Research On The Effects Of Bubble Of Hydrophobic Nanoparticles Dispersion

The research of nanobubbles was just emerging up recently and the proposedexistence of nanobubble was just20years. It is necessary to study nanobubblesfurther in details. The discovery of nanobubbles and the nanobubble bridgingcapillary force was resulted in the research of the long range hydrophobic attractiveforce between hydrophobic bodies in aqueous solution. Many kinds ofpresuppositions were raised and a lot of methods were used to measure thenanobubbles. Atomic Force Microscopy was an important instrument to observe thenanobubbles on the surfaces of Highly Oriented Pyrolytic Graphite, hydrophobicsilicon and hydrophobic glass. These issues will facilitate further development ofnanobubble theory and to the engineering of nanobubbles. Once the thoroughunderstanding of the formation and stability of nanobubbles is achieved, themanipulation of nanobubbles may be resulted in the increase or efficiency anddevelopment of new technology which can be applied to the areas of particleprocessing, friction, biology, surface de-fouling,coagulation, electrolysis, micro-fluidics and so on.The accumulation of gas at the liquid–hydrophobic solid interface hasshown the influence of hydrophobic coagulation and hetero-coagulation. Afterdegassing, it was found out the tiny formed smaller flocks in water. The influence ofnanobubbles on coagulation and hetero-coagulation, specifically the influence onrepulsive forces between particle–particle and particle–bubble, has been extensivelystudied in a number of works. The theoretical studies indicate that the size anddistribution of nanobubbles on the particle surface can not only change the magnitudeof the Vander Waals force but also change its electrical property. The Vander Waalsforce interaction becomes stronger as the population and height of the nanobubblesincreases and the overall repulsive force becomes less attractive as the concentrationof electrolyte increases.The properties and applications of nanobubbles were very important for us toexplore because of their special physical characteristic. In this paper, the existence of nanobubbles was further verified by ethanol and water exchange. The nanobubbleswould be generated on hydrophobic surfaces by dipping the hydrophobic bodies intowater. Degassing the particles of indissoluble medicines and solvent were degassedwhich may result in the disappearance of nanobubbles. After degassing, a gooddisperse system with high dispersity and stability was obtained. Here, a Chinesemedicine YunZhiTangTai was addressed and its dispersity was increased by60times.There is no sediment observed for YunZhiTangTai solutions in sealed containers forover6months. It is a convenient and efficient method to increase the oral absorbilityof indissoluble medicines.The Small Angle Xray Scattering of Shanghai synchrotron radiation facility wasused to observe and analyse the particle of Evian mineral water. Experimental resultsshowed that the mineral element would be separate out by freezing the process. Moremineral element will be separate out when the temperature decreased. This indicatesthat the dissolved gas would affect the stability of mineral water mineral elementseparating out.