JPS6456139A - Adsorbent - Google Patents
AdsorbentInfo
- Publication number
- JPS6456139A JPS6456139A JP62210780A JP21078087A JPS6456139A JP S6456139 A JPS6456139 A JP S6456139A JP 62210780 A JP62210780 A JP 62210780A JP 21078087 A JP21078087 A JP 21078087A JP S6456139 A JPS6456139 A JP S6456139A
- Authority
- JP
- Japan
- Prior art keywords
- pyrophosphate
- adsorption
- type iii
- produced
- adsorbent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
PURPOSE:To enable adsorption of a large amt. of several kinds of basic substances in a short time to a small amt. of adsorbent, and to enable, particular ly, adsorption of a basic substance having a relatively large mol.wt. such as amines, etc., by using an adsorbent produced from type III Si pyrophosphate. CONSTITUTION:Type III Si pyrophosphate is produced by allowing SiO2 to react with large excess of phosphoric acid at >=350 deg.C, or by heating previously produced I type Si pyrophosphate with a large excess of phosphoric acid, etc. Said type III Si pyrophosphate has 1.5 max. acid strength and >=4.0meq/g acid quantity, having high adsorptivity to not only ammonia but also to amines having bulky molecular structure, having also high adsorption capacity and high initial adsorption velocity for many basic substances. Moreover, said adsorb ent is not decomposed nor degraded when it is heated at <=700 deg.C, so the adsorp tion capacity is not impaired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62210780A JPS6456139A (en) | 1987-08-25 | 1987-08-25 | Adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62210780A JPS6456139A (en) | 1987-08-25 | 1987-08-25 | Adsorbent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6456139A true JPS6456139A (en) | 1989-03-03 |
Family
ID=16595015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62210780A Pending JPS6456139A (en) | 1987-08-25 | 1987-08-25 | Adsorbent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6456139A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906004A (en) * | 2018-07-02 | 2018-11-30 | 上海清如环保科技有限公司 | A kind of preparation method except ammonia agent |
| CN110124608A (en) * | 2019-05-14 | 2019-08-16 | 中海油天津化工研究设计院有限公司 | A kind of preparation method of hexagonal structure silicon phosphate adsorbent |
| CN115193244A (en) * | 2022-06-27 | 2022-10-18 | 上海淳禧应用技术股份有限公司 | High-temperature solid ammonia removal polymer for CEMS and preparation method thereof |
-
1987
- 1987-08-25 JP JP62210780A patent/JPS6456139A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906004A (en) * | 2018-07-02 | 2018-11-30 | 上海清如环保科技有限公司 | A kind of preparation method except ammonia agent |
| CN110124608A (en) * | 2019-05-14 | 2019-08-16 | 中海油天津化工研究设计院有限公司 | A kind of preparation method of hexagonal structure silicon phosphate adsorbent |
| CN110124608B (en) * | 2019-05-14 | 2022-03-29 | 中海油天津化工研究设计院有限公司 | Preparation method of hexagonal silicon phosphate adsorbent |
| CN115193244A (en) * | 2022-06-27 | 2022-10-18 | 上海淳禧应用技术股份有限公司 | High-temperature solid ammonia removal polymer for CEMS and preparation method thereof |
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