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Preparation method and preparation system of ammonium catalyst, active iron and manganese oxide ammonium catalyst and deamination application

A technology of iron-manganese oxides and catalysts, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxides/metal hydroxide catalysts, etc., can solve the problems of easy adsorption, long time, complicated treatment, etc. problems, to achieve the effect of industrial production, long service life and stable performance

Active Publication Date: 2021-07-09
BEIJING ORIGIN WATER FILM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a kind of ammonium catalyst preparation method, preparation system, active iron manganese oxide ammonium catalyst and deamination application, through the proposal of ammonium catalyst preparation method In order to solve the ammonia nitrogen catalytic oxidation treatment of the actual municipal water polluted by low concentration ammonia nitrogen in the existing technology, the biological denitrification method has high requirements on the environment, and the exchange capacity of the ion exchange method is limited, it is easy to absorb and saturate, the treatment is complicated, and the time is long technical problem

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  • Preparation method and preparation system of ammonium catalyst, active iron and manganese oxide ammonium catalyst and deamination application
  • Preparation method and preparation system of ammonium catalyst, active iron and manganese oxide ammonium catalyst and deamination application
  • Preparation method and preparation system of ammonium catalyst, active iron and manganese oxide ammonium catalyst and deamination application

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preparation example Construction

[0043] Such as figure 1 As shown, the present invention provides an ammonium catalyst preparation method, including the steps of:

[0044] S101) Formulated iron-manganese salt solution, where Fe 2+ The concentration is 6-100mg / L, MN 2+ The concentration is 20-400 mg / L;

[0045] S102) Preparation of potassium permanganate solution in doped polyion, wherein kmno 4 The concentration is 49-945mg / L, CA 2+ The concentration is 35-45mg / L, MG 2+ The concentration is 20-28mg / L, HCO 3 - The concentration is 244-610mg / L, F - The concentration is 0.5-3mg / L, H 3 BO 3 The concentration is 56-109mg / L, PO 4 3- The concentration is 3-60mg / L, SR 2+ The concentration is 0.5-1 mg / l and SiO 3 2- The concentration is 1.4-20mg / L;

[0046] S103) Mix 20-30 L of iron-manganese salt solution and 20-30 L doped with polymanganese amphotoate solution, stirred for 3-5 minutes, and the dielectric oxide of doped multigen is obtained;

[0047] S104) The iron-manganese oxide of the doped mu...

Embodiment 1

[0070] Samples are prepared, including the following steps:

[0071] Fitted iron salt solution, where Fe 2+ The concentration is 6mg / L, MN 2+ The concentration is 20 mg / L, iron-manganese salt solution 20L; pH is 2.7, effectively prevent Fe 2+ And Mn 2+ Oxidation;

[0072] Preparation of potassium permanganate solution in doped polyion, first formulate potassium permanganate solution 20L, KMNO 4 The concentration is 49 mg / L; calcium chloride, magnesium sulfate, sodium hydrogencarbonate, sodium fluoride, sodium boric acid, sodium chloride, sodium chloride, sodium silicate, so that Ca 2+ The concentration is 35mg / L, mg 2+ 20mg / L, HCO 3 - The concentration is 244mg / L, F - The concentration is 0.5mg / L, H 3 BO 3 The concentration is 56mg / L, PO 4 3- The concentration is 3 mg / L, SR 2+ The concentration is 0.5mg / L and SIO 3 2- The concentration is 1.4 mg / L;

[0073] 20L of the iron manganese salt solution and 20L doped with a polymanganate solution were mixed, stir...

Embodiment 2

[0083] Sample 2 preparation, including the following steps:

[0084] Formulated 20L iron-manganese salt solution, where Fe 2+ 20mg / L, MN 2+ The concentration is 300mg / L, pH is 3.0, prevent Fe 2+ And Mn 2+ Hydrolysis oxidation; formulated 20L potassium permanganate solution, where KMNO 4 The concentration of 445 mg / L; formulated multi ion solution, CA of polyionic solution 2+ The concentration is 45mg / L, Mg 2+ 28mg / L, HCO 3 - The concentration is 520 mg / L, F - The concentration is 3 mg / L, H 3 BO 3 The concentration is 109mg / L, PO 4 3- The concentration is 60mg / L, SR 2+ 1 mg / L and SiO concentration 3 2- The concentration is 20 mg / L; mixed iron-manganese salt solution and potassium permanganate solution to obtain 40L iron manganese oxide;

[0085] S205) The 20L polyionic solution was added to 40 L of iron manganese oxide, and the mineralization treatment was carried out to obtain an ammonium oxide catalyst of the active iron manganese.

[0086] During the min...

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Abstract

The invention relates to the technical field of ammonium catalyst preparation, in particular to an ammonium catalyst preparation method, a preparation system, an active iron and manganese oxide ammonium catalyst and deamination application. The method includes the following steps: an iron and manganese salt solution is prepared, wherein the concentration of Fe < 2 + > is 6 mg / L to 100 mg / L, and the concentration of Mn < 2 + > is 20 mg / L to 400 mg / L; a potassium permanganate solution doped with multiple ions is prepared, wherein the concentration of KMnO4 is 49 mg / L to 945 mg / L, the concentration of Ca < 2 + > is 35 mg / L to 45 mg / L, the concentration of Mg < 2 + > is 20 mg / L to 28 mg / L, the concentration of HCO3 <-> is 244 mg / L to 610 mg / L, the concentration of F <-> is 0.5 mg / L to 3 mg / L, the concentration of H3BO3 is 56 mg / L to 109 mg / L, the concentration of PO4 < 3-> is 3 mg / L to 60 mg / L, the concentration of Sr < 2 + > is 0.5 mg / L to 1 mg / L, and the concentration of SiO3 < 2-> is 1.4 mg / L to 20 mg / L; then 20-30 L of an iron-manganese salt solution and 20-30 L of a potassium permanganate solution doped with multiple ions are mixed and are stirred for 3-5 minutes to obtain iron-manganese oxide doped with multiple elements; and mineralization is performed on the multi-element doped iron and manganese oxide to obtain the active iron and manganese oxide ammonium catalyst.

Description

Technical field [0001] The present invention relates to the field of preparation of ammonium catalysts, and more particularly to an ammonium catalyst preparation method, a preparation system, an active iron manganese oxide ammonium ammonium catalyst, and deammine. Background technique [0002] Ammonia nitrogen catalyzed oxidation treatment for low concentration ammonia nitrogen contamination, the method currently employed is biodefitricating method and ion exchange. The biological deconaving method is a method of converting the ammonia nitrogen in the wastewater into nitrogen by a microbial effect, ammonia, nitrification, and denitrification, etc., has high efficiency, economical, practical, etc., which is very common, and the application is very common. However, the primary effects of microorganisms during biological denitrification are very sensitive, susceptible to pH, temperature, and nutrients such as pH, temperature and nutrients, etc., caused microorganisms to lose biologi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/889C02F1/72C02F101/16
CPCB01J23/8892C02F1/725C02F2101/16
Inventor 李锁定刘曼曼莫恒亮陈亦力孟佳意张金星薛云艳
Owner BEIJING ORIGIN WATER FILM TECH