JPH0470243B2 - - Google Patents
Info
- Publication number
- JPH0470243B2 JPH0470243B2 JP20556684A JP20556684A JPH0470243B2 JP H0470243 B2 JPH0470243 B2 JP H0470243B2 JP 20556684 A JP20556684 A JP 20556684A JP 20556684 A JP20556684 A JP 20556684A JP H0470243 B2 JPH0470243 B2 JP H0470243B2
- Authority
- JP
- Japan
- Prior art keywords
- degraded
- sulfuric acid
- fluidized bed
- bed reactor
- recovering
- 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.)
- Expired
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 37
- 238000000895 extractive distillation Methods 0.000 claims description 11
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 10
- 150000008064 anhydrides Chemical class 0.000 claims description 9
- 239000006227 byproduct Substances 0.000 claims description 8
- 238000010574 gas phase reaction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 9
- 229910052770 Uranium Inorganic materials 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 239000011737 fluorine Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- WYICGPHECJFCBA-UHFFFAOYSA-N dioxouranium(2+) Chemical compound O=[U+2]=O WYICGPHECJFCBA-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011824 nuclear material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003671 uranium compounds Chemical class 0.000 description 1
- -1 uranium peroxide Chemical class 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20556684A JPS6186402A (ja) | 1984-10-02 | 1984-10-02 | 劣化ｕｆ↓６から無水フツ酸を回収・再利用する方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20556684A JPS6186402A (ja) | 1984-10-02 | 1984-10-02 | 劣化ｕｆ↓６から無水フツ酸を回収・再利用する方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6186402A JPS6186402A (ja) | 1986-05-01 |
| JPH0470243B2 true JPH0470243B2 (enrdf_load_html_response) | 1992-11-10 |
Family
ID=16509011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20556684A Granted JPS6186402A (ja) | 1984-10-02 | 1984-10-02 | 劣化ｕｆ↓６から無水フツ酸を回収・再利用する方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186402A (enrdf_load_html_response) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700533A1 (fr) * | 1994-01-17 | 1994-07-22 | Sequoyah Fuels Corp | Récupération d'acide fluorhydrique anhydre à partir d'hexafluorure d'uranium appauvri. |
| US5744116A (en) * | 1994-12-08 | 1998-04-28 | Cameco Corporation | Reaction of uranium fluorides with mineral acids to recover hydrogen fluoride |
| US6352677B1 (en) * | 1996-06-04 | 2002-03-05 | Alliedsignal, Inc. | Process to produce commercial grade anhydrous hydrogen fluoride (AHF) and uranium oxide from the delfuorination of uranium hexafluoride (UF6) |
| US8834830B2 (en) | 2012-09-07 | 2014-09-16 | Midwest Inorganics LLC | Method for the preparation of anhydrous hydrogen halides, inorganic substances and/or inorganic hydrides by using as reactants inorganic halides and reducing agents |
-
1984
- 1984-10-02 JP JP20556684A patent/JPS6186402A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6186402A (ja) | 1986-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4127644A (en) | Process for hydrogen production from water | |
| CS205083B2 (en) | Method of producing urea with the contemporary purification of obtained water | |
| JPS5843717B2 (ja) | 軽水及び重水からトリチウムを除去するための装置 | |
| US3959450A (en) | Preparation of pure bromine from aqueous hydrobromic acid solutions | |
| JPS647836B2 (enrdf_load_html_response) | ||
| US5417955A (en) | Manufacture of ferric sulfate and hydrochloric acid from ferrous chloride | |
| US3314753A (en) | Process for the decomposition of phosgene | |
| JPS61281019A (ja) | 六フツ化ウランを二酸化ウランに変換する方法 | |
| US5635152A (en) | Acid regeneration | |
| JPH0470243B2 (enrdf_load_html_response) | ||
| EP0016290B1 (en) | Continuous process for the removal of sulphur dioxide from waste gases, and hydrogen and sulphuric acid produced thereby | |
| CN85101146A (zh) | 处理含铵及氟离子废液的方法 | |
| GB2040283A (en) | Process for preparation of urea | |
| US2807574A (en) | Treatment of unreacted ammonia in the manufacture of urea | |
| US2988573A (en) | Process for producing phenol | |
| US2977194A (en) | Method of reducing aqueous radioactive nuclear wastes to solid form | |
| US3869543A (en) | Method for decomposing concentrated aqueous aluminum nitrate solutions | |
| US6235252B1 (en) | Method for recovering nitrate ions as nitric acid from nuclear industry effluents | |
| Murchie et al. | Uranium conversion and enrichment | |
| US3006859A (en) | Processing of radioactive waste | |
| CA2307975C (en) | Depleted uf6 processing plant and method for processing depleted uf6 | |
| US3010784A (en) | Process for making uranium hexafluoride | |
| US3091647A (en) | Process for the preparation of alkylene glycols | |
| US3338673A (en) | Recovery of substantially anhydrous hydrogen fluoride from an impure aqueous ammonium fluoride solution | |
| US3846256A (en) | Chemical trap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |