareli Telaumbanua Martinus Martinus Martinus, Martinus Medriansyah Meizano Ardi Muhammad Miranda, Thalya Muh Sarkowi Muhammad Abdillah Sjaheru Muhammad Budi Setiawan Muhammad Hanif Muhammad Hanif Muhammad Sarkowi Mundir Nikolaus Derry Chandra Nikolaus Derry Chandra Novian Korin A Novian Korin A, Novian Noviansah, Try Nurul Azmi, Nurul Oki Endrata Wijaya Panji Kurniawan Praja, Rozak Putra , Ferly Indra Putri, Erisha Rahmadi, Ahmad Rahmansyah, Arif Rama Kapitan Ratna Widiyawati Ratna Widyawati Renardy, B Niko Risano, Yudi Eka A Risuli Utama Riszal, Akhmad Rizal Adi Saputra Rozak Indra Praja Saka Mahidaya Hutama Sandy Dwi Hardin Santoso, Arief Adkha Sari, Putri Fitria Sarkowi, M Sepyanto, Weldy Sihombing, Gunawan Poniton R.P. Simparmin br Ginting simparmin ginting Siti Fatimah Solly Aryza Sri Ismiyati Damayanti Sri Waluyo Sri Waluyo Sugiyanto - Suharno Suharno Suharno Suharno Syamsul Arifin Tarkono Tarkono Tebu, Yohanes Yonathan Thalya Miranda Thohirin, Muh Tohari Tohari Toni Hidayat Trisya Septiana Ulfa Islamia Wijaya, Muhammad Niki Winata, B. F. Yesi Yandriani Yuli Darni Yunita , Diana Yusniati Eka Saputri