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PENGARUH KECEPATAN PUTARAN AGITATOR TERHADAP PROSES PEMISAHAN MINYAK DAN LUMPUR DI UNIT CONTINUOUS SETTLING TANK Mustakim; Reza, Faisal
ATDS Saintech Journal of Engineering Vol. 3 No. 1 (2022): Edisi Juni
Publisher : Akademi Teknik Deli Serdang

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh kecepatan putaran agitator terhadap proses pemisahan minyak dan lumpur di unit continuous settling tank di. Berdasarkan pengaruh kecepatan putaran kadar minyak yang terdapat pada lumpur di sampel A dengan putaran agitator sebesar 41 rpm didapatkan rata-rata sampel akhir sebesar 0 ml dan kadar minyak sebesar 0%. Hal ini menunjukkan bahwa putaran pada agitator masih dikatakan normal sehingga tidak terdapat minyak yang terikut pada lumpur. Sedangkan pada sampel B dengan putaran 46 rpm didapatkan rata-rata sampel akhir sebesar 0,26 ml terdapat kadar minyak sebesar 2,66 % dan sampel C dengan putaran agitator 51 rpm didapatkan rata-rata sampel akhir sebesar 0,81 ml dan kadar minyak pada lumpur adalah sebesar 8 %. begitu juga dengan putaran 56 dan 61 kandungan minyak yang terkandung pada sludge meningkat. Hal ini menunjukan bahwa putaran pada agitator yang cukup besar dapat menyebabkan terikutnya kadar minyak pada lumpur.
PENGARUH BUKAAN BLOWER DAMPER PADA LTDS (LIGHT TENERA DRY CEPARATOR) UNTUK PEMISAHAN CANGKANG, KERNEL, DAN PECAHAN KERNEL DI PT. X Mustakim; Saragih, Bilra Denny Bastanta
ATDS Saintech Journal of Engineering Vol. 3 No. 2 (2022): Edisi Desember
Publisher : Akademi Teknik Deli Serdang

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LTDS (Light Tenera Dry Ceparator) yaitu pemisahaan antara cangkang dengan inti (Kernel) yang dilakukan dengan cara pemisahan kering. Sistem pemisahan yang dilakukan disini adalah dengan menggunakan tenaga hisapan blower dan diatur menggunakan adjustable damper untuk memperbesar dan memperkecil aliran udara. Tujuan dari penelitian ini adalah mengetahui Pengaruh Bukaan Blower Damper pada LTDS (Light Tenera Dry Ceparator) untuk pemisahan Cangkang, Kernel, dan Pecahan Kernel. Metode Penelitian yang dilakukan adalah dengan cara melakukan pengaturan bukaan Blower Damper pada LTDS mulai dari bukaan 25%, 50%, 75%, dan 100%. Bukaan blower damper yang paling baik ada di bukaan 75%, yang dimana kadar Kotoran (Cangkang, Nut utuh, Nut ½ pecah) 5,48 % dan Losses Kernel (Kernel Utuh, Kernel Pecah) 6,39%.
KECEPATAN LAJU KOROSI IMPELLER POMPA SENTRIFUGAL BERBAHAN STAINLESS STEEL TYPE 304 PADA STASIUN CRUDE OIL TANK Mustakim; Syahputra, Syofyan Anwar; Nur Hikmah
ATDS Saintech Journal of Engineering Vol. 2 No. 2 (2021): Edisi Desember
Publisher : Akademi Teknik Deli Serdang

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Korosi merupakan penurunan mutu logam yang diakibatkan oleh lingkungan atau zat kimia dan berpengaruh pada kondis suatu material, demikian halnya pada baja komersil. Beberapa faktor yang berpengaruh terhadap laju korosi diantaranya salinitas, pH, temperatur dan kelarutan oksigen dalam media korosi. Pada penelitian ini digunakan impeller (sudu-sudu) pompa berbahan stainless steel sebagai sampel penelitian dengan variasi kecepatan motor penggerak sebesar 0 rpm,1430 rpm, 1465 rpm, dalam pengujian weigh loss (kehilangan berat) yang dilakukan selama 50 jam. Dari hasil penelitian maka di dapatkan hasil korosi terbesar terjadi pada kecepatan motor penggerak tertinggi yaitu 1465 rpm dan dengan hasil produk korosi sebesar 0,038 mm/y, yang selanjutnya di ikuti kecepatan motor sebesar 1430 rpm dengan laju korosi sebesar 0,027 mm/y dan kemudian laju terendah terjadi pada putaran motor penggerak dengan kecepatan 0 rpm dengan laju korosi sebesar 0,020 mm/y.
Legal Certainty Against the Annulment of Ultra Petita Divorce Decisions (Case Study of Decision Number 132/Pdt. G/2019/PN Bpp Jo Decision Number 125/Pdt/2019/PT.SMR): Kepastian Hukum terhadap Pembatalan Putusan Perceraian yang Bersifat Ultra Petita (Studi Kasus Putusan Nomor 132/Pdt. G/2019/PN Bpp Jo Putusan Nomor 125/Pdt/2019/PT.SMR) Andi Nadyafatin Wadianita; Mustakim
Al-Zaujiyyah: Jurnal Hukum Keluarga Islam Vol 1 No 1 (2024): Juni
Publisher : Syamilah Publishing

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Article 24 of the 1945 Constitution of the Republic of Indonesia in conjunction with Article 1 paragraph 1 of Law Number 48 of 2009 concerning Judicial Power regulates the authority of court judges who have the freedom to make decisions to the extent regulated by law. However, civil court judges are prohibited from committing ultra petita which can result in the annulment of the decision at the appeal level as happened in Decision Number 125/Pdt/2019/PT.SMR. The problem in this study is how are the criteria for ultra petita court decisions? How are the decisions and legal considerations of the judges of the East Kalimantan High Court Decision Number 125/Pdt/2019/PT.SMR which annulled the Balikpapan District Court Decision Number 132/Pdt.G/2019/PN.Bpp on divorce considered as ultra petita? This research method is normative juridical using secondary data. The results of the research state that the criteria for ultra petita court decisions are first the judge's decision that exceeds the petitum; Second is that the Court Judge who grants part of the prima facie petitum and part of the subsidiary petitum; Third is that the Court Judge is active. The decision and legal reasoning of the Judge of the East Kalimantan High Court Number 125/Pdt/2019/PT.SMR which annulled the decision of the Balikpapan District Court Number 132/Pdt.G/2019/PN.Bpp on divorce is considered as ultra petita is not appropriate. This is because the Judge of Balikpapan District Court gave a clear and detailed reason in his consideration, namely in the context of orderly administration. Other than that, there is a request for ex aequo et bono from the plaintiff. Another thing is the freedom of judges in deciding cases as mandated by the Constitution.
PENGARUH PROBLEM BASED LEARNING (PBL) DALAM PEMBENTUKAN KARAKTER KEPEMIMPINAN SISWA SDN 2 BAJUGAN: Kuantitatif Quasi Experimental Ernawati; Mustakim; Nasriani
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 03 (2025): Volume 10 No. 03 September 2025 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i03.34451

Abstract

This study aims to analyze the influence of the implementation of the based learning (PBL) program on the formation of student leadership character at SDN 2 Bajugan. The type of research in this study is quantitative correlation with the quasi experimental design of the pretest-posttest type which was carried out on students of SDN 2 Bajugan with a total population of 255 students. The research sample consisted of two classes, namely class 5A with 23 students and class 5B with 22 students selected using purposive sampling. Data collection is carried out through observation and tests. Data analysis using SPSS 25 software. The results showed the significance of the based learning (PBL) program in the Mann-Whitney U Test (0.033) > 0.050. The results of the character formation of SDN 2 Bajugan students there are differences between classes 5A and 5B where the results in the class implementing the program based learning (PBL) model are 51,22 for class 5A, while class 5B is 39,52. Thus, the implementation of the based learning (PBL) program as a whole has a significant effect in helping the formation of leadership character in SDN 2 Bajugan students.
PENGARUH PROBLEM BASED LEARNING (PBL) DALAM PEMBENTUKAN KARAKTER KEPEMIMPINAN SISWA SDN 2 BAJUGAN: Kuantitatif Quasi Experimental Ernawati; Mustakim; Nasriani
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 03 (2025): Volume 10 No. 03 September 2025 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i03.34451

Abstract

This study aims to analyze the influence of the implementation of the based learning (PBL) program on the formation of student leadership character at SDN 2 Bajugan. The type of research in this study is quantitative correlation with the quasi experimental design of the pretest-posttest type which was carried out on students of SDN 2 Bajugan with a total population of 255 students. The research sample consisted of two classes, namely class 5A with 23 students and class 5B with 22 students selected using purposive sampling. Data collection is carried out through observation and tests. Data analysis using SPSS 25 software. The results showed the significance of the based learning (PBL) program in the Mann-Whitney U Test (0.033) > 0.050. The results of the character formation of SDN 2 Bajugan students there are differences between classes 5A and 5B where the results in the class implementing the program based learning (PBL) model are 51,22 for class 5A, while class 5B is 39,52. Thus, the implementation of the based learning (PBL) program as a whole has a significant effect in helping the formation of leadership character in SDN 2 Bajugan students.
PENERAPAN MACHINE LEARNING PADA ANALISIS SENTIMEN APLIKASI MYTELKOMSEL MENGUNAKAN DATA ULASAN GOOGLE PLAYSTORE Fauzan, Farin Junita; M Afdal; Rice Novita; Mustakim
The Indonesian Journal of Computer Science Vol. 13 No. 3 (2024): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v13i3.4024

Abstract

The MyTelkomsel application is a digital access platform that provides telecommunications services. Therefore, sentiment analysis of MyTelkomsel application users is relevant for obtaining valuable insights for application development and management. This research aims to conduct sentiment analysis and compare methods on review data of the MyTelkomsel application. The dataset used is divided into two topics: service and user reviews. The labeling method in this research uses Lexicon Based and Indonesian Language Experts with three classes: positive, negative, and neutral. The labeled review dataset is then applied with SVM and Random Forest methods. The results obtained from applying two datasets with two labeling approaches indicate that the approach by experts tends to be more accurate compared to the lexicon-based approach because the highest accuracy of the lexicon-based approach is 79%, while the expert labeling achieves an accuracy of 83%. Additionally, in this study, the SVM algorithm demonstrates the highest accuracy, namely 83%, on the user dataset analyzed by Indonesian Language Experts.
Implementasi Association Rule Untuk Rekomendasi Strategi Up-Selling dan Cross-Selling Produk Menggunakan FP-Growth Nabiilah, Nabiilah; M. Afdal; Novita, Rice; Mustakim
The Indonesian Journal of Computer Science Vol. 13 No. 3 (2024): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v13i3.4025

Abstract

BC 4 HNI Pekanbaru is a subsidiary of PT. HNI-HPAI Indonesia offers a diverse range of items for sale. Insufficiently effective promotions, despite high transaction volumes, can result in certain items being less recognized and thus impractical. The purpose of employing the FP-Growth algorithm in data mining is to uncover product association patterns and produce rules for sales tactics using the CRM approach. Implementing CRM strategies that incorporate cross-selling and up-selling techniques can enhance sales. Cross-selling involves offering additional products or services connected to the items purchased, while up-selling involves encouraging customers to buy higher-value goods than initially intended, boosting sales of more expensive items. Among the 20 results obtained from analyzing transaction data from July 2023 to December 2023 using FP-Growth, only the rules with a minimum support value of 5% and a minimum confidence of 70% are considered for cross-selling strategies. Additionally, the rules with a minimum support value of 5% and a minimum confidence of 10% are considered for up-selling.
Guided Imagery Relaxation for Acute Pain in Pre-Operative Paralitic Ileus Patient: A Case Study Nur Rofi'ah, Siti; Hakam, Mulia; Murtaqib; Mustakim
Jurnal Kegawatdaruratan Medis Indonesia Vol. 2 No. 1: February 2023
Publisher : Al-Hijrah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58545/jkmi.v2i1.62

Abstract

Patients with paralytic ileus generally have complaints of abdominal pain of uncertain duration. The pain that appears can get worse with anxiety about something being experienced, such as a surgical action plan. Feelings of anxiety can be a stressor and cause nursing problems in the form of anxiety. Guided imagery therapy is known to be a non-pharmacological therapy in dealing with pain and feelings of anxiety in preoperative patients. This study aims to analyze the administration of guided imagery relaxation therapy to the problem of acute preoperative pain in patients with paralytic ileus. The research method used in this study was a descriptive case study. The research was conducted for three days on one patient with preoperative paralytic ileus in the Mawar Room at RSD dr. Soebandi Jember. Guided imagery therapy is carried out twice daily for 20-30 minutes. The results obtained from this study were that after pain management was carried out with guided imagery therapy, the patient's pain level decreased from the NRS 6 scale to the NRS 5 scale, respiratory frequency 20x/minute, SpO2 96%, blood pressure 130/100 mm Hg, pulse rate 101x/minute. Reducing the pain scale results indicate that guided imagery therapy can be applied to treat pain and anxiety in preoperative patients to improve their condition. respiratory frequency 20x/minute, SpO2 96%, blood pressure 130/100 mmHg, pulse rate 101x/minute. Reducing the pain scale results indicate that guided imagery therapy can be applied to treat pain and anxiety in preoperative patients to improve their condition. respiratory frequency 20x/minute, SpO2 96%, blood pressure 130/100 mmHg, pulse rate 101x/minute. Reducing the pain scale results indicate that guided imagery therapy can be applied to treat pain and anxiety in preoperative patients to improve their condition.
The Impact of 30-Degree Head-Up Position on Cerebral Perfusion in Moderate Brain Injury Patients Basuki, Pinky Issabella Nanda; Siswoyo; Rondhianto; Mustakim
Jurnal Kegawatdaruratan Medis Indonesia Vol. 3 No. 1: February 2024
Publisher : Al-Hijrah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58545/jkmi.v3i1.168

Abstract

Background: Nursing problems in brain injury patients include the risk of ineffective perfusion due to reduced oxygen flow to the brain, which, if not treated immediately, will increase intracranial pressure (ICP). One way to increase ICP is with 30-degree head-up position intervention. Objective: This study aimed to analyze the application of 30-degree Head Up Position on Cerebral Perfusion in Moderate Brain Injury Patients. Method: This research is an observational study with a case study design. Primary data was obtained through anamnesis and physical assessment with a sample of a patient being treated in the Hospital by assessing the effect of the 30-degree head-up position carried out for 30 minutes for 3 consecutive days. Results: In this study, the results showed an increase in cerebral perfusion as indicated by cerebral perfusion indicators, namely blood pressure, MAP, pulse, patient breathing improved, and the patient's level of consciousness increased until the final evaluation. Conclusion: From the results of the innovation analysis in this case, providing a 30-degree head-up position in patients with a risk of ineffective cerebral perfusion is one form of effectiveness in increasing the patient's cerebral perfusion so that it can prevent an increase in intracranial pressure.
Co-Authors Abd Muis B. Abdurrahman Wahid, Abdurrahman Abror, Naufal Achmad Aziz Saifullah Afdal, M.Afdal AHMAD EFFENDI Ahmad Fahrul Rizal Aliyyah, Salwa Nur Amelia Rizka Wardana Anas Ikhlasul Amal Andi Bustam Didi Andi Nadyafatin Wadianita Anggraini Insiano, Dewi Annisa Rizky, Sabrina Atmaja Johny Artha, I Ketut Auliani, Sephia Nazwa Ayu, Ayu Audia S. Basirun Basuki, Pinky Issabella Nanda Candra Wijaya, Candra Dani Hari Tunggal Prasetiyo DARYONO Dede Imelda Syarif Deyidi Mokoginta Dihartawan Djoko Wahyudi Dwi Iryaning Handayani Emirati Ernawati faisal Reza Fauzan, Farin Junita Fauzi, Muhammad Arman Fauzi Firqa Nabila Ganang Riswanda Nur Wibawa Hafan Sutawardana, Jon Hamna Hasia Marto Heryanto Susilo Indah Permata Sari Indra Ira Aisyah Iswahyudi, M. Subhan Jabri, Umiyati Jumhuri, Muhammad Yusuf Karmila Risa Rahmawati Kartika Novita Rohmah Kasmaida kasmaida Koedoeboen, Arman Kristyowati, Yuli Laeliyatul Hasanah Latifha Sari, Nadjwa Lia Nanda Saputri Lodes Haju M Afdal M Afdal M Chairul Anam M. Afdal M. Afdal M. Fathuddin Noor, M. Fathuddin Mardliyah , Sjafiatul Masidin Merly Yanti Moh. A'rijul Ulya Moh.Iqbal Hamdani Muh. Darmawan Swandi Muh. Khaerul Ummah BK Muhammad Habil Auzan Muhammad Jabir Muhammadiah Muhammad Zhafran Amin Mulia Hakam Murtaqib Murtaqib Mutmainnah Nabiilah, Nabiilah Nasriani Nina Ariani Ni’mah Wahyuni Nur Afdalia Nur Hikmah Nur Nafisah Nur Rofi'ah, Siti Nuril Ilmiah Nusantara , Widya Oktavianus, Yosep Pangestu, Adinda Widia Purwito, Edy Rasidah Rizki Ratna Kartikasari Resky Yuniarty Siregar Rezki Triviananda Rice Novita Rice Novita Riduan Saberan Rondhianto Rondhianto Rosdarni Rusman Efendi Santoso Gunawan Saragih, Bilra Denny Bastanta SISWOYO Siti Ila Maufiroh Siti Riptifah Tri Handari Sofi Nurlaila Sudarmono, Enjellytha Suhandini Tjahjaningsih, Yustina Suparman, Ade Supini, Murmanan Syafrida Syafrida, Syafrida Syahputra, Syofyan Anwar Syaiful Hidayat Veza, Okta Wardana, Deny Warsito Widodo Widodo Widodo Wowiling, Steiva Amerlien Sandra Yuda, Afi Ghufran Yuniar Islamiati Yuniar Putri Ayu Wulandari Yusril Ihza Mahendra Yustina , Suhandini Yustina Suhandini Tjahjaningsih Yuswa, Rizky Amalia Zakariyah, M Fahmi