Bivalve spat collector

The biodegradable bivalve spat collector, composed of biodegradable polyesters and calcium carbonate, addresses the environmental concerns of conventional plastic collectors by enhancing collection efficiency and reducing marine pollution.

WO2025061904A1 Publication Date: 2025-03-27UNIVERSITE DE LA POLYNESIE FRANCAISE - UPF +2
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Patent Information

Application Number
PCT/EP2024/076360
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-19
Filing Date
2024-09-19
Publication Date
2025-03-27

AI Technical Summary

Technical Problem

Conventional plastic spat collectors used in bivalve farming are non-biodegradable, fragile, and contribute to plastic waste in marine environments, posing environmental and toxicological risks.

Method used

A bivalve spat collector made from a material comprising at least two biodegradable polyesters, such as polybutylene adipate terephthalate and polylactic acid, combined with calcium carbonate, which is designed to be less toxic and more environmentally friendly, with a specific structure that maximizes spat collection efficiency.

Benefits of technology

The biodegradable spat collector significantly reduces plastic waste in marine environments, is less toxic to marine life, and enhances spat collection efficiency compared to conventional collectors, thereby supporting sustainable bivalve farming practices.

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Abstract

The present invention relates to a bivalve spat collector that comprises a collecting site configured for collecting said bivalve spat, said collector being made of a material that comprises at least two biodegradable polyesters, different from one another, and calcium carbonate. The collector preferably further comprises at least one interlocking element. The present invention further relates to a collector system comprising at least two collectors that each comprises at least one interlocking element, said collectors being successively connected by the interlocking element(s).
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