2004-10-30 In cases of grinding with a vibration mill feldspar has some physicochemical changes and the techniques used (SEM, granulometric analysis, DTA-TGA, X-ray diffraction and FT-IR analysis) indicate the presence of intensive structural changes of amorphization and less intensive changes of feldspar grains. The effects of mechanical deformation of
Furthermore, there are some reports on the effects of dry grinding on quartz [4], feldspar [8], corundum [9], and calcite [10,11]. Research on dry grinding of nonmetallic minerals has concentrated
2009-8-2 indicate orthoclase feldspar and at 1018 cm −1 indicate albite feldspar. The presence of talc can be explained by the appearance of bands at around 508 cm −1 due to Si-O asymmetrical bending vibration and a band at around 669 cm-1 due to Si-O symmetrical bending vibrations, which are the characteristics. 3.2 Effect of grinding
2015-3-10 The object of this study is to investigate effects of grinding aids on micro-fine grinding (d 80 = 10 μm) of sodium feldspar (albite) using stirred ball mill. 2. Material and method. An albite sample < 120 μm (d 80 = 87 μm) obtained from Kaltun Company in Cine, Aydin, Turkey was used in grinding tests. Chemical analysis (by X-ray
The feldspar mineral has been ground using a planetary ball mill with a stainless steel ball and bowl. During grinding, the ground sample gets contaminated with Fe from ball and bowl wall, the same as the amorphization and agglomeration of fine particles that increase as grinding time progresses. The effect of sintering is carried out in the
The effects of parameters such asball diameter, stirring speed,grinding time andinterstitial filling ratio on micro-fine grinding were investigated. Experiments were carried out
2005-7-26 J.Serb.Chem.Soc.67(11)753–760(2002) UDC 666.32+666.9.022:681.542:66.04 JSCS–2998 Originalscientificpaper The effects of the fine grinding on the physicochemical prop-erties and thermal behavior of bentonite clay
The present study examined the effects of dry grinding, using ball-milling, on the structure of reference well-crystallized (KGa-1) and poorly crystallized (KGa-2) kaolinite powders from Georgia.
Feldspar dissolution is a common feature in clastic rock reservoirs of petroliferous basins and has an important influence on reservoir quality. However, the effect of feldspar
2013-11-1 Effects of grinding (5–60 min) and blending (1, 5 and 10%) on photostimulated luminescence (PSL) and thermoluminescence (TL) analyses to identify gamma-irradiated shrimps were investigated.Furthermore, different mineral separation procedures (density separation, acid hydrolysis and alkali hydrolysis) were examined for the TL analysis.
However, different grinding methods have little effects on the recovery of feldspar. The recoveries of these five silicates with iron balls as grinding media are higher than those with zircon as
The K-feldspar rocks, mechanically activated by a microcrystalline mill with an organic activator, were used to study their physical properties and kinetics of element release. The results showed that the microcrystalline grinding reduced particle size, significantly increased specific surface area, obviously improved the morphologies, and broke the lattice structure and increased abundance of
2005-7-26 J.Serb.Chem.Soc.67(11)753–760(2002) UDC 666.32+666.9.022:681.542:66.04 JSCS–2998 Originalscientificpaper The effects of the fine grinding on the physicochemical prop-erties and thermal behavior of bentonite clay
2015-10-23 However, different grinding methods have little effects on the recovery of feldspar. The recoveries of these five silicates with iron balls as grinding media are higher than those with zircon as grinding media when sodium ole-ate is chosen as a collector.
2013-3-18 The effect of ball milling on filler particle size and surface area. The effect of ball milling for hours at 320 rpm in the presence of the inorganic grinding agent on the particle size of kaolin and feldspar is presented in Figure 1; it is compared with the untreated counterpart.It is clear that the average particle size for both minerals was reduced after milling from 495 to 35 μm for
2019-10-26 In this study, the effects of ultrasound on removal of impurities from raw feldspar were investigated by testing with a newly developed flotation cell with various frequency and power intensities prior to multistage feldspar flotation. Particularly, the
2020-3-25 Here we judge the leaching effect by comparing the gold leaching rates. The grinding fineness test was carried out under the condition that the amount of sodium cyanide was 1 kg / t and the leaching time was 24 hours. The results were analyzed by observing the effects of different fineness on the gold leaching process.
Feldspar dissolution is a common feature in clastic rock reservoirs of petroliferous basins and has an important influence on reservoir quality. However, the effect of feldspar dissolution on reservoir quality varies under different depositional environments and
2019-7-19 The depth extent of the crustal seismogenic zone is closely related to the size of earthquakes. The mechanisms that control the depth of the lower transition of the seismogenic zone are important issues in seismology and disaster mitigation. Laboratory studies have shown that the mechanism of earthquake nucleation is controlled by the frictional properties of fault materials.
The quantitative determination of the amount of quartz, mullite, and glass resulting from varying grinding and firing treatments was correlated with the physical properties of a whiteware body. The body composition selected contained 20% potash feldspar, 30% flint, 7.5%, ball clays, and 42.5% kaolins. The body mix was ground for 8−, 25−, and 100−hour periods, and, in addition, the flint
The K-feldspar rocks, mechanically activated by a microcrystalline mill with an organic activator, were used to study their physical properties and kinetics of element release. The results showed that the microcrystalline grinding reduced particle size, significantly increased specific surface area, obviously improved the morphologies, and broke the lattice structure and increased abundance of
2020-3-25 Here we judge the leaching effect by comparing the gold leaching rates. The grinding fineness test was carried out under the condition that the amount of sodium cyanide was 1 kg / t and the leaching time was 24 hours. The results were analyzed by observing the effects of different fineness on the gold leaching process.
2015-10-23 However, different grinding methods have little effects on the recovery of feldspar. The recoveries of these five silicates with iron balls as grinding media are higher than those with zircon as grinding media when sodium ole-ate is chosen as a collector.
2019-10-26 In this study, the effects of ultrasound on removal of impurities from raw feldspar were investigated by testing with a newly developed flotation cell with various frequency and power intensities prior to multistage feldspar flotation. Particularly, the
Feldspar dissolution is a common feature in clastic rock reservoirs of petroliferous basins and has an important influence on reservoir quality. However, the effect of feldspar dissolution on reservoir quality varies under different depositional environments and
2019-7-19 The depth extent of the crustal seismogenic zone is closely related to the size of earthquakes. The mechanisms that control the depth of the lower transition of the seismogenic zone are important issues in seismology and disaster mitigation. Laboratory studies have shown that the mechanism of earthquake nucleation is controlled by the frictional properties of fault materials.
2009-6-30 Effect of Vitrified Bonding Material Composition on Grinding Characteristics (2nd Report)Relation between Composition and Grinding Wheel Life. Shohei OGAWA 1), Takashi OKAMOTO 1) 1) [in Japanese] Released 2009/06/30. received 1980/12/15. Keywords: vitrified bonding material composition, feldspar component, grinding wheel life, wear flat area
1982-1-1 For investigating the effects of grinding on the crystalline state of the zeolites, X-ray powder diffraction spectra were taken on the initial and the CL-18 samples (grouM at 18,000 r.p.m.). Two characteristic reflection bands were chosen at d = 8.9975 and d = 7.8998 and completely identical X-ray powder diffraction spectra were obtained.
2021-8-9 Feldspar is an important constituent of airborne mineral dust. Some alkali feldspars exhibit particularly high ice nucleation (IN) activity. This has been related to structural similarities of the ice (10 1 ‾ 0) prism planes and the (100) planes of alkali feldspar. Here the effect of generating feldspar surfaces with close to (100) orientation by means of chemically induced fracturing on the
To improve the grinding of cassiteritepolymetallic sulfide ores, this paper studied the effect of six kinds of grinding aids. We found that these six kinds of grinding aids can change the grinding effect, but only PAM can make the eligible size fraction increase and decrease the lack-grinding size fraction and the overgrinding size fraction, and reaches the effect of the original study