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All Journal Majority Science Journal DIVERSITY: Journal of Multi Science Linearity
Busrian, Erin
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Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences

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IDENTIFICATION OF MOISTURE CONTENT IN THE CLASSIFICATION OF SOLID BULK CARGO OF NICKEL ORE THAT HAS THE POTENTIAL TO LIQUIFY WHILE IN THE CARGO HOLD OF A MERCHANT SHIP Mariah, Yuni; Busrian, Erin; Aziz , Amalil; Tazkiah, Tazkiah; Zaeni, Nur
MSJ : Majority Science Journal Vol. 4 No. 1 (2026): MSJ - February
Publisher : PT. Hafasy Dwi Nawasena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61942/msj.v4i1.550

Abstract

Iron ore has long been used for industrial steelmaking. Several countries have very large reserves of this commodity, such as Brazil and Australia, which export 70% of their total exports and are the two countries with the highest export value, followed by other countries such as South Africa, Chile, Canada, and the United States with an estimated 33%. Most iron ore is transported by Capesize ships > 80,000 DWT, and even for oceangoing transportation, it can be much larger, reaching 165,000 DWT with a ship length exceeding 350 meters with a draft of over 20 meters. Solid bulk cargo of nickel ore poses a risk in transportation because it can melt (liquefy) during the journey, reducing the stability of the ship, thus endangering the safety of the ship. Solid bulk cargo of nickel ore is classified as cargo group A, which is that it may liquefy if shipped at a moisture content (MC) exceeding the Transportable Moisture Limit (TML). The liquefaction of nickel ore cargo has caused the capsizing of several ships and reduced safety in transportation. To overcome the risk of liquefaction in solid bulk Nickel ore cargo before the start of loading, a laboratory moisture content test must be carried out so that the cargo is safe before being loaded. The purpose of this study is to analyze the moisture content in solid bulk Nickel ore cargo that is at risk of liquefaction and can disrupt the stability of the ship. If the Moisture Content in a Group A cargo exceeds the Transportable Moisture Limit, then the cargo can be declared unsafe to be loaded onto the ship. Therefore, the Moisture Content of the cargo must be reduced to less than the specified Transportable Moisture Limit.
Analisis Potensi Pencemaran Laut akibat Penggunaan Zat Kimia Beracun Cat Antifouling pada Lambung Kapal Mariah, Yuni; Aziz, Amalil; Busrian, Erin
DIVERSITY: Journal of Multi Science Linearity Vol. 3 No. 2 (2026): DIVERSITY: Journal of Multi Science Linearity, 2026
Publisher : ASIAN PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58738/diversity.v3i2.1330

Abstract

Pencemaran laut adalah kotoran atau hasil buangan aktivitas makhluk hidup yang masuk ke dalam laut. Penggunaan cat anti organisme menempel (antifouling) kapal merupakan salah satu sumber pencemar logam berat di laut,sedimen di dekat dok dan tempat sandar kapal  yang dapat merusak laut dan membunuh kehidupan di laut.    Logam berat seperti Cu dan Pb merupakan  polutan di perairan laut yang berasal dari lepasnya cat antifouling ke laut yang banyak digunakan pada lambung kapal. Industri galangan kapal dan pengecatan antifouling pada kapal berpotensi sangat besar menimbulkan pencemaran logam berat tembaga (Cu) dan timbal (Pb). Logam berat yang  terdapat di perairan laut   berbahaya baik secara langsung   maupun tidak langsung terhadap kehidupan organisme dan kesehatan manusia, karena bila logam berat tersebut tercemar di perairan laut akan mengalami penumpukan pada  organisme laut  dan   konsentrasi yang  tinggi logam berat dapat bersifat racun yang dapat membunuh organisme laut di dasar kapal.
Co-Authors Aziz , Amalil Aziz, Amalil Mariah, Yuni tazkiah, tazkiah Zaeni, Nur