37 - Services de construction; extraction minière; installation et réparation
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Systems and plants for the recycling of lithium batteries. Administrative services to companies in particular in
relation to the preparation of the documentation required to
obtain the necessary permits to use recycling systems and
facilities. Installation and maintenance of systems and plants for the
recycling of lithium batteries. Lithium battery recycling process; recycling, treatment and
disposal of waste. Design and feasibility studies services; creation,
maintenance and updating of software; software consultancy;
research and development services of technologies for the
recovery and processing of materials and waste.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Administrative services to companies in particular in relation to the preparation of the documentation required to obtain the necessary permits to use recycling systems and facilities. Systems and plants for the recycling of lithium batteries. Lithium battery recycling process; recycling, treatment and disposal of waste. Installation and maintenance of systems and plants for the recycling of lithium batteries. Design and feasibility studies services; creation, maintenance and updating of software; software consultancy; research and development services of technologies for the recovery and processing of materials and waste.
37 - Services de construction; extraction minière; installation et réparation
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Systems and plants for recycling lithium batteries. Consultancy for businesses in particular relating to the preparation of the necessary documents for acquiring the necessary permits to use recycling systems and plants. Installation services and Maintenance in relation to the following goods: Systems and plants for recycling lithium batteries. Lithium battery recycling process; recycling of garbage, Waste processing treatment and disposal. Design services and Feasibility study services; Creation, maintenance and adaptation of software, Computer software consultancy; Technology research and development services for the recovery and processing of materials and slag.
4.
METHOD FOR RECOVERING METAL ZINC FROM SOLID METALLURGICAL WASTES
A method for recovering metal zinc from a solid metallurgical waste containing zinc and manganese, may include: (a) bringing the solid metallurgical waste into contact with an aqueous leaching solution comprising chloride ions and ammonium ions to produce at least one leachate including zinc ions and manganese ions and at least one insoluble solid residue; (b) cementing the leachate, by adding metal zinc as a precipitating agent, to eliminate at least one metal other than zinc and manganese possibly present in the leachate as ions and producing a purified leachate; (c) subjecting the purified leachate to electrolysis in an electrolytic cell including at least one cathode and at least one anode immersed in the purified leachate to deposit metal zinc on the cathode and producing at least one exhausted leachate, and, before the electrolysis, precipitating manganese ions by oxidation with permanganate ions and subsequently separating a precipitate including MnO2.
C22B 3/00 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
C22B 3/14 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines contenant de l'ammoniaque ou des sels d'ammonium
C22B 3/46 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques par substitution, p. ex. par cémentation
C25C 1/16 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions du zinc, du cadmium ou du mercure
5.
Spent or decommissioned accumulator treatment plant and process
A spent and/or decommissioned accumulator treatment plant and process, wherein a plurality of objects originating from separate waste collection of spent and/or decommissioned accumulators, nominally comprising lead-acid accumulators and accumulators and objects of a different type, are subject to an X-ray scan. If an analysis of the X-ray scan indicates that an object is not a lead-acid accumulator, and in particular is a lithium-ion battery or accumulator, it is deviated out of the treatment workflow, that comprises grinding the objects and separating lead from other materials.
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
B03B 9/06 - Disposition générale d'un atelier de séparation, p. ex. schéma opératoire spécialement adapté aux ordures
B07C 5/34 - Tri en fonction d'autres propriétés particulières
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
G01N 23/083 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en rayons X
C22B 3/14 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines contenant de l'ammoniaque ou des sels d'ammonium
C22B 3/46 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques par substitution, p. ex. par cémentation
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Systems and installations for recovering non-ferrous metals,
lead, plastic; units for recovering aluminium from scrap,
plants for producing copper cathodes from concentrates;
plants for recovering copper from scrap, slag and electric
cables; plants for the production of bars and pipes, plants
for wire rod drawing, plants for the ecological recovery of
lead and plastic from spent batteries including electrolyte
neutralisation and lead desulphurisation, systems and plants
for the production of lead from lead material from spent
batteries and from sulphides using an electrochemical
process; slag treatment plants; systems and plants for the
electrochemical production of zinc metal from electric
furnace dust from steelworks, zinc plating ashes and other
residues containing zinc oxide, separation plants for
municipal solid waste with production of compost and rdf
(refuse derived fuel); biological abatement plants for
odours produced during the oxidation of the organic part of
msw in compost preparation plants; pyrometallurgical systems
and installations for the treatment of steelworks dust and
flakes with production of unprocessed zinc oxide, cast iron
and inert slag in granules; sludge-processing equipment. Furnaces for recovering zinc or alloys from scrap; sewage
treatment plants of any kind; primary water treatment plants
for industrial and/or potable water purposes; evaporation
and crystallisation plants, with multistage or mechanical
reconipression systems, for the production or recovery of
sodium sulphate and sodium and/or potassium chloride salts. Consultancy for businesses in particular relating to the
preparation of the necessary documents for acquiring the
necessary permits to use recycling systems and plants. Installation and maintenance of recycling systems and
plants, for hydrometallurgical processing, slag treatment
and EAF dust. Design and engineering, feasibility studies; creation,
maintenance and adaptation of software, computer software
consultancy; technology research and development services
for the recovery and processing of materials and slag; all
the aforesaid services relating to the field of plants for
the recovery of aluminium, lead, copper and zinc from both
primary and secondary sources including scrap, slag, dust
and ore concentrates.
8.
SPENT OR DECOMMISSIONED ACCUMULATOR TREATMENT PLANT AND PROCESS
A spent and/or decommissioned accumulator treatment plant and process, wherein a plurality of objects originating from separate waste collection of spent and/or decommissioned accumulators, nominally comprising lead-acid accumulators and accumulators and objects of a different type, are subject to an X-ray scan. If an analysis of the X-ray scan indicates that an object is not a lead-acid accumulator, and in particular is a lithium-ion battery or accumulator, it is deviated out of the treatment workflow, that comprises grinding the objects and separating lead from other materials.
S.I.A.T. - SOCIETÀ ITALIANA ACCIAI TRAFILATI S.P.A. (Italie)
Inventeur(s)
Trasatti, Stefano
Magni, Mirko
Maccagni, Massimo Giuseppe
Guerrini, Edoardo
Bianco, Loris
Abrégé
The present invention concerns a process for producing a zinc-plated steel substrate comprising the following steps: a. providing a plasma electrolytic apparatus comprising a liquid electrolyte, at least one steel substrate to be plated acting as a cathode and at least one anode; the cathode being immersed in the liquid electrolyte; the liquid electrolyte containing Zn2+ ions and being obtained by leaching a Zn-containing material with a leaching solution; b. applying an electrical potential to the steel substrate to initiate a plasma electrolytic process at a surface of the steel substrate in contact with the electrolyte to obtain the zinc-plated steel substrate.
The present invention concerns a process for the recovery of lead from a lead pastel electrolytically, where the pastel contains lead sulfate. The process provides for the leaching of the non-desulfurised pastel and the subsequent removal of the sulfates by precipitation; the leachate containing the lead ions is then subjected to electrolysis for the recovery of metal lead. The present invention further relates to a process for the recovery of lead accumulator components, wherein the lead contained in the pastel of the accumulators is recovered according to the aforesaid process.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Systems and installations for recovering non-ferrous metals, lead, plastic; Units for recovering aluminium from scrap, plants for producing copper cathodes from concentrates; Plants for recovering copper from scrap, slag and electric cables; Plants for the production of bars and pipes, plants for wire rod drawing, plants for the ecological recovery of lead and plastic from spent batteries including electrolyte neutralisation and lead desulphurisation, systems and plants for the production of lead from lead material from spent batteries and from sulphides using an electrochemical process; Slag treatment plants; Systems and plants for the electrochemical production of zinc metal from electric furnace dust from steelworks, zinc plating ashes and other residues containing zinc oxide, separation plants for municipal solid waste with production of compost and RDF (refuse derived fuel); Biological abatement plants for odours produced during the oxidation of the organic part of MSW in compost preparation plants; Pyrometallurgical systems and installations for the treatment of steelworks dust and flakes with production of unprocessed zinc oxide, cast iron and inert slag in granules; Sludge-processing equipment. Furnaces for recovering zinc or alloys from scrap; Sewage treatment plants of any kind; Primary water treatment plants for industrial and/or potable water purposes; Evaporation and crystallisation plants, with multistage or mechanical recompression systems, for the production or recovery of sodium sulphate and sodium and/or potassium chloride salts. Consultancy for businesses in particular relating to the preparation of the necessary documents for acquiring the necessary permits to use recycling systems and plants. Installation and maintenance of recycling systems and plants, for hydrometallurgical processing, slag treatment and EAF dust. Design and engineering, Feasibility studies; Creation, maintenance and adaptation of software, Computer software consultancy; Technology research and development services for the recovery and processing of materials and slag; All the aforesaid services relating to the field of plants for the recovery of aluminium, lead, copper and zinc from both primary and secondary sources including scrap, slag, dust and ore concentrates.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Systems and installations for recovering non-ferrous metals, lead, plastic; Units for recovering aluminium from scrap, plants for producing copper cathodes from concentrates; Plants for recovering copper from scrap, slag and electric cables; Plants for the production of bars and pipes, plants for wire rod drawing, plants for the ecological recovery of lead and plastic from spent batteries including electrolyte neutralisation and lead desulphurisation, systems and plants for the production of lead from lead material from spent batteries and from sulphides using an electrochemical process; Slag treatment plants; Systems and plants for the electrochemical production of zinc metal from electric furnace dust from steelworks, zinc plating ashes and other residues containing zinc oxide, separation plants for municipal solid waste with production of compost and RDF (refuse derived fuel); Biological abatement plants for odours produced during the oxidation of the organic part of MSW in compost preparation plants; Pyrometallurgical systems and installations for the treatment of steelworks dust and flakes with production of unprocessed zinc oxide, cast iron and inert slag in granules; Sludge-processing equipment. Furnaces for recovering zinc or alloys from scrap; Sewage treatment plants of any kind; Primary water treatment plants for industrial and/or potable water purposes; Evaporation and crystallisation plants, with multistage or mechanical recompression systems, for the production or recovery of sodium sulphate and sodium and/or potassium chloride salts. Consultancy for businesses in particular relating to the preparation of the necessary documents for acquiring the necessary permits to use recycling systems and plants. Installation and maintenance of recycling systems and plants, for hydrometallurgical processing, slag treatment and EAF dust. Design and engineering, Feasibility studies; Creation, maintenance and adaptation of software, Computer software consultancy; Technology research and development services for the recovery and processing of materials and slag; All the aforesaid services relating to the field of plants for the recovery of aluminium, lead, copper and zinc from both primary and secondary sources including scrap, slag, dust and ore concentrates.
13.
PROCESS FOR RECOVERING LEAD FROM A LEAD PASTEL AND USE THEREOF IN A PROCESS FOR RECOVERING LEAD-ACID ACCUMULATOR COMPONENTS
The present invention concerns a process for the recovery of lead from a lead pastel electrolytically, where the pastel contains lead sulfate. The process provides for the leaching of the non-desulfurised pastel and the subsequent removal of the sulfates by precipitation; the leachate containing the lead ions is then subjected to electrolysis for the recovery of metal lead. The present invention further relates to a process for the recovery of lead accumulator components, wherein the lead contained in the pastel of the accumulators is recovered according to the aforesaid process.
The present invention relates to a process for desulphurising a material containing PbSO4, which comprises the following steps: (a) reacting said material in water with NaOH to produce an aqueous solution of Na2SO4 comprising a desulphurised material in the form of a dispersed solid containing lead oxide, lead hydroxide or mixtures thereof; (b) separating said desulphurised material from said aqueous solution of Na2SO4,- (c) subjecting said Na2SO4 aqueous solution coming from said step (b) to an electrolysis process in at least one electrolytic cell in order to form at least a H2SO4 aqueous solution, a NaOH aqueous solution and a desalinated aqueous solution comprising Na2SO4,- (d) recycling at least part of said NaOH aqueous solution and at least part of said desalinated aqueous solution comprising Na2SO4 to said step (a).
The present invention relates to a process for treating a solid carbonaceous material containing aluminum, fluorides and Na+ ions, comprising the following steps: (a) leaching said solid carbonaceous material with at least one aqueous alkaline solution to form: (i) an extraction solution comprising said aluminum in hydrosoluble form, said fluorides and said Na+ ions, and (ii) at least one solid insoluble residue; (b) separating said insoluble solid residue from said extraction solution; (c) subjecting said extraction solution free from said solid insoluble residue to a membrane electrolysis process to form at least one precipitate comprising said aluminum and at least one aqueous solution of NaOH. The above process is particularly suitable for the treatment of spent potlinings (SPLs) deriving from electrolytic reduction cells of alumina for the recovery of aluminum, fluorides, and sodium ions contained therein.
The present invention relates to an electrolytic process for producing metallic lead starting from desulfurized lead pastel comprising the following operative phases: a) leaching the desulfurized pastel by putting it in contact with a solution comprising ammonium chloride, with the formation of a leach liquor and evolution of gaseous CO2; b) separating a first solid residue and a first clarified leach liquor from the leach liquor coming from phase a); c) leaching the solid residue separated in phase b) by putting it in contact with a solution comprising ammonium chloride and hydrogen peroxide; d) separating a second solid residue and a second clarified leach liquor from the leach liquor coming from phase c); e) joining the first clarified leach liquor coming from phase b) with the second clarified leach liquor coming from phase d) and forming a single solution; f) subjecting the solution leaving phase e) to electrolysis in a flow cell, with a current density ranging from 50 to 10,000 A/m2, said electrolysis resulting in the formation of a lead sponge. The present invention also relates to the relative desulfurization process of the pastel.
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Machinery and plants composed thereof for the recovery of
non-ferrous metals, lead, plastic; machinery and units
composed thereof for the recovery of aluminium from scrap,
machinery and plants composed thereof for the production of
copper cathodes from concentrates; machinery and plants
composed thereof for the recovery of copper from scrap,
waste and electric cables; machinery and plants composed
thereof for the production of bars and tubes, machinery and
plants composed thereof for drawing of wire rods, machinery
and plants composed thereof for the ecological recovery of
lead and plastics from used batteries, including
neutralisation of electrolyte and desulphurization of lead,
machinery and systems and plants composed thereof for the
production of lead from plumbiferous material from used
batteries, and from sulphides through electrochemical
processes; machinery and systems and plants composed thereof
for waste treatment; machinery and systems and plants
composed thereof for the electrochemical production of
metallic zinc from powders of electric furnaces of steel
mills, from zinc ashes and other residuals containing zinc
oxide, machinery and plants composed thereof for separation
of urban solid waste with the production in turn of compost
and CDR (waste fuel); machinery and plants composed thereof
for the biological reduction of odours generated during the
oxidation of the organic process of urban solid waste in
plants during the preparation of compost; machinery and
systems and pyrometallurgical plants composed thereof for
the treatment of steel mills powders and flakes during the
production of crude zinc oxide, cast iron and inert waste in
the form of granules. Furnaces for the recovery of zinc or alloys from scrap;
plants for treatment of sewage of any nature; machinery and
plants composed thereof for the treatment of primary waters
for industrial and/or drinkable use; machinery and plants
composed thereof for the treatment of sludge; machinery and
plants composed thereof for the evaporation and
crystallisation, with multi-phase or mechanical
recompression systems, for the production or recovery of
sodium sulphate salts and of sodium chloride and potassium
chloride. Installation and maintenance of systems and plants for
recycling, hydrometallurgical process and treatment of waste
and EAF powders.
Plants for the electrolytic recovery and/or production of
non ferrous metals; plants for the treatment and/or
inertization of slag formed during the thermal production of
non ferrous metals; systems for the electrolytic recovery of
zinc from oxidized zinc based secondary raw material and/or
wastes as the dust generated in the production of steel from
scrap with the electric arc furnace or hot zinc galvanizing
ashes.
19.
PROCESS FOR PRODUCING METALLIC LEAD STARTING FROM DESULFURIZED PASTEL
The present invention relates to an electrolytic process for producing metallic lead starting from desulfurized lead pastel comprising the following operative phases: a) leaching the desulfurized pastel by putting it in contact with a solution comprising ammonium chloride, with the formation of a leach liquor and evolution of gaseous CO2; b) separating a first solid residue and a first clarified leach liquor from the leach liquor coming from phase a); c) leaching the solid residue separated in phase b) by putting it in contact with a solution comprising ammonium chloride and hydrogen peroxide; d) separating a second solid residue and a second clarified leach liquor from the leach liquor coming from phase c); e) joining the first clarified leach liquor coming from phase b) with the second clarified leach liquor coming from phase d) and forming a single solution; f) subjecting the solution leaving phase e) to electrolysis in a flow cell, with a current density ranging from 50 to 10,000 A/m2, said electrolysis resulting in the formation of a lead sponge. The present invention also relates to the relative desulfurization process of the pastel.
Plants for ecologic recovery of lead and plastics from dead
batteries, including neutralisation of electrolyte and
desulphurization of lead, systems and plants for the
production of lead from plumbiferous material from dead
batteries and sulphides through electrochemical process.
Metalworking machines for the recovery of non-ferrous metals, lead, and plastic; for the recovery of aluminum from scrap; for the production of copper cathodes from concentrates; for the recovery of copper from scrap, waste and electric cables; for the production of bars and tubes; for the drawing of wire rods; for the ecological recovery of lead and plastics from used batteries, including neutralization of electrolyte and desulphurization of lead; for the production of lead from plumbiferous material from used batteries, and from sulphides through electrochemical processes; for [ waist ] * waste * treatment; for the electrochemical production of metallic zinc from powders of electric furnaces of steel mills, and from zinc ashes and other residuals containing zinc oxide; for separation of urban solid waste with the production in turn of compost and CDR waste fuel; for the biological reduction of odors generated during the oxidation of the organic process of urban solid waste in plants during the preparation of compost; and for the treatment of steel mills powders and flakes during the production of crude zinc oxide, cast iron and inert waste in the form of granules
22.
Process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes
The present invention relates to a process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes based on leaching with a solution of sodium sulphide in which the sulphur contained in the residues is selectively leached as sodium polysulphide. The sulphur leaching solution is conveniently regenerated and recycled to the process.
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Machines and machine tools for the recycling of lead
batteries. Business administration services, particularly, in relation
to the preparation of documents which are necessary to
obtain needed authorizations for the use of machines and
machine tools for the recycling of lead batteries. Installation and maintenance services of machines and
machine tools for the recycling of lead batteries.
24.
SPENT OR DECOMMISSIONED ACCUMULATOR TREATMENT PLANT AND PROCESS
A spent and/or decommissioned accumulator treatment plant and process, wherein a plurality of objects originating from separate waste collection of spent and/or decommissioned accumulators, nominally comprising lead-acid accumulators and accumulators and objects of a different type, are subject to an X-ray scan. If an analysis of the X-ray scan indicates that an object is not a lead-acid accumulator, and in particular is a lithium-ion battery or accumulator, it is deviated out of the treatment workflow, that comprises grinding the objects and separating lead from other materials.
The present invention relates to a method for recovering metal zinc from a solid metallurgical waste containing zinc and manganese, comprising the steps of: a. bringing said solid metallurgical waste into contact with an aqueous leaching solution comprising chloride ions and ammonium ions to produce at least one leachate comprising zinc ions and manganese ions and at least one insoluble solid residue; b. cementing said leachate, by adding metal zinc as a precipitating agent, to eliminate at least one metal other than zinc and manganese possibly present in said leachate in form of ions and producing a purified leachate; c. subjecting said purified leachate to electrolysis in an electrolytic cell comprising at least one cathode and at least one anode immersed in said purified leachate to deposit metal zinc on said cathode and producing at least one exhausted leachate; said method comprising, before said electrolysis, a step of precipitating manganese ions by oxidation with permanganate ions and subsequent separation of a precipitate comprising MnO2.
C22B 3/14 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines contenant de l'ammoniaque ou des sels d'ammonium
C22B 3/46 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques par substitution, p. ex. par cémentation
C25C 1/16 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions du zinc, du cadmium ou du mercure
26.
PROCESS FOR THE RECOVERY OF ELEMENTAL SULPHUR FROM RESIDUES PRODUCED IN HYDROMETALLURGICAL PROCESSES
The present invention relates to a process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes based on leaching with a solution of sodium sulphide in which the sulphur contained in the residues is selectively leached as sodium polysulphide. The sulphur leaching solution is conveniently regenerated and recycled to the process.
