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Sea foam washed up or blown onto a beach. Sea foam, ocean foam, beach foam, or spume is a type of foam created by the agitation of seawater, particularly when it contains higher concentrations of dissolved organic matter (including proteins, lignins, and lipids) derived from sources such as the offshore breakdown of algal blooms. [1]
Processes similar to continuous foam separation have been commonly used for decades. Protein skimmers are one example of foam separation used in saltwater aquariums. The earliest documents pertaining to foam separation is dated back to 1959, when Robert Schnepf and Elmer Gaden, Jr. studied the effects of pH and concentration on the separation of bovine serum albumin from solution. [2]
Limonium perezii is a species of Limonium known by the common names Perez's sea lavender and seafoam statice. It is also known as simply statice (reflecting the former name of the genus), sea lavender or marsh rosemary (common names for the genus). It is native to the coasts of the Canary Islands but are widely used in gardens throughout the world.
A wiper is a position responsible for both cleaning the engine spaces and machinery of a ship and assisting the ship's engineers as directed. Railroad workers who performed similar jobs were also known as wipers, [1] or in the UK as "cleaners". The most junior rate in a ship's engine room, the wiper position is an apprenticeship to become an ...
In most steam engine designs there is a short time at the end of the return stroke of the piston when all the valves are shut and it is compressing any remaining steam. Water can be introduced from the boiler or in a cold engine, steam will condense to water on the cool walls of the cylinders and can potentially hydrolock an engine.
This can be achieved using hydraulic and electronic transfer systems. A hydraulic drive motor is easily able to access the rotating area of the decanter centrifuge. Another area of development in recent years is the implementation of Functional Safety measures, aiming at providing a better and more safe working environment.