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Technical and ecological analysis of different solutions of the power supply of a marine diesel engine

Krakowski Rafał

Journal of KONES

2019

Vol. 26, No. 4

127--134

The article contains provisions on the prevention of sea pollution by ships, including, inter alia, the International Convention for the Prevention of Pollution from Ships, developed in 1973 (MARPOL). The convention aims to protect the marine environment from oil and its derivatives. Special areas, where extraordinary measures have been taken to prevent sea pollution, due to the intensity of ship traffic and the greater threat of damage to the marine environment have also been presented. In the further part of the article, the applicability of various pro-ecological solutions, i.e. the use of catalysts, low-sulphur fuels, and in the case of using residual fuels – exhaust gas scrubbers were described. In the main part of the article, a technical and ecological analysis was made. In addition, difficulties resulting from the use of pro-ecological solutions were described. The costs of using low-sulphur fuel meeting the emission standards, installing the scrubber and modification of the natural gas combustion unit were compared with the assumption of ten years of passenger-car ferry sailing. Then the problems that individual solutions create were shown. In the final part of the article, alternatives to those described, i.e. the liquefied natural gas (LNG) power supply, electric and hydrogen drives were presented.

Ochrona prawna walorów turystycznych. Cz. VIII. Walory turystyczne poza obszarami specjalnymi

Radecki W.

Problemy Ekologii

2009

R. 13, nr 2

56-60

Walory turystyczne zasługujące na ochronę prawną znajdują się także poza obszarami specjalnymi. Istotne znaczenie mają z jednej strony obszary i obiekty przyrodnicze chronione na podstawie ustawy o ochronie przyrody, nie tylko pomniki przyrody, stanowiska dokumentacyjne, użytki ekologiczne i zespoły przyrodniczo-krajobrazowe, ale także tereny nadwodne oraz tereny o szczególnych walorach krajobrazowych chronione przed wadliwym wykonywaniem robót zmieniających stosunki wodne, z drugiej zaś lasy oraz wody otwarte.

Tourism values deserving legal protection can be found also outside the special areas. On one hand areas and natural objects -subject to protection under the Nature Conservation Act are of special concern including nature monuments, documentation stations, ecological sites and nature and landscape systems, areas adjacent to water reservoirs and rivers as well as areas of special landscape qualities protected against defective performance of works disturbing the water conditions, with forests and open waters on the other hand.