Method for extracting nanometer multi-metal oxide loaded activated carbon fibers

A multi-metal oxide and activated carbon fiber technology, which is applied in the field of environmental pollution control, can solve the problems of high price, restriction, and high catalyst price, and achieve the effect of low price, improved sulfur resistance and water resistance, and good sulfur resistance and water resistance.

Inactive Publication Date: 2016-08-03
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

[0012] Second, the price of the catalyst is high
At present, catalysts are all prepared from pure chemical reagents such as Cu, Ce, Pd, Zn, Fe, Ni, V, Mn, Co, W and other transition metals or rare earth metal salts, which are expensive, and the processing cost of decomposing volatile organic compounds is high. , restricting its due

Method used

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  • Method for extracting nanometer multi-metal oxide loaded activated carbon fibers

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Embodiment Construction

[0029] Please refer to figure 1 As shown in and, the present invention utilizes vanadium-titanium steel slag to extract the method flow process of nano multi-metal oxide loaded activated carbon fiber and comprises 4 steps:

[0030] In the first step, sulfuric acid dissolves vanadium-titanium steel slag. The dissolution of vanadium-titanium steel slag is dissolved in dilute sulfuric acid with different concentrations in two stages. The dilute sulfuric acid in the first stage is leached and separated by 35% to 40%. Save the solution after separation and discard the residue. Then the first separated solution and the second separated solution were mixed to obtain solution A.

[0031] In the second step, a mixed solution B of Fe(NO3)·9H2O and 50% Mn(NO3)2 was prepared. Measure the appropriate amount of two compounds, the molar ratio of Fe(NO3)·9H2O and 50% Mn(NO3)2 to Fe and Mn is 1:2, dissolve Fe(NO3)·9H2O in 50% Mn(NO3)2 Prepare mixed solution B.

[0032] In the third step, ...

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Abstract

The invention discloses a method for extracting nanometer multi-metal oxide loaded activated carbon fibers. Waste vanadium-titanium slags are taken as raw materials, rare earth metals and transition metals of Ce (Cerium), V (Vanadium), Ti (Titanium), Fe (iron), Co (Cobalt), W (Tungsten) and Mn (Manganese) in the vanadium-titanium slags are fully utilized and loaded on activated carbon for preparing a catalyst, so that vanadium-titanium slag wastes are comprehensively utilized to lower the treatment cost of volatile organic compounds.

Description

technical field [0001] The invention relates to the technical field of environmental pollution control, in particular to a method for extracting activated carbon fibers loaded with nanometer multi-metal oxides. Background technique [0002] VOCs (Volatile Organic Compounds, Volatile Organic Compounds) are one of the common pollutants emitted by industrial production processes such as petrochemical, pharmaceutical, printing, spray painting and motor vehicles. With the development of industry, the emission of VOCs is increasing day by day, with the characteristics of wide range and large emission. Its treatment has become one of the hot spots in the current international environment, and relevant environmental legislation is becoming increasingly strict. VOCs are a class of hydrophobic and persistent organic pollutants, which are easy to accumulate in fat-rich tissues, and most of them are carcinogenic, teratogenic, and mutagenic, and have potential hazards to the environment....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/889B01J35/06
CPCB01J23/002B01J23/8892B01J35/06B01J2523/00B01J2523/3712B01J2523/47B01J2523/55B01J2523/69B01J2523/72B01J2523/842
Inventor 李政石应杰
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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