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All Journal REKA RACANA Jurnal Adijaya Multidisiplin Jurnal Riset Multidisiplin Edukasi IPSSJ Paradigma: Jurnal Filsafat, Sains, Teknologi, dan Sosial Budaya
Riny Yolandha Parapat
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Religion Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Public Health Social Sciences Other

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HAZARD IDENTIFICATION, RISK ASSESSMENT, AND RISK CONTROL STUDY IN THE MIXED HYDROXIDE PRECIPITATE (MHP) PROCESS Devendra Braja Nugraha; Choerudin; Riny Yolandha Parapat
Integrative Perspectives of Social and Science Journal Vol. 3 No. 06 Juni (2026): Integrative Perspectives of Social and Science Journal
Publisher : PT Wahana Global Education

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Abstract

Mixed Hydroxide Precipitate (MHP) merupakan produk antara penting dalam proses hidrometalurgi nikel yang berperan sebagai bahan baku menuju produksi nikel dan kobalt untuk material baterai lithium-ion. Makalah ini membahas proses pembentukan MHP serta mengevaluasi potensi bahaya dan risiko operasional menggunakan metode Hazard and Operability Study (HAZOP). Analisis dilakukan melalui pendekatan hidrometalurgi skala laboratorium yang merepresentasikan pengolahan berbasis High Pressure Acid Leaching (HPAL), dengan fokus pada tahap pengendapan hidroksida nikel dan kobalt. Parameter operasi utama yang diamati meliputi pH, temperatur, waktu reaksi, dan laju penambahan reagen, sementara aspek keselamatan dianalisis melalui identifikasi bahaya dan penilaian tingkat risiko. Hasil analisis menunjukkan bahwa performa proses dan kualitas produk MHP sangat dipengaruhi oleh pengendalian parameter operasi, terutama pH dan dosis reagen. Pengendalian parameter yang tepat mendukung pengendapan nikel dan kobalt secara lebih selektif serta mengurangi terbentuknya pengotor yang dapat menurunkan mutu produk. Analisis risiko mengidentifikasi beberapa potensi bahaya signifikan pada proses MHP, terutama pada tahap penanganan bahan kimia korosif, pengendalian temperatur, serta penambahan reagen. Skenario seperti overdosing reagen, kegagalan peralatan, dan paparan bahan kimia dikategorikan memiliki tingkat risiko sedang hingga tinggi sehingga memerlukan pengendalian tambahan. Pembahasan ini menegaskan bahwa keberhasilan proses MHP tidak hanya ditentukan oleh efisiensi hidrometalurgi dan tingkat recovery logam, tetapi juga oleh kemampuan sistem dalam menjaga keselamatan dan stabilitas operasi. Integrasi antara optimasi proses dan pengendalian risiko memberikan pendekatan yang lebih komprehensif dalam mendukung operasi MHP yang lebih efektif dan aman.
Identifikasi dan Penilaian Risiko Keselamatan dan Kesehatan Kerja pada Gedung Teknik Kimia Slafudin; Sirotun Nazwa; Steavany Sari Pratiwi; Riny Yolandha Parapat
Paradigma: Jurnal Filsafat, Sains, Teknologi, dan Sosial Budaya Vol. 32 No. 1 (2026): Paradigma: Jurnal Filsafat, Sains, Teknologi, dan Sosial Budaya
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/paradigma.v32i1.3399

Abstract

Occupational Health and Safety (OHS) is an important aspect in creating a safe, healthy, and productive working environment, including in Chemical Engineering buildings that have various potential hazards due to laboratory activities, the use of chemicals, and the operation of laboratory equipment. This study aims to identify potential OHS risks, assess the level of risk, and determine risk control measures in the Chemical Engineering building. The method used was Hazard Identification and Risk Assessment (HIRA), which includes hazard identification, risk assessment based on the likelihood and severity levels, and the implementation of risk control according to the hierarchy of controls. The results showed that several potential hazards identified included chemical exposure, fire hazards, gas leakage, electrical hazards, and work accidents caused by the use of laboratory equipment. The risk levels obtained were categorized as low, medium, and high depending on the type of activity and the working environment conditions. Risk control measures were carried out through hazard elimination, material substitution, engineering controls, administrative controls, and the use of personal protective equipment (PPE). In addition, the implementation of OHS training, safety induction, and periodic evaluations are important steps in improving the safety culture within the Chemical Engineering building environment. With the implementation of a proper OHS system, it is expected that the risk of work accidents can be minimized, thereby creating a safe and comfortable learning and working environment.
Co-Authors ABEL ASHA MAHENDRA Aditya Raka Fadhilla Aldi Muhamad Rizky Ayu Risnawati Ayunita Yuniar Choerudin Devendra Braja Nugraha DIYAS YASYA SYAHWALNA Grace Rafael Haloho Hamdhan, Indra Noer Helmi Sayid Hasan Imam Aschuri Irwan, Ronald Marsya Imara Sabrilia Maya Ramadiati Muhamad Arif Nugraha Muthi Hannindyah Ngainul Khodarrohmah Nisa Wahyu Septiyaningsih Nola Septiani Pramita Novianti Purnama Dewi Silfi Ama Della Sirotun Nazwa Siti Najmatul Mu’izzah Slafudin Steavany Sari Pratiwi Sulistya Nurul Fitri Tito Irawan Utimah Syaratim Vina Aprillia Windy Nur Ramadhani Putri Hidayat Yosanti Iskandariah Noor Yuono