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A preparation method of activated zeolite filter material capable of decomposing organic pollutants

A technology of organic pollutants and activated zeolite, applied in water pollutants, chemical instruments and methods, inorganic chemistry, etc., can solve the problems of activated zeolite filter material not having the ability to decompose organic pollutants and adsorption capacity, etc.

Active Publication Date: 2020-10-09
国投盛世承德科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the activated zeolite filter material does not have the performance of decomposing organic pollutants, and does not have continuous adsorption capacity after adsorption saturation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation method of an activated zeolite filter material capable of decomposing organic pollutants, comprising the following process steps:

[0021] Step 1: Preparation of boron-lanthanum-titanium ternary composite precursor

[0022] 1.1 Take a 500 mL beaker, add 210 mL of ethanol, 33 mL of ethylene glycol, 16 mL of isopropyl titanate, 3.5 mL of tributyl borate and 6 mL of acetylacetone in sequence. The above materials are pure materials, and stir well;

[0023] 1.2 Add 23 mL 0.2mol / L lanthanum nitrate aqueous solution into the beaker and stir well;

[0024] 1.3 Add 30g of activated zeolite filter material to the beaker, place the mixture in a 100W ultrasonic cleaner, and process it at 40MHz for 30 minutes to prepare a boron-lanthanum-titanium ternary composite precursor for later use.

[0025] Step 2: Heat Reaction Hanging Film

[0026] 2.1 Pour the boron-lanthanum-titanium ternary composite precursor in step 1.3 into a stainless steel reactor, seal the reactor, ...

Embodiment 2

[0033] A preparation method of an activated zeolite filter material capable of decomposing organic pollutants, comprising the following process steps:

[0034] Step 1: Preparation of boron-lanthanum-titanium ternary composite precursor

[0035] 1.1 Take a 500 mL beaker, add 215 mL of ethanol, 34 mL of ethylene glycol, 17 mL of isopropyl titanate, 3.9 mL of tributyl borate and 7 mL of acetylacetone in sequence. The above materials are pure materials, and stir well;

[0036] 1.2 Add 25 mL of 0.2mol / L lanthanum nitrate aqueous solution into the beaker and stir evenly;

[0037] 1.3 Add 35g of activated zeolite filter material to the beaker, place the mixture in a 100W ultrasonic cleaner, and process it at 40MHz for 30 minutes to prepare the boron-lanthanum-titanium ternary composite precursor for later use.

[0038] Step 2: Heat Reaction Hanging Film

[0039] 2.1 Pour the boron-lanthanum-titanium ternary composite precursor into a stainless steel reactor, seal the reactor, keep ...

Embodiment 3

[0046] A preparation method of an activated zeolite filter material capable of decomposing organic pollutants, comprising the following process steps:

[0047] Step 1: Preparation of boron-lanthanum-titanium ternary composite precursor

[0048] 1.1 Take a 500 mL beaker, add 220 mL of ethanol, 36 mL of ethylene glycol, 18 mL of isopropyl titanate, 4.5 mL of tributyl borate and 8 mL of acetylacetone in sequence. The above materials are pure materials, and stir well;

[0049] 1.2 Add 27 mL of 0.2mol / L lanthanum nitrate aqueous solution into the beaker and stir evenly;

[0050] 1.3 Add 40g of activated zeolite filter material to the beaker, place the mixture in a 100W ultrasonic cleaner, and process it at 40MHz for 30 minutes to prepare a boron-lanthanum-titanium ternary composite precursor for later use.

[0051] Step 2: Heat Reaction Hanging Film

[0052] 2.1 Pour the boron-lanthanum-titanium ternary composite precursor in step 1.3 into a stainless steel reactor, seal the reac...

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Abstract

The invention relates to a preparation method for an activated zeolite filter material capable of decomposing organic pollutants, belonging to the field of functional materials for environment purification. The preparation method comprises the following process steps: preparation of a boron-lanthanum-titanium ternary composite precursor: a step of subjecting ethanol, ethylene glycol, isopropyl titanate, tributyl borate, acetylacetone, a lanthanum nitrate aqueous solution and an activated zeolite filter material to stirring and ultrasonic treatment; film formation through a thermal reaction: astep of subjecting the above-mentioned precursor to a reaction in a stainless steel reaction vessel with a set temperature and pressure, and carrying out filtering and washing; and formed-film curing:a step of drying a filter cake, and carrying out calcination so as to obtain the activated zeolite filter material capable of decomposing the organic pollutants. The activated zeolite filter materialprepared by using the preparation method provided by the invention has the activity of decomposing the organic pollutants under an illumination condition.

Description

Technical field: [0001] The invention belongs to the field of environmental purification functional materials, and in particular relates to a preparation method of an activated zeolite filter material capable of decomposing organic pollutants. Background technique: [0002] Zeolite is a kind of polar substance and is a very polar adsorbent. It has a strong adsorption effect on polar molecules and unsaturated organic molecules, such as halogenated hydrocarbons. It has a strong adsorption effect on non-polar molecules with high polarizability. There is also a higher selective adsorption advantage. Activated zeolite is natural zeolite activated by a variety of special processes. Its adsorption performance is stronger than natural zeolite, and its ion exchange performance is also better. It can not only remove turbidity, color and odor in water, but also harmful heavy metals in water. Such as: chromium, cadmium, nickel, zinc, mercury, iron ions and organic substances: phenol, B...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/06B01J35/10B01J20/16B01J20/28B01J20/30C02F1/30C02F101/30
CPCB01J20/0207B01J20/0211B01J20/0248B01J20/16B01J20/28064B01J29/06B01J35/004B01J35/1023B01J2220/42B01J2220/4806C02F1/30C02F2101/30
Inventor 张文杰韩铭董英昊李昊伦
Owner 国投盛世承德科技股份有限公司
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