B29B2017/0234

Improved method and system for reclaiming the individual components of a synthetic or artificial turf product
20250083361 · 2025-03-13 · ·

The present invention relates to an improved method and system for reclaiming the individual components of a synthetic or artificial turf product in a form almost similar to their original outset. The result is achieved by a method divided in three sections a first section in which the turf is downsized and dried, a second section where infill, such as rubber and sand, is separated and a third section where grass fiber and backing are separated.

RESIN RECOVERY METHOD

A method for recovering resin from a salvage vehicle is provided that includes the steps of: dismantling the salvage vehicle to obtain a salvage vehicle shell; shredding the salvage vehicle shell to obtain a first shredder dust; air sorting the first shredder dust to obtain first low-specific-gravity dust and first high-specific-gravity dust which is higher specific gravity than the first low-specific-gravity dust; and wet gravitational sorting the first high-specific-gravity dust, in which interior components containing fiber are removed upon dismantling the salvage vehicle, and further including steps of shredding the interior components to obtain second shredder dust; and air sorting the second shredder dust to obtain second low-specific-gravity dust and second high-specific-gravity dust which is higher specific gravity than the second low-specific-gravity dust.

Manufacturing method with improved fragment size and plastic-to-paper ratio

Disclosed herein is a roof cover board and a method of manufacturing an improved cover board product. The method includes receiving waste materials or first use materials, the waste materials or first use materials containing a mixture of cellulose, plastic and other materials; separating the cellulose and the plastic from the mixture; shredding the separated cellulose using a first shredder into a stream of cellulose and shredding the separated plastic using a second shredder into a stream of plastic; selecting a cellulose to plastic ratio from a plurality of cellulose to plastic ratios; metering shredded cellulose from the stream of cellulose and shredded plastic from the stream of plastic according to the selected cellulose to plastic ratio; mixing the metered shredded cellulose and plastic; forming said mixture into a mat; and consolidating the mat into a finished good using heat and pressure.

PLASTIC RECYCLING METHOD FOR PROCESSING PLASTIC WASTE
20250073959 · 2025-03-06 ·

A plastic recycling method for processing plastic waste, including providing a plastic waste mixture stream having, on the one hand, a variable proportion of 2D material and a variable proportion of 3D material and, on the other hand, an inhomogeneous density distribution, the proportions varying over time. Washing both proportions of the plastic waste mixture stream together. Shredding both proportions of the plastic waste mixture stream together while supplying a cleaning fluid. Density-based separation of the plastic waste mixture stream into at least two fractions, wherein the separation is performed as a function of a predeterminable density separation cut; and for at least one of the separated fractions: separating the fraction of 2D material and the fraction of 3D material from each other.

POST-CONSUMER RECYCLATED COLORED POLYPROPYLENE COMPOSITION

The present invention concerns a polypropylene mixed color blend having (i) a crystalline fraction (CF) content determined according to CRYSTEX QC analysis, in the range from 85.0 to 95.0 wt.-%, (ii) a soluble fraction (SF) content in the range from 5.0 to 15.0 wt.-%, (iii) a total ethylene content (C2), in the range from 2.0 to 10.0 wt.-%, (iv) said crystalline fraction (CF) has a propylene content (C3 (CF)) as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from 93.0 to 99.0 wt.-%; (v) said crystalline fraction (CF) has an ethylene content (C2 (CF)), as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from [C2]-3.4 wt.-% to [C2]-0.2 wt.-%, wherein [C2] is the total ethylene content (C2) defined in (iii), (vi) a CIELAB color space (L*a*b*) measured according to DIN EN ISO 11664-4, of L* from 30.0 to 73.0; a* from 10 to 25; and b* from 5 to 20. The invention also concerns a method for obtaining the above polypropylene mixed color blend and its use for household applications, automotive applications, appliances, packaging, or wire and cable applications. The invention further concerns articles made from the above polypropylene mixed color blend, e.g. for caps, closures, bottles, containers, automotive articles, and wire and cable articles.

MANUFACTURING METHOD WITH IMPROVED FRAGMENT SIZE AND PLASTIC-TO-PAPER RATIO

Disclosed herein is a method of manufacturing a fragment. The method includes receiving waste materials that include paper and thermoplastic articles, refining the received waste materials to a size of about 10 or less, processing the refined waste materials through one or more screens to generate a set of fragments having a size between about 2 and about 10, using a wind sifter, separating a subset of the set of fragments based on each fragment of the subset having a density below a threshold, the subset comprising paper and plastic fragments, using a near infrared sorting device, separating at least a portion of the plastic fragments from the subset, and refining the separated plastic fragments to a size of about 50 mm or less.

PROCESS FOR RECYCLING POLYETHYLENE TEREPHTHALATE DETERMINED BY INTRINSIC VISCOSITY OF POLYETHYLENE TEREPHTHALATE

One aspect is a method for producing a first intermediate product.

A feedstock is provided that comprises a first polyester.

The feedstock is connected with a first amount of a first organic compound in a volume section V.sub.1 to obtain a first initial mixture. The first amount is in the form of a liquid.

The first polyester is contacted with a further organic compound in a volume section V.sub.3 to obtain a further initial mixture.

A weight average molar mass of the first polyester is reduced in the volume section V.sub.3 to obtain a first intermediate mixture. The first intermediate mixture comprises a first intermediate product and the further organic compound.

The first polyester is transported in a first direction that is at least partially opposite the direction of gravity when the first polyester has an intrinsic viscosity that is larger than or equal to Y.sub.IV,1, where Y.sub.IV,1 is 0.10 dL/g, and in further direction that is at least partially along the direction of gravity when the first polyester has an intrinsic viscosity that is less than or equal to Y.sub.IV,2, where Y.sub.IV,2 is 0.09 dL/g.

Resin recovery method

A method for recovering resin from a salvage vehicle is provided that includes the steps of: dismantling the salvage vehicle to obtain a salvage vehicle shell; shredding the salvage vehicle shell to obtain a first shredder dust; air sorting the first shredder dust to obtain first low-specific-gravity dust and first high-specific-gravity dust which is higher specific gravity than the first low-specific-gravity dust; and wet gravitational sorting the first high-specific-gravity dust, in which interior components containing fiber are removed upon dismantling the salvage vehicle, and further including steps of shredding the interior components to obtain second shredder dust; and air sorting the second shredder dust to obtain second low-specific-gravity dust and second high-specific-gravity dust which is higher specific gravity than the second low-specific-gravity dust.

METHODS AND SYSTEMS FOR HIGH THROUGHPUT SEPARATION AND RECOVERY OF PLASTICS FROM WASTE MATERIAL
20250319635 · 2025-10-16 ·

Methods and systems presented herein are designed for processing waste material to extract plastics. These methods and systems encompass comminution and various stages of gravity separation. For comminution, a ball mill or a rod mill can be employed. The waste material can be or can include automobile shredder residue.

PLANT AND METHOD FOR SORTING POLYMERIC WASTE
20250353219 · 2025-11-20 · ·

A plant for production of a mixture of waste based on polyolefins and XPS suitable for feeding into a pyrolytic reactor. The plant includes: a feeding station that releases a flow of material to be treated; a first station for removing the metal fragments; at least one optical separator for removing the non-polyolefin polymers and the textile and cellulosic fractions; a screen for removing the foreign bodies with dimensions smaller than a predefined minimum; a shredder for reducing the particle size of the material to be treated; a second station for removing the metal fragments; and an aeraulic separator for separating the three-dimensional polyolefin fraction from the two-dimensional polyolefin fraction. The embodiments also concern a method for the production of a mixture of waste based on polyolefin and XPS, suitable for chemical recycling.