CN103011199A - Process for deamination and degasification of filtrated stock generated during alkali making - Google Patents
Process for deamination and degasification of filtrated stock generated during alkali making Download PDFInfo
- Publication number
- CN103011199A CN103011199A CN2012105772184A CN201210577218A CN103011199A CN 103011199 A CN103011199 A CN 103011199A CN 2012105772184 A CN2012105772184 A CN 2012105772184A CN 201210577218 A CN201210577218 A CN 201210577218A CN 103011199 A CN103011199 A CN 103011199A
- Authority
- CN
- China
- Prior art keywords
- filtrated stock
- deamination
- generated during
- degasification
- during alkali
- 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
Abstract
The invention discloses a process for deamination and degasification of filtrated stock generated during alkali making. The process is characterized by comprising the following steps of: continuously inputting the filtrated stock generated during alkali making and hydrochloric acid into an acid-proof open container in a reactive mixture ratio; and uniformly mixing until the pH value is equal to 5.8 to 6.5 to finish acidification, wherein free ammonia in the filtrated stock is transformed into fixed ammonium, and carbon dioxide gas is released at the same time. By adopting the process, special equipment is not required, the investment is low, and the investment of capital construction is only 1/100 of that of a physical distillation method; steam and other energy are not consumed, so that the use cost is reduced; and the reaction is finished instantly, so that the production efficiency is high, and the process is convenient to operate.
Description
Technical field
The present invention relates to a kind of chemical production technical, particularly a kind of alkaline filtrated stock deamination degasification technique.
Background technology
In the Chemical Manufacture, when hot method is produced ammonium chloride, exist the alkaline filtrated stock is carried out the degassed treating processes of deamination, carry out smoothly to guarantee evaporation, reclaim the ammonium chloride composition in the mother liquor.At present, generally adopt the method that filtrated stock is added thermal distillation to carry out deamination degassed, production efficiency is low, expends a large amount of steam sources, and equipment is huge, and cost is high.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned weak point, and provide a kind of investment little, production efficiency is high, easy to operate alkaline filtrated stock deamination degasification technique.
For achieving the above object, the treatment process of the present invention's employing is: according to reaction ratio, respectively alkaline filtrated stock, hydrochloric acid are inputted in the acidproof open container continuously, evenly be mixed to pH=5.8～6.5, finish acidification reaction NH
4HCO
3+ HCI NH
4CI+H
2O+CO
2↑, (NH
4) CO
3+ 2HCI 2NH
4CI+H
2O+CO
2↑, the free ammonia in the mother liquor is transformed into fixedly ammonium, analyses simultaneously and emits carbon dioxide.
The present invention does not need specific installation owing to adopting above chemical treatment method, invests littlely, and initial cost only has 1 ∕ 100 of physics distillation method; Without steam and other energy consumptions, use cost is low; React moment and finish, production efficiency is high, and is easy to operate.
Embodiment
Select uncovered plastics reaction container, according to reaction ratio, respectively alkaline filtrated stock, hydrochloric acid are inputted in the bucket continuously, evenly mix, be neutralized to pH=5.8～6.5, finish acidification reaction NH
4HCO
3+ HCI NH
4CI+H
2O+CO
2↑, (NH
4) CO
3+ 2HCI 2NH
4CI+H
2O+CO
2↑, the free ammonia moment in the mother liquor is transformed into fixedly ammonium, analyses simultaneously and emits carbon dioxide, by the uncovered discharge of bucket.The gained fixedly chemical of ammonium is stable especially, does not decompose under the temperature below 110 ℃, guarantees that hot method produces ammonium chloride and carry out smoothly.
Claims (1)
1. an alkaline filtrated stock deamination degasification technique is characterized in that according to reaction ratio, respectively alkaline filtrated stock, hydrochloric acid is inputted in the acidproof open container continuously, evenly is mixed to pH=5.8～6.5, finishes acidification reaction NH
4HCO
3+ HCI NH
4CI+H
2O+CO
2↑, (NH
4) CO
3+ 2HCI 2NH
4CI+H
2O+CO
2↑, the free ammonia in the mother liquor is transformed into fixedly ammonium, analyses simultaneously and emits carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105772184A CN103011199A (en) | 2012-12-27 | 2012-12-27 | Process for deamination and degasification of filtrated stock generated during alkali making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105772184A CN103011199A (en) | 2012-12-27 | 2012-12-27 | Process for deamination and degasification of filtrated stock generated during alkali making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103011199A true CN103011199A (en) | 2013-04-03 |
Family
ID=47960381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105772184A Pending CN103011199A (en) | 2012-12-27 | 2012-12-27 | Process for deamination and degasification of filtrated stock generated during alkali making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103011199A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087063A (en) * | 1993-06-23 | 1994-05-25 | 河北奥瑞金镁碱化工研究所 | Process for combination producing of magnesium base |
| US6576209B2 (en) * | 1998-03-04 | 2003-06-10 | Asahi Glass Company Ltd. | Process for producing sodium salts |
| CN101244829A (en) * | 2008-03-26 | 2008-08-20 | 周小平 | Industrialization technique for processing alkali-making mother solution with hot method, producing ammonium chloride |
| CN101302016A (en) * | 2008-05-24 | 2008-11-12 | 周游 | Hydrochloric acid neutralisation degasification method for alkali making filtrated stock |
-
2012
- 2012-12-27 CN CN2012105772184A patent/CN103011199A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087063A (en) * | 1993-06-23 | 1994-05-25 | 河北奥瑞金镁碱化工研究所 | Process for combination producing of magnesium base |
| US6576209B2 (en) * | 1998-03-04 | 2003-06-10 | Asahi Glass Company Ltd. | Process for producing sodium salts |
| CN101244829A (en) * | 2008-03-26 | 2008-08-20 | 周小平 | Industrialization technique for processing alkali-making mother solution with hot method, producing ammonium chloride |
| CN101302016A (en) * | 2008-05-24 | 2008-11-12 | 周游 | Hydrochloric acid neutralisation degasification method for alkali making filtrated stock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |