patented for thermal phosphate recovery process


lithium australia advances patents for proprietary lithium

jan 14, 2020· lithium australia’s patent applications include its technology for recovering lithium phosphate and lithium sulphate from a lithium-bearing solution such as brine or pregnant process liquor. this unit process also has a direct application to liena®.

performance of nine technologies for phosphorus recovery

performance of nine technologies for phosphorus recovery from wastewater overview from the european p-rex project ing et anders nättorp, jan stemann fhnw, university of applied sciences and arts northwestern switzerland christian remy, christian kabbe kwb, berlin centre of competence for water verena wilken, iasp

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.

optimization of thermal beneficiation of a low grade

in this; work of thermal beneficiation of a low grade dolomitic phosphate rock, it is possible to obtain a phosphate product of p205% by up to 29-32% corresponding to a increase of up to 80-84% in the pzos recovery, depending on the conditions of the heating as well as the nature and size of the phosphate used for the heating process.

us patent for extended thermal stage sulfur recovery

justia patents us patent for extended thermal stage sulfur recovery process patent (patent # 10,508,034) extended thermal stage sulfur recovery process . jan 25, 2019 saudi arabian oil company. a process for recovering sulfur in a sulfur recovery unit comprising the steps of reacting hydrogen sulfide and oxygen in the reaction furnace at a

beneficiation of saudi phosphate ores by column flotation

due to all these advantages, column flotation is applied in the present work for beneficiation of saudi phosphate ores. al-jalamid area is one of the promising phosphate deposits in saudi arabia. the physical analysis carried out on this ore revealed that the mineralogical composition is mainly flouroapatite and calcite with small quartz content.

lithium australia to patent lithium recovery processes

jan 15, 2020· lithium australia has had two of its patent applications published by the international bureau of the world intellectual property organisation. the patent applications concern the recovery of lithium phosphate from lithium-bearing silicates and solutions. according to the company, it has developed innovative processes for this recovery.

recovery rate phosphate beneficiation process jun

recovery rate phosphate beneficiation process jun broken ankle (recovery time) sports injury tips, prevention, treatments, and information. aug 01, 2014 hopeful words for broken ankles new by: anonymous i broke my

us patent for method for recovery of phosphate patent

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

nitrogen and phosphorus recovery from wastewater

aug 20, 2015· on the other hand, phosphorus, a non-renewable resource, faces a serious risk of depletion. therefore, recovery and reuse of nitrogen and phosphorus is highly desirable. for nitrogen recovery, an ion exchange/adsorption-based process provides concentrated streams of

physical and thermal treatment of phosphate ores — an

5.1. energy consumption in thermal treatment of phosphate ores. the amount of energy for mining and physical beneficiation of phosphate ores to produce one ton of commercial rock phosphate (32% p 2 o 5) is approximately 0.9 gj/ton of rock phosphate (about 2.9 gj/ton p 2 o 5).

us patent for process for the manufacture of potassium

justia patents forming insoluble substance in liquid us patent for process for the the above process is preferable to the previously described thermal process in that the normally required step of production and concentration of phosphoric acid is obviated, and in that the reaction producing the desired mono-potassium phosphate occurs at a

innovative process for the recovery of phosphorus from

jul 07, 2016· innovative process for the recovery of phosphorus from sewage sludge background as essential component of all living beings and plants, phosphorus cannot be replaced by any other substances. phosphorus is a key limiting factor for plant growth. over 80 % of phosphate rock mined worldwide ends up in fertilisers. phosphate supply and price is thus

phosphorus recovery from municipal wastewater: an

the p-rich pasch output “calcium phosphate” is an input to the process “agriculture soil”. occurring solid waste flows of the recovery process need proper treatment and are input into the process “waste management”. the flow “neutralised process water” from this technology is a backflow to the process

combined phosphorus removal and recovery

recovery of solubilised phosphate by methods as stone precipitation, crystallisation or ion exchange the most common technology is the use of enhanced biological phosphorus removal followed by release of phosphate during anaerobic treatment. released phosphate may then be recovered as calcium phosphate or magnesium ammonium phosphate.

manure project overall view : usda ars

phosphorus recovery from manure and biosolids:research scientists developed a patented treatment process, called quick wash tm, for extraction and recovery of phosphorus from poultry litter and pig manure solids, but research has shown that the approach is equally effective with municipal biosolids. usda granted an exclusive license to renewable nutrients, llc to commercialize the quick wash tm.

lithium australia receives patent notice for battery

the lithium phosphate improvements were considered a “significant” fourth step in the seven-step process for locking-in granted patents, which can take several years to achieve. positive next step. ip australia is an agency of the department of industry, innovation and science and manages and grants patent applications in australia.

processes for the manufacture of feed-grade dicalcium

oct 26, 1976· the invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. the process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid, phosphoric acid and nitric acid, characterized by the fact that the free acidity of the dissolution liquor does not exceed 60% and


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phosphorus fertilizer production and technology

history of phosphate fertilizer • early sources were mostly animal based ̶ bones, guano, manure • treatment of bones with acid to increase p solubility started early to mid 1800s • sulfuric acid treatment process of bones and p minerals (apatite) was patented in mid 1800s. •

bismuth phosphate carrier process for pu recovery(patent

a bismuth phosphate carrier precipitation process is patented for separating plutonium from fission products. purification of plutonium is accomplished by precipitating bismuth phosphate in the presence of quadrivalent plutonium, thereby carrying plutonium from soluble fission products, and in another step precipitating bismuth phos phate in the presence of hexavalent plutonium, thereby

us4986977a recovery of useful products google patents

the process is described for treating the sludge formed in a phosphate conversion bath, and in particular, in zinc phosphate conversion baths to convert the sludge into useful stone materials thereby eliminating the need for disposal to landfill. the process comprises the steps of (a) recovering the solid by-products from the used phosphating solution; (b) treating the solid by-products

enhanced oil recovery patents and patent applications

abstract: a water-based fluid, containing: a non-ionic surfactant, which is stable in a temperature range from 10 to 90° c. and soluble in water; and a salt, wherein the non-ionic surfactant contains an alkyl polyglucoside selected from the group consisting of a c8 alkyl polyglucoside, a c10 alkyl polyglucoside, and mixtures thereof, and the salt is present, and is present in an amount up to 60%.

us3304157a process for the recovery of google patents

us3304157a process for the recovery of phosphoric acid from aqueous reaction mixtures produced by the decomposition of tricalcium phosphate with hydrochloric acid google patents

phosphate mining in the united states wikipedia

the average uranium recovery was about 0.9 pounds u 3 o 8 per metric ton of p 2 o 5. however, uranium recovery is feasible only from the process that produces double superphosphate; most phosphate is processed into normal superphosphate, a process not amenable to uranium recovery.

us9061221b2 phosphate recovery from sludge google patents

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

phosphorus fertilizer production and technology

history of phosphate fertilizer • early sources were mostly animal based ̶ bones, guano, manure • treatment of bones with acid to increase p solubility started early to mid 1800s • sulfuric acid treatment process of bones and p minerals (apatite) was patented in mid 1800s. • today most p fertilizer

bismuth phosphate process wikipedia

the bismuth phosphate process involved taking the irradiated uranium fuel slugs and removing their aluminium cladding. because there were highly radioactive fission products inside, this had to be done remotely behind a thick concrete barrier. this was done in the "canyons" (b and t buildings) at hanford.

recovery rate phosphate beneficiation process jun

patented for thermal phosphate recovery process. patented for thermal phosphate recovery process.learn about our electric downhole heating systems used in enhanced oil recover (eor) and flow assurance (fa) applications. read more recovery rate phosphate beneficiation process iron . challenges of phosphate ore beneficiation in egypt

thermal acidization and recovery process for recovering

@article{osti_865053, title = {thermal acidization and recovery process for recovering viscous petroleum}, author = {poston, robert s.}, abstractnote = {a thermal acidization and recovery process for increasing production of heavy viscous petroleum crude oil and synthetic fuels from subterranean hydrocarbon formations containing clay particles creating adverse permeability effects is described.

recovery rate phosphate beneficiation process

recovery rate phosphate beneficiation process recovery rate phosphate beneficiation process jun 2012 modeling of the phosphate beneficiation process as of a phosphate mine and a beneficiation plant practice, get in touch >>recovery rate phosphate beneficiation process. patented for thermal phosphate recovery process

united states patent and trademark office

remarks by director iancu at the european patent office (epo) patent information conference more remarks as we embark on the next wave of technological and industrial revolutions, we must ensure that we continue to have a robust ip system, with rights that

processing of a rare earth phosphate concentrate obtained

the recovery of ree to the aqueous phase under mild acidic conditions is limited by the presence of remaining phosphate and by formation of ree oxide phases. the thermal treatment route (route i) was not selective in separation of the ree from fe.

routes from sewage sludge to phosphate supply water tech

the eu imports an estimated 975,000 tons of phosphate fertilizers annually. this non-renewable resource is mined in only a few locations, primarily the u.s., china, morocco and western sahara. evaluation of the supply chain reveals that only 20 percent of mined phosphorus is actually consumed, with the balance lost in the process. recovery from secondary sources is increasingly being

recophos recovery of phosphorus

„recophos recovery of phosphorus“ 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.

struvia phosphorus recovery and harvesting system

struvia™ phosphorus recovery and harvesting uses a patented mixer, turbomix™, in combination with lamella settlers to produce and separate struvite crystals from the wastewater within a single reactor with a small footprint, making it an economical phosphorous recovery process.

purex wikipedia

the purex process was invented by herbert h. anderson and larned b. asprey at the metallurgical laboratory at the university of chicago, as part of the manhattan project under glenn t. seaborg; their patent "solvent extraction process for plutonium" filed in 1947, mentions tributyl phosphate as the major reactant which accomplishes the bulk of

susphos, sustainable use of phosphate from waste materials

the patented susphos process is a robust process that can produce a variety of market known, high-quality phosphate products. these range across several markets, including the flame-retardant and fertilizer industries.

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patented for thermal phosphate recovery process