Waste onboard ships is a crucial aspect of maritime safety and environmental protection. Within the framework of the International Convention for the Prevention of Pollution from Ships (MARPOL 73/78), Annex V focuses specifically on preventing pollution caused by garbage generated onboard. This annex establishes standards and guidelines for handling solid waste and specifies the types of waste that can be discharged at sea and those that must be retained onboard for proper disposal on land.

Below are some key considerations for handling waste onboard ships according to the MARPOL 73/78 Annex V Directive:

1. Classification of waste: Annex V categorizes waste into several types, including plastics, food waste, paper, metal, glass, and special waste such as ash and cargo residues. Each type of waste onboard ships has specific handling and disposal requirements that must be clearly understood by the crew.
2. Mandatory waste record keeping: ships with a gross tonnage exceeding 400 tons are required to maintain a waste record book that documents the quantity and type of waste generated, retained, and disposed of. The record book must be updated regularly and kept onboard for a minimum of two years.
3. Onboard waste systems: it is essential for ships to have an approved plan for managing waste onboard that includes detailed procedures for the collection, separation, treatment, storage, and disposal of waste. Furthermore, adequate containers and equipment must be available to manage waste in compliance with international standards.
4. Crew training: crew training is a key element in handling waste onboard ships. Crew members must be trained on MARPOL protocols and specific procedures for dealing with waste onboard, including the use of waste treatment equipment.
5. Innovation and technology: the adoption of innovative technologies can help improve how waste onboard ships is handled. Advanced waste treatment systems, such as onboard incinerators and shredding and compacting machines, can reduce the volume of waste and minimize environmental impact.
6. Inspections and compliance: port authorities and international organizations conduct regular inspections to ensure compliance with the provisions of MARPOL 73/78 Annex V. Non-compliance can lead to severe penalties, operational delays, and reputational damage.
7. International Collaboration and Capacity Building: given the global nature of maritime transport, collaboration among member states, international organizations, and industry operators is essential to build capacity and share best practices in handling waste onboard ships.

The smallest two-shaft shredder available in the SatrindTech catalogue

Ideal as a waste shredding solution for ships, the S3 series shredders, equipped with a 3kW electric motor, can be utilized in the maritime sector since the S3/3 model has obtained the MARPOL compliance certification. These shredders are equipped with a material selection grid with hole diameters designed to comply with the requirements of the MARPOL Directive, according to which the discharge of waste into the sea is prohibited, except as regulated within and outside special areas, particularly in accordance with the size of ground food waste.

Conclusions

Dealing with waste onboard ships, according to MARPOL Annex V, requires an integrated approach that combines regulatory compliance, continuous training, the adoption of advanced technologies, and strong international collaboration. This approach not only enhances the sustainability of maritime operations but also significantly contributes to the protection of the global marine environment.

Our sales team is available to provide you with further information, introduce you to our wide range of industrial shredders, and support you in addressing any waste shredding challenges you may encounter.ortarvi nelle eventuali problematiche di triturazione dei rifiuti.

L'articolo Shredding of waste onboard ships in the context of the MARPOL 73/78 Annex V proviene da SatrindTech Srl.

Volumetric reduction is essential for the correct disposal of many materials. For food waste the logistical challenge cannot use brute force, but a fast, complete and easy maintenance solution.

SatrindTech produces and installs customised shredders for food waste solutions in the following areas:

• Food industries
• Catering
• on-board ship installations

The regulatory framework for this latter type is provided by the MARPOL Convention, an international agreement that regulates aspects such as the ships’ exhaust fumes, the use of hydrocarbons and the management of marine waste. Industrial shredders can be installed to comply with directives and to limit the spillage of waste by ships and boats. Today we talk about a shredding solution in this context.

MARPOL certified on-board food waste industrial shredder

Italy is a country at the forefront of shipbuilding, given the presence of the most important ship owners worldwide. It is also at the forefront of on-board waste management. For this reason, the reduction and recycling of solid waste on-board ships through reuse, or complete disposal under the law, must be considered a priority. SatrindTech has a range designed specifically to be installed on-board the ship to meet regulatory requirements.

For food waste, the MARPOL Directive 73/78 Annex V allows the discharging waste of ≤ 25 mm into the sea outside special areas and at a distance between the vessel or off-shore platform and the coast ≥ 3 to ≤ 12 miles.

SatrindTech offers a range of  compact industrial shredders that comply with these requirementsand which are MARPOL certified. Two models are available, with a power of 4 HP and 10 HP, designed to best perform in this specific context.

F 410/360 shredder for food waste: customised on-board solution

A major Italian shipping group has commissioned us to provide on-board food waste shredding solutions under the MARPOL Directive requirements. SatrindTech has supplied a 7.5 kW (10 HP) F 410/360/N shredder equipped with blades 14 hooks of 10 mm thickness.

Since the space inside each type of ship must be used wisely, the installation required expertise to adapt the system to its location, to work in the best way, ensuring easy cleaning and maintenance.

For installation, the shredder is equipped with a closed hopper, with manually operated compression and rests on a support frame at man height. To ensure safety during operation, the hopper is equipped with an inspection door with microswitch.

The shredder is equipped with a discharge hopper connected to the pre-existing ship systems to remove the food waste treated. The hopper is equipped with a special valve for high-pressure washing water.

This installation on a commercial ship is an example of how SatrindTech’s technology is reliable and flexible. Our shredders are unafraid of any challenges, either on land or on-board ship and are at the forefront of regulatory certifications.

L'articolo On-board food waste industrial shredder proviene da SatrindTech Srl.