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1. WO2020115335 - PROCESS FOR RECOVERING PLASTIC MATERIAL AND RELATED PLANT

Publication Number WO/2020/115335
Publication Date 11.06.2020
International Application No. PCT/EP2020/053390
International Filing Date 11.02.2020
IPC
B29B 17/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics
B29B 17/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics
02Separating plastics from other materials
B29B 17/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics
04Disintegrating plastics
B29K 23/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D103
23Use of polyalkenes as moulding material
B29K 509/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D103
509Use of inorganic materials not provided for in groups B29K503/-B29K507/106
CPC
B29B 17/0036
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics;
0026by agglomeration or compacting
0036of large particles, e.g. beads, granules, pellets, flakes, slices
B29B 17/02
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics;
02Separating plastics from other materials
B29B 17/0412
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics;
04Disintegrating plastics, ; e.g. by milling
0412to large particles, e.g. beads, granules, flakes, slices
B29B 2017/042
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics;
04Disintegrating plastics, ; e.g. by milling
042Mixing disintegrated particles or powders with other materials, e.g. with virgin materials
B29B 2017/0484
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
17Recovery of plastics or other constituents of waste material containing plastics;
04Disintegrating plastics, ; e.g. by milling
0424Specific disintegrating techniques; devices therefor
0484Grinding tools, roller mills or disc mills
B29K 2023/12
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR ; MOULDS, ; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
2023Use of polyalkenes ; or derivatives thereof; as moulding material
10Polymers of propylene
12PP, i.e. polypropylene
Applicants
  • RIALTI S.P.A. [IT]/[IT]
Inventors
  • DAL TOSO, Massimo
  • DAL TOSO, Mattia
Agents
  • LONGONI, Alessandra
Priority Data
10201900000202112.02.2019IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR RECOVERING PLASTIC MATERIAL AND RELATED PLANT
(FR) PROCÉDÉ DE RÉCUPÉRATION DE MATÉRIAU PLASTIQUE ET INSTALLATION ASSOCIÉE
Abstract
(EN)
A process (100) for recovering plastic material, in particular polypropylene plastic material, comprising in sequence at least the steps of: shredding and reducing the material to be recovered into flakes of predetermined dimensions (120), transporting the flakes in the shape of flakes mixed with air (130), mixing the flakes mixed with air (210), transport and weigh the flakes mixed with air (220), compacting and dosing the flakes mixed with air (230), realizing a forced feeding of materials comprising compacted flakes free of air, process materials and additives (240), extruding both the materials exiting the forced feeding step (240) and mineral fillers provided to complete the recovery process of the plastic material. The invention also relates to a plant for carrying out the process (100).
(FR)
Un procédé (100) pour récupérer un matériau plastique, en particulier un matériau plastique de polypropylène, comprend en séquence au moins les étapes consistant à : broyer et réduire le matériau à récupérer en flocons de dimensions prédéterminées (120), transporter les flocons sous la forme de flocons mélangés avec de l'air (130), mélanger les flocons mélangés avec de l'air (210), transporter et peser les flocons mélangés avec de l'air (220), compacter et doser des flocons mélangés avec de l'air (230), effectuer l'alimentation forcée de matériaux comprenant des flocons compactés exempts d'air, de matériaux de traitement et des additifs (240), extruder à la fois les matériaux sortant de l'étape d'alimentation forcée (240) et des charges minérales fournies pour terminer le processus de récupération du matériau plastique. La présente invention concerne en outre une installation destinée à exécuter le procédé (100).
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