Masboy1980 ® 07-Янв-2018 22:56

Marine and industrial Biofouling

Year: 2009
Language: english
Author: Hans-Curt Flemming • P. Sriyutha Murthy R. Venkatesan • Keith Cooksey
Genre: Technical book
Format: PDF
Quality: eBook
Pages count: 328
Description: This book describes the state of the art in antifouling measures using both conventional
biocides and some advanced approaches. Related to biocides, the concept of
the “Biocide Product Directive” of the European Union is presented as an example
of an administrative instrument for curbing excessive use of environmentally undesirable
products that may cause ecological damage.
Biofouling is defined as the unwanted accumulation of biological material on
man-made surfaces. This definition includes biofilm-forming microorganisms such
as bacteria, fungi and algae as well as fouling by macroorganisms like hydroids, barnacles,
tubeworms and bivalves on submerged surfaces. The problem is site-, seasonand
substratum-specific and the control methods effective at a given geographical
location may not hold good elsewhere. The definition is clearly operational, as not
every biofilm or barnacle is equivalent to biofouling but only after the effect exceeds
an arbitrarily given threshold of interference with a technical process. It is impossible
to have an immaculately clean surface and the time has come for realization of the
fact that we have to “live with biofilms and biofouling”. It is for the plant managers
to determine the tolerable threshold of interference, critical to plant operations, and
select a biocidal dose and regime to keep biofilms/biofouling at bay.


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