A marine scrubber is an emission-reducing system installed on ships to clean exhaust gases. These devices remove sulfur oxides (SOx) and particulate matter from ship engine emissions. Accordingly, marine scrubber technology allows vessels to meet the International Maritime Organization’s IMO 2020 sulfur cap regulations. It helps protect air quality in ports, along coastlines, and at sea.
How Marine Scrubbers Reduce Shipping Emissions
Marine systems operate by spraying seawater or chemical mixtures into the exhaust stream. This reaction neutralizes harmful gases before release into the atmosphere. Moreover, they capture soot and fine particles that contribute to environmental pollution. As a result, ships reduce their environmental footprint while maintaining fuel flexibility.
Open Loop vs. Close Loop Marine Scrubbers
There are two main scrubber types: open loop and close loop systems. Open loop systems discharge treated washwater back into the ocean. Close loop systems reuse and treat washwater in a contained circuit. Some vessels prefer hybrid marine systems to comply with both international and regional discharge regulations.
Why Open Loop Marine Scrubbers Are Still Popular
Despite environmental concerns, many shipping operators choose open loop marine scrubber solutions for their lower cost and simple operation. They are widely accepted in international waters and regions without strict washwater regulations. Their installation costs are lower, and maintenance requirements are minimal compared to close loop systems.
How Marine Scrubbers Improve Fuel Efficiency
Installing a scrubber allows ships to use high-sulfur fuel oil (HSFO), which is cheaper than compliant low-sulfur options. This reduces operational fuel costs without compromising emissions compliance. Furthermore, scrubbers minimize acidic buildup in exhaust systems, which reduces engine wear and maintenance frequency.
Environmental Benefits of Marine Scrubber Systems
Beyond economic advantages, scrubber systems help reduce acid rain, marine air pollution, and long-term damage to ecosystems. Additionally, ports benefit from lower particulate matter levels, improving air quality for coastal communities. The adoption of scrubbers reflects a broader move toward sustainable maritime operations.
Key Considerations for Marine Scrubber Installation
Choosing the right marine scrubber involves assessing vessel type, engine output, operational routes, and discharge limits. Space constraints, water treatment needs, and automation preferences also guide system selection. Expert consultation ensures performance, regulatory compliance, and return on investment.
Why Choose ACESTeknik for Marine Scrubber Solutions
ACESTeknik offers complete marine scrubber solutions from design and supply to installation support. Our team tailors systems based on vessel specifications and operational goals. We provide long-term maintenance assistance and spare parts. Contact us today to explore how a marine scrubber can reduce emissions and fuel costs for your fleet.