About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

Ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum

Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

wet grinding method for crude phosphate rock

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Wet grinding method for crude phosphate rock CF

I claim: 1. The method of wet grinding crude phosphate rock containing clay minerals or like siliceous impurities, which comprises the steps of: introducing coarsely sized, crude phosphate rock containing clay minerals or the like into a grinding mill with at least about 20% by weight of water; introducing a substantially calcium-free alkaline additive material into the mixture of crude rock

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Phosphate Wet Grinding Soby

Wet grinding method for crude phosphate rock CF Sep 12, 1978 The method of wet grinding crude phosphate rock containing clay minerals or like siliceous impurities, which comprises the steps of introducing coarsely sized, crude phosphate rock containing clay minerals or the like into a grinding mill with at least about 20 by weight of water introducing a substantially calciumfree alkaline additive.

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US4577804A Wet grinding phosphate rock in an acidic

Phosphate rock contained in an acidic slurry is ground by equipment wherein the acidic slurry contacts the metallic surfaces of the equipment. A method for monitoring and controlling grinding ball consumption is provided in which acid-neutralizing particulate iron contained in the acidic slurry is measured and correlated to control curves, which relate particulate iron concentration to slurry

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11.21 Phosphate Rock Processing US EPA

PM. Another control technique for phosphate rock dryers is use of the wet grinding process. In this process, rock is ground in a wet slurry and then added directly to wet process phosphoric acid reactors without drying. A typical 45 Mg/hr (50 ton/hr) calciner will discharge about 13 to 27 dry normal m3/sec

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Patents in Class 423/157.200

Wet grinding method for crude phosphate rock This application discloses a method of wet grinding crude phosphate rock containing clay minerals and the like impurities. The procedures of the invention produce a rock slurry of enhanced...

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Purification of high iron wet-process phosphoric acid via

A method has been developed to reduce the iron content in phosphoric acid produced by the dihydrate wet process from open cast phosphate rock of Abu-Tartur mine in Egypt. In this method, oxalic acid was used to precipitate iron as ferrous oxalate dihydrate (FeC 2 O 4.2H 2 O). The achieved removal efficiency of iron was about 91% due to the low

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Purification of high iron wet-process phosphoric acid via

Mar 01, 2019· Phosphate rock sample of 500 Kg was collected and ground to – 5.0 mm. A sample of 10 Kg weight was ground to 100% less than 100 mesh. The ground phosphate rock of −100 mesh was used to prepare filter phosphoric acid by the dihydrate process. The dihydrate process is the conventional method for production of wet-process phosphoric acid.

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US4472368A Neutralization of cooling pond water in

An economical process for treating the acidic pond water to be used in the internal grinding circuit of a wet process phosphoric acid plant. Water is added to a quantity of a hydratable calcium compound, such as quicklime, to form a slaked lime slurry. A sufficient quantity of the slaked lime slurry is reacted with the acidic pond water to obtain a low fluoride solution having a fluoride

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water content ball mill wet grinding

Wet grinding method for crude phosphate rock Sep 12 1978In the wet process manufacture of phosphoric acid for triple superphosphate production or other such uses it is common practice to feed coarsely crushed or pebble rock to a rotary grinding mill that is charged with a suitable ball- pebble- or rod-type medium water being introduced in order

More
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Phosphate Wet Grinding Soby

Wet grinding method for crude phosphate rock CF Sep 12, 1978 The method of wet grinding crude phosphate rock containing clay minerals or like siliceous impurities, which comprises the steps of introducing coarsely sized, crude phosphate rock containing clay minerals or the like into a grinding mill with at least about 20 by weight of water introducing a substantially calciumfree alkaline additive.

More
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US4577804A Wet grinding phosphate rock in an acidic

Phosphate rock contained in an acidic slurry is ground by equipment wherein the acidic slurry contacts the metallic surfaces of the equipment. A method for monitoring and controlling grinding ball consumption is provided in which acid-neutralizing particulate iron contained in the acidic slurry is measured and correlated to control curves, which relate particulate iron concentration to slurry

More
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Purification of high iron wet-process phosphoric acid via

Mar 01, 2019· Phosphate rock sample of 500 Kg was collected and ground to – 5.0 mm. A sample of 10 Kg weight was ground to 100% less than 100 mesh. The ground phosphate rock of −100 mesh was used to prepare filter phosphoric acid by the dihydrate process. The dihydrate process is the conventional method for production of wet-process phosphoric acid.

More
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Purification of high iron wet-process phosphoric acid via

A method has been developed to reduce the iron content in phosphoric acid produced by the dihydrate wet process from open cast phosphate rock of Abu-Tartur mine in Egypt. In this method, oxalic acid was used to precipitate iron as ferrous oxalate dihydrate (FeC 2 O 4.2H 2 O). The achieved removal efficiency of iron was about 91% due to the low

More
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Processing Phosphates for Use in the Fertilizer Industry

Phosphorus is derived from phosphate rock, deposits of which are mined all over the world. And while ground phosphate rock can be applied directly to soil, it is most beneficial to first process the phosphate rock into a form that allows the phosphorus to be more readily absorbed by plants.

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(PDF) Phosphoric Acid Production | Engr Sajid Chaudhary

Contents PRODUCTION OF PHOSPHORIC ACID• Phosphoric acid (H3PO4) can be produced by these commercial methods: 1) Wet process or from sulfuric acid and phosphate rock 2) Using phosphate rock and blast furnace 3) Using phosphate rock and electric furnace 4) Oxidation and hydration of phosphorous WET PROCESS• The basic chemistry of the wet process is exceedingly simple.The tricalcium phosphate

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Mining and Beneficiation – Phosphate Research Network

The mining process of phosphate ore deposits includes prospecting, exploration, mine development and ore exploitation. The ore extraction could be underground or open pit which is the most common method. The main phosphate rock extraction stages in open pit

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[PDF] Phosphates and phosphoric acid: raw materials

Covers crystal growth, nondihydrate processes, material balance calculation methods, filtration, acid concentration systems, rock grinding, fluorine recovery and environmental effects, investment costs, and commercial ore. Demonstrates how commercial phosphate can be applied to present technology an

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Phosphate-Rock Mining , Technology, Applications, Patent

Phosphate rock or phosphorite is a general description applied to several kinds of rock which contain significant concentrations of phosphate minerals. The two main sources for phosphate are guano, formed from bird droppings, and rocks containing concentrations of the calcium phosphate

More
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water content ball mill wet grinding

Wet grinding method for crude phosphate rock Sep 12 1978In the wet process manufacture of phosphoric acid for triple superphosphate production or other such uses it is common practice to feed coarsely crushed or pebble rock to a rotary grinding mill that is charged with a suitable ball- pebble- or rod-type medium water being introduced in order

More
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(PDF) Purification of Crude Phosphoric Acid and

The obtained results were used for the recovery of phosphoric acid from both the crude acid and the leached solution from digestion of apatite phosphate rock with hydrochloric acid.

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ball mill for rock phosphate in bangladesh

Rock phosphate grinding mills japan wet grinding mills178 wet grinding ball mills for the treatment of minerals ores and other bulk materials for the wet grinding process a large number of these mills areore leadzinc ore limestone manganese ore magnesite molybdenum ore nickel ore oil shale phosphate rock quarz shale silica sand silver ore slag

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Ball Mill SlideShare

Nov 30, 2015· • There are two types of grinding, the dry process and wet process. 5. DEFINITON: • A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing processes, paints, pyrotechnics, ceramics and selective laser sintering etc.

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Food&Fertilizer Grade Phosphoric Acid for Sale Chemate

Wet-process Method. This method uses inorganic acid to decompose phosphate rock powder, and form crude phosphoric acid after filtration and separation and orthophosphoric acid is obtained after concentration. Wet-process phosphoric acid has lower cost than thermal phosphoric. But the impurity content is high, which can only be used to produce

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Phosphate Wet Grinding Soby

Wet grinding method for crude phosphate rock CF Sep 12, 1978 The method of wet grinding crude phosphate rock containing clay minerals or like siliceous impurities, which comprises the steps of introducing coarsely sized, crude phosphate rock containing clay minerals or the like into a grinding mill with at least about 20 by weight of water introducing a substantially calciumfree alkaline additive.

More
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US7172742B2 Method of preparing wet process phosphoric

The present invention relates to a method of preparing wet process phosphoric acid, which comprises: dividing raw materials which contain phosphate rock slurry and sulfuric acid into two parts, and then feeding these two parts into two reactors separately. In the first reactor, feeding 70–90 wt. % of the total amount of the slurry and sulfuric acid, in which the ratio of phosphate rock

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Purification of high iron wet-process phosphoric acid via

A method has been developed to reduce the iron content in phosphoric acid produced by the dihydrate wet process from open cast phosphate rock of Abu-Tartur mine in Egypt. In this method, oxalic acid was used to precipitate iron as ferrous oxalate dihydrate (FeC 2 O 4.2H 2 O). The achieved removal efficiency of iron was about 91% due to the low

More
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Evaluation of Saudi Phosphate Rocks for Wet Process

Jan 01, 1992· The wet grinding Bond’s work index values obtained experimentally for Al- Jalamid rock ranges between 17.75 and 25.92 kwh/ton which compare with the work indices of Florida rock (18.5-20.0 kwh/ton). The work indices obtained for the Umm-Wual sample are in the range of 29.0 to 30.0 kwh/ton.

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US3113838A Process for enriching of phosphoric anhydride

US3113838A US824911A US82491159A US3113838A US 3113838 A US3113838 A US 3113838A US 824911 A US824911 A US 824911A US 82491159 A US82491159 A US 82491159A US 3113838 A US3113838 A US 3113838A Authority US United States Prior art keywords calcium carbonate phosphate flotation rock granules Prior art date 1958-07-08 Legal status (The legal status is an

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Characterization of the Oum El Khacheb phosphorites (South

Sep 01, 2016· In phosphate industry, there are two types of grinding methods, the dry and the wet ones. We have chosen wet one using a grinder with rod mills and balls for this spot. In fact, the particularity of this grinding process is that particles spread and the limit layer’s phenomena are widely dependent on viscosity of prepared pulp [20] .

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(PDF) Phosphoric Acid Production | Engr Sajid Chaudhary

Contents PRODUCTION OF PHOSPHORIC ACID• Phosphoric acid (H3PO4) can be produced by these commercial methods: 1) Wet process or from sulfuric acid and phosphate rock 2) Using phosphate rock and blast furnace 3) Using phosphate rock and electric furnace 4) Oxidation and hydration of phosphorous WET PROCESS• The basic chemistry of the wet process is exceedingly simple.The tricalcium phosphate

More
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Purification of wet phosphoric acid from ferric ions using

Feb 01, 2004· 4.4. Effect of interfering ions. Despite many impurities are present in crude phosphoric acid, the interference of uranium ions was selected due to: (i) the ores which are used in the preparation of phosphoric acid always contain uranium ions and about 80% of the uranium contained in phosphate minerals is dissolved in the wet production method and the rest remains in the phosphogypsum

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US4256570A Purification of phosphoric acid Google Patents

Phosphoric acid is purified by a process which comprises treating the crude acid solution with a body feed agent and a flocculating agent to cause a portion of the impurities to settle out, and contacting the partially clarified acid with activated carbon for further impurity removal. In the preferred process, hot wet process phosphoric acid from the plant filter is first cooled to a

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[PDF] Phosphates and phosphoric acid: raw materials

Covers crystal growth, nondihydrate processes, material balance calculation methods, filtration, acid concentration systems, rock grinding, fluorine recovery and environmental effects, investment costs, and commercial ore. Demonstrates how commercial phosphate can be applied to present technology an

More
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Patents Assigned to Davy Powergas Inc. Justia Patents Search

Abstract: A wet phosphoric acid production process comprising the attack on phosphate rock by sulfuric acid and phosphoric acid utilizing a vacuum cooling and a recirculation of the reaction slurry. The flow rates of the materials within the system are maintained at a level, relative to the rate of withdrawal of the slurry from the system, of between 300% and 4000% for the cyclic flow, between

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Phosphate-Rock Mining , Technology, Applications, Patent

Phosphate rock or phosphorite is a general description applied to several kinds of rock which contain significant concentrations of phosphate minerals. The two main sources for phosphate are guano, formed from bird droppings, and rocks containing concentrations of the calcium phosphate

More
[randpic]

(PDF) Purification of Crude Phosphoric Acid and

The obtained results were used for the recovery of phosphoric acid from both the crude acid and the leached solution from digestion of apatite phosphate rock with hydrochloric acid.

More
[randpic]

Mining and Beneficiation – Phosphate Research Network

The mining process of phosphate ore deposits includes prospecting, exploration, mine development and ore exploitation. The ore extraction could be underground or open pit which is the most common method. The main phosphate rock extraction stages in open pit

More

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