Results 201 to 210 of about 1,131 (250)

Influence of inert materials on the self-ignition of flammable dusts

Journal of Loss Prevention in the Process Industries, 2015
Abstract Flammable solid bulk materials, including dusts, often undergo spontaneous combustion and the spread of reaction fronts. By addition of inert substances, the ignition and combustion behavior can be influenced. In a series of experiments different types of coal were mixed with inert powders to study the effect of the composition on the self ...

exaly   +2 more sources

Effectiveness of various rock dusts as agents of coal dust inerting.

Journal of Loss Prevention in the Process Industries, 1992
Abstract An experimental investigation of requirements for coal dust inerting was conducted in a 26 l, spherical chamber. A mine-face sample of coal from the Prince mine of the Cape Breton Development Corporation was tested; rock dusts used were limestone, dolomite (two particle sizes) and magnesite.
Paul R. Amyotte, Kenneth J. Mintz, Michael J. Pegg   +2 more
openaire   +2 more sources

Inert dust insecticides: Part II. The nature of effective dusts

Annals of Applied Biology, 1944
The conditions required in an inert dust for it to become an effective insecticide against grain weevils have been investigated. Particle size and intrinsic hardness are important, but not the only, factors. In the case of carborundum, particles larger than 15μ are without action, probably because they do not adhere to insects, and effectiveness ...
P. Alexander, J. A. Kitchener, H. V. A. Briscoe   +2 more
openaire   +1 more source

Inerting of magnesium dust cloud with Ar, N2 and CO2

Journal of Hazardous Materials, 2009
Experiments were conducted on the inerting of magnesium dust with N(2), CO(2), and Ar. Comparing the maximum explosion pressure, maximum rate of pressure rise, and limiting oxygen concentration with different inertants, it was determined that Ar is not the best inert gas under all conditions as commonly believed.
G, Li, C M, Yuan, Y, Fu, Y P, Zhong, B Z, Chen   +4 more
openaire   +2 more sources

Suppression effect of inert gases on aluminum dust explosion

Powder Technology, 2021
Abstract The suppression mechanism of inert gases for 5 μm aluminum dust explosion was investigated in a confined cuboid chamber. The characteristic parameters of flame propagation and explosion severity parameters that were affected by the inert gases were systematically studied.
Shulin Zhang, Mingshu Bi, Haipeng Jiang, Wei Gao   +3 more
openaire   +1 more source

Flammability limits of dusts: Minimum inerting concentrations

Process Safety Progress, 1999
AbstractA new flammability limit parameter has been defined as the Minimum Inerting Concentration (MIC). This is the concentration of inertant required to prevent a dust explosion regardless of fuel concentration. Previous experimental work at Fike in a 1‐m3 spherical chamber has shown this flammability limit to exist for pulverized coal dust and ...
A. G. Dastidar, P. R. Amyotte, J. Going, K. Chatrathi   +3 more
openaire   +1 more source

Haemolytic Activity of Suspensions of Different Silica Modifications and Inert Dusts

Nature, 1965
RECENTLY, Harley and Margolis1 reported haemolytic activity of amorphous silica particles of sizes larger than 5 mµ. In the course of an investigation on the possible role of complement (C′) in the cytotoxicity of quartz, our experiments revealed a specific haemolytic effect of buffered saline suspensions of this mineral.
K, Stalder, W, Stöber
openaire   +2 more sources

Explosion energy of methane/deposited coal dust and inert effects of rock dust

Fuel, 2018
Abstract In order to study the processes of lifting, dispersing and igniting of a dust layer behind the local gas explosion as well as their suppression, premixed methane local explosion igniting deposited coal/inert rock dust at the bottom of a tube are simulated. The two-phase combustion mechanism is obtained that the deposited dust is kicked up by
Yifan Song, Bouras Nassim, Qi Zhang
openaire   +1 more source

Inert dusts and their effects on the poultry red mite (Dermanyssus gallinae)

Experimental and Applied Acarology, 2009
The haematophagous poultry red mite (Dermanyssus gallinae) is the most important pest of egg laying hens in many parts of the world. Control has often relied on chemical pesticides, but inert dusts, which are thought to kill target hosts primarily by desiccation, have become one of the most commonly applied alternative control methods for poultry red ...
Kilpinen, Ole, Steenberg, Tove
openaire   +3 more sources

Inertization of pyrite cinders and co-inertization with electric arc furnace flue dusts by pyroconsolidation at solid state

Waste Management, 2002
The viability of a pyroconsolidation process to render pyrite cinders inert and to co-inert pyrite cinders with a hazardous polymetallic residue such as electric arc furnace flue dusts (EAF) containing Pb, Cu, Zn, As, Cr, Ni and Mo were investigated. The effects of pyroconsolidation temperature (800-1200 degrees C), milling pyrite cinders and additions
J, Viñals, M J, Balart, A, Roca
openaire   +2 more sources