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Yustinah Yustinah
Teknik Kimia Fakultas Teknik Univesitas Muhammadiyah Jakarta
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Journal : Journal of Applied Sciences and Advanced Technology

 1 
Process Control on the Platformer with the Adaptive Neuro-Fuzzy Inference System (ANFIS) Method Heri Setiono; Tri Yuni Hendrawati; Yustinah Yustinah
Journal of Applied Sciences and Advanced Technology Vol 4, No 3 (2022): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.4.2.51-56

Abstract

Catalytic naphtha reform (platformer) is the main process carried out in oil refineries to increase low octane naphtha into high octane gasoline. The Reformer will meet a wide range of products that require operating flexibility. Process optimization can be done by controlling using the ANFIS method. This optimization requires an accurate process model that is applicable in a wide range of operating conditions, therefore simplifications are made in the kinetic model modeling. This model provides three temperature profiles and concentrations of important hydrocarbons (naphthene, paraffin, and aromatic) throughout the reactor. The optimal control scheme using the ANFIS method is used to maximize the aromatic yield, following the reactor inlet temperature limit. The results obtained were compared with the aromatic results without control and using control with the neural network method. The results showed that the ANFIS method has the ability to control the process. Furthermore, the results obtained from the process are used to determine the pressure of the process during the reaction.
Extraction Of Pipper Betle L. And Formulation Of Herbal Propolis Mouthwash Wusono, Ciska Nabila; Hendrawati, Tri Yuni; Nugrahani, Ratri Ariatmi; Yustinah, Yustinah
Journal of Applied Sciences and Advanced Technology Vol. 7 No. 3 (2025): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.7.3.83-90

Abstract

Betel leaf (Pipper Betle L.) is a climbing plant that has many benefits. Betel leaves have long been used for fever therapy, cough, stomach cramps, anti-allergic, wound healing, antimicrobial, and antiproliferative. Extraction of betel leaves with green solvent requires optimization of the extraction time and percentage of betel leaves with water. Betel and propolis extracts need to be formulated to become an herbal propolis mouthwash. The purpose of this research (1). Getting the best time and percentage of betel leaves in the extraction into betel extract formulated to make herbal propolis mouthwash. (2). Getting the best formula for variations in the percentage of propolis in herbal propolis mouthwash, (3). Conduct a selectivity test to obtain the results of mouthwash as an antibiotic. Based on the results of this research with a comparison of the heating time of betel leaf extraction. Betel leaf extraction was carried out by the infusion method, and the extract was distilled with variations in the percentage of betel leaves of 2.5%, 5%, 7.5%, 10%, 12.5% , and 50% compared with water. The best heating time results for the best betel leaf extraction, based on the yield of betel leaf extraction and pH were 60 minutes. For the optimum betel leaf extraction results at a betel leaf concentration of 50%. Getting a yield value of 40% and pH 4.55 at an extraction time of 60 minutes. The research is still ongoing by conducting a test of the inhibition of Staphylococcus Aureus bacteria in herbal propolis mouthwash with variations in the percentage of propolis of 0%, 2.5%, and 5%.In the blank without the addition of propolis it does not inhibit bacteria Staphylococcus Aureus, the addition of 2.5% and 5% propolis to the herbal propolis mouthwash formula has been proven to inhibit bacteria Staphylococcus Aureus.
Co-Authors Aliyah Aliyah Arifka, Angelia Ainun Athiek Sri Redjeki Bambang Hartono Cardosh, Syafira R Cheppy Asnadi Fatma Sari Fitri Nuryani Frima Viantini Frima Viantini, Frima Gitya Putri Novitasari Hartini Hartini Haryanto, Muhammad Zinedine Helfi Gustia Heri Hermansyah Heri Setiono Hudzaifah Hudzaifah Ismiyati Ismiyati Ismiyati Ismiyati Jumai, Jumai Luqman Buchori Maya Aprilia Misri Gozan Moh Djaeni Nabilah, Rifa Nurhayati Nurhayati Nurul Hidayati Fithriyah Prasasty Putri Solekhah R. R. Aisha Nastiti Rahayu R.R. Aisha Nastiti Rahayu Ratri Ariatmi Nugrahani Rizki Herawati Rosdiana Rosdiana Sampor Ali Sarah Fauziah Sri Noviyanti Sugeng, Santoso Suratmin Utomo Susanty Susanty, Susanty Syabilla Rachmadina Cardosh Syafira R. Cardosh Syamsudin AB Syamsudin AB Syamsudin Abdullah Syarif, Tiara Almas Tri Yuni Hendrawati Tri Yuni Hendrawati Ukhtun Ba’diyah Ummul Habibah Hasyim Wahid Arinanto Nugroho Wike Maylani Wike Maylani Wulandari, Qodriani Apri Wusono, Ciska Nabila Zuliani Zuliani