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ADD:NO.75 ,Fushi Road,Quzhou City,Zhejiang Province,China

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The introduction of know-how and processing technology

of annual output 3000 tons Potassium fluoborate which use fluosilicic acid and potassium chloride

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1.    Date of Potassium Fluoroborate 

    1.1  Name: Potassium Fluoroborate

    1.2  Molecular formula: KBF4

    1.3  Molecular Weight: 125.90

    1.4   Property: White granule crystal, slightly soluble in water, hot alcohol and ethanol. Do not dissolve in alkaline solution. Can decomposed by strong acid into boron trifluoride. Reacts with carbonates of alkaline metal and produce fluoride and borate

    1.5   Usage: Used for slagging medium for hot brazing, the raw material in casting aluminum and magnesiumto produce boron contained alloy, as filler in heavy-duty abrasive wheel that using resins as abrasive cement, in jointing and fusing silver, gold, stainless steel, it can clean the dregs of light metal as the raw material to produce boron trifluoride and other villaumite, it can also use in electrochemistry and reagent.

 

2.   Technology and process

    2.1   Technical Principle

    2.1.1   Fluosilicic acid react with Boric acid makes Fluoboric acid and Silicon dioxide

               2H2SiF6 + 3H3BO3 → 3HBF4 + 2SiO2↓+ 5H2O

    2.1.2   Fluoboric acid react with Potassium chloride make to Potassium fluoborate and Hydrochloric acid

               KCl + HBF4 → KBF4↓ + HCl

    2.2   The process diagram at attached

 

3.   The requirements on raw materials

    The greatest advantage of this process is using waste fluosilicic acid of phosphate fertilizer enterprises and waste potassium chloride in organic chemical industry company.

    3.1  Fluosilicic acid: Normally, Fluosilicic acid comes from phosphate fertilizer plants and AHF plants. The consistency of fluosilicic acid is about 12%~25% in phosphate fertilizer 钱柜手游 lines and about 25%~40% in AHF 钱柜手游

    3.2   Potassium chloride: Basedon recover potassium chloride, so, that also contain organic matter generally (such as p-Chloronitrobenzene, 1-Fluoro-4-nitrobenzene etc.), which needs edulcoration. Either way, use quality potassium chloride.

    3.3  Boric acid: Industrial grade, over 98% is ok

 

 

4.  Consumption of Raw Material and Utility for 1 mt AHF Product

    4.1 Raw material consumption

Raw Material

Guaranteed

18 Fluosilicic acid

4450 kg

Boric acid 98%

530 kg

potassium chloride 85%

720 kg

    4.2 Utility consumption

Electrical energy

approx. 150kWh

Steam (6 bar)

approx. 600kg

Cooling water (32°C)

approx. 1.0m3

Coal or Coal Gas

approx. 10×106 kJ

 

5.  The advantage of Dingsheng Company proprietary technology

    5.1  Unique production process in China. Take full advantage of Fl in fluosilicic acid and Potass in the waste potassium chloride of organic chemicals industry which in line with the requirements of the national circular economy development.

    5.2  Low production costs, the cost is lower about 40% than using hydrogen fluoride, boric acid and potassium hydroxide to produce potassium fluoborate.

    5.3  The quality of production can reach over Grade I.

    5.4   Automation control system by DCS.

 

 

6.  Dingsheng company provides design and services as following:

    6.1  The basic design of P&ID for potassium fluoborate.

    6.2   The basic design of all non-standard equipments

    6.3   Material balance Diagram and Energy balances Diagram

    6.4   Condition list of electrical and instrument

    6.5   Selection model of general equipment

    6.6   General Plan Design

    6.7   Basic information for construction, Fire, safety, environmental protection, etc.

    6.8   Process Manuals.

    6.9   Commissioning assistance at plant site and staffs training on this technology.  

 

 

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