Surface Change of Quartz Particles by Drilling
نویسندگان
چکیده
منابع مشابه
Application of Nano-Particles of Clay to Improve Drilling Fluid
Drilling fluids are an essential component of the rotary drilling process used to drill for oil and gas on land and offshore environments. The injection of this nano particle into drilling fluid increases the viscosity levels fluids. In these experiments, the rheological properties of the fluid including apparent viscosity (AV), plastic viscosity (PV), yielding point (YP), mud c...
متن کاملEffect of frother type and operational parameters on nano bubble flotation of quartz coarse particles
In this work, the effects of the types of frother (MIBC, pine oil, and A65) and operational parameters (impeller speed and air flow rate) on the flotation of quartz coarse particles was investigated using nano bubbles (NBs). Quartz particles of the size of -425+106 mm and three types of frother were used for the flotation experiments. Also the impeller speed was 600 to 1300 rpm, and the air flo...
متن کاملSurface chemistry and quartz hazard.
The variability of quartz hazard is related to the characteristics of particulate toxicants. Although these have the same chemical composition, they exist in various forms and surface states, each one eliciting different biological responses. On the basis of data from the literature, surface chemical properties are associated to the subsequent stages reported by Donaldson and Borm (1998) in the...
متن کاملSurface Finish in Micro-drilling of Ptfe
Surface finish of engineering components plays a key role in their functionality, particularly where the size of the geometric features of the component decreases. This paper reports on such an application – the drilling of micro-holes in PTFE during manufacture of molds for use in the bio-medical field. These molds are used for production of silicone scaffolds requiring very large aspect ratio...
متن کاملEffective surface interactions mediated by adhesive particles
In biomimetic and biological systems, interactions between surfaces are often mediated by adhesive molecules, nanoparticles, or colloids dispersed in the surrounding solution. We present here a general, statistical-mechanical model for two surfaces that interact via adhesive particles. The effective, particle-mediated interaction potential of the surfaces is obtained by integrating over the par...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Sangyo Igaku
سال: 1965
ISSN: 0047-1879,1881-1302
DOI: 10.1539/joh1959.7.4_222_2