Effect of particle size, blend ratio and some selective bio‑additives on rheological behaviour of high‑concentration iron ore slurry

This investigation was made to examine how the particle size of lime influence the properties of calcium hydrosilicate materials. Quicklime was sorted in three fractions: 0-1 mm, 1-11.2 mm and 11.2.-22.4 mm. Slaked lime putties were prepared in the laboratory by mixing lime fractions and deionized water under vigorous stirring. The C/H ratio was 1:8. The lime putties were mixed with finely ground sand with the C/S ratio equal to 0.85. The hydrosilicate materials were prepared under hydrothermal conditions: temperature 205 °C, pressure 16 bar. This work focuses on lime putty rheological behaviour and on composition and properties of lime hydrosilicates. It was found that hydrated particles of fractionated lime form smaller aggregates than standard lime. Plasticity increases with the increasing size of fraction. When separate fractions are used, 11.3 Å tobermorite crystallization is slower.

Download Full-text

Restructured Pork from Hot-Processed Sow Meat: Effect of Particle Size and Blend Ratio1

Journal of Food Protection ◽

10.4315/0362-028x-52.8.581 ◽

1989 ◽

Vol 52 (8) ◽

pp. 581-585 ◽

Cited By ~ 3

Author(s):

JOSEPH C. CORDRAY ◽

DALE L. HUFFMAN ◽

WILLIAM R. EGBERT

Keyword(s):

Particle Size ◽

Tensile Strength ◽

Connective Tissue ◽

Product Quality ◽

Cooking Loss ◽

Blend Ratio ◽

Effect Of Particle Size ◽

Commercial Processing ◽

Blend Ratios ◽

Restructured Pork

A 2 × 3 factorial arrangement of treatments was used to investigate the effect of grind size and blend ratio on quality and sensory traits of restructured pork manufactured from hot-processed sow meat. Two blend ratios: [1. 50% through a 3.2 mm plate (FG)/50% tenderized muscle chunks (TMC); 2. 40% FG/60% TMC] were used in combination with three different sizes of TMC. The TMC portion was prepared by: grinding once through a kidney plate (K), grinding twice through a kidney plate (KK), or grinding once through a kidney plate followed by grinding through a 10 mm plate (K10). The six treatments were: 50FG/50K, 50FG/50KK, 50FG/50K10, 40FG/60K, 40FG/60KK, and 40FG/60K10. There were no differences (P>.05) for cooking loss, juiciness, connective tissue, or flavor scores; however, restructured steaks from the 40FG/60K treatment were more cohesive (P<.05) than the steaks from the 50FG/50KK, 50FG/50K10, and 40FG/60K10 treatments. Restructured steaks from the 40FG/60K treatment had greater shear values (P<.05) than steaks from the 50FG/50KK treatment which had greater shear values (P<.05) than steaks from the 50FG/50K10 and 40FG/60K10 treatment. Restructured steaks from the 50FG/50K10 treatment had greater tensile strength (P<.05) than those from the 50FG/50KK treatments. It was determined that a 50% chunks/50% fine ground blend ratio in combination with any of the three grind sizes would be best suited for use in commercial processing operations. This ratio is the more practical ratio to obtain from the sow carcass, and no added product quality is achieved by the use of a 60% chunks/40% fine ground ratio.

Download Full-text

Effect of particle size distribution and calcium aluminate cement on the rheological behaviour of all-alumina refractory castables

Powder Technology ◽

10.1016/j.powtec.2012.04.028 ◽

2012 ◽

Vol 226 ◽

pp. 107-113 ◽

Cited By ~ 13

Author(s):

Abílio P. Silva ◽

Ana M. Segadães ◽

Deesy G. Pinto ◽

Luiz A. Oliveira ◽

Tessaleno C. Devezas

Keyword(s):

Particle Size ◽

Particle Size Distribution ◽

Size Distribution ◽

Calcium Aluminate ◽

Rheological Behaviour ◽

Calcium Aluminate Cement ◽

Refractory Castables ◽

Effect Of Particle Size ◽

Alumina Refractory ◽

Aluminate Cement

Download Full-text

Application of indigenous sulfur-oxidizing bacteria from municipal wastewater to selectively bioleach phosphorus from high-phosphorus iron ore: effect of particle size

Environmental Technology ◽

10.1080/09593330.2012.689363 ◽

2013 ◽

Vol 34 (2) ◽

pp. 173-180 ◽

Cited By ~ 2

Author(s):

Shaobo Shen ◽

Ruirui Rao ◽

Jincao Wang

Keyword(s):

Particle Size ◽

Iron Ore ◽

Municipal Wastewater ◽

High Phosphorus ◽

Phosphorus Iron ◽

Effect Of Particle Size ◽

Sulfur Oxidizing ◽

High Phosphorus Iron Ore ◽

Sulfur Oxidizing Bacteria

Download Full-text

Effect of Particle Size and its Distribution on Rheological Behaviour of Coal-Water Slurry

International Journal of Engineering & Technology ◽

10.14419/ijet.v7i4.5.20015 ◽

2018 ◽

Vol 7 (4.5) ◽

pp. 73 ◽

Cited By ~ 1

Author(s):

Ganeswar Sahoo ◽

Anupama Routray ◽

Mamata Kumari Padhy ◽

P. K. Senapati

Keyword(s):

Particle Size ◽

Shear Stress ◽

Coal Sample ◽

Rheological Behaviour ◽

Low Rank ◽

Water Slurry ◽

Lower Viscosity ◽

Coal Water Slurry ◽

Effect Of Particle Size ◽

The Stability

An experimental investigation has been conducted to study the rheological behaviour of coal-water slurry (CWS) of low rank coal. Different samples have been prepared by pulverizing it to powder form. Bi-modal and mono-modal samples have been prepared separately. Thereafter slurry was prepared by adding distilled water to the sample. CWS of different coal concentration have been prepared with particle size from 37 µm to 250 µm. The rheological behaviour of both mono-modal and bi-modal slurry have been investigated with help of HAAKE RHEO STRESS 1, a thermo scientific rheometer. Comparing the rheological behaviour of CWS prepared from bi-modal sample and mono-modal sample, it is observed that CWS from bimodal exhibit lower viscosity and shear stress compare to mono-modal sample. The stability of slurry prepared from bi-modal samples are found to be poor than mono-modal samples. The stability of coal sample below 75µm at different concentration has also been investigated. Also the characterization of coal sample has been done. It is observed that as the ratio of coarse particle decreases the shear stress and viscosity also decreases.

Download Full-text