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mobile limestone Crusher for hire South Africa

US8968689B2 - Method for recovering ... - Google Patents

A method is disclosed for treating residues from biodiesel production for the isolation of highly pure potassium sulphate from potassium sulphate-containing sludge. First, potassium sulphate-containing sludge from biodiesel production is heated in the first stage under non-oxidizing conditions to a material temperature between 400 and 700° C.; in a second stage the product from the first ...

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US4242129A - Method of recovering metals - Google Patents

The leaching, precipitation and flotation method of recovering metals from ores is simplified by carrying out the leaching and precipitation steps simultaneously in the same reaction vessel. The method is particularly useful for recovering metals from low grade ores. During the leaching and precipitation step, mechanical comminution of the ore is also effected.

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US7799114B2 - Method for recovering gold - Google Patents

The invention relates to a method for recovering gold in connection with the hydrometallurgical production of copper from a waste or intermediate product containing sulphur and iron that is generated in the leaching of the copper raw material. The recovery of both copper and gold occurs in a chloride environment. The gold contained in the waste or intermediate is leached by means of divalent ...

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US6060527A - Method of recovering resin - Google Patents

A process for recovering the resin contained in optical information recording media having either a thin metal film layer or a printed coating film layer, coated on at least one side of a resin substrate, which comprises the following steps of: (1) rolling the recording media, (2) bringing the rolled recording media into contact with hot water, (3) separating the coating film peeled from the ...

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US Patent for Method for recovering gold Patent (Patent ...

09-02-2007  The invention relates to a method for recovering gold in connection with the hydrometallurgical production of copper from a waste or intermediate product containing sulphur and iron that is generated in the leaching of the copper raw material. The recovery of both copper and gold occurs in a chloride environment. The gold contained in the waste or intermediate is leached by means of

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US Patent for Method for recovering catalyst Patent ...

A method for recovering a catalyst, wherein a solution containing a reaction mixture obtained by performing a hydrogenation reaction in a presence of a catalyst containing a platinum group metal is brought into contact with a fiber membrane having a group containing an amino group or a thiol group on a surface, thereby recovering the platinum group metal included in the solution is provided.

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METHOD OF RECOVERING DNA - Patent - Europe PMC

Patent: Publ. of Application with search report - European Patent Office. ... The method for DNA recovery comprises a first PCR step for carrying out a PCR reaction on the group of cDNA fragments each having a first adaptor sequence on one end and a second adaptor sequence on the other end, ...

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US Patent for Method for recovering catalyst Patent ...

A method for recovering a catalyst, wherein a solution containing a reaction mixture obtained by performing a hydrogenation reaction in a presence of a catalyst containing a platinum group metal is brought into contact with a fiber membrane having a group containing an amino group or a thiol group on a surface, thereby recovering the platinum group metal included in the solution is provided.

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US Patent for Method for recovering gold Patent (Patent ...

09-02-2007  The invention relates to a method for recovering gold in connection with the hydrometallurgical production of copper from a waste or intermediate product containing sulphur and iron that is generated in the leaching of the copper raw material. The recovery of both copper and gold occurs in a chloride environment. The gold contained in the waste or intermediate is leached by means of

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US Patent Application for METHOD AND APPARATUS OF ...

The present disclosure relates to a method of recovering an image from which a motion blur is removed and an image recovering apparatus and the image recovering apparatus according to an exemplary embodiment of the present disclosure includes a signal generator which receives at least one of illuminance information and speed information from a sensor to determine a random flickering pattern ...

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Method for recovering hydrocarbons (Patent) OSTI.GOV

Abstract. A two-step method is given for recovering hydrocarbons from a subterranean formation. In-situ combustion is first initiated in the formation by injection of air, for example, through an injection well, the injection of air is terminated and in a final step a fluid which is preferably water containing a small amount of a sulfonated interfacial tension reducer is injected into the ...

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METHOD OF RECOVERING FLUOROCHEMICAL SURFACTANT - Patent

08-08-2001  Patent: Publ. of Application with search report - European Patent Office. Application: EP20010955584 on 2001-08-08. Publication: 2003-07-02. ... there is provided a method for recovering the fluorochemical surfactant from the aqueous solution containing the surfactant.

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IMPROVED METHOD FOR RECOVERING PHOSPHORUS FROM SLUDGE AND ...

Plant for recovering phosphorus from sludge to be treated according to a method according to claim 16, wherein said plant includes: a contact chamber and means for injecting acid into the sludge to be treated, a sludge reactor adapted for bio-acidification with a hydraulic retention time comprised between 1 day to 8 days, means of solid/liquid separation, and means of phosphorus recovery ...

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METHOD FOR RECOVERING BIOTIN - Patent - Europe PMC

04-01-1993  Patent: Publ.of the Int.Appl. with Int.search report - World Intellectual Property Organization. Application: WO1993US00049 on 1993-01-04. ... particularly toward recovering biotin produced by biotin-producing microorganisms. The recovery method includes adsorbing biotin from a biotin-containing medium onto an anion exchange resin, ...

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US Patent for Apparatus and method for recovering fluids ...

Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing branch of a tree. Some embodiments allow diversion of fluids out of a tree to a subsea processing apparatus followed by the return of ...

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US Patent Application for Methods of Recovering Scandium ...

Justia Patents Ion Exchanging Or Liquid-liquid Extracting US Patent Application for Methods of Recovering Scandium from Titanium Residue Streams Patent Application (Application #20140193317) Methods of Recovering Scandium from Titanium Residue Streams . Jan 9, 2014 - ...

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METHOD FOR RECOVERING BIOTIN - Patent - Europe PMC

04-01-1993  Patent: Publ.of the Int.Appl. with Int.search report - World Intellectual Property Organization. Application: WO1993US00049 on 1993-01-04. ... particularly toward recovering biotin produced by biotin-producing microorganisms. The recovery method includes adsorbing biotin from a biotin-containing medium onto an anion exchange resin, ...

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METHOD OF RECOVERING FLUOROCHEMICAL SURFACTANT - Patent

08-08-2001  Patent: Publ. of Application with search report - European Patent Office. Application: EP20010955584 on 2001-08-08. Publication: 2003-07-02. ... there is provided a method for recovering the fluorochemical surfactant from the aqueous solution containing the surfactant.

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METHOD FOR RECOVERING MUTANT CELLS - Patent - Europe

Method for recovering mutant cells which produce a substance in a quantifiably reduced amount relative to wild type cells, and the mutant cells so recovered. The method involves contacting the mutant cells under suitable conditions with a suitable amount of an appropriate detectable compound capable of binding to the substance when it is ...

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METHOD FOR RECOVERING CYCLOHEXANONE OXIME - Patent ...

26-03-2008  A method for recovering cyclohexanone oxime comprises the steps of evaporating liquid cyclohexanone oxime by heating to obtain the cyclohexanone oxime gas distilling the residue at a pressure lower than that the evaporation pressure by heating and recovering the cyclohexanone contained in the residue.

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IMPROVED METHOD FOR RECOVERING PHOSPHORUS FROM SLUDGE AND ...

Plant for recovering phosphorus from sludge to be treated according to a method according to claim 16, wherein said plant includes: a contact chamber and means for injecting acid into the sludge to be treated, a sludge reactor adapted for bio-acidification with a hydraulic retention time comprised between 1 day to 8 days, means of solid/liquid separation, and means of phosphorus recovery ...

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System, and Associated Method, for Recovering Water From ...

22-11-2014  A system for recovering water from air includes a skirt supported by legs and at least one interior wall suspended from the skirt. At least one exterior wall extends from an accumulator and is spaced apart from and substantially parallel to the at least one interior wall, thereby defining a flow channel between the at least one interior wall and the at least one exterior wall.

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System and method for recovering refrigerant - Bosch ...

System and method for recovering refrigerant . United States Patent 9732999 . Abstract: A refrigerant recovery system includes a first oil separator including a chamber configured to receive refrigerant from an air conditioning system, a heat exchanger disposed ...

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System and Method for Testing for COVID-19 - Patent US ...

13-10-2015  A method is provided for acquiring and transmitting biometric data (e.g., vital signs) of a user, where the data is analyzed to determine whether the

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Techniques for Collecting and Analyzing Fingerprints ...

20-06-2013  Patent prints are easy to locate since they are visible to the naked eye. ... See Feldman, Meloan, Lambert, A New Method for Recovering Latent Fingerprints from Skin, 27 J. Forensic Sci. 806 (1982). For more information about current techniques used to identify fingerprints on human skin, ...

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CytoDyn granted US patent for methods of treating ...

06-07-2021  CytoDyn Inc (OTCQB:CYDY) CEO Nader Pourhassan tells Proactive that the group's flagship drug candidate, leronlimab, has been granted US Patent No. 11,045,546...

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