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  • patented for thermal phosphate recovery process

    Closed phosphorus cycle including a recovery process (modified from Centre Europeen chemical technology and two thermal techniques are working at full scale. patented process (2010) to recover phosphate from liquid swine manure.

    Patented For Thermal Phosphate Recovery Process

    patented for thermal phosphate recovery process. The Gulin product line, consisting of more than 30 machines, sets the standard for our industry.

    US5688404A Phosphate recovery processes Google Patents

    This invention relates to phosphate recovery processes in which a phosphate feed is separated in one or more primary separation stages into an enriched fraction, containing the phosphate values,...

    US Patent for Method for recovery of phosphate Patent

    19-05-2017· The present invention provides a method for recovery of phosphate, in the form of magnesium ammonium phosphate (MAP), from a process for treating a biomass material which process comprises a digestion step performed in a digestion tank and includes a pre-treatment step employing a thermal hydrolysis, characterized in that a magnesium source is added to the material in the process flow before said flow enters the digestion tank, and phosphate is recovered

    CN201942519U Thermal energy recovery and utilization

    In order to solve the problem of the thermal energy recovery and utilization in the thermal phosphoric acid production, the device provides a new method that the yellow phosphorus automatically...

    Phosphate recovery process Patent US-3204877-A PubChem

    US-3204877-A chemical patent summary.

    patented for thermal phosphate recovery process

    (PDF) Global Phosphorus Scarcity and Full Scale P Recovery Closed phosphorus cycle including a recovery process (modified from Centre Europeen chemical technology and two thermal techniques are working at full scale. patented process (2010) to recover phosphate from liquid swine manure.

    US9061221B2 Phosphate recovery from sludge

    A process for recovering reusable materials, in particular phosphate, from sewage sludge products, namely sewage sludge, sewage sludge ash or sewage sludge slag, by extraction, in which a suspension of the sewage sludge product is produced in water, alcohol, water-alcohol mixture or an aqueous solution, gaseous carbon dioxide (CO 2 ) or supercritical carbon dioxide (scCO 2 ) is introduced as

    Phosphate recovery process Patent US-3204877-A

    US-3204877-A chemical patent summary.

    Phosphorus recovery // REMONDIS Sustainability

    Patented pioneering processes for recovering phosphorus Phosphorus is found as phosphate in sewage sludge, the residual material left over from wastewater treatment. Up until just recently, farmers had spread this sewage sludge on their fields as a fertiliser to

    Thermal treatment of sewage sludge and phosphorus

    Our patented process for phosphorus recovery consists in a wet chemical leaching step with an integrated acid recovery and the selective separation of phosphoric acid. The raw phosphoric acid is filtered out from the undissolved ash particles. Customised qualities of phosphoric acid are obtainable. The yield of phosphorus recovery is about 60

    JDCPhosphate to Commercialize Its Phosphoric Acid

    This patented technology uses a carbo-thermal reduction and oxidation process to recover phosphate from low-quality phosphate sources, including previously processed mine tailings. The process avoids direct acidulation of phosphate rock, minimizing the amount of waste and completely avoiding phosphogypsum production.

    PARFORCE an innovative phosphorus-recovery

    PARFORCE an innovative phosphorus-recovery process. In line with the federal German government‘s sustainability strategy, and in view of the 2017 amendment to the Sewage Sludge Ordinance, new importance now attaches to the recycling of phosphorus-containing waste and, above all, to sewage-treatment sludges and sewage sludge ash.

    A review of phosphorus recovery from different thermal

    02-09-2019· Phosphorus (P) is an indispensable element of living organisms and plays an irreplaceable role in the growth of crops. As a non-renewable element, the reserves of phosphorus rock, the primary source of phosphorus in nature, are facing the danger of exhaustion. As a phosphorus-rich solid waste, sewage sludge has gradually become a main renewable phosphorus resource.

    US Patent for Processes and equipment for production of

    New processes and equipment are disclosed for producing elemental phosphorus and thermal phosphoric acid. Benefits are listed below.1. Phosphorus-containing solids are recycled to smelting furnaces thus eliminating hazardous waste generation.2. Phosphorus furnace feedstock is upgraded and this permits unbeneficiated phosphate ore to be smelted.3.

    Evaluation method for thermal processing of

    01-11-2006· The evaluation system has been used to study retrofits for waste heat recovery in the conventional two-step method. 4.1. Process driving force. The thermal processing includes three essential processes: phosphorus oxidization, gaseous product cooling and phosphorus oxide vapor (P 4 O 10) hydration.

    patented for thermal phosphate recovery process

    (PDF) Global Phosphorus Scarcity and Full Scale P Recovery Closed phosphorus cycle including a recovery process (modified from Centre Europeen chemical technology and two thermal techniques are working at full scale. patented process (2010) to recover phosphate from liquid swine manure.

    Phosphate recovery process Patent US-3204877-A

    US-3204877-A chemical patent summary.

    Thermal treatment of sewage sludge and phosphorus

    Our patented process for phosphorus recovery consists in a wet chemical leaching step with an integrated acid recovery and the selective separation of phosphoric acid. The raw phosphoric acid is filtered out from the undissolved ash particles. Customised qualities of phosphoric acid are obtainable. The yield of phosphorus recovery is about 60

    JDCPhosphate Moves to Commercialize its Improved

    08-04-2019· This patented technology uses a carbo-thermal reduction and oxidation process to recover phosphate from low-quality phosphate sources, including previously processed mine tailings.

    Energy and Phosphorus Recovery from Municipal Sludge

    Phosphorus Recovery 03 Process Energy & Phosphorus Recovery from Municipal Sludge and sophisticated combustion technology is at the heart of our patented system. thermal oxidation to recover the thermal energy in the sludge and use the energy

    JDCPhosphate to Commercialize Its Phosphoric Acid

    This patented technology uses a carbo-thermal reduction and oxidation process to recover phosphate from low-quality phosphate sources, including previously processed mine tailings. The process avoids direct acidulation of phosphate rock, minimizing the amount of waste and completely avoiding phosphogypsum production.

    RecoPhos Recovery of Phosphorus

    24-02-2015· Recovery of Phosphorus from Sewage Sludge and Sewage Sludge Ashes with the thermo-reductive RecoPhos Process. Phosphorus is a key natural resource for agriculture and other industry sectors but natural phosphate sources are getting scarce. The RecoPhos project is aimed at recovering this valuable resource from sewage sludge ash using a

    Evaluation method for thermal processing of

    01-11-2006· The evaluation system has been used to study retrofits for waste heat recovery in the conventional two-step method. 4.1. Process driving force. The thermal processing includes three essential processes: phosphorus oxidization, gaseous product cooling and phosphorus oxide vapor (P 4 O 10) hydration.

    Characteristic of wet method of phosphorus recovery

    01-01-2016· Thermal utilization of sewage sludge and ash origin play a key role for final ash properties introduced to the recovery process. The technologies for phosphorus recovery from SSA must take into account the industrial procedures of sewage treatment plants in Poland, where phosphorus is removed during biological or chemical treatment with iron or aluminium salts.

    Processing of a rare earth phosphate concentrate

    01-11-2019· The total REE recovery in the case of processing REE concentrate I by thermal treatment, by the REE double sulphate and by the hydroxide route, and after dissolution of the respective phases in nitric acid at pH ~ 1.5, were ~ 10%, 13% and 83% respectively.

    Thermal treatment of sewage sludge and phosphorus

    Our patented process for phosphorus recovery consists in a wet chemical leaching step with an integrated acid recovery and the selective separation of phosphoric acid. The raw phosphoric acid is filtered out from the undissolved ash particles. Customised qualities of phosphoric acid are obtainable. The yield of phosphorus recovery is about 60

    JDCPhosphate Moves to Commercialize its Improved

    08-04-2019· This patented technology uses a carbo-thermal reduction and oxidation process to recover phosphate from low-quality phosphate sources, including previously processed mine tailings.

    JDCPhosphate to Commercialize Its Phosphoric Acid

    This patented technology uses a carbo-thermal reduction and oxidation process to recover phosphate from low-quality phosphate sources, including previously processed mine tailings. The process avoids direct acidulation of phosphate rock, minimizing the amount of waste and completely avoiding phosphogypsum production.

    PAKU Technology by Endev Thermal treatment of sludge and

    phosphorus recovery process 14.6.2018. LUT Lappeenranta University of T echnology 20.6.2018 •The Endev team has over 100 years of combined experience in developing thermal processes for drying and combusting in energy and environmental applications •The PAKU technology is a patented wastewater sludge

    Recovering phosphorus No phosphorus means no life

    Sustainable phosphorus recovery systems are energy and minerals. Thanks to a process patented by REMONDIS, the company is now able to recover many different types of marketable recycled raw materials and energy from sewage sludge. During the first stage of the process, the sewage sludge undergoes thermal treatment. Phosphorus is a finite

    PROCESS FOR THE RECOVERY OF PHOSPHATE FROM

    08-11-2001· There is disclosed a wet process for the recovery of phosphate from phosphate rock which comprises leaching finely divided particles of phosphate rock with a protic acid at a temperature and for a time that favours dissolution, into a leachate, of the phosphate in relation to an impurity, and, isolating the leachate.

    Comprehensive Recovery and Sustainable Development of

    phosphorus fertilizer production was made possible by the 1842 patented technology by John Bennet Lawes of Rothamsted for manufacturing superphosphate fertilizer [2]. The initial patent covers superphosphate fertilizer production by acidulating bones with sulfuric acid, which was expanded in 1848 to include sulfuric acid treatment of phosphate ore.

    Characteristic of wet method of phosphorus recovery

    01-01-2016· Thermal utilization of sewage sludge and ash origin play a key role for final ash properties introduced to the recovery process. The technologies for phosphorus recovery from SSA must take into account the industrial procedures of sewage treatment plants in Poland, where phosphorus is removed during biological or chemical treatment with iron or aluminium salts.

    Phosphoric Acid and phosphate-based products

    VICHEM’s patented wet process for the production of merchant grade phosphoric acid In the context of the diminishing availability of high-quality phosphate rock, and of its increasing price, VICHEM has developed and patented a process which provides a significant improvement on the attack process on phosphate rock by

    Phosphorus Removal and Recovery from Digestate after

    30-09-2015· However, the phosphorus removal from the manure is economically challenging because the end products of phosphorus recovery do not justify the cost of the removal process. It is beneficial to combine the AD process with the phosphorus removal and recovery so that the overall techno-economic feasibility of the process can be significantly improved.

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