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Glass ceramic coating produced on metal carrier and its producing method

A technology of metal carrier and glass ceramics, which is applied in the direction of catalyst carrier, chemical instruments and methods, catalyst protection, etc., and can solve the problems of limiting the purification efficiency of catalytic converters

Inactive Publication Date: 2007-01-24
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This shortcoming limits the purification efficiency of the catalytic converter

Method used

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  • Glass ceramic coating produced on metal carrier and its producing method
  • Glass ceramic coating produced on metal carrier and its producing method
  • Glass ceramic coating produced on metal carrier and its producing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] Potassium nitrate (KNO 3 ) 3 grams; sodium nitrate (NaNO 3 ) 10 grams; Aluminum nitrate nonahydrate (Al(NO 3 ) 3 9H 2 O) 6 grams; calcium nitrate tetrahydrate (Ca(NO 3 ) 2 4H 2 O) 3.5 grams; nickel nitrate hexahydrate (Ni(NO 3 ) 2 6H 2 O) 10 grams; cobalt nitrate hexahydrate (Co(NO 3 ) 2 6H 2 (2) 10 grams; Add 10 milliliters of distilled water and stir respectively, take out the aqueous solution of the above-mentioned salt according to a) described in: 2.3 grams of potassium nitrate, 4 grams of sodium nitrate, 2.1 grams of aluminum nitrate, 2 grams of calcium nitrate, 6 grams of nickel nitrate, 2.4 grams of cobalt nitrate were mixed evenly. Weigh 2 grams of boric acid and add 15 milliliters of water, and mix and stir the two salt solutions (40 minutes at 50° C.).

[0082] Then prepare tetraethyl orthosilicate solution according to the above-mentioned glass solution preparation method b) in the technical scheme, weigh 15 milliliters of tetraethyl orthosilicate...

Embodiment 2

[0087] Potassium nitrate (KNO 3 ) 3 grams, aluminum nitrate nonahydrate (Al(NO 3 ) 3 9H 2 O) 6 grams, calcium nitrate tetrahydrate (Ca(NO 3 ) 2 4H 2 O) 3.5 grams, strontium nitrate (Sr(NO 3 ) 2 ) 3.5 grams, sodium nitrate (NaNO 3 ) 9 grams, add 10 milliliters of distilled water respectively, stir evenly, take out the aqueous solution potassium nitrate 2.3 grams of above-mentioned salt according to a), aluminum nitrate 2.1 grams, calcium nitrate 2 grams, strontium nitrate 1.4 grams, sodium nitrate 4.4 grams mix uniform.

[0088] Weigh 1 gram of boric acid (H 3 BO 3 ), add 10 ml of water, mix and stir the two salt solutions (under the condition of 50° C.), then prepare tetraethyl orthosilicate solution according to the above-mentioned glass solution preparation method b), weigh 20 milliliters of tetraethyl orthosilicate solution, and then Mix 5 ml of ethanol with a concentration of 85%, 2 ml of water and 0.2 ml of nitric acid with a concentration of 65% and stir evenl...

Embodiment 3

[0093] Potassium nitrate (KNO 3 ) 3 grams, nickel nitrate hexahydrate (Ni(NO 3 ) 2 6H 2 O) 10 grams, aluminum nitrate nonahydrate (Al(NO 3 ) 3 9H 2 O) 6 grams, copper nitrate trihydrate (Cu(NO 3 ) 2 3H 2 O) 12 grams, manganese nitrate hexahydrate (Mn(NO 3 ) 2 6H 2 O) 40 grams, calcium nitrate tetrahydrate (Ca(NO 3 ) 2 4H 2 (2) 3.5 grams, add 10 milliliters of distilled water and stir respectively, take out the aqueous solution potassium nitrate 2.3 grams of the above-mentioned salt according to a), 6 grams of nickel nitrate, 2.1 grams of aluminum nitrate, 3.1 grams of copper nitrate, 12 grams of manganese nitrate, nitric acid Calcium 2 grams mix well.

[0094] Weigh 1.3 grams of boric acid (H 3 BO 3 ), add 12 milliliters of water, mix and stir the two salt solutions (at 50° C.), then prepare tetraethyl orthosilicate solution according to the above glass solution preparation method b), weigh 16 milliliters of tetraethyl orthosilicate solution, and then Mix 4 ml...

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Abstract

The present invention belongs to the field of automobile tail gas purifying technology, and is especially glass ceramic coating on metal or alloy carrier of automobile tail gas purifying treater and its preparation process. The oxides of the glass coating include silica in 25-65 wt% and boron oxide in 5.0-27 wt%, except the mixture of other 3-9 oxides selected from 17 kinds of oxides, including sodium oxide, potassium oxide, lithium oxide, aluminum oxide, calcium oxide, etc. The glass coating on the metal carrier can raise the mechanical strength and reaction activity of the catalyst effectively, and this results in saving in active component and lowered cost.

Description

Technical field: [0001] The invention belongs to the field of automobile tail gas purification, and in particular relates to a glass ceramic coating prepared on a metal alloy carrier on a processor for purifying diesel and gasoline engine tail gas and a preparation method of the coating. technical background: [0002] Since the diesel engine came out in 1892, it has been widely used in various power plants, ships and vehicles due to its good power, economy and durability. With the increase of diesel engines and the strengthening of people's awareness of environmental protection, the problem of air pollution caused by diesel engines has become increasingly prominent. The existing diesel engine exhaust control countermeasure technology includes three aspects: engine technology, post-treatment technology and fuel technology. Among them, there are four main post-treatment technologies: oxidation catalyst technology, particulate trap (or particulate filter) technology, NO x Cat...

Claims

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Application Information

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IPC IPC(8): C03C8/02C23D5/00B01J32/00B01J33/00
Inventor 韩炜郭淑丽刘光辉牛晓巍周亮维基·瓦列里波罗金·维克多
Owner JILIN UNIV
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