Results 251 to 260 of about 814,315 (295)

Physicochemical properties of ball milled boron particles: Dry vs. wet ball milling process

Powder Technology, 2015
Abstract Physicochemical properties of both dry and wet milled boron particles with sub-micron sizes were investigated. Milling process was performed in N2 atmosphere and the mass ratio of tungsten carbide ball and boron was fixed at 20:1. It was found that the size distribution of boron particles grinded under dry milling condition was much broader ...
Hye Jin Jung, Youngku Sohn, Hong Gye Sung, Hyung Soo Hyun, Weon Gyu Shin   +4 more
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Experimental Study on Optimization of Wet Desulfurization of Wet Ball Mill System

Advanced Materials Research, 2013
In this paper, the output can not meet the operating requirements problems of power plant desulfurization device wet mill system operation, site of the optimization test of wet mill system, optimization and adjustment, wet mill output and fineness of limestone reached or better than the design value, the operation time was shortened, and achieved good ...
Xiao Xiang Zhou, Xue Ying Zhang, Xue Feng Dong   +2 more
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Comparison of simultaneous wet milling and enzymatic hydrolysis of cellulose in ball mill and attrition mill reactors

Biotechnology and Bioengineering, 1990
AbstractSimultaneous wet milling and enzymatic hydrolysis of newsprint in a ball mill reactor (BMR) and in an attrition mill reactor (AMR) were studied. The effect of milling on the enzyme deactivation was also investigated. Variables studied included milling media size, material, and the presence or absence of an air–liquid interface in the reactor ...
P W, Furcht, H, Silla
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An overfilling indicator for wet overflow ball mills

Minerals Engineering, 2016
The lack of constraints in ball mill capacity in the published ball mill models may result in unrealistic predictions of mill throughput. This paper presents an overfilling indicator for wet overflow discharge ball mills. The overfilling indicator is based on the slurry residence time in a given mill and given operational conditions.
openaire   +3 more sources

An investigation of wet grinding in a laboratory overflow ball mill

Mining, Metallurgy & Exploration, 1989
Batch breakage kinetic tests were performed in a mill of 0.3 m diameter for a range of mill conditions. Accurate simulation required the measurement and use of factors which accelerated the specific rates of breakage of the top sizes as finer material accumulated in the slurry.
L. G. Austin, R. C. Klimpel
openaire   +1 more source

Modelling Continuous Wet Ball Mill Grinding

IFAC Proceedings Volumes, 1974
Two models of continuous wet ball mill qrinding are presented. The first is well suited for simulation of the grinding process, the second intended for use in mill circuit control systems.
openaire   +1 more source

Kinetics of fine wet grinding in a laboratory ball mill

Powder Technology, 2001
Abstract The kinetics of batch wet grinding of quartz from a feed of 600×425 μm to a product of 80% less than 8 μm have been determined using sieving and laser diffractometer sizing for size analysis. A dispersing agent was added while proceeding to longer grinding times to prevent particle agglomeration in the mill.
Yekeler, M, Ozkan, A, Austin, LG
openaire   +2 more sources

Grinding kinetics of quartz and chlorite in wet ball milling

Powder Technology, 2017
Abstract Under an invariant and self-similar mill environment, batch wet grinding studies were carried out by grinding mono-sized fractions of quartz, chlorite and their binary mixture at different blending ratios. The results obtained indicate that the breakage behavior of both minerals as well as their mixture followed a first-order model.
Ruichao Zhao, Yuexin Han, Mingzhao He, Yanjun Li   +3 more
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A study of the exit classification effect in wet ball milling

Powder Technology, 2004
It is consistently found in wet ball milling, under the conditions normally used in production mills, that the larger sieve size intervals of the product size distributions do not contain as much material as predicted by the first-order mill simulation models. Four methods of correcting for this effect were investigated.
Heechan Cho, Leonard G. Austin
openaire   +1 more source

Fine wet grinding of an alumina hydrate in a ball mill

Powder Technology, 1998
Abstract An experimental study on fine wet milling of an alumina hydrate in a batch ball mill has been carried out. The effect of experimental conditions of grinding have been determined showing that the size reduction rate is mainly affected by the fluidity of the slurry.
C Frances, C Laguerie
openaire   +1 more source