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This research was aimed at fibrillating wood (Aspen) particles using ultra-fine friction grinding, facilitated by a sodium hydroxide pretreatment step. Its objective was to examine the effect of grinding on the extent of fibrillation and the rheological behaviors of the products.Ultra-fine tailings cemented paste backfill (UCPB) exhibits special rheological characteristics with the effect of an ultrasonic sound field. In this study, in order to explore the thickening effect of slurry under ultrasonic wave action, we examined the rheological properties with ultrasonic wave tests of UCPB and the rheological properties after ultrasonic wave tests of UCPB.


The effect of ultra-fine admixtures (UA), such as blast furnace slag (BFS), silica fume (SF), fly ash (FA), limestone (LS) and anhydrous gypsum (AG), upon the rheological property of cement paste ...Ultra-fine grinding increases the antioxidant capacity of wheat bran Journal of Cereal Science, 57 ( 2013 ), pp. 84 - 90, 10.1016/j.jcs.2012.10.002 Article Download PDF View Record in Scopus Google Scholar


It is suggested to further study the mechanisms of slurry rheology in the presence of chemical dispersants in wet ultra-fine grinding and to develop a model that can represent the relationship of ...Pearled amaranth grains obtained by abrasive milling were processed by planetary ball milling to produce amaranth flours. The influence of milling energy on rheological and thermal behavior of amaranth flour dispersions and stability during 24 h storage at 4 °C were investigated based on a factorial design. The rheological behavior of flour dispersions (4 % and 8 % w/v) was determined …


The influences of wet ultra-fine grinding parameters on the rheological behavior of pyrite–heptane slurry in a laboratory stirred media mill were investigated with solid concentration ...Ultra-fine grinding and mechanical activation of mine waste rock using a high-speed stirred mill for mineral carbonation ... Slurry rheological properties, particle size distribution, ... The effect of dry grinding on antigorite from Mulhacen, Spain, Clays Clay Miner., 47(1999), No. 4, ...


(2003). Rheological effects on ultra-fine grinding in stirred mills: Master of Applied Science Thesis. The (1985). Shape and surface properties of the particles liberated by autogenous grinding. (2007). Size and shape characterisation of oblate and prolate particles.This thesis investigates rheology of limestone slurries and its effects on wet ultra-fine grinding in order to reduce energy cost and increase the throughput and the product fineness. The influences of solids concentration, molecular weight of a dispersant, particle size and distribution, and temperature on the rheological behaviours of ...


Wet ultra-fine grinding of a limestone material ( 100 ¦Ìm) has been investigated in a stirred media mill with respect to the effect of slurry rheology. The results obtained by varying operation parameters (i.e., molecular weight of a dispersant, solid concentration, addition dosage, addition method and bead load) are evaluated in terms of ...such as filler effect. Both effects lead to both a significant increase in density and improved mechanical strength. The density of silica fume is usually 2.2, but also a little higher when the silica content is lower. It is more dense than the density of the resin (1.15). This product is present in the form of an ultra-fine powder or light gray.


Wet ultra-fine grinding of a limestone powder (< 100 μm) has been investigated in a stirred media mill with respect to the effect of slurry rheology.The grinding results obtained by various parameters (i.e., molecular weight of a dispersant, solids concentration, additive dosage, addition method and beads load) are evaluated in terms of energy efficiency and the fineness of a product.Wollastonite industrial grinding mills can grind non-metallic ores such as wollastonite into a fine powder and ultra-fine powder. The industrial grinding mills independently developed and produced by SBM mainly include high-pressure suspension roller mills, HGM ultrafine grinding mills, and CLUM vertical roller mills, which can meet the production of ordinary ore powder, medium, and high …


Ultra-fine tailings cemented paste backfill (UCPB) exhibits special rheological characteristics with the effect of an ultrasonic sound field. In this study, in order to explore the thickening effect of slurry under ultrasonic wave action, we …Effects of bran, shorts and feed flour by ultra-fine grinding on rheological characteristics of dough and bread qualities Jinli Zhang, Hanxue Hou, Haizhou Dong* and Yangyong Dai Department of Food Science and Engineering, Shandong Agricultural University, Tai'an, 271018, P.R. …


Abstract. Curcuma longa is a rhizome used for the extraction of curcumin, a yellow colorant that only represents 3 wt% of the dried rhizome. To increase the possibility of using the entire rhizome as a food colorant, in the present investigation, the effect of ultra‐fine friction grinding (supermasscolloider ) to obtain turmeric suspensions was evaluated.Abstract. The effect of ultra-fine admixtures (UA), such as blast furnace slag (BFS), silica fume (SF), fly ash (FA), limestone (LS) and anhydrous gypsum (AG), upon the rheological property of cement paste is researched. The results show that the yield stress value of cement paste is generally decreased with the increase of the UA quantity ...


Slurry rheology of limestone and its effects on wet ultra . limestone slurry is with a larger yield stress and a larger apparent viscosity at a given shear rate.Furthermore the apparent viscosity and the extrapolated Bingham decrease with increasing temperature in a range of 20 to 40 ºC Also wet ultra fine grinding of a limestoneThe ultrafine grinding process can result in highly damaged starch, which hydrates easily and is more susceptible to enzymatic hydrolysis (Sun et al., 2007). Furthermore, the ultrafine grinding technique can affect the thermal characteristics of flour/starch, as the starch granular structure changes.


The influence of feed temperature studied on wet ultra-fine grinding of the limestone is insignificant. Besides, the higher the bead load, the better the cumulative energy efficiency, the higher the milling rate, the larger the specific surface area of the product and the smaller the median size at the same specific energy consumption.J.J. Li et al., Ultra-fine grinding and mechanical activation of mine waste rock using a high-speed … 1007 peated up to nine times, during which the chamber tem-perature reached 40°C. The flow rate was controlled at 2–3 L/min.


Also, wet ultra-fine grinding of a limestone powder ( 100 um) has been investigated based on the effect of slurry rheology. The grinding results through various parameters (i.e., molecular weight of a dispersant, solids concentration, additive dosage, additive method, feed temperature and bead load) are evaluated in terms of energy efficiency ...Similarly the net production of fine −10 μm material was used for this ultra-fine grinding study. Fig. 19 shows the relationship between slurry yield stress and Net production of −10 μm at various feed sizes. Increasing yield stress and decreasing feed size result in decreasing net production of −10 μm material. It seems that yield ...


Samples of ultra-fine simulated tailings (UST) were prepared using a Netzsch LME4 horizontal stirred mill. The IsaMill is a high speed stirred mill that was developed by Mount Isa Mines in Australia for the economical grinding of minerals to fine and ultra-fine sizes .The −150 µm Mt Polley ore sample was treated using the stirred mill under the following conditions: 1500 rpm, and 80% charge ...3.2. Farinograph Characteristics. WF, WWF, and various combinations with coarse bran, fine bran, and psyllium were evaluated for dough rheology using a Brabender Farinograph and Brabender Extensograph, and the results are presented in Tables 1–12.Farinograph is a commonly used instrument in the laboratory for obtaining correct water absorption values for reaching the required dough ...


The rheological properties of mineral suspensions affect the design and operation of transport, mixing, size classification, grinding, gravity concentration, flotation and dewatering systems.Enhancement of the fluidity and mechanical performance of grouting materials has proven to be an effective method of seepage prevention in geotechnical engineering. In this research, a microfine-cement-based grout mixed with microfine fly ash (MFA), nano-CaCO 3 (NC), and superplasticizer (SP) was designed to improve the rheological and mechanical properties of …