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US8783589B2 Grinding method Google Patents

A method of grinding a particulate material, comprising grinding said material in a stirred mill in the presence of a grinding media comprising rod-shaped particles, wherein said rod-shaped particles have an aspect ratio of equal to or greater than about 2:1.

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US7938346B2 Grinding method for inorganic particulate

A method of preparing a steep particle size inorganic particulate material includes grinding an aqueous suspension of an inorganic particulate material having a solids content of less than 35% and including a sub-effective amount of a dispersant for the inorganic particulate material. The method may further include dewatering the aqueous suspension to a solids content of at least 50% and

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EP2174717A1 Grinding method Google Patents

A method of grinding a particulate material, comprising grinding said material in a stirred mill in the presence of a grinding media comprising rod-shaped particles, wherein said rod-shaped particles have an aspect ratio of equal to or greater than about 2:1.

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Grinding method Imerys

A method of grinding a particulate material, comprising grinding said material in a stirred mill in the presence of a grinding media comprising rod-shaped particles, wherein said rod-shaped particles have an aspect ratio of equal to or greater than about 2:1.

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Effects of grinding method, particle size, and physical

Diets differed in 1) grinding method, either hammer or roller mill; 2) physical form, either mash or expandate; and 3) particle size, either coarsely or finely ground. During the experimental trial, the laying performance of each feeding group was recorded daily and the feed intake and BW determined weekly.

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Effects of grinding method, particle size, and physical

Diets differed in 1) grinding method, either hammer or roller mill; 2) physical form, either mash or expandate; and 3) particle size, either coarsely or finely ground. During the experimental trial, the laying performance of each feeding group was recorded daily and the feed intake and BW determined weekly.

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EP2174717A1 Grinding method Google Patents

A method of grinding a particulate material, comprising grinding said material in a stirred mill in the presence of a grinding media comprising rod-shaped particles, wherein said rod-shaped particles have an aspect ratio of equal to or greater than about 2:1.

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Grinding of particulate material PEARCE DAVID ANTHONY

Apparatus (1) for grinding a suspension of a particulate solid material.The apparatus (1) comprises a grinding chamber (2), means (7, 8) for introducing a suspension of the particulate solid material into the grinding chamber (2) and an impeller (6) which is rotated and thereby agitates the particulate grinding medium and the suspension of particulate solid material in the grinding chamber (2).

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EPO T 1362/10 (Grinding method with "sub-effective

1.1.2 Vis-à-vis E1 the problem to be solved is the provision of a grinding method for inorganic particulate material improving discolouration properties, compatibility with dispersants and filtration properties. 1.1.3 As the solution to this problem the method described in Claim 1 of the patent-in-suit has been proposed by the Respondent.

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[PDF] Effects of different grinding methods and particle

The effect of grinding method of barley and wheat on total tract digestibility of barley±soyabean meal and wheat±soyabean meal diet, N-balance (experiments 1 and 2) and pig performance (experiments 3 and 4) was studied. Cereals were ground by four mill types and there were two degrees of grinding fineness within each mill type. Mill types were a hammer mill (HM, sieve size 3 and 5 mm), a

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METHOD OF FINE-GRINDING EASTMAN KODAK CO.

A method of grinding particulate matter comprising passing a fluid mixture comprising particulate matter and grinding bodies of a size between about 60 and about 200 mesh in a fluid vehicle through an impeller rotating at a speed to impart kinetic energy to said fluid mixture sufficient to achieve grinding.

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Grinding-aided electrochemical discharge machining of

The new method utilizes boththe grinding action of diamond gri ts and the thermal and chemical effects of ECDM for material removal. developed a grinding-aided model to machine particulate

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Basics of Grinding Manufacturing

Grinding is a material removal and surface generation process used to shape and finish components made of metals and other materials. The precision and surface finish obtained through grinding can be up to ten times better than with either turning or milling. Grinding employs an abrasive product, usually a rotating wheel brought into

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US3067551A Grinding method Google Patents

US3067551A US762583A US76258358A US3067551A US 3067551 A US3067551 A US 3067551A US 762583 A US762583 A US 762583A US 76258358 A US76258358 A US 76258358A US 3067551 A US3067551 A US 3067551A Authority US United States Prior art keywords grinding fine wheel grained sections Prior art date 1958-09-22 Legal status (The legal status is an assumption and is not a legal

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Particulate Matter (PM) Emission Calculations

Particulate Matter (PM) Emission Calculations Mecklenburg County Land Use and Environmental Services Agency Air Quality Division Presented by: Evan Shaw . AP-42 Emission Factors • A representative value that attempts to relate the quantity of a

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Crystalline Silica Dust and Respirable Particulate Matter

The effectiveness of wet grinding (wet dust reduction method) and ventilated grinding (local exhaust ventilation method, LEV) in reducing the levels of respirable crystalline silica dust (quartz) and respirable suspended particulate matter (RSP) were compared with that of uncontrolled (no dust reduction method) conventional grinding.

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Emission Factors for Abrasive Materials

was done using NIOSH Method 7300. However, respirable particulate matter (PMresp.) were collected, in the NIOSH study, using MSA 10 mm nylon cyclones equipped with 37 mm, 0.5 µm pore pre-weighed PVC filter media, at a flow rate of 1.7 L/min. Analysis of respirable PM was conducted in accordance with NIOSH Method 0600.

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Monte Carlo simulation of particle breakage process during

Jun 12, 2000· The Monte Carlo method is quite useful in the modeling of particulate systems. It is used here to simulate the particle brekage process during grinding that can be represented by a population balance equation. The simulation technique is free from discretization of time or size.

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Effect of grinding method on the analysis of essential oil

Grinding methods were evaluated aiming to determine yield and composition of essential oils (EOs) from Baccharis articulata (Lam) Pers., called as carqueja, a native plant from South Brazil. Cryogenic, knife (with and without cooling) and ball mills were used. The major constituents found in EOs were β-pinene, caryophyllene, spathulenol and caryophyllene oxide, but differences in 21 compounds

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