CN102142293A - Radioactive waste liquid treatment method - Google Patents
Radioactive waste liquid treatment method Download PDFInfo
- Publication number
- CN102142293A CN102142293A CN 201110050971 CN201110050971A CN102142293A CN 102142293 A CN102142293 A CN 102142293A CN 201110050971 CN201110050971 CN 201110050971 CN 201110050971 A CN201110050971 A CN 201110050971A CN 102142293 A CN102142293 A CN 102142293A
- Authority
- CN
- China
- Prior art keywords
- liquid waste
- radioactivity
- jelly
- hardening agent
- disposal route
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/16—Processing by fixation in stable solid media
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/006—Radioactive compounds
Abstract
The invention relates to a radioactive waste liquid treatment method which provides the convenience for the final treatment of waste liquid or radioactive waste liquid. The radioactive waste liquid treatment method is characterized in that the radioactive waste liquid treatment method comprises the following steps: adopting water absorbents to absorb the radioactive waste liquid, so that the radioactive waste liquid forms a radioactive jelly-state product; and taking the radioactive jelly-state product as raw material and utilizing curing agents to lead the radioactive jelly product to form a solidified body.
Description
Technical field
The present invention relates to the treatment technology, particularly radioactivity liquid waste disposal route of harmful liquid debris.
Background technology
The continuous development of science and technology has also brought stern challenge to some aspect of human lives continuing to promote social progress simultaneously.The application of nuclear energy technology is exactly a typical example.Huge contribution has been made in the modernization construction that develops into country of nuclear power industry, but effective, the reliable treatments of the radioactive waste of association are the great challenges that the mankind face always.
Radioactive waste has height harmfulness to environment.The processing of radioactive waste comprises control disposal and final disposal.The processing of radioactivity liquid waste is one of important content wherein.At present, the concentrated temporary storage in back is to a certain degree normally carried out in the processing of radioactivity liquid waste, this temporary storage exists great potential safety hazard, therefore be necessary radioactivity liquid waste or its concentrate are transformed into stable firming body, and and then be transported to safe place safely and permanently store to realize final disposal.
Therefore, working out disposal route efficient, the discarded liquid of radioactivity reliably is important, an eager problem.Given this, the inventor has invented the disposal route that related efficient, the reliable radioactivity of the application is discarded liquid by test.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, radioactivity liquid waste disposal route is provided.
Series technical project of the present invention is as follows:
The semi-solid preparation disposal route of liquid waste is characterized in that, adopts water absorbing agent to absorb liquid waste, makes liquid waste form jelly attitude product.
Adopt water absorbing agent to absorb before the liquid waste, adopt alkalescence or acid compound that the pH value of liquid waste is adjusted to neutrality.
With described jelly attitude product is raw material, utilizes hardening agent to make jelly attitude product form firming body.
Radioactivity liquid waste disposal route is characterized in that, adopts water absorbing agent to absorb the radioactivity liquid waste, makes the radioactivity liquid waste form radioactivity jelly attitude product; With described radioactivity jelly attitude product is raw material, utilizes hardening agent to make radioactivity jelly attitude product form firming body.
With described firming body is raw material, carries out the regelate moulding after being mixed into slurry with hardening agent, forms the regelate body.
To described firming body or the external back-up coat of establishing of regelate, described peripheral hardware back-up coat wraps up described firming body or regelate body.
Described hardening agent is phosphorous powder-type hardening agent, and described phosphorous powder-type hardening agent causes chemical curing reaction by adding after water stirs the formation slurry.
Described hardening agent is cement, glass, pitch.
Described back-up coat is phosphorous powder-type hardening agent, cement, glass, pitch and/or metal.
Adopt water absorbing agent to absorb before the radioactivity liquid waste, adopt alkalescence or acid compound that the pH value of liquid waste is adjusted to neutrality; Described water absorbing agent and described pH value are 1: 2～1: 500 for the weight ratio of neutral radioactivity liquid waste; The weight ratio of described radioactivity jelly attitude product in described firming body is 20%～95%.
Technique effect of the present invention is as follows:
The present invention provides convenience for the final disposal of liquid waste or radioactivity liquid waste.
Embodiment
The invention provides the preprocess method of radioactivity liquid waste, the curing and the regelate technology of the discarded liquid of radioactivity, the reinforcing encapsulation of solidifying products therefrom.
The present invention also provides the preprocess method of the discarded liquid of radioactivity, so that the discarded liquid of the radioactivity of different qualities can both be effectively addressed.
The present invention also provides the curing process of the discarded liquid of radioactivity, adopts described technology, helps realizing that zero of whole solidification process pollutes.
The present invention also provides regelate technology, adopts described technology, helps realizing that zero of whole solidification process pollutes.
Regelate technology of the present invention must not be performed when the actual treatment waste liquid.
The present invention also provides the reinforcing method for packing that solidifies products therefrom.
The preprocess method of radioactivity liquid waste, it is characterized in that: according to the chemical composition and the soda acid characteristic of the discarded liquid of radioactivity, the discarded liquid of radioactivity is carried out pre-service, regulate the pH value of liquid with alkalescence or acid compound, add a certain amount of water absorbing agent then, the discarded liquid of pretreated radioactivity is the jelly shape.Described alkali compounds is any alkali compounds.Described acid compound is any acid compound.
Described pH value should be as far as possible near 7.Described pH value departs from 7 and will have a negative impact to the water absorbing agent work efficiency.Described water absorbing agent is any water absorbing agent.The consumption of described water absorbing agent is decided according to the character of the discarded liquid of radioactivity and weight.The weight ratio of the discarded liquid of the weight of described water absorbing agent and radioactivity is: 1/2 to 1/500.
Curing process is characterized in that: evenly mix by a certain percentage with hardening agent, water as additive through the discarded liquid of pretreated, as to be jelly shape radioactivity, form slurry and and then curing.Described hardening agent can be but is not limited to phosphorous powder-type hardening agent.Described phosphorous powder-type hardening agent causes chemical curing reaction by adding after water stirs the formation slurry.
Described hardening agent can be but is not limited to conventional hardening agent such as cement.Described hardening agent can be but is not limited to conventional hardening agent such as glass.Described hardening agent can be but is not limited to conventional hardening agent such as pitch.
The discarded liquid of described process radioactivity pretreated, that be the jelly shape is 20%～95% as additive shared weight ratio in final finished.
Solidify the regelate of products therefrom, it is characterized in that: the one-step solidification products therefrom evenly mixes with hardening agent, water by a certain percentage as additive, forms slurry and and then regelate moulding.Described hardening agent can be but is not limited to phosphorous powder-type hardening agent.Described phosphorous powder-type hardening agent causes chemical curing reaction by adding after water stirs the formation slurry.Described hardening agent can be but is not limited to conventional hardening agent such as cement.Described hardening agent can be but is not limited to conventional hardening agent such as glass.Described hardening agent can be but is not limited to conventional hardening agent such as pitch.Described one-step solidification products therefrom is 20%～95% as additive shared weight ratio in final finished.
Solidify the reinforcing encapsulation of products therefrom, it is characterized in that: solidify products therefrom integral body and be coated with one deck back-up coat outward.
Described back-up coat can be but is not limited to phosphorous powder-type hardening agent.Described phosphorous powder-type hardening agent causes chemical curing reaction by adding after water stirs the formation slurry.Described back-up coat can be but is not limited to conventional hardening agent such as cement.Described back-up coat can be but is not limited to conventional hardening agent such as glass.Described back-up coat can be but is not limited to conventional hardening agent such as pitch.Described back-up coat can be but is not limited to metallic articles such as stainless steel.Described back-up coat thickness is 0-50 centimetre.Described back-up coat can by but be not limited to spraying coating process and realize.
The semi-solid preparation disposal route of liquid waste is characterized in that, adopts water absorbing agent to absorb liquid waste, makes liquid waste form jelly attitude product.Adopt water absorbing agent to absorb before the liquid waste, adopt alkalescence or acid compound that the pH value of liquid waste is adjusted to neutrality.With described jelly attitude product is raw material, utilizes hardening agent to make jelly attitude product form firming body.
Radioactivity liquid waste disposal route is characterized in that, adopts water absorbing agent to absorb the radioactivity liquid waste, makes the radioactivity liquid waste form radioactivity jelly attitude product; With described radioactivity jelly attitude product is raw material, utilizes hardening agent to make radioactivity jelly attitude product form firming body.With described firming body is raw material, carries out the regelate moulding after being mixed into slurry with hardening agent, forms the regelate body.To described firming body or the external back-up coat of establishing of regelate, described peripheral hardware back-up coat wraps up described firming body or regelate body.Described hardening agent is phosphorous powder-type hardening agent, and described phosphorous powder-type hardening agent causes chemical curing reaction by adding after water stirs the formation slurry.Described hardening agent is cement, glass, pitch.Described back-up coat is cement, glass, pitch and/or metal.Adopt water absorbing agent to absorb before the radioactivity liquid waste, adopt alkalescence or acid compound that the pH value of liquid waste is adjusted to neutrality; Described water absorbing agent and described pH value are 1: 2～1: 500 for the weight ratio of neutral radioactivity liquid waste; The weight ratio of described radioactivity jelly attitude product in described firming body is 20%～95%.
The so-called water absorbing agent of water absorbing agent is meant and can absorbs hundreds of times even thousands of times to the material of own wt water. because water absorbing agent suction back volumetric expansion and contain a large amount of water and formed the special state of a class between gel and solution.Water absorbing agent comprises water-absorbing resins, and for example, resin with superhigh hydroscopicity (SAP) is also referred to as water absorbing agent.
Indicate at this, more than narration helps those skilled in the art to understand the invention, but and the protection domain of unrestricted the invention.Any do not break away from the invention flesh and blood to being equal to replacement, modify improving and/or deleting numerous conforming to the principle of simplicity and the enforcement carried out of above narration, all fall into the protection domain of the invention.
Claims (10)
1. the semi-solid preparation disposal route of liquid waste is characterized in that, adopts water absorbing agent to absorb liquid waste, makes liquid waste form jelly attitude product.
2. the semi-solid preparation disposal route of liquid waste according to claim 1 is characterized in that, adopts water absorbing agent to absorb before the liquid waste, adopts alkalescence or acid compound that the pH value of liquid waste is adjusted to neutrality.
3. the semi-solid preparation disposal route of liquid waste according to claim 1 is characterized in that, is raw material with described jelly attitude product, utilizes hardening agent to make jelly attitude product form firming body.
4. radioactivity liquid waste disposal route is characterized in that, adopts water absorbing agent to absorb the radioactivity liquid waste, makes the radioactivity liquid waste form radioactivity jelly attitude product; With described radioactivity jelly attitude product is raw material, utilizes hardening agent to make radioactivity jelly attitude product form firming body.
5. radioactivity liquid waste disposal route according to claim 4 is characterized in that, is raw material with described firming body, carries out the regelate moulding after being mixed into slurry with hardening agent, forms the regelate body.
6. according to claim 4 or 5 described radioactivity liquid waste disposal routes, it is characterized in that to described firming body or the external back-up coat of establishing of regelate, described peripheral hardware back-up coat wraps up described firming body or regelate body.
7. radioactivity liquid waste disposal route according to claim 4 is characterized in that, described hardening agent is phosphorous powder-type hardening agent, and described phosphorous powder-type hardening agent causes chemical curing reaction by adding after water stirs the formation slurry.
8. radioactivity liquid waste disposal route according to claim 4 is characterized in that described hardening agent is cement, glass, pitch.
9. radioactivity liquid waste disposal route according to claim 6 is characterized in that described back-up coat is cement, glass, pitch and/or metal.
10. radioactivity liquid waste disposal route according to claim 4 is characterized in that, adopts water absorbing agent to absorb before the radioactivity liquid waste, adopts alkalescence or acid compound that the pH value of liquid waste is adjusted to neutrality; Described water absorbing agent and described pH value are 1: 2～1: 500 for the weight ratio of neutral radioactivity liquid waste; The weight ratio of described radioactivity jelly attitude product in described firming body is 20%～95%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110050971 CN102142293A (en) | 2011-03-03 | 2011-03-03 | Radioactive waste liquid treatment method |
| PCT/CN2011/071515 WO2012116499A1 (en) | 2011-03-03 | 2011-03-04 | Method for treating radioactive waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110050971 CN102142293A (en) | 2011-03-03 | 2011-03-03 | Radioactive waste liquid treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102142293A true CN102142293A (en) | 2011-08-03 |
Family
ID=44409735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110050971 Pending CN102142293A (en) | 2011-03-03 | 2011-03-03 | Radioactive waste liquid treatment method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102142293A (en) |
| WO (1) | WO2012116499A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976886A (en) * | 2016-05-10 | 2016-09-28 | 中国核电工程有限公司 | Radioactive waste curing method |
| CN108417287A (en) * | 2018-02-08 | 2018-08-17 | 武汉理工大学 | One kind discarding leaded CRT glass and high activity liquid waste cooperative processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106420A (en) * | 1985-10-04 | 1987-05-20 | 索马费尔公司 | Radioactive liquid waste is handled |
| JPH06226089A (en) * | 1993-02-02 | 1994-08-16 | Toyo Eng Corp | Radioactive waste water treating cement and formation of hardened body using the same |
| US20020147378A1 (en) * | 2001-04-09 | 2002-10-10 | Atkins Don C. | Process for disposing of liquids containing solid residue |
| CN101567227A (en) * | 2009-06-02 | 2009-10-28 | 武汉工程大学 | Method for treating nuclear waste water and device thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102800A (en) * | 1974-01-23 | 1975-08-14 | ||
| JPH0578283U (en) * | 1992-04-03 | 1993-10-26 | 株式会社朝日コーポレーション | Game toys |
| JPH08320397A (en) * | 1995-05-26 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Method for processing radioactive drain enriched liquid |
| EP2178093B1 (en) * | 2008-10-16 | 2010-11-24 | Orion Tech Anstalt | Treatment of liquid wastes containing heavy metals |
-
2011
- 2011-03-03 CN CN 201110050971 patent/CN102142293A/en active Pending
- 2011-03-04 WO PCT/CN2011/071515 patent/WO2012116499A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106420A (en) * | 1985-10-04 | 1987-05-20 | 索马费尔公司 | Radioactive liquid waste is handled |
| JPH06226089A (en) * | 1993-02-02 | 1994-08-16 | Toyo Eng Corp | Radioactive waste water treating cement and formation of hardened body using the same |
| US20020147378A1 (en) * | 2001-04-09 | 2002-10-10 | Atkins Don C. | Process for disposing of liquids containing solid residue |
| CN101567227A (en) * | 2009-06-02 | 2009-10-28 | 武汉工程大学 | Method for treating nuclear waste water and device thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976886A (en) * | 2016-05-10 | 2016-09-28 | 中国核电工程有限公司 | Radioactive waste curing method |
| CN108417287A (en) * | 2018-02-08 | 2018-08-17 | 武汉理工大学 | One kind discarding leaded CRT glass and high activity liquid waste cooperative processing method |
| CN108417287B (en) * | 2018-02-08 | 2020-04-21 | 武汉理工大学 | Method for co-processing waste lead-containing CRT glass and high-level radioactive waste liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012116499A1 (en) | 2012-09-07 |
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| 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: 20110803 |