Abstract

The present invention relates to a plant and to a process for producing a solid-state alkali metal cyanide product. In order to obtain a solid-state alkali metal cyanide product that has a good proportion by weight of alkali metal hydroxide, and in order to ensure that it remains as calm as possible in the plant during operation, it is proposed that the proportion by weight of alkali metal hydroxide in a suspension withdrawn from the crystallization vessel and sent to a solid-liquid separation device be increased before it enters the solid-liquid separation device.

IPC Classes  ?

• C01C 3/10 - Simple alkali metal cyanides

Abstract

The invention relates to a water-soluble receptacle which is suitable for accommodating an additive or an additive composition and is filled with an additive or an additive composition comprising at least one dye or at least one dye composition, wherein the water-soluble receptacle has a wall thickness in the range from 5 to 50 µm, and wherein the water-soluble receptacle comprises a water-soluble polymer composition or consists of a water-soluble polymer composition, wherein the polymer composition comprises: a) at least one polyvinyl alcohol copolymer P1 having a degree of hydrolysis in the range from 75 to 95 mol%, wherein the polyvinyl alcohol copolymer P1 is a copolymer which comprises vinyl alcohol repeating units, vinyl ester repeating units and repeating units of at least one comonomer, wherein the at least one comonomer is selected from pentaerythritol acrylate and pentaerythritol acrylate derivatives and also optionally acrylic acid; and/or b) at least one polyvinyl alcohol P2 having a degree of hydrolysis in the range from 87 to 95 mol%; wherein, in addition to the at least one polyvinyl alcohol copolymer P1 and/or the at least one polyvinyl alcohol P2, the polymer composition can additionally optionally contain additive substances; wherein the polymer composition, in the case in which it comprises at least one polyvinyl alcohol copolymer P1 and no polyvinyl alcohol P2, has a content of repeating units of the at least one comonomer in a range from in total 10% to 20% by weight, based on the total weight of polyvinyl alcohol copolymer P1; and wherein the polymer composition, in the case in which it comprises at least one polyvinyl alcohol copolymer P1 and at least one polyvinyl alcohol P2, has a content of repeating units of the at least one comonomer in a range from in total 10% to 20% by weight, based on the total weight of polyvinyl alcohol copolymer P1 and polyvinyl alcohol P2. The water-soluble receptacle can advantageously be used in a method for producing a coloured aqueous alkali metal cyanide solution. To this end, the water-soluble receptacle can be provided together with an alkali metal cyanide compound in the form of a composition Z1. The invention also relates to a method for producing said composition Z1 and to the use of said composition for producing a coloured aqueous alkali metal cyanide solution (composition Z2).

IPC Classes  ?

• C09B 67/02 - Dyestuff preparations characterised by special physical forms, e.g. tablets, films
• C08F 216/06 - Polyvinyl alcohol
• B65D 65/46 - Applications of disintegrable, dissolvable or edible materials

Abstract

The invention relates to a water soluble container which is suitable for receiving an additive substance or a additive substance composition and is filled with an additive substance or an additive substance composition comprising at least one dye or at least one dye composition, wherein the water soluble container has a wall thickness in the range from 5 to 50 pm, and wherein the water soluble container comprises a water soluble polymer composition or consists of a water soluble polymer composition, which comprises: ? a) at least one polyvinyl alcohol copolymer Pl having a degree of hydrolysis in the range from 75 to 95 Mol%, and/or ? b) at least one polyvinyl alcohol P2 having a degree of hydrolysis in the range from 87 to 95 Mol%.

IPC Classes  ?

• C08F 216/06 - Polyvinyl alcohol
• C09B 67/02 - Dyestuff preparations characterised by special physical forms, e.g. tablets, films
• E21C 41/26 - Methods of surface miningLayouts therefor

Abstract

The invention relates to a water soluble container which is suitable for receiving an additive substance or a additive substance composition and is filled with an additive substance or an additive substance composition comprising at least one dye or at least one dye composition, wherein the water soluble container has a wall thickness in the range from 5 to 50 pm, and wherein the water soluble container comprises a water soluble polymer composition or consists of a water soluble polymer composition, which comprises: • a) at least one polyvinyl alcohol copolymer Pl having a degree of hydrolysis in the range from 75 to 95 Mol%, and/or • b) at least one polyvinyl alcohol P2 having a degree of hydrolysis in the range from 87 to 95 Mol%.

IPC Classes  ?

• C08F 216/06 - Polyvinyl alcohol
• C09B 67/02 - Dyestuff preparations characterised by special physical forms, e.g. tablets, films
• E21C 41/26 - Methods of surface miningLayouts therefor
• C08J 5/18 - Manufacture of films or sheets

Goods & Services

Computer software; computer gaming software; virtual and augmented reality software; artificial intelligence and machine learning software; software for monitoring, controlling and running physical world operations; web application and server software; content management software; e-commerce and e-payment software; system and system support software, and firmware; operating systems; firmware and device drivers; utility, security and cryptography software; application server software; media and publishing software; communication and networking software; office and business applications; data and file management and database software; information technology and audio-visual, multimedia and photographic devices; communications equipment; computer networking and data communications equipment; point-to-point communications equipment; broadcasting equipment; antennas and aerials as communications apparatus; data storage devices and media; replicating apparatus; photocopiers; image scanners; printers; data processing equipment and accessories (electrical and mechanical); calculators. Software development, programming and implementation; computer hardware development; hosting services and software as a service and rental of software; hosting services, software as a service, and rental of software; hosting, software as a service (SaaS) and rental of computer software; rental of computer hardware and facilities; data duplication and conversion services, data coding services; IT consultancy, advisory and information services; IT security services in the nature of protection and recovery of computer data; medical and pharmacological research services; engineering services; surveying and exploration services; architectural and urban planning services; rental of science and technology equipment; natural science services; earth science services; design services; testing, authentication and quality control; consulting services on the environmental protection aspects of the optimisation of cyanide leaching of ores, providing technical processes for leaching and detoxification.

Abstract

The invention relates to a process for the preparation of alkali metal cyanides as a solid substance, comprising the steps of: i) an absorption step in the form of an absorption of hydrogen cyanide from a hydrogen cyanide-containing synthesis gas in an aqueous alkali metal hydroxide solution; ii) a crystallization step in the form of introducing said alkali metal cyanide solution into an evaporative crystallizer; iii) a separation step; iv) a recycle step; v) a drying step.

IPC Classes  ?

• C01C 3/10 - Simple alkali metal cyanides
• C01C 3/02 - Preparation of hydrogen cyanide
• B01D 21/26 - Separation of sediment aided by centrifugal force
• B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
• B01D 53/96 - Regeneration, reactivation or recycling of reactants
• B01D 9/00 - Crystallisation

Goods & Services

Downloadable computer software for optimization of process conditions in chemical and mining processes; Downloadable virtual reality and augmented reality software for optimization of process conditions in chemical and mining processes; Downloadable artificial intelligence and machine learning software, namely, downloadable computer programs using artificial intelligence for machine learning and chemical analysis; Downloadable software for optimization of process conditions in chemical and mining processes; Web application and server software, namely, downloadable computer software platforms for web hosting; Content management software, namely, downloadable computer software platforms for optimization of process conditions in chemical and mining processes; Downloadable computer software, namely, for optimization of process conditions in chemical and mining processes, and for providing supporting information about cyanide and related chemicals; Application server software, namely, downloadable computer software for controlling and managing access server applications Data duplication and conversion services of electronic information for others, namely, electronic data storage and cloud storage services for electronic data; IT consultancy, advisory and information services, namely, data mining; Software as a service (SAAS) services featuring software using artificial intelligence for data mining and machine learning; providing temporary use of non-downloadable software for changing control systems, alarm systems and integrating into production environments; software as a service featuring software for accumulating and processing customer data to predict and improve process parameters and rental of computer software; Software as a service (SaaS) featuring software for accumulating and processing customer data to predict and improve process parameters; Software as a service (SaaS) featuring software for analyzing customer information and providing predictive modeling and analytics for improved processes; Software as a service (SaaS) services featuring software for database management, data preparation and data optimization; Software as a service (SaaS) services featuring software for database management, analytics and predictive modeling in the cyanide, chemical, mining, metal surface treatment, chemical intermediates and pharmaceutical industries; Software as a service (SaaS) services delivered on-demand or via cloud-based offering, featuring software for searching, monitoring, troubleshooting, providing operational intelligence and business analytics of client data; Software as a service (SaaS) services delivered, on-demand or via cloud-based offering featuring software for accessing the results of client data; Information technology (IT) consultancy, advisory and information services; Consulting services relating to research on the environmental protection aspects of the optimization of cyanide leaching of ores; providing technical processes for scientific research relating to leaching and detoxification; Providing technical processes for scientific research relating to leaching and detoxification for purposes of mitigating environmental impacts; Advisory services in the field of product development and quality improvement of software that contain algorithms for processes and quality improvements; computer software consulting

Goods & Services

(1) Computer software; computer gaming software; virtual and augmented reality software; artificial intelligence and machine learning software; software for monitoring, controlling and running physical world operations; web application and server software; content management software; E-commerce and E-payment software; system and system support software, and firmware; operating systems; firmware and device drivers; utility, security and cryptography software; application server software; media and publishing software; communication and networking software; office and business applications; data and file management and database software; information technology and audio-visual, multimedia and photographic devices; communications equipment; computer networking and data communications equipment; point-to-point communications equipment; broadcasting equipment; antennas and aerials as communications apparatus; data storage devices and media; replicating apparatus; photocopiers; image scanners; printers; data processing equipment and accessories (electrical and mechanical); calculators (1) Software development, programming and implementation; computer hardware development; hosting services and software as a service and rental of software; hosting services, software as a service, and rental of software; hosting, software as a service (SAAS) and rental of computer software; rental of computer hardware and facilities; data duplication and conversion services, data coding services; IT consultancy, advisory and information services; IT security, protection and restoration; medical and pharmacological research services; engineering services; surveying and exploration services; architectural and urban planning services; rental of science and technology equipment; natural science services; earth science services; design services; testing, authentication and quality control; consulting services on the environmental protection aspects of the optimisation of cyanide leaching of ores, providing technical processes for leaching and detoxification

Abstract

The invention relates to a method for producing alkali metal cyanides as solids, comprising the steps: i) an absorption step in the form of the absorption of hydrogen cyanide from a syngas containing hydrogen cyanide in an aqueous alkali metal hydroxide solution; ii) a preparation step for the waste gases containing cyanide that have accumulated in step i); iii) a crystallization step in the form of the introduction of the alkali metal cyanide solution into an evaporative crystallizer; iv) a condensation step for the vapour containing cyanide that has accumulated in step iii) to obtain a vapour condensate containing cyanide; v) a recirculation step, in which the vapour condensate containing cyanide that has been obtained in step iv) is used as an aqueous liquid in step ii).

IPC Classes  ?

• C01C 3/10 - Simple alkali metal cyanides
• F23G 7/06 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases

Abstract

The invention provides an assay for identifying a bacterium capable of binding elemental heavy metal, comprising the following steps: cultivating a test bacterium in a suitable first culture medium; immersing at least a surface portion of a test tool into the first culture medium for a second predetermined period of time, said surface portion being coated by elemental heavy metal, respectively; removing said test tool from said first culture medium and optionally rinsing the test tool; contacting a second culture medium with the surface portion coated by elemental heavy metal of said test tool removed in the previous step; and identifying the test bacterium as being capable of binding elemental heavy metal from growth of the test bacterium in said second culture medium.

IPC Classes  ?

• C22B 3/24 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means by adsorption on solid substances, e.g. by extraction with solid resins
• C22B 11/00 - Obtaining noble metals
• C12N 1/20 - BacteriaCulture media therefor
• C12N 1/22 - Processes using, or culture media containing, cellulose or hydrolysates thereof
• C12N 1/34 - Processes using foam culture
• C22B 3/18 - Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae

Abstract

The invention provides a process of isolating or enriching a heavy metal present in a suspension containing a particulate mineral ore containing a heavy metal, comprising the following steps: incubating a suspension containing (i) a particulate mineral ore containing a heavy metal and (ii) biomass comprising a bacterium capable of binding the heavy metal; separating the biomass having bound heavy metal from the suspension of the previous step; and isolating the heavy metal from the biomass separated in the previous step.

IPC Classes  ?

• C22B 3/18 - Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
• C22B 3/24 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means by adsorption on solid substances, e.g. by extraction with solid resins
• C12N 1/20 - BacteriaCulture media therefor
• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes

Abstract

There is provided a process of isolating or enriching a heavy metal present in a suspension containing a particulate mineral ore containing the heavy metal, the process comprising: incubating a suspension containing (i) the particulate mineral ore containing the heavy metal, and (ii) biomass comprising a bacterium capable of binding the heavy metal; separating the biomass bound with the heavy metal from the suspension of the previous step; and isolating the heavy metal from the separated biomass. In the process, the heavy metal is gold and/or silver, the bacterium is selected from the following genera and species: Pseudochrobactrum, Bacillus subtilis, Bacillus pumilus, Stenotrophomonas, Bacillus cereus, Pseudomonas aeruginosa, and combinations thereof, and the biomass comprises at least 70% (w/w) of dead bacterial cells.

IPC Classes  ?

• C22B 3/18 - Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
• C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
• C22B 11/00 - Obtaining noble metals

Abstract

There is provided an assay for identifying a bacterium capable of binding elemental heavy metal, comprising: cultivating test population of bacteria in a suitable first culture medium, said first culture medium contained in a container; immersing at least a surface portion of a test tuul ir itu LFii lust uulLui i i i iFUiuii i lui i SeuinIU pi et.luteilliiriuU pei iuU ul Liiiie,sdiU ui ldte pui Liu! hr4ing coated by the elemental heavy metal, respectively: removing said test tool from said first culture medium and optionally rinsing the test tool; contacting a second culture medium with the auricle. portion coated by the elemental heavy metal of oaid teat tool removed in the previouo step: and identifying a test bacterium from the test population of bacteria as being capable of binding fle elemernai neavy melai from growm or Ine lest oacIenurn in said second cutture medium.

IPC Classes  ?

• C22B 3/18 - Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
• C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
• C22B 11/00 - Obtaining noble metals
• C22B 59/00 - Obtaining rare earth metals

Goods & Services

Chemical products for industrial use, in particular cyanides to be delivered in all forms. Providing of business information in the Internet. Technical client consulting on application of cyanides, particularly about providing technical processes for leaching and detoxification.

Goods & Services

[ Chemicals for use in the manufacture of a wide variety of goods; industrial chemicals, namely, cyanides for use in the leaching of ores ] Consulting services in the fields of leaching of ores with cyanides and detoxification of cyanides; providing information via the internet about the use of chemicals in manufacturing

Goods & Services

(1) Chemical products for industrial use, in particular cyanides in all delivery forms. (1) Providing of information about the marketing of chemicals via Internet; client consulting on application of cyanides, providing technical processes for leaching and detoxification.

Goods & Services

CHEMICALS PRODUCTS FOR INDUSTRIAL USE, NAMELY, CYANIDES IN THE FORM OF LIQUIDS, GRANULES, POWDER AND BRIQUETTES CLIENT CONSULTING ON APPLICATION OF CYANIDES, PROVIDING TECHNICAL PROCESSES FOR LEACHING AND DETOXIFICATION; PROVIDING INFORMATION REGARDING THE HANDLING AND APPLICATION OF CHEMICAL PRODUCTS FOR INDUSTRIAL USE

Goods & Services

Chemical products for industrial use, especially for cyanides in all forms. Consulting for the application of cyanides, provision of technical processes for leaching and decontamination.

Goods & Services

(1) Chemical products for industrial use, in particular cyanides in all delivery forms. (1) Client consulting on application of cyanides, providing technical processes for leaching and detoxification.

Goods & Services

chemical products for industrial use, in particular cyanides in the form of granules, powder and briquettes client consulting services on the application of cyanides and providing technical processes for leaching and detoxification of cyanide

Goods & Services

Chemical products for industrial use, in particular cyanides in all delivery forms. Client consulting on application of cyanides, providing technical processes for leaching and detoxification.