This disclosure describes formulations and methods for dust control, for example, coal topping, a term which refers to the application of liquid products to the top of coal loads, such as those in open topped coal hopper railcars as commonly used today to transport coal. Disclosed herein are asphalt-based emulsion formulations that accomplish dust control during industrial operations in which dust handling is required.

This disclosure describes formulations and methods for dust control, for example, coal topping, a term which refers to the application of liquid products to the top of coal loads, such as those in open topped coal hopper railcars as commonly used today to transport coal. Disclosed herein are asphalt-based emulsion formulations that accomplish dust control during industrial operations in which dust handling is required.

The invention is directed towards methods and compositions for treating piles of particulate materials to inhibit and prevent the loss of valuable fuel or mineral dust from being released from storage piles or open containers. The method involves applying separately to the pile two different compositions. When separate the two compositions are low viscosity and easy to spray. When combined the two form a gel coating that is resistant to erosion but is flexible while the pile or payload is still settling, jostling, being bumped, and otherwise moving around. This coating is especially effective for coal piles, iron ore piles, and also for piles within and/or being moved by open topped railroad cars. The coating's flexibility prevents the coating from becoming brittle and shattering. The coating has better performance than its ingredients do alone. As a result the invention can both prevent unwanted dust pollution as well as save its users money by avoiding loss of blown away material.

The invention is directed towards methods and compositions for treating piles of particulate materials to inhibit and prevent the loss of valuable fuel or mineral dust from being released from storage piles or open containers. The method involves applying separately to the pile two different compositions. When separate the two compositions are low viscosity and easy to spray. When combined the two form a gel coating that is resistant to erosion but is flexible while the pile or payload is still settling, jostling, being bumped, and otherwise moving around. This coating is especially effective for coal piles, iron ore piles, and also for piles within and/or being moved by open topped railroad cars. The coating's flexibility prevents the coating from becoming brittle and shattering. The coating has better performance than its ingredients do alone. As a result the invention can both prevent unwanted dust pollution as well as save its users money by avoiding loss of blown away material.

The disclosure provides an anti-adhesive composition for unvulcanized rubbers which enables a reduction in anti-adhesive-induced dusting, can exhibit high anti-adhesive properties even in a small application amount, and brings about high slipperiness. The anti-adhesive composition for unvulcanized rubbers includes (A) a water-soluble polymer, (B) particles of a water-insoluble organic polymer, (C) a metal soap, (D) a surfactant and water. The anti-adhesive composition for unvulcanized rubbers includes, with respect to the whole mass of the components excluding the water, 30 mass % or more the component (A), 1-20 mass % the component (B), 20-50 mass % the component (C), and 10-20 mass % the component (D).

The disclosure provides an anti-adhesive composition for unvulcanized rubbers which enables a reduction in anti-adhesive-induced dusting, can exhibit high anti-adhesive properties even in a small application amount, and brings about high slipperiness. The anti-adhesive composition for unvulcanized rubbers includes (A) a water-soluble polymer, (B) particles of a water-insoluble organic polymer, (C) a metal soap, (D) a surfactant and water. The anti-adhesive composition for unvulcanized rubbers includes, with respect to the whole mass of the components excluding the water, 30 mass % or more the component (A), 1-20 mass % the component (B), 20-50 mass % the component (C), and 10-20 mass % the component (D).

A method and flow agent for enhancing performance of solids or aiding solids flow, or both. The method includes providing a solids performance enhancing and flow aid agent, and processing the solids or causing the solids to flow, or both, in the presence of the performance enhancing and powder flow aid agent. The solids performance enhancing and flow aid agent includes a plant oil fraction having iodine value of greater than 55 g I.sub.2/100 g.

Surface treatment compositions and their methods of preparation. Such surface treatment compositions can comprise a solid cross-linking agent and a water-soluble polymer. Such solid cross-linking agent can include a plurality of dialdehyde residues, and the water-soluble polymer can include a plurality of pendant groups capable of covalently bonding with the solid cross-linking agent. The surface treatment compositions can further comprise a fibrous material. Applications for such surface treatment compositions include soil erosion prevention, dust control, and landfill cover.

Surface treatment compositions and their methods of preparation. Such surface treatment compositions can comprise a solid cross-linking agent and a water-soluble polymer. Such solid cross-linking agent can include a plurality of dialdehyde residues, and the water-soluble polymer can include a plurality of pendant groups capable of covalently bonding with the solid cross-linking agent. The surface treatment compositions can further comprise a fibrous material. Applications for such surface treatment compositions include soil erosion prevention, dust control, and landfill cover.

Provided is a foamed dust composition and a method of using the foamed dust composition. The foamed dust composition contains an aqueous foam comprising a foaming agent, a foam stabilizer, water, and a rock dust. The foamed dust composition is sprayed onto coal mine surfaces to prevent coal dust explosion in the event of a fire.