Dredged sediments display a great potential for growing media applications; however, there are few studies about their beneficial reuse for the waste storage reclamation. This research study aims at checking the agronomic values and environmental impacts of three growing media based on waterways sediments (WSs) and green waste (GW) according ecolabel requirements. For this purpose, three growing media named GW0, GW25, and GW50 were prepared at field pilot scale by co-composting WS and GWs during 12 months. Samples were submitted to ecolabel analyses package. Following to the ecolabel requirements, the growing media comply with criteria like pH, electrical conductivity, trace elements and polycyclic aromatic hydrocarbon contents, chlorides, and pathogens, whereas they are not in compliance with the EU Ecolabel guidelines for propagules, organic matter, and zinc contents. Results of laboratory leaching tests performed according to NF EN 12457-2 for GW0, GW25, and GW50 have shown that sulfates, soluble fraction exceed limit for inert waste storage. Lysimeter tests at pilot scale were performed during 6 months to check the leaching potential of pollutants from growing media under real field conditions, including a European ecolabel product. Results demonstrate that Ba, Mo, Sb, Zn, Se, and Sb are higher in GW0, GW25, and GW50 than in the European ecolabel. As, Cd, Cr, Ni, and F⁻ are more soluble in the commercial product compared to other growing media. This study allowed to demonstrate that main characteristics are fulfilling for reusing these growing media in the specific field of waste storage reclamation.

疏浚的沉积物显示出巨大的培养基应用潜力；然而，很少有关于它们有益于废物储存回收的再利用的研究。本研究旨在根据生态标签要求检查基于水道沉积物 (WSs) 和绿色废物 (GW) 的三种生长介质的农艺价值和环境影响。为此，通过在 12 个月内将 WS 和 GW 共同堆肥，在田间试验规模制备了三种生长介质，名为 GW0、GW25 和 GW50。样品被提交给生态标签分析包。根据生态标签要求，生长培养基符合 pH、电导率、微量元素和多环芳烃含量、氯化物和病原体等标准，但不符合欧盟生态标签繁殖体指南，有机质和锌含量。根据 NF EN 12457-2 对 GW0、GW25 和 GW50 进行的实验室浸出测试结果表明，硫酸盐、可溶性部分超过了惰性废物储存的限制。在 6 个月内进行了中试规模的蒸渗仪测试，以检查在真实田间条件下生长介质中污染物的浸出潜力，包括欧洲生态标签产品。结果表明，GW0、GW25 和 GW50 中的 Ba、Mo、Sb、Zn、Se 和 Sb 高于欧洲生态标签中的含量。As、Cd、Cr、Ni 和 F 在 6 个月内进行了中试规模的蒸渗仪测试，以检查在真实田间条件下生长介质中污染物的浸出潜力，包括欧洲生态标签产品。结果表明，GW0、GW25 和 GW50 中的 Ba、Mo、Sb、Zn、Se 和 Sb 高于欧洲生态标签中的含量。As、Cd、Cr、Ni 和 F 在 6 个月内进行了中试规模的蒸渗仪测试，以检查在真实田间条件下生长介质中污染物的浸出潜力，包括欧洲生态标签产品。结果表明，GW0、GW25 和 GW50 中的 Ba、Mo、Sb、Zn、Se 和 Sb 高于欧洲生态标签中的含量。As、Cd、Cr、Ni 和 F⁻与其他生长培养基相比，在商业产品中的溶解度更高。这项研究证明了在废物存储回收的特定领域重复使用这些生长介质的主要特征。