CN101913845A - Ceramic packing with high iron content for wet-method gas desulfurization - Google Patents
Ceramic packing with high iron content for wet-method gas desulfurization Download PDFInfo
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- CN101913845A CN101913845A CN 201010244252 CN201010244252A CN101913845A CN 101913845 A CN101913845 A CN 101913845A CN 201010244252 CN201010244252 CN 201010244252 CN 201010244252 A CN201010244252 A CN 201010244252A CN 101913845 A CN101913845 A CN 101913845A
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Abstract
The invention relates to a ceramic packing with high iron content for wet-method gas desulfurization. The chemical components of the packing comprise 5-45 percent of iron trioxide. The packing is prepared from the following components in percentage by weight: 3-40 percent of iron trioxide or ferrous oxide, 55-87 percent of high-alumina clay and 2-10 percent of quartzite powder, wherein the summation of the contents of the raw materials is 100 percent. The raw materials are sintered at 1,300DEG C for 60-70 hours to obtain the ceramic packing. The sintered and formed ceramic packing comprises the following chemical components in percentage by weight: 35-63 percent of silica, 0.5-2.5 percent of aluminum oxide, 5-45 percent of iron trioxide, 0.8-2 percent of calcium oxide, 18-30 percent of magnesium oxide and 0.8-2 percent of potassium oxide and sodium oxide, wherein the summation of the contents of the components is 100 percent. Compared with the prior art, the invention has the benefits that the ceramic packing can directly participate in the desulphurization reaction, greatly reduces the consumption of a desulfurizing agent and improves the desulfurizing efficiency and has remarkable economic benefit.
Description
Technical field
The present invention relates to the ceramic packing field, specifically, is a kind of ceramic packing with high iron content that is used for wet-method gas desulfurization.
Background technology
In the prior art, the content of the ferric oxide in the ceramic packing chemical ingredients all is controlled at below 4%, and its major cause is whiteness and the erosion resistance that ferric oxide has influenced ceramic packing.The ceramic packing that uses in the existing wet desulphurization device also is so, and it mainly acts on is the mass transfer area that increases thionizer, and filler self is not participated in desulphurization reaction.
Because the content of ferric oxide is lower in the ceramic packing that uses in the existing wet desulphurization device, causes doctor solution consumption higher, has influenced desulfuration efficiency.
Therefore, developing a kind of raising desulfuration efficiency, save the ceramic packing of doctor solution consumption, is the technical problem of being badly in need of solution at present.
Summary of the invention
The purpose of this invention is to provide a kind of ceramic packing with high iron content that is used for wet-method gas desulfurization, this ceramic packing contains 5%～45% ferric oxide or iron protoxide, can effectively improve desulfuration efficiency, saves doctor solution consumption.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of ceramic packing with high iron content that is used for wet-method gas desulfurization contains weight percent and is 5%～45% ferric oxide in the chemical ingredients of this filler; This filler is made by its weight percent by following composition: ferric oxide or iron protoxide 3%～40%, high bauxite clay 55%～87%, quartzite powder 2%～10%, above-mentioned each material composition content sum are 100% to make through 60～70 hours sintering under 1300 ℃ of temperature;
After the sinter molding in this ceramic packing the weight percent of each chemical ingredients be: silicon-dioxide 35%～63%; Aluminium sesquioxide 0.5%～2.5%; Ferric oxide 5%～45%; Calcium oxide 0.8%～2%; Magnesium oxide 18%～30%; Potassium oxide sodium 0.8%～2%, each component content sum is 100%.
Compared with prior art, the invention has the beneficial effects as follows:
Ceramic packing of the present invention can directly be participated in desulphurization reaction, saves doctor solution consumption greatly, improves desulfuration efficiency, remarkable in economical benefits.
Embodiment
A kind of ceramic packing with high iron content that is used for wet-method gas desulfurization, this filler can be made into the filler of multiple shapes such as granular filler or structured packing, and main use location is the thionizer inside of wet desulphurization.Contain weight percent in the chemical ingredients of this filler and be 5%～45% ferric oxide, other compositions are silicon-dioxide, aluminium sesquioxide, calcium oxide, magnesium oxide, potassium oxide sodium and trace impurity.
Embodiment 1
One is used for the ceramic packing with high iron content of wet-method gas desulfurization, contains weight percent in the chemical ingredients of this filler and be 5% ferric oxide; This filler is made by weight percentage by following composition: ferric oxide or iron protoxide 3%, high bauxite clay 87%, quartzite powder 10%, above-mentioned each material composition content sum are 100% to make through 60～70 hours sintering under 1300 ℃ of temperature;
After the sinter molding in this ceramic packing the weight percent of each chemical ingredients be: silicon-dioxide 62.5%, aluminium sesquioxide 2%, ferric oxide 5%, calcium oxide 1.5%, magnesium oxide 28%, potassium oxide sodium 1%, each component content sum is 100%.
Embodiment 2
A kind of ceramic packing with high iron content that is used for wet-method gas desulfurization contains weight percent and is 22% ferric oxide in the chemical ingredients of this filler; This filler is made by weight percentage by following composition: ferric oxide or iron protoxide 20%, high bauxite clay 70%, quartzite powder 10%, above-mentioned each material composition content sum are 100% to make through 60～70 hours sintering under 1300 ℃ of temperature;
After the sinter molding in this ceramic packing the weight percent of each chemical ingredients be: silicon-dioxide 50.5%; Aluminium sesquioxide 1%; Ferric oxide 22%; Calcium oxide 1%; Magnesium oxide 24%; Potassium oxide sodium 1.5%, each component content sum is 100%.
The present invention has done a large amount of experiments, and the range values of each composition that provides in this manual all covers, and does not exemplify one by one at this.
Contain in being desulfurized gas under the situation of hydrogen sulfide and trace oxygen, following reaction can take place in the iron oxide surface of filler:
Hydrogen sulfide is absorbed and generates sulphur simple substance in the gas, and sulphur simple substance separates with filler under the flushing of doctor solution and enters solution and form the sulphur foam, and separates from regenerating unit, and the ferric oxide in the filler continues to participate in desulphurization reaction.Even the part ferric oxide is washed away also and can form micropore at the original position of filler by solution in the filler, and then has increased the specific surface area of filler effectively, improved the mass-transfer efficiency of filler.
Claims (1)
1. ceramic packing with high iron content that is used for wet-method gas desulfurization is characterized in that containing in the chemical ingredients of this filler weight percent and is 5%～45% ferric oxide;
This filler is 100% to make through 60～70 hours sintering under 1300 ℃ of temperature by ferric oxide or iron protoxide 3%～40%, high bauxite clay 55%～87%, quartzite powder 2%～10%, above-mentioned each material composition content sum; After the sinter molding in this ceramic packing the weight percent of each chemical ingredients be: silicon-dioxide 35%～63%; Aluminium sesquioxide 0.5%～2.5%; Ferric oxide 5%～45%; Calcium oxide 0.8%～2%; Magnesium oxide 18%～30%; Potassium oxide sodium 0.8%～2%, each component content sum is 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010244252 CN101913845A (en) | 2010-08-04 | 2010-08-04 | Ceramic packing with high iron content for wet-method gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010244252 CN101913845A (en) | 2010-08-04 | 2010-08-04 | Ceramic packing with high iron content for wet-method gas desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101913845A true CN101913845A (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010244252 Pending CN101913845A (en) | 2010-08-04 | 2010-08-04 | Ceramic packing with high iron content for wet-method gas desulfurization |
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| CN (1) | CN101913845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110860A (en) * | 2016-08-17 | 2016-11-16 | 沈阳汇川环境工程有限公司 | A kind of oxidative absorption high gravity desulfurization denitrating system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053016A (en) * | 1990-01-05 | 1991-07-17 | 李日政 | Porous packing made from light porcelain |
| CN1738768A (en) * | 2003-01-16 | 2006-02-22 | 拜尔材料科学股份公司 | Process for the desulfurization of carbon monoxide gas |
-
2010
- 2010-08-04 CN CN 201010244252 patent/CN101913845A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053016A (en) * | 1990-01-05 | 1991-07-17 | 李日政 | Porous packing made from light porcelain |
| CN1738768A (en) * | 2003-01-16 | 2006-02-22 | 拜尔材料科学股份公司 | Process for the desulfurization of carbon monoxide gas |
Non-Patent Citations (1)
| Title |
|---|
| 《低温与特气》 20031031 刘素明等 脱硫剂的研制 17-20 1 第21卷, 第5期 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110860A (en) * | 2016-08-17 | 2016-11-16 | 沈阳汇川环境工程有限公司 | A kind of oxidative absorption high gravity desulfurization denitrating system and method |
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Application publication date: 20101215 |