CN1046507A - Kaolin is produced the method for poly aluminium chloride and white carbon black - Google Patents

Kaolin is produced the method for poly aluminium chloride and white carbon black Download PDF

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Publication number
CN1046507A
CN1046507A CN89102613.4A CN89102613A CN1046507A CN 1046507 A CN1046507 A CN 1046507A CN 89102613 A CN89102613 A CN 89102613A CN 1046507 A CN1046507 A CN 1046507A
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China
Prior art keywords
carbon black
white carbon
kaolin
produced
aluminium chloride
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Pending
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CN89102613.4A
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Chinese (zh)
Inventor
李抚立
曾星清
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Individual
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Individual
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Priority to CN89102613.4A priority Critical patent/CN1046507A/en
Publication of CN1046507A publication Critical patent/CN1046507A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/56—Chlorides
    • C01F7/57—Basic aluminium chlorides, e.g. polyaluminium chlorides

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

The present invention reacts technical hydrochloric acid under certain condition with kaolin, product is processed the product that obtains respectively through liquid-solid separation, can obtain White Carbon black and polyaluminium chloride.

Description

Kaolin is produced the method for poly aluminium chloride and white carbon black
The present invention is the new technology of producing simultaneously White Carbon black and polyaluminium chloride with kaolin, belongs to field of silicate technology.
Kaolin is a kind of unformed SiO that contains 2And Al 2O 3Epipastic mineral, it can be used as the main production raw material of White Carbon black and polyaluminium chloride.At present, utilizing kaolin production White Carbon black and polyaluminium chloride, is respectively production technology independently separately, as in the production procedure of White Carbon black liquid aluminium salt being fallen as discharging of waste liquid, and produces in the production technology of polyaluminium chloride solid-state SiO 2Lose as waste residue.These liquid and waste slag produced product costs that not only make increase, and have polluted environment.
Provide a kind of with the Main Ingredients and Appearance SiO in the kaolin 2And Al 2O 3The White Carbon black and the polyaluminium chloride production technology that change simultaneously useful products into are purposes of the present invention.
The present invention reacts technical hydrochloric acid under certain condition with kaolin, product is through liquid-solid separation, and its liquid is liquor alumini chloridi, and solid is White Carbon black.Different product is processed respectively, got product.Below in conjunction with accompanying drawing the present invention is made a brief description.
(1) (4) are with the dissolution kettle that stirs among the figure, according to kaolinic weight, join a certain proportion of hydrochloric acid and sulfuric acid and successively add in the still (1) (4), because the Al in the kaolin 2O 3, Fe 2O 3And trace Ti O 2, can under normal pressure, react with strong acid, and SiO 2Do not react, so just make reactant enter into solution, reactant does not become precipitation, and its reaction equation is as follows:
Adopting the purpose of quadratic acid leaching is to make to greatest extent Al 2O 3Stripping is to guarantee the quality of White Carbon black.(2) (5) are strainer, and its effect is that precipitation is separated with solution, and the filter cake after the filtration stirs the water scrubber washing by (3) (6) again, and washing water can reclaim the diluent as concentrated acid.(7) be white carbon black spray-drier.(8) be high speed disintegrator, to guarantee the granularity requirements of product.After dissolution kettle (1) stripping, the Al more than 90% 2O 3And Fe 2O 3Be dissolved, the solution after separating through filter (2) is concentrated by evaporimeter (9) again, obtains AlCl 36H 2O carries out pyrolysis by pyrolysis oven (10), and the aluminium chloride monomer that obtains adds hot water again, polymerization in polymeric kettle (11), and products therefrom drying device (12) oven dry is the finished product polyaluminium chloride.
Principal reaction is as follows:
Contain a small amount of Fe in the kaolin 2O 3, exist in solution simultaneously through reaction, but because FeCl 3Itself has flocculation reaction, so do not affect the quality of polyaluminium chloride.The H of trace 2TiO 3Also belong to harmless impurity.
Enter the kaolin of stripping still (1), whiteness should be greater than 80, granularity should be less than 100 orders.Through test, dissolution time requires to be advisable with 30% technical hydrochloric acid at 3～5 hours.In order to improve solubility rate, reduce the volatilization loss of acid and, should take the interim temperature control method that heats up the pollution of environment: be lower than 80 ℃ in first hour, second hour 100 ℃, 110 ℃ of third and fourth hours.Poly aluminium chloride easily decomposes, so the product drying temperature is to be no more than 80 ℃ for good.

Claims (1)

  1. A kind of kaolin families mineral are produced the production technology of polyaluminium chloride and White Carbon black, and its technical characterictic is: utilize the Main Ingredients and Appearance of mineral through processing, obtain simultaneously the different product of White Carbon black and polyaluminium chloride.
CN89102613.4A 1989-04-21 1989-04-21 Kaolin is produced the method for poly aluminium chloride and white carbon black Pending CN1046507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN89102613.4A CN1046507A (en) 1989-04-21 1989-04-21 Kaolin is produced the method for poly aluminium chloride and white carbon black

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN89102613.4A CN1046507A (en) 1989-04-21 1989-04-21 Kaolin is produced the method for poly aluminium chloride and white carbon black

Publications (1)

Publication Number Publication Date
CN1046507A true CN1046507A (en) 1990-10-31

Family

ID=4854808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN89102613.4A Pending CN1046507A (en) 1989-04-21 1989-04-21 Kaolin is produced the method for poly aluminium chloride and white carbon black

Country Status (1)

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CN (1) CN1046507A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1102126C (en) * 1998-08-07 2003-02-26 张其春 Calcining and converting reaction process of preparing white carbon with clay mineral
CN1315723C (en) * 2005-02-21 2007-05-16 浙江大学 Method for preparing high-purity ultrnfine silicone powder and aluminium sulphate using kadin as raw material
CN107934974A (en) * 2017-12-13 2018-04-20 武汉理工大学 A kind of method by the high silicon waste residue production white carbon of kaolinite soil matrix

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1102126C (en) * 1998-08-07 2003-02-26 张其春 Calcining and converting reaction process of preparing white carbon with clay mineral
CN1315723C (en) * 2005-02-21 2007-05-16 浙江大学 Method for preparing high-purity ultrnfine silicone powder and aluminium sulphate using kadin as raw material
CN107934974A (en) * 2017-12-13 2018-04-20 武汉理工大学 A kind of method by the high silicon waste residue production white carbon of kaolinite soil matrix

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