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Marine Engineering Innovation for Environmental Compliance: An Integrated Environmental Engineering Framework for Indonesian Domestic Vessel Operations Susi Herawati; Marihot Simanjuntak; Larsen Barasa; Natanael Suranta; Marudut Bernadtua Simanjuntak
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 2 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i2

Abstract

Marine engineering is undergoing a fundamental redefinition — from a discipline optimized primarily for propulsive performance and fuel economy to one in which environmental engineering is integral to every shipboard system domain. This study develops an Integrated Environmental Engineering Framework (IEEF) for Indonesian domestic vessel operations, synthesizing marine engineering innovation literature across propulsion, thermal management, exhaust treatment, waste management, and hull systems into a structured, evidence-based environmental technology portfolio. A mixed-methods methodology was employed, combining quantitative Environmental Engineering Audit Protocol (EEAP) assessment of 72 Indonesian domestic vessels across 10 MARPOL-relevant engineering domains with AHP-TOPSIS multi-criteria technology assessment involving 24 domain experts. The audit reveals critical compliance gaps in CII monitoring systems (36%), waste heat recovery installation (10%), and eco-compliant antifouling coatings (35%), alongside high-severity deficits in NOₓ treatment (42%), sewage treatment (44%), and ballast water management (50%). AHP-TOPSIS ranking identifies waste heat recovery and CII digital monitoring as equal top-priority investments (composite score 0.83), followed by nano-hybrid antifouling (0.79), Annex IV sewage treatment (0.77), SCR/EGR NOₓ reduction (0.72), and LNG dual-fuel conversion (0.68). The IEEF organizes these priorities within a three-horizon implementation roadmap — Horizon 1 (2025–2027) deploying proven compliance technologies, Horizon 2 (2027–2032) advancing NOₓ reduction and hybrid system integration, and Horizon 3 (2032–2050) transitioning toward hydrogen, ammonia, fuel cell propulsion, and on-board carbon capture — providing a structured engineering trajectory aligned with IMO 2050 net-zero ambition.
Enhancing Maritime Vocational Education: A Qualitative Analysis of Curriculum Alignment, Technological Integration, and Sustainability Practices Marihot Simanjuntak; Susi Herawati; Imam Fahcruddin; April Gunawan Malau
Dinasti International Journal of Education Management and Social Science Vol. 7 No. 5 (2026): Dinasti International Journal of Education Management and Social Science (June
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v7i5.6604

Abstract

Despite growing global recognition of the need to modernise maritime vocational education, there remains a significant research gap in understanding how curriculum, technological integration, and sustainability practices align with current industry demands in developing countries, particularly in Indonesian maritime institutions. This study addresses this gap by exploring the experiences and perceptions of three key stakeholder groups—maritime industry professionals (n = 5), lecturers (n = 5), and recent graduates (n = 5)—totalling 15 informants selected through purposive sampling. Using Braun and Clarke's (2006) six-phase thematic analysis, three major themes emerged: (1) partial curriculum–industry alignment, with curricula rooted in conventional seafaring competencies yet inadequately responsive to digital and autonomous shipping innovations; (2) a substantial technology integration deficit, whereby exposure to advanced digital systems such as electronic chart display and information systems (ECDIS) and integrated bridge systems remains superficial; and (3) a sustainability education gap, in which environmental and decarbonisation literacy is introduced theoretically but lacks applied, IMO-aligned practical training. These findings suggest the need for structured curriculum reform, industry co-design mechanisms, and investment in simulation-based and green-technology training infrastructure. This study contributes to the emerging literature on maritime education reform and offers actionable implications for institutions, policymakers, and the broader maritime training community.