The nutrient load from food waste generated onboard ships in the Baltic Sea

被引：20

作者：

Wilewska-Bien, Magda ^{[1
]}

Granhag, Lena ^{[1
]}

Andersson, Karin ^{[1
]}

机构：

[1] Chalmers, Dept Shipping & Marine Technol, SE-41296 Gothenburg, Sweden

来源：

MARINE POLLUTION BULLETIN | 2016年 / 105卷 / 01期

关键词：

Shipping; Nutrients; Wastes; Pollution; Eutrophication; Baltic Sea; MANAGEMENT; FRAMEWORK; SYSTEMS;

D O I：

10.1016/j.marpolbul.2016.03.002

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The combination of the sensitive characteristics of the Baltic Sea and the intense maritime traffic makes the marine environment vulnerable to anthropogenic influences. The theoretical scenario calculated in this study shows that the annually generated food waste onboard ships in traffic in the Baltic Sea contains about 182 tonnes of nitrogen and 34 tonnes of phosphorus. Today, all food waste generated onboard can be legally discharged into the marine environment at a distance of 12 NM from the nearest land. The annual load of nitrogen contained in the food waste corresponds to 52% of load of nitrogen from the ship-generated sewage. Future regulations for sewage discharge in the Baltic Sea will require significant reduction of total nitrogen and phosphorus released. The contribution of nutrients from food waste compared to sewage will therefore be relatively larger in the future, if food waste still can be legally discharged. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：359 / 366

页数：8

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