cryo grinding equipment drag reducing agent

Drag reducing agent

A drag reducing agent (DRA), also called drag reducer or flow improver, is a long chain polymer chemical that is used in crude oil, refined products or non- potable water …

US20080287568A1

Fine particulate polymer drag reducing agent (DRA) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. ... (DRA) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. The grinding or pulverizing of ...

WO2004060979A1

A process for producing tine particulate polymer drag reducing agent (DRA) by without cryogenic temperatures, is described. The grinding or pulverizing of polymer, such as poly (alpha-olefin) may be achieved by the use of at least one solid organic grinding aid and at least one liquid grinding aid. In one non-limiting embodiment of the invention, the …

Experimental evaluation and surface integrity analysis of …

˚e machine used in the experimentation of this work was a GER CU-1000 CNC cylindrical grinding machine, in which the specimens were clamped between centers with a drag claw. Figure 2 describes ...

US20040112995A1

Examples of a solid organic grinding aid include ethene/butene copolymer particles, paraffin waxes and solid alcohols. An example of a suitable liquid grinding aid includes a blend of glycol, water and isopropyl alcohol.

CA2511774C

A process for producing tine particulate polymer drag reducing agent (DRA) by without cryogenic temperatures, is described. The grinding or pulverizing of polymer, such as poly (alpha-olefin) may be achieved by the use of at least one solid organic grinding aid and at least one liquid grinding aid. In one non-limiting embodiment of the invention, the …

Non-cryogenic process for grinding polyolefin drag reducing agents

Justia Patents Liquid-solid Drag Reduction Composition Or Process Of Preparing US Patent for Non-cryogenic process for grinding polyolefin drag reducing agents Patent (Patent # 6,946,500)

Pipelines Flow Chemicals (L.L.C)

What Is The Drag Reducing Agent TurboFlow? Drag Reducer Agent TurboFlow is a special polymer that injected into a pipeline transporting fluids (crude, refined products, non-potable water) so reducing the …

US20110319520A1

Fine particulate polymer drag reducing agents (DRAs) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. ... suitable for reducing drag in hydrocarbons may be achieved by the use of at least one liquid grinding aid and at least two grinding processors in series. The ...

Cryogenic Grinding

Cryogenic grinding is most effective when the product is sprayed with liquid nitrogen as it is being conveyed and introduced into the Attritor. An additional benefit of cryogenic milling in an internally agitated ball mill is the ability to fully immerse the product in liquid nitrogen during milling. The level of liquid nitrogen in the milling ...

Pipelines Flow Chemicals (L.L.C)

Latest Proprietary Cryo Grinding/Blending Equipment is installed. LAO Puri er & Polymerization units to be added. ... What Is The Drag Reducing Agent TurboFlow? Drag Reducer Agent TurboFlow is a special polymer that injected into a pipeline transporting fluids (crude, refined products, non-potable water) so reducing the frictional losses in the ...

DRAG REDUCING AGENTS

The drag reducing agent comprises polyolefin particles having a particle size of about 10 to about 2,000 microns; and the dispersing fluid comprising water, an alcohol, a hydrocarbon, or a combination comprising at least one of the foregoing. ... Known grinding methods such as non-cryogenic grinding and cryogenic grinding can be …

GRINDING POLYOLEFIN DRAG REDUCING

grinding process or mechanical work employed in size reduction tends to degrade the polymer, thereby reducing the drag reduction efficiency of the polymer. 0003. One common solution to preventing cold flow during the grinding proceSS is to coat the ground polymer particles with an anti-agglomerating agent. Cryogenic grind

Non-cryogenic process for grinding polyolefin drag reducing agents

Non-cryogenic process for grinding polyolefin drag reducing agents United States Patent Application 20040112995 Kind Code:

Drag Reducing Agent

No injection probes or other special equipment should be required to introduce the drag-reducing slurry into the liquid stream, nor is grinding (cryogenic or otherwise) of the …

Cryogenic Grinding

Cryogenic grinding installations are used for gentle grinding of: Aromatic. Very oily. Greasy. or temperature-sensitive products. A cooling down of the material to below 0 oC …

DRAG REDUCING AGENTS

The drag reducing agent comprises polyolefin particles having a particle size of about 10 to about 2,000 microns; and the dispersing fluid comprising water, an alcohol, a hydrocarbon, or a combination comprising at least one of the foregoing. ... Known grinding methods such as non-cryogenic grinding and cryogenic grinding can be used ...

EP2155405A1

Fine particulate polymer drag reducing agent (DRA) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. ... EP2155405A1 - Polyolefin drag reducing agents produced by non-cryogenic grinding - Google Patents Polyolefin drag reducing agents produced by non-cryogenic grinding ...

Non-cryogenic process for granulating polymer drag reducing agents

Non-cryogenic process for granulating polymer drag reducing agents . United States Patent 7271205 . Abstract: A method for producing a particulate polymer drag reducing agent, comprising granulating a bulk polymer DRA having an average size of greater than about 100 mm in the presence of a liquid wetting agent to form a granulated polymer …

US20040132883A1

The polymer and the temporary container are then ground together, preferably at non-cryogenic temperatures, to produce a particulate polymer drag reducing agent. In one preferred, non-limiting embodiment, the grinding or pulverizing occurs in the presence of at least one solid organic grinding aid.

Experimental evaluation and surface integrity …

˚e machine used in the experimentation of this work was a GER CU-1000 CNC cylindrical grinding machine, in which the specimens were clamped between centers with a drag …

cryo grinding equipment drag reducing agent

cryo grinding equipment drag reducing agent A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30 carbon atoms, the polyolefin drag reducing agent suspended in a suspending medium and comprising 2,2,4trimethyl1,3pentanediol monoisobutyrate containing up to ...

Polyolefin Drag Reducing Agents Produced by Non-Cryogenic Grinding …

Patent application title: Polyolefin Drag Reducing Agents Produced by Non-Cryogenic Grinding Inventors: Thomas Mathew Nagesh S. Kommareddi Agents: MADAN, MOSSMAN & SRIRAM, P.C. Assignees: BAKER HUGHES INCORPORATED Origin: HOUSTON, TX US IPC8 Class: AC08J312FI USPC Class: 523175 Abstract: Fine …

Cryogenic Grinding

Cryogenic grinding – which cools materials to embrittle them and improve their processabiilty – provides important advantages over grinding at ambient temperatures, particularly for materials that are too soft or too …

Polyolefin Drag Reducing Agents Produced by Non-Cryogenic Grinding

Fine particulate polymer drag reducing agent (DRA) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. ... Liquid-solid Drag Reduction Composition Or Process Of Preparing US Patent Application for Polyolefin Drag Reducing Agents Produced by Non-Cryogenic Grinding Patent ...

Non-cryogenic process for granulating polymer drag reducing agents

A method for producing a particulate polymer drag reducing agent, comprising granulating a bulk polymer DRA having an average size of greater than about 100 mm in the presence of a liquid wetting agent to form a granulated polymer DRA having an average size of from about 1 to about 100 mm. The granulated polymer DRA may then be ground to form a …

Process for homogenizing polyolefin drag reducing agents

Abstract. A process for producing polymer drag reducing agent (DRA) slurries without cryogenic temperatures or conventional grinding is described. The homogenizing or size reduction of polymer, such as poly (alpha-olefins), may be achieved by the use of granulated polymer and at least one liquid, non-solvent for the polymer DRA. In one non ...

cryo grinding equipment drag reducing

Cryo grinding equipment drag reducing agent 4.9 - 3466 Ratings The Gulin product line, consisting of more than 30 machines, sets the standard for our industry. We plan to help you meet your needs with our equipment, with our distribution and product support system, and … Read more

Non-cryogenic process for grinding polyolefin drag reducing agents

Further, the grinding process or mechanical work employed in size reduction tends to degrade the polymer, thereby reducing the drag r Method used the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and ...

WO2013009553A2

Fine particulate polymer drag reducing agents (DRAs) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. ... suitable for reducing drag in hydrocarbons may be achieved by the use of at least one liquid grinding aid and at least two grinding processors in series. The ...