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Particles finer than 0.1 μm (10 −7 m) in water remain continuously in motion due to electrostatic charge (often negative) which causes them to repel each other. [citation needed] Once their electrostatic charge is neutralized by the use of a coagulant chemical, the finer particles start to collide and agglomerate (collect together) under the influence of Van der Waals forces.
They are thus often used as thickeners, emulsifiers, conditioners, clarifying agents, and even drag reducers. They are used in water treatment and for oil recovery. Many soaps, shampoos, and cosmetics incorporate polyelectrolytes. Furthermore, they are added to many foods and to concrete mixtures (superplasticizer).
Finings’ actions may be broadly categorized as either electrostatic, adsorbent, ionic, or enzymatic.. The electrostatic types comprise the vast majority; including all but activated carbon, fining yeast, PVPP, copper sulfate, pectinase and pectolase.
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Sodium silicate (Na 2 SiO 3) is a typical example. Usually, in higher pH ranges, in addition to low ionic strength of solutions and domination of monovalent metal cations, the colloidal particles can be dispersed. [21] The additive that prevents the colloids from forming flocs is called a deflocculant.
A navigational box that can be placed at the bottom of articles. Template parameters [Edit template data] Parameter Description Type Status State state The initial visibility of the navbox Suggested values collapsed expanded autocollapse String suggested Template transclusions Transclusion maintenance Check completeness of transclusions The above documentation is transcluded from Template ...
[1] [2] In 2014, Bashirov started the work on documentary titled Donbass knocks in our heart dedicated to separatists from the Donetsk People's Republic and Luhansk People's Republic . The development of the film was supported by Fedor Bondarchuk who took the producer role. [ 3 ]
Alexander Petrov at Russian Film Week USA in December 2019. Petrov made his debut in 2010 in an episodic role of the television series Voices.In 2012, he played a major role in the series While the fern is blooming.