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1. WO2020194224 - SYSTEM FOR RECYCLING WASTEWATER RESULTING FROM THE WASHING AND RINSING PROCESS OF A DISHWASHER, ESPECIALLY FOR REUSE IN SAID PROCESS AND FOR IRRIGATION OF PLANTS, AND PROCESS FOR THE USE OF SAID SYSTEM

Publication Number WO/2020/194224
Publication Date 01.10.2020
International Application No. PCT/IB2020/052847
International Filing Date 26.03.2020
IPC
C02F 3/34 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
34characterised by the microorganisms used
C02F 3/06 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
02Aerobic processes
06using submerged filters
C02F 3/10 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
02Aerobic processes
10Packings; Fillings; Grids
C02F 1/00 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
A01G 25/00 2006.01
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
25Watering gardens, fields, sports grounds or the like
A47L 15/42 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
15Washing or rinsing machines for crockery or table-ware
42Details
CPC
A47L 15/4202
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
LDOMESTIC WASHING OR CLEANING
15Washing or rinsing machines for crockery or tableware
42Details
4202Water filter means or strainers
A47L 15/4291
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
LDOMESTIC WASHING OR CLEANING
15Washing or rinsing machines for crockery or tableware
42Details
4291Recovery arrangements, e.g. for the recovery of energy or water
C02F 1/001
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
001Processes for the treatment of water whereby the filtration technique is of importance
C02F 1/006
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
006Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
C02F 1/008
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
008Control or steering systems not provided for elsewhere in subclass C02F
C02F 2103/002
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2103Nature of the water, waste water, sewage or sludge to be treated
002Grey water, e.g. from clothes washers, showers or dishwashers
Applicants
  • UNIVERSITA' DEGLI STUDI DI ROMA "TOR VERGATA" [IT]/[IT]
  • POLITECNICO DI MILANO [IT]/[IT]
Inventors
  • MIGLIORE, Luciana
  • CANINS, Cristiano
  • VEZZOLI, Carlo Arnaldo
  • COSTA, Fiammetta
  • VIGNATI, Giorgio
  • AMATI, Alessandra
  • CARBONIERO, Adriano
  • CONGESTRI, Roberta
  • KRASOJEVIC, Klaudia
  • PERINI, Nicoletta
  • SAVIO, Saverio
  • SANTORO, Piero
  • LAPROCINA, Stefano
  • ANTONELLI, Manuela
  • SPANO', Simone
  • ROTINI, Alice
  • MANGIAROTTI, Raffaella
  • MERAVIGLIA, Matteo
  • BURATTI, Giorgio
  • DI MAURO, Michele
  • NEBULONI, Attilio
  • PEREGO, Paolo
  • SIRONI, Roberto
  • SPANU, Filippo
  • STANDOLI, Carlo Emilio
  • ZIYAEE, Maryam
Agents
  • BORSANO, Corrado
  • BARONI, Matteo
  • FERRONI, Filippo
  • CAMOLESE, Marco
  • REPOSIO, Giancarlo
Priority Data
10201900000458327.03.2019IT
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) SYSTEM FOR RECYCLING WASTEWATER RESULTING FROM THE WASHING AND RINSING PROCESS OF A DISHWASHER, ESPECIALLY FOR REUSE IN SAID PROCESS AND FOR IRRIGATION OF PLANTS, AND PROCESS FOR THE USE OF SAID SYSTEM
(FR) SYSTÈME DE RECYCLAGE DES EAUX USÉES RÉSULTANT DU PROCESSUS DE LAVAGE ET DE RINÇAGE D'UN LAVE-VAISSELLE, EN PARTICULIER POUR LA RÉUTILISATION DANS LEDIT PROCESSUS ET POUR L'IRRIGATION DE PLANTES, ET PROCÉDÉ D'UTILISATION DUDIT SYSTÈME
Abstract
(EN)
A system for recycling wastewater resulting from the washing and rinsing process of a dishwasher (1) is described, said dishwasher having at least one washing cycle and at least one rinsing cycle, the system comprising: - a plant irrigation system (7) comprising a collection system (8) for collecting drainage irrigation liquid coming from the irrigation system; - a first reservoir (2) adapted to receive and contain liquid drained from the dishwasher as a result of said washing and rinsing cycles and liquid coming from said collection system (8); - a second reservoir (3) adapted to receive and contain a liquid; - a first filter (4) adapted to filter a liquid coming from said first reservoir (2); - a biological filter (5) adapted to further filter the liquid coming from said first filter (4), said biological filter being adapted to transform an organic component of the liquid received from said first filter into an inorganic component, comprising nutritious substances for said plants; - a first pumping device (6) adapted to supply the liquid coming out of said biological filter (5) to said plant irrigation system (7) or, if not required by said irrigation system, to said second reservoir (3); - a second filter (9) and a second pumping device (10) respectively adapted to filter and supply liquid contained in said second reservoir (3) to a washing water inlet (I) of said dishwasher (1) as a partial or total replacement for water coming from an external water supply network (E), for supplying water to the dishwasher.
(FR)
L'invention concerne un système de recyclage des eaux usées résultant du processus de lavage et de rinçage d'un lave-vaisselle (1), ledit lave-vaisselle comportant au moins un cycle de lavage et au moins un cycle de rinçage, le système comprenant : un système d'irrigation de plante (7) composé d'un système de collecte (8) servant à collecter un liquide d'irrigation de drainage provenant du système d'irrigation ; un premier réservoir (2) conçu pour recevoir et contenir le liquide évacué du lave-vaisselle résultant desdits cycles de lavage et de rinçage, et le liquide provenant dudit système de collecte (8) ; un second réservoir (3) conçu pour recevoir et contenir un liquide ; un premier filtre (4) conçu pour filtrer un liquide provenant dudit premier réservoir (2) ; un filtre biologique (5) conçu pour filtrer davantage le liquide provenant dudit premier filtre (4), ledit filtre biologique étant conçu pour transformer un composant organique du liquide reçu dudit premier filtre en un composant inorganique, comprenant des substances nutritives pour lesdites plantes ; un premier dispositif de pompage (6) conçu pour acheminer le liquide sortant dudit filtre biologique (5) vers ledit système d'irrigation de plante (7) ou, si ledit système d'irrigation ne le nécessite pas, vers ledit second réservoir (3) ; un second filtre (9) et un second dispositif de pompage (10) respectivement conçus pour filtrer et acheminer le liquide contenu dans ledit second réservoir (3) vers une entrée d'eau de lavage (I) dudit lave-vaisselle (1) en remplacement partiel ou total de l'eau provenant d'un réseau d'alimentation en eau externe (E), afin de fournir de l'eau au lave-vaisselle.
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