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All Journal PENDIPA Journal of Science Education Jurnal Teknik Jurnal Sains Teknologi dalam Pemberdayaan Masyarakat Journal of Engineering Environtmental Energy and Science Journal Of Computer Science Contributions (JUCOSCO)
Lisa Adhani
Universitas Bhayangkara Jakarta Raya
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Other

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Pengaruh Suhu pada Inhibitor Daun Pandan Terhadap Laju Korosi pada Baja SS-304 dalam Larutan Asam HCL 0,1M Laras Andria Wardani; Hernowo Widodo; Lisa Adhani; Everlita Sabrina; Amaliah Annisa
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 20 No 1 (2021): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jt.vol20no1.372

Abstract

The phenomenon of corrosion cannot be avoided in the use of the metal industry, therefore a corrosion inhibitor is needed to inhibit the corrosion rate of steel. The aim of this research is to obtain natural inhibitors that are effective in inhibiting the corrosion rate. In this study, the sample used is stainless steel which is most often used in everyday life, namely SS (Stainless Steel)-304. Some of the organic or natural inhibitors used in this study is pandan leaves. The variables used were immersion time and temperature. Furthermore, the parameters studied were the corrosion rate of steel and the morphology of SS-304 steel using the SEM test. The results showed that the best corrosion rate and morphology using pandan leaves at a temperature of 60℃ soaked with 0,1 N HCL solution for 5 weeks.
Sosialisasi Media Sosial dan Pembuatan Hand sanitizer, Hand soap dalam Rangka Ikut serta Menanggulangi COVID-19 Lisa Adhani; Mayadi; Siti Setiawati; Khairunnisa Fadhilla Ramdhania
Jurnal Sains Teknologi dalam Pemberdayaan Masyarakat Vol. 1 No. 1 (2020): July 2020
Publisher : Fakultas Teknik Universitas Bhayangkara Jakarta Raya

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

Abstract

Wabah COVID-19 telah dinyatakan sebagai pendemi oleh WHO sejak 11 Maret 2020. Penetapan itu didasarkan pada persebaran virus secara geografi yang telah mencapai 114 negara termasuk Indonesia. Hal ini yang menjadi tujuan program pengabdian masyarakat (PKM) Fakultas Teknik Universitas Bhayangkara Jakarta Raya kali ini, yaitu ikut terjun mensosialisasikan cara menanggulangi dan mencegah pendemi COVID-19. Tema dari PKM ini yaitu sosialisasi peranan media sosial dalam rangka ikut menanggulangi wabah COVID-19 dengan pembuatan dan pembagian hand sanitizer serta hand soap di desa Sukaraja, Tambelang, Bekasi. Metode yang digunakan adalah edukasi dengan menggunakan media pamflet yang berisi peranan media sosial dalam memberi info tentang wabah COVID-19, pencegahan dan cara menanggulanginya serta penggunaan media sosial dengan bijak. Juga diberi tambahan pengetahuan tentang cara pembuatan hand sanitizer dan hand soap. Dipilihnya metode ini, sebagai wujud social distancing saat berlakunya pembatasan sosial berskala besar (PSBB) di Bekasi. Pamflet ini diserahkan kepada warga bersamaan dengan pembagian hand sanitizer dan hand soap. Hasil dari PKM dilihat dari antusias masyarakat dalam menerima pamflet, dan pembagian hand sanitizer serta hand soap. Diharapkan dari kegiatan PKM ini, masyarakat Desa Sukaraja, Tambelang bisa lebih cerdas dalam memanfaatkan media sosial yang ada dan memahami tentang wabah COVID-19, cara mencegah dan menanggulanginya, serta tahu cara pembuatan hand sanitizer dan hand soap sehingga dapat menjadi pemicu bagi jiwa kewirausahaan.
Analisis Efisiensi Boiler menggunakan Metode Langsung di Pembangkit Listrik Tenaga Sampah (PLTSa) Bantargebang Nabila Thifalia Sahda; Jayusandi Mulya Sentosa; Lisa Adhani
Journal of Engineering Environmental Energy and Science Vol 1 No 1 (2022): January 2022
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (749.892 KB) | DOI: 10.31599/joes.v1i1.979

Abstract

Boiler adalah closed vessel yang mengubah energi kimia dari pembakaran bahan bakar menjadi energi panas. Boiler di PLTSa Bantargebang berfungsi sebagai generator uap untuk memutar turbin sehingga dapat digunakan untuk menghasilkan energi listrik melalui generator listrik. Studi ini menganalisis efisiensi boiler berbahan bakar limbah di PLTSa Bantargebang menggunakan metode langsung. Hasil analisis menunjukkan bahwa boiler berbahan bakar limbah memiliki nilai efisiensi boiler tertinggi yang dicapai sebesar 56,5%, sedangkan nilai efisiensi boiler terendah adalah 38,8%. Faktor yang mengurangi efisiensi boiler di PLTSa Bantargebang antara lain karena limbah yang merupakan bahan bakar utama yang masih mengandung kadar air, kebersihan permukaan tabung boiler, dan kualitas air.  
Pembuatan Sediaan Gel Dari Ekstrak Herba Pegagan (Centella Asiatica L. Urban) Sebagai Obat Luka Sayat Pratiwi Dyah Indriyani; Tyas Prasetyaningrum; Lisa Adhani
PendIPA Journal of Science Education Vol 7 No 2 (2023): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.7.2.259-264

Abstract

Gotu kola (Centella asiatica L. Urban) contains the active ingredient saponin, an asiaticoside compound that acts as an antibiotic and spurs the production of collagen I, a protein that accelerates the wound healing process. The purpose of this study was to formulate a gel material from ethanol extract of gotu kola herb that meets the requirements of a good gel. In this study, gotu kola saponins were obtained from the extraction process carried out using a stirred extractor at 65°C, 350 rpm and 30, 60, 90, 120, and 150 minutes. Identification of saponins was done using FTIR (Fourier Transform InfraRed). The gel formulation was made with concentrations of 5%, 10%, and 15%. A mass transfer coefficient of 0.01240 min-1 was obtained. The IR spectrum results showed the presence of O-H groups, C-H alkane groups (CH2, CH3), C=O carbonyl groups and C-O ester groups. The results of the evaluation carried out with the three gel concentrations in the organoleptic test, pH test, viscosity test, stability test, adhesion test and spread ability test met the requirements of a good gel.
Transformasi Limbah Minyak Jelantah Menjadi Produk Sabun-Batang di Dukung Digital-Branding Sebagai Upaya Kemandirian Ekonomi Rafika Sari; Khairunnisa Fadhilla Ramdhania; Ratna Sari; Lisa Adhani; Rakhmi Khalida
Journal Of Computer Science Contributions (JUCOSCO) Vol. 3 No. 2 (2023): Juli 2023
Publisher : Lembaga Penelitian, Pengabdian kepada Masyarakat dan Publikasi Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/gv9j5e54

Abstract

Every household produces used cooking oil because the use of cooking oil is one of the primary needs of society.Waste cooking oil if not managed properly will make the environment dirty and can contaminate water and soil.To overcome this problem, innovation is needed in the management of used cooking oil by involving thecommunity so that the waste can be utilized to become recyclable products that can be reused in everyday life andeven become products of economic value that are environmentally friendly. One of the potential wastes of cookingoil is the high content of fatty acids that can be used to make soap. Soap products can be obtained from thehydrolysis reaction of fatty acids with bases (alkali). Therefore, this Community Service (PkM) activity wascarried out to increase the added value of used cooking oil by processing it into bar soap. This PkM activityincludes four stages, namely observation, information transformation, digital literacy and activity evaluation. Thetarget of this service program is housewives (IRT) in Srimukti Village, Bekasi Regency. From the results of asurvey conducted after the training activities, the participants were very satisfied with the ease of obtaininginformation about the implementation of the training, the training material in the form of processing used cookingoil waste and improving digital-branding skills which were considered very necessary for residents and the waythe instructor delivered material that was easy to understand.
Co-Authors Amaliah Annisa Everlita Sabrina Jayusandi Mulya Sentosa Khairunnisa Fadhilla Ramdhania Laras Andria Wardani Mayadi Mayadi Nabila Thifalia Sahda Pratiwi Dyah Indriyani RAFIKA SARI Rakhmi Khalida Ratna Sari Siti Setiawati Tyas Prasetyaningrum Widodo, Hernowo