CN109545419A - One kind is low to be placed with machine waste oil curing method formula and hardener formula - Google Patents
One kind is low to be placed with machine waste oil curing method formula and hardener formula Download PDFInfo
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- CN109545419A CN109545419A CN201811153997.9A CN201811153997A CN109545419A CN 109545419 A CN109545419 A CN 109545419A CN 201811153997 A CN201811153997 A CN 201811153997A CN 109545419 A CN109545419 A CN 109545419A
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- waste oil
- machine waste
- stearic acid
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- 239000002699 waste material Substances 0.000 title claims abstract description 68
- 238000001723 curing Methods 0.000 title claims abstract description 40
- 239000004848 polyfunctional curative Substances 0.000 title abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 31
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 25
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000008117 stearic acid Substances 0.000 claims abstract description 25
- 229920002678 cellulose Polymers 0.000 claims abstract description 19
- 239000001913 cellulose Substances 0.000 claims abstract description 16
- 239000002562 thickening agent Substances 0.000 claims abstract description 10
- 239000010815 organic waste Substances 0.000 claims abstract description 5
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 239000011800 void material Substances 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 90
- 239000007787 solid Substances 0.000 claims description 21
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims 2
- 230000000630 rising effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 22
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000012670 alkaline solution Substances 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 3
- 230000003588 decontaminative effect Effects 0.000 abstract description 3
- XRRONFCBYFZWTM-UHFFFAOYSA-N octadecanoic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCCC(O)=O XRRONFCBYFZWTM-UHFFFAOYSA-N 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 53
- 230000035699 permeability Effects 0.000 description 20
- 235000010980 cellulose Nutrition 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 8
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- 239000010913 used oil Substances 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 6
- 239000010721 machine oil Substances 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 208000004631 alopecia areata Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 235000013495 cobalt Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- -1 hydroxymethyl-propyl Chemical group 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 150000004668 long chain fatty acids Chemical class 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
Classifications
-
- 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
- G21F9/167—Processing by fixation in stable solid media in polymeric matrix, e.g. resins, tars
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Waste oil disposal technical field is put the invention belongs to low, and in particular to one kind is low to be placed with machine waste oil curing method formula and hardener formula.Technical solution: this method use is reacted in 70-100 DEG C of stearic acid with 5-15mol/L alkaline solution, generates hard hydrochlorate；And thickener cellulose is added, forming product stearic acid sodium is network structure, the interaction force of lipophilic group and oil molecule during being formed using stearic acid sodium inside the package oil suction of generated void space and product and oil suction.The utility model has the advantages that it is rapid to organic waste oil curing reaction, solidified body superior performance is formed, ability to cure is strong, volume reduction ratio is big, and comprehensive decontamination is at low cost, and test dose is less, and it is cheap, it is easy to purchase.
Description
Technical field
Put waste oil disposal technical field the invention belongs to low, and in particular to it is a kind of it is low be placed with machine waste oil curing method formula and
Hardener formula.
Background technique
Radioactivity waste oil includes highly viscous lubricating oil, pumping fluid, machine oil, rail oil etc., and mostly with the shape of miscella
Formula is temporary.Containing radionuclides such as tritium, strontium, caesium, cobalts in waste oil, temporary potential danger is very big for a long time.The master of waste oil disposal
Want method, generally take with solid-state can incinerating waste material merge carry out burning disposal mode handled.It is useless for no solid
The unit of object incinerating and treating device such as creates special incineration system for a small amount of fragmentary radioactivity waste oil and obviously lacks technology
Support in terms of economy.Therefore, these units generally select by it is low put waste oil and be transported to the unit of incineration system handle.
Since the Spent Radioactive alopecia areata of transport liquid is nearly larger, first waste oil solidification can be transported again, to reduce the transport wind of waste oil
Danger.Domestic existing curing agent is mostly such as diatomite vermiculite inorganic solidification agent, although these inorganic absorbent function admirables,
In burning disposal, volume reduction ratio is low, and level of residue is big after burning, is unfavorable for waste minimum.External existing curing agent such as N910 is solid
Agent cost is too high, less economical.Accordingly, it is desirable to provide a kind of volume reduction ratio is high, the low of good economy performance is placed with machine waste oil solidification side
Method formula and hardener formula.
Summary of the invention
It is an object of the invention to the problems low for existing curing agent volume reduction ratio, provide the low machine waste oil that is placed with of one kind and solidify
Method formula and hardener formula reduce temporary risk, convenient transportation to the list for having disposing capacity to put waste oil solidification for low
Position is disposed.
Technical scheme is as follows:
One kind is low to be placed with machine waste oil curing method, in turn includes the following steps,
Alkaline solution is added in low be placed in machine waste oil in step 1.；
Step 2. by be added alkaline solution it is low be placed with machine waste oil and be placed in 70~100 DEG C of water-bath heat, about
20min；
Then in low be placed in machine waste oil Stearic acid solids are added in step 3., and carry out stir about 2min to being fully cured,
Form the stearate solid that product is network structure, generated void space during being formed using stearate solid
Wrap up the interaction force of the lipophilic group and oil molecule inside oil suction and product and oil suction.
The alkali compounds is sodium hydroxide or potassium hydroxide.
Concentration 5~15mol/L of sodium hydroxide solution in the step 1, every milliliter low be placed with machine waste oil be added 0.1~
The sodium hydroxide solution of 0.3ml；In the step 3 every milliliter it is low be placed with machine waste oil addition Stearic acid solids quality be 0.2~
0.6g。
The step 3 is additionally added thickener in low be placed in machine waste oil, so that stearic acid and joined sodium hydroxide solution
It is low be placed with machine waste oil mixing it is more uniform.
The thickener is cellulose, and 0.05~0.2g cellulose is added in every milliliter of low is placed in machine waste oil.
Step 2 bath temperature is 90 DEG C.
Every milliliter of low Stearic acid solids quality for being placed with the addition of machine waste oil is 0.4g in the step 3.
The concentration of sodium hydroxide solution being added in the step 1 is 10mol/L, volume 0.2ml.
Low be placed with machine waste oil curing formula the present invention also provides a kind of, it is characterised in that: including sodium hydroxide solution and
Stearic acid solids, every milliliter low be placed in machine waste oil be added 0.1~0.3ml concentration be 5~15mol/L sodium hydroxide solution and
0.2~0.6g Stearic acid solids.
The above-mentioned low machine waste oil curing formula that is placed with further includes thickener, and thickener is cellulose, and the quality of cellulose is
0.05~0.2g.
It is above-mentioned it is low be placed with machine waste oil curing formula be every milliliter it is low be placed in machine waste oil be added 0.2ml concentration be 10mol/L
Sodium hydroxide solution and 0.4g Stearic acid solids.
The beneficial effects of the present invention are:
Compared with domestic and international existing curing technology, curing agent used in the present invention has following distinguishing feature: (1) to having
Machine waste oil curing reaction is rapid, and in organic waste oil mass in the case where 20-50ml scale, the reaction time is less than 2min；(2) it is formed
Solidified body superior performance, permeability rate are low less than 1%, viscosity, and the residual volume adhered to after being struck off using tool on the wall is small, heat
Stability is good；(3) the curing agent ability to cure formed using curing formula of the invention is strong；(4) reagent that curing formula uses
Most of is organic reagent, and volume reduction ratio is big after burning, volume reduction rate > 80%；(5) comprehensive decontamination is at low cost, test dose compared with
It is few, it is cheap, it is easy to purchase.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
Embodiment 1
Present embodiments provide it is a kind of it is low be placed with machine waste oil curing method, using in 70-100 DEG C of stearic acid and 5-15mol/
The reaction of L sodium hydroxide solution, generates odium stearate；And thickener cellulose is added, forming product odium stearate is network structure,
Lipophilic group and oil molecule during being formed using odium stearate inside the package oil suction of generated void space and product
Interaction force and oil suction；Then product is cooled to room temperature.
The present embodiment additionally provides this low formula for being placed with machine waste oil curing agent, claims according to the required dosage for solidifying machine oil
Measure the dosage of curing agent are as follows: 0.1~0.3ml sodium hydroxide solution (sodium hydroxide solution is added in every milliliter of low is placed in machine waste oil
5~15mol/L of concentration), 0.2~0.6g Stearic acid solids and 0.05~0.2g cellulose.
Wherein, every milliliter of machine oil is calculated by 1g, and wherein used oil mass fraction is 43.86~72.99%, sodium hydroxide matter
Amount score is 1.46~7.89%, water quality score is 7.30~13.6%, cellulose mass fraction is 3.65~8.77%, hard
Resin acid mass fraction is 14.6~26.32%.
Embodiment 2
The present embodiment on the basis of embodiment 1, commonly uses machine oil respectively, fetches the used oil from certain factory, from laboratory
TBP/OK and scintillation solution from laboratory tested respectively as machine oil to be processed, successively carry out following steps:
Step 1. configures the sodium hydroxide solution of 10mol/L first, with about 90ml water by 40g sodium hydroxide solution, to
It is transferred to constant volume in 100ml volumetric flask after liquid is cooling, 1g cellulose is then weighed and 4g stearic acid is stand-by.
20ml machine oil to be processed is added in step 2. in 100ml beaker, is wherein being added the configured 10mol/L's of 2ml
Sodium hydroxide solution is placed in 90 DEG C of water-bath and is heated about 20min.
1g cellulose and 4g stearic acid is added in step 3., and carries out stir about 2min to being fully cured, and beaker is taken out cold
But.
By experiment, it can be seen that the curing formula, which can dodge scintillation solution to 30% TBP/OK and liquid, completes solidification, and it is solid
Change effect is fine, and gained cured body strength is higher, without free fluid after cooling, and almost without wall sticking phenomenon.
Embodiment 3
The present embodiment is fetched from the low of certain factory on the basis of embodiment 1 and embodiment 2 and is placed with machine waste oil, to extensive
The low machine waste oil that is placed with solidified, successively carry out following steps:
Step 1. take it is low be placed with machine waste oil 1L, wherein be added the configured 10mol/L of 100ml sodium hydroxide solution；
Step 2. is placed in 90 DEG C of water-bath and is heated about 30min；
50g cellulose and 200g stearic acid is added in step 3., and carries out stir about 2min and be fully cured to waste oil, by beaker
Take out cooling.
Solidified body performance test: permeability rate, volatility, solidified body thermal stability is carried out to solidified body.
1. thermal stability test: take a certain amount of solidified body to be heated on temperature controllable type electrothermal baffle, 100 DEG C,
150 DEG C, 180 DEG C, 210 DEG C are heated 15 minutes respectively, and solidified body is without significant change (up to 210 DEG C of electric hot plate heating).
2. permeability rate is tested: four groups of solidified bodies carry out the experiment of permeability rate.
It weighs respectively after taking three filter paper constant weights.A certain amount of solidified body is added on filter paper, and is weighed, and places 30
It weighs again after it.
Solidified body quality weighing result
| Serial number | Filter paper weight (g) | Filter paper adds solidified body (g) | Solidified body net weight (g) |
| 1 | 4.344 | 30.578 | 26.234 |
| 2 | 4.328 | 29.244 | 24.916 |
| 3 | 4.342 | 27.922 | 23.580 |
| 4 | 4.399 | 28.472 | 24.133 |
Solidified body quality weighing result is weighed after 30 days
| Serial number | Filter paper weight (g) | Filter paper adds solidified body (g) | Solidified body net weight (g) |
| 1 | 4.428 | 28.687 | 24.259 |
| 2 | 4.396 | 22.669 | 18.273 |
| 3 | 4.462 | 25.764 | 21.302 |
| 4 | 4.447 | 26.871 | 22.424 |
Solidified body performance
| Serial number | Permeability weight (g) | Permeability rate (%) |
| 1 | 0.084 | 0.35 |
| 2 | 0.068 | 0.37 |
| 3 | 0.120 | 0.56 |
| 4 | 0.108 | 0.48 |
Volume reduction ratio experiment
| Serial number | Solidify body weight (g) | After directly burning remaining (g) | Volume reduction ratio (%) |
| 1 | 20.125 | 1.414 | 92.97 |
| 2 | 20.545 | 1.354 | 93.41 |
| 3 | 29.845 | 1.423 | 95.23 |
| 4 | 20.424 | 1.401 | 93.14 |
Performance parameter is as follows:
1. solidified body is without significant change when heating to solidified body for 100-210 DEG C.
2. measuring to solidified body permeability rate, solidified body permeability rate is 0.35%-0.56% after 30 days, and maximum value is
0.56%.
3. solidified body volume reduction ratio is 92.97%-95.23%.
Embodiment 4
The present embodiment on the basis of embodiment 1, fetches 4, the 20ml used oil sample from certain factory, 4ml is added wherein
The sodium hydroxide solution of configured 10mol/L is heated to 70,80,90,100 DEG C in water-bath respectively, and it is fine that 2g is then added
Dimension element and 8g stearic acid, and carry out stir about 2min and be fully cured to waste oil, beaker is taken out and is cooled down.Then for obtained production
Object carries out solidity test.
Experimental phenomena: 70-80 DEG C of condensation is slightly slow, and wall is glued without fluidity in surface；90-100 DEG C condensation rapidly, surface without
Fluidity, viscosity are smaller.The solidified body permeability rate and burning volume reduction ratio that above-mentioned experiment obtains meet the requirements.
Embodiment 5
On the basis of embodiment 1,6ml is added wherein and configures the present embodiment for the used oil from certain factory 20ml4
10mol/L sodium hydroxide solution, be placed in 90 DEG C of water-bath and heated about 20min, be added 3g cellulose and 12g it is hard
Resin acid, and carry out stir about 2min and be fully cured to waste oil, beaker is taken out and is cooled down.10.0g solidified body is taken to be solidified respectively
Body performance is measured:
| Serial number | Permeability weight | Permeability rate | It is remaining after directly burning | Volume reduction ratio |
| 1 | 0.014g | 0.14% | 1.62g | 83.80% |
| 2 | 0.014g | 0.14% | 1.59g | 84.10% |
| 3 | 0.013g | 0.13% | 1.57g | 84.30% |
| 4 | 0.013g | 0.13% | 1.57g | 84.30% |
Embodiment 6
The present embodiment on the basis of embodiment 1, fetches 3, the 20ml used oil sample from certain factory, 2ml is added wherein
The sodium hydroxide solution of configured 5mol/L is heated to 90 DEG C of addition 1g celluloses and 4g stearic acid in water-bath, goes forward side by side
Row stirring to waste oil is fully cured, and beaker is taken out and is cooled down.Solidified body curing time is 5 minutes.Beaker is taken out and is cooled down.Respectively
It takes 10.0g solidified body to carry out solidified body performance to be measured:
| Serial number | Permeability weight | Permeability rate | It is remaining after directly burning | Volume reduction ratio |
| 1 | 0.023g | 0.23% | 0.84g | 91.60% |
| 2 | 0.026g | 0.26% | 0.82g | 91.80% |
| 3 | 0.024g | 0.24% | 0.85g | 91.5% |
Embodiment 7
The present embodiment on the basis of embodiment 1, fetches 3, the 20ml used oil sample from certain factory, 2ml is added wherein
The sodium hydroxide solution of configured 10mol/L is heated to 90 DEG C of addition 1g celluloses and 4g stearic acid in water-bath, goes forward side by side
Row stirring to waste oil is fully cured, and beaker is taken out and is cooled down.Solidified body curing time is 2 minutes.Beaker is taken out and is cooled down.Respectively
It takes 10.0g solidified body to carry out solidified body performance to be measured:
| Serial number | Permeability weight | Permeability rate | It is remaining after directly burning | Volume reduction ratio |
| 1 | 0.018g | 0.18% | 0.92g | 90.80% |
| 2 | 0.017g | 0.17% | 0.94g | 90.60% |
| 3 | 0.018g | 0.18% | 0.94g | 90.60% |
Embodiment 8
The present embodiment on the basis of embodiment 1, fetches 3, the 20ml used oil sample from certain factory, 4ml is added wherein
The sodium hydroxide solution of configured 15mol/L is heated to 90 DEG C of addition 2g celluloses and 8g stearic acid in water-bath, goes forward side by side
Row stirring to waste oil is fully cured, and beaker is taken out and is cooled down.Solidified body curing time is 2 minutes.Beaker is taken out and is cooled down.Respectively
It takes 10.0g solidified body to carry out solidified body performance to be measured:
| Serial number | Permeability weight | Permeability rate | It is remaining after directly burning | Volume reduction ratio |
| 1 | 0.018g | 0.18% | 1.21g | 87.90% |
| 2 | 0.017g | 0.17% | 1.23g | 87.70% |
| 3 | 0.018g | 0.18% | 1.24g | 87.60% |
The present invention, which is reacted using bases with stearic acid, to be formed the principle progress of stearate and organic low puts the cured side of waste oil
Method.This formula provides alkaline condition using sodium hydroxide, it is possible to use methyl can be used in the bases reagent such as potassium hydroxide, thickener
The derivatives such as cellulose, ethyl cellulose, hydroxymethyl-propyl cellulose.
Compared with domestic and international existing curing technology, curing agent used in the present invention has following distinguishing feature: (1) originally
Invention is rapid to organic waste oil curing reaction, is less than 2min in the 20-50ml scale reaction time in organic waste oil mass.(2) solidify
Body superior performance: solidified body permeability rate is low less than 1%, solidified body viscosity, and on the wall residual is adhered to after striking off using tool
Surplus is small, and thermal stability is good, and at 200 DEG C, solidified body performance stablizes the big portion of curing agent used in (3) curing agent ability to cure strong (4)
It is divided into organic reagent, burning volume reduction rate is big, and the comprehensive decontamination of volume reduction rate > 80% (5) is at low cost, and test dose is less, and price is just
Preferably, it is easy to purchase.
The selection of the hardener formula absorbent of the present embodiment is mainly organic absorbent；In view of organic liquid waste polarity
It is small, the organics absorbents such as long chain fatty acids soap, cellulose, polyacrylic acid lipid are carried out the study found that single absorbent pair
The solidified body permeability rate of the weaker waste oil of polarity is higher, it is difficult to reach requirement.A variety of cooperation solidification effects are obviously improved and solid
A small amount of inorganic additive is added during changing to be reduced the phenomenon that solidified body glues wall and permeability rate is effectively reduced.Comprehensively consider solidification effect
Fruit, operation terseness and cost, select suitable absorbent to be combined.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.It is if these modifications and variations are within the scope of the claims of the present invention and its equivalent technology, then of the invention
It is also intended to include these modifications and variations.
Claims (10)
1. one kind is low to be placed with machine waste oil curing method, it is characterised in that: it in turn includes the following steps,
Step 1. is in the low solution for being placed with and alkali compounds being added in machine waste oil and configures；
Step 2. by it is above-mentioned it is low be placed with machine waste oil and be placed in 70-100 DEG C of water-bath heat；
Then Stearic acid solids are added in above-mentioned low be placed in machine waste oil in step 3., and be stirred to being fully cured, and are formed and are produced
Object is the hard hydrochlorate solid of network structure, and generated void space package is inhaled during being formed using hard hydrochlorate solid
Oil and product inside lipophilic group and oil molecule interaction force and oil suction.
2. one kind as described in claim 1 is low to be placed with machine waste oil curing method, it is characterised in that: the alkali compounds configuration
Solution be sodium hydroxide solution or potassium hydroxide solution.
3. one kind as claimed in claim 2 is low to be placed with machine waste oil curing method, it is characterised in that: the sodium hydroxide solution
Concentration is 5-15mol/L, every milliliter of low sodium hydroxide solution for being placed with machine waste oil and 0.1~0.3ml being added；It is every in the step 3
The low Stearic acid solids quality for being placed with the addition of machine waste oil of milliliter is 0.2~0.6g.
4. one kind as described in claim 1-3 low is placed with machine waste oil curing method, it is characterised in that: the step 3 is put low
It is additionally added thickener in organic waste oil, is placed with the mixing of machine waste oil more for making stearic acid and joined the low of sodium hydroxide solution
Uniformly.
5. one kind as described in claim 1-3 low is placed with machine waste oil curing method, it is characterised in that: the step 2 water-bath temperature
Degree is 90 DEG C.
6. one kind as described in claim 1-3 low is placed with machine waste oil curing method, it is characterised in that: every milli in the step 3
Rising the low Stearic acid solids quality for being placed with the addition of machine waste oil is 0.4g.
7. one kind as described in claim 1-3 low is placed with machine waste oil curing method, it is characterised in that: be added in the step 1
Concentration of sodium hydroxide solution be 10mol/L, volume 0.2ml.
8. low machine waste oil curing formula is placed with a kind of, it is characterised in that: including sodium hydroxide solution and Stearic acid solids, every milliliter
It is low to be placed in machine waste oil that 0.1~0.3ml concentration is added is that 5~15mol/L sodium hydroxide solution and 0.2~0.6g stearic acid are solid
Body.
9. one kind as claimed in claim 8 is low to be placed with machine waste oil curing formula, it is characterised in that: it further include thickener, every milli
It rises low be placed in machine waste oil and 0.05~0.2g cellulose is added as thickener.
10. a kind of as claimed in claim 8 or 9 low be placed with machine waste oil curing formula, it is characterised in that: every milliliter low to be placed with machine
2 × 10 are added in waste oil-3Mol sodium hydroxide and 0.4g Stearic acid solids.
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Cited By (1)
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| CN111799009A (en) * | 2020-07-31 | 2020-10-20 | 中核四川环保工程有限责任公司 | Method for solidifying radioactive waste scintillation liquid |
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