CN103740484B - A kind of de-oiling composite detergent for adsorbent reactivation and uses thereof - Google Patents
A kind of de-oiling composite detergent for adsorbent reactivation and uses thereof Download PDFInfo
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- CN103740484B CN103740484B CN201310669918.0A CN201310669918A CN103740484B CN 103740484 B CN103740484 B CN 103740484B CN 201310669918 A CN201310669918 A CN 201310669918A CN 103740484 B CN103740484 B CN 103740484B
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- 239000003599 detergent Substances 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title abstract description 15
- 239000003463 adsorbent Substances 0.000 title abstract description 11
- 230000007420 reactivation Effects 0.000 title abstract description 5
- 239000002594 sorbent Substances 0.000 claims abstract description 56
- 239000000203 mixture Substances 0.000 claims abstract description 50
- -1 alkylbenzene sulfonate Chemical class 0.000 claims abstract description 28
- 150000003839 salts Chemical class 0.000 claims abstract description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000003945 anionic surfactant Substances 0.000 claims description 8
- 230000008439 repair process Effects 0.000 claims description 6
- 239000001205 polyphosphate Substances 0.000 claims description 5
- 235000011176 polyphosphates Nutrition 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 3
- 150000004996 alkyl benzenes Chemical group 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229960000892 attapulgite Drugs 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 58
- 239000013543 active substance Substances 0.000 abstract description 13
- 230000008929 regeneration Effects 0.000 abstract description 11
- 238000011069 regeneration method Methods 0.000 abstract description 11
- 230000001172 regenerating effect Effects 0.000 abstract description 9
- 150000001450 anions Chemical class 0.000 abstract description 5
- 239000004094 surface-active agent Substances 0.000 abstract description 3
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 36
- 230000008569 process Effects 0.000 description 27
- 238000001354 calcination Methods 0.000 description 9
- 238000003756 stirring Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
- 238000007046 ethoxylation reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000005466 alkylenyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010850 salt effect Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 230000019635 sulfation Effects 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Abstract
The invention provides a kind of de-oiling composite detergent for adsorbent reactivation.This washing composition contains 10% one 30% tensio-active agents, and described tensio-active agent contains: the Main Anions tensio-active agent of the alkylbenzene sulfonate, alkylbenzene hydrochloride and composition thereof of (1) 6%-10%; (2) alkyl ethoxy ether sulfate of 3%-8% and the lauryl sodium sulfate surfactant of 4%-10%; (3) the alkylphenol polyoxyethylene mixture of 2%-6%, it is 1:2-1:3 with the ratio of Main Anions tensio-active agent; (4) builder salt of 7%-20%.This composite detergent spent sorbents can effective regeneration transformer oil purifying treatment sorbent material, shows that dielectric loss falls in the sorbent material after regenerating and sweetening power all slightly improves than novel sorbents through experimental study.
Description
Technical field
The present invention relates to a kind of de-oiling composite detergent for adsorbent reactivation and uses thereof, be mainly used in the effective regeneration of transformer oil purifying treatment sorbent material.
Background technology
Enhancing conservation of resources realized along with country, enterprise and attention; people are to the research of the physicochemical property of oil for electric power; to useless oil handling; to the consequence that its wasting of resources caused produces; there is more further understanding, impelled country, enterprise formulated and put into effect multiple about oil for electric power recycling management method and regulation.Example is regenerated as with the transformer oil that Xiaogan Heng Yuan Utilities Electric Co. carries out, when the transformer of a process 220KV, about about 50 tons of transformer oil, 5 tons, sorbent material is needed according to the maximum usage ratio of sorbent material, production cost 34000 yuan, add the expenses about 30000 yuan such as artificial maintenance, the transformer oil total price of an adsorption treatment 220KV needs about 70,000 yuan.But change the transformer oil of a 220KV, by the market reference valency oil price 10,000 yuan/ton of 2012, total price of changing oil obtained about 500,000 yuan, and adsorption treatment transformer oil has saved about more than 40 ten thousand yuan than changing transformer oil, has considerable economic benefit.
The XDK series oil for electric power regeneration special utility high-efficiency adsorbent of Heng Yuan company research and development is the sci-tech products having autonomous property right, application through for many years achieves good achievement, but the improper process of the sorbent material after oil treatment engineering can bring sizable environment and processing cost, to this, we are through exploration for many years, constantly improve the reclaiming process of sorbent material, the de-oiling composite detergent of development of new is used for the regeneration of sorbent material, to realizing effective recycling of resource while reducing sorbent material application cost.
Summary of the invention
In view of the needs of sorbent material highly efficient regeneration and considering of Environmental costs, the invention provides a kind of de-oiling composite detergent for adsorbent reactivation and uses thereof, gained washing composition can be used in the effective regeneration of transformer oil purifying treatment sorbent material, time needed for effective shortening regenerative process, reduce the discharge of dusty gas in regenerative process simultaneously, show that dielectric loss falls in the sorbent material after regenerating and sweetening power all slightly improves than novel sorbents through experimental study.
Technical scheme provided by the invention is: a kind of detergent composition, comprising: (1)
The anion surfactant of 6wt%-10 wt%; (2) ethoxylated alkyl ether of 3wt%-8wt%
The sodium lauryl sulphate of vitriol and 4wt%-10wt%; (3) mixture (OP-10) of the alkylphenol polyoxyethylene of 2wt%-6wt%, and be 1:2-1:3 with the ratio of anion surfactant; (4) builder salt of 7wt%-20wt%; (5) water of surplus.Wherein anion surfactant is alkylbenzene sulfonate or alkylbenzene hydrochloride or alkylbenzene sulfonate and alkylbenzene hydrochloride mixture, the particularly alkyl benzene sulfonate tensio-active agent of C9-13, as LAS etc., other applicable anion surfactant also comprises soap class, fatty vinegar class etc.
Said components (1) and component (2) sum are 16 wt %-28 wt %, and alkyl ethoxy ether sulfate (C9-13) every mole, tensio-active agent has average about 1-7 moles; The ratio of anion surfactant and alkyl ethoxy ether sulfate weight is in 3:1 to 1:1 scope.
The present invention is also selected from the washing assistant of the mixture of poly-phosphate or silico-aluminate or poly-phosphate and silico-aluminate containing 7%-20%.
The application of detergent composition of the present invention in the regenerative process of oil purification process sorbent material.
Described sorbent material comprises gac, diatomite or Attapulgite, and described oil is deteriorated transformer oil.
Condition when the present invention uses is: washing time (30-60 minute), wash temperature (60-65 DEG C) and aftertreatment rinse temperature (80-85 DEG C).
The present invention can be used in the regenerative process of oil purification process sorbent material, can effective regeneration transformer oil purifying treatment sorbent material, and through the sorbent material of de-oiling regenerating washing agent process, its energy force rate novel sorbents falling dielectric loss is slightly high.Relative to water-boiling method, the regeneration treatment time of de-oiling washing composition shortens greatly, and required Heating temperature reduces nearly 100 DEG C, only has a small amount of black smoke to emerge in treating processes, does not substantially have the discharge of dusty gas by conduit after importing discarded de-oiling washing composition.
Embodiment
The present invention is primarily of tensio-active agent and the composite de-oiling composite detergent of washing assistant, and form is liquid, comprises following compositions:
(1) the Main Anions tensio-active agent alkyl of the alkylbenzene sulfonate, alkylbenzene hydrochloride and composition thereof of 6%-10% is saturated alkyl or alkenyl or its mixture, and its average carbon atom number mostly is 9-13.Side chain or mixing branch-alkylbenzene sulfonate are called ABS, and linear alkylbenzene sulfonate is referred to as LAS, and it is than ABS more readily biodegradable, is therefore preferred for this invention;
(2) alkyl ethoxy ether sulfate (AES) of 3%-8% and sodium lauryl sulphate (K12) tensio-active agent of 4%-10%.Alkyl ethoxy ether sulfate surfactant structure formula used in the present composition is as follows:
R’’’O(C
2H
4O)
XSO
3M
In above formula, R ' ' ' is the alkyl of about 10 to 20 carbon atoms, is preferably saturated, the alkyl of straight chain.In above formula, X represents " ethoxylation degree " (the ethoxy group number in each molecule), and its distribution of this numerical value is very wide.This is because when making raw alcohol ethoxylation form ethoxylated alkyl ether (before sulfation) with oxyethane, in result per molecule, the distribution of ethoxy radix can be very wide, the present invention preferably wherein every mole, alkyl ethoxy ether sulfate tensio-active agent have average about 1-7 moles.
(3) mixture (OP-10) of the alkylphenol polyoxyethylene of 2%-6%, it is 1:2-1:3 with the ratio of Main Anions tensio-active agent;
(4) builder salt of 7%-20%, its main component is selected from poly-phosphate and silicoaluminate
Salt.
Provide embodiments of the invention below, by embodiment, the present invention is specifically described.Be necessary to herein means out, embodiment, just to further instruction of the present invention, can not be interpreted as limitation of the scope of the invention, and person skilled in art can make some adjustment to content of the present invention.
Embodiment 1:
De-oiling washing composition is by following ingredients preparation:
Surplus is water.System component is added to the water stirring successively, and thermostatic bath temperature is set as 60 to 70 degrees Celsius, stirs about 20 to 30 minutes again after composition all adds, and bottles stand-by.
Test method illustrates: learnt from else's experience on being XDK-2 type that poor quality oil soaks 48 hours of poach method of reproduction (C) falls dielectric loss sorbent material and carries out poach, water temperature controls at 80-85 DEG C, 12 hours time, water is changed once every one hour, until the water surface occurs without greasy dirt, the volume ratio of water and sorbent material is 100:1.Take out the sorbent material boiled and put into 100 DEG C of oven for drying, then put into 550 DEG C of retort furnace calcinations 5 hours, cool stand-by; De-oiling regenerating washing agent method (D) is that learnt from else's experience XDK-2 type that poor quality oil soaks 48 hours falls dielectric loss sorbent material and puts into de-oiling washing composition, temperature controls at 60-65 DEG C, the volume ratio of washing composition and sorbent material is 100:1, washing time 1 hour, washing times 2 times, then water (80-85 DEG C) soaking flushing 3 times are used, each half an hour time.Dry in the baking oven that then sorbent material after process puts into 100 DEG C, then put into 450 DEG C of retort furnace calcinations 4 hours, cool stand-by; De-oiling regenerating washing agent method (E) is that learnt from else's experience XDK-2 type that poor quality oil soaks 48 hours falls dielectric loss sorbent material and puts into de-oiling washing composition, temperature controls at 60-65 DEG C, the volume ratio of washing composition and sorbent material is 100:1, washing time 1 hour, washing times 2 times, then water (80-85 DEG C) soaking flushing 3 times are used, each half an hour time.Dry in the baking oven that sorbent material after process puts into 100 DEG C, then put into 500 DEG C of retort furnace calcinations 4 hours, cool stand-by.
What the sorbent material of different modes process is used for poor quality oil falls dielectric loss process, and the oily dielectric loss (use AI-6000 dielectric loss instrument, cleaning lubricating cup does empty cup dielectric loss) recorded is as follows:
Find out from test-results, through the sorbent material of de-oiling regenerating washing agent process, its energy force rate novel sorbents falling dielectric loss is slightly high, may be to make that the skeleton structure of sorbent material is more expanded, specific surface area is larger due to the abundant washing in regenerative process and secondary calcination.Relative to water-boiling method, the regeneration treatment time of de-oiling washing composition shortens about 2/3rds, required Heating temperature reduces 100 DEG C, only has a small amount of black smoke to emerge in treating processes, does not substantially have the discharge of dusty gas by conduit after importing discarded de-oiling washing composition.
Embodiment 2:
De-oiling washing composition is by following ingredients preparation:
Surplus is water.System component is added to the water stirring successively, and thermostatic bath temperature is set as 60 to 70 degrees Celsius, stirs about 20 to 30 minutes again after composition all adds, and bottles stand-by.
Test method illustrates: the XDK-2 type that poor quality oil of learning from else's experience soaks 48 hours falls dielectric loss sorbent material and puts into de-oiling washing composition, temperature controls at 60-65 DEG C, the volume ratio of washing composition and sorbent material is 100:1, washing time 1 hour, washing times 2 times, then water (80-85 DEG C) soaking flushing 3 times are used, each half an hour time.Dry in the baking oven that sorbent material after process puts into 100 DEG C, then put into 500 DEG C of retort furnace calcinations 4 hours, cool stand-by.
What the sorbent material of the de-oiling washing composition process of different ratio is used for poor quality oil falls dielectric loss process, and the oily dielectric loss (use AI-6000 dielectric loss instrument, cleaning lubricating cup does empty cup dielectric loss) recorded is as follows:
| Numbering | A | B | C | D |
| Dielectric loss value (%) | 6.102 | 6.026 | 5.946 | 6.014 |
Find out from test-results, effectively adsorptive power can both be replied by the sorbent material of the de-oiling washing composition process of different ratio, in use reduce the dielectric loss of poor quality oil, by Data Comparison can find wherein washing assistant rise dielectric loss limited use falls, appropriate washing assistant can improve the uniformity coefficient of washing composition, but content may occur that more than 10 surfactant dissolves insufficient problem, makes washing composition occur obvious layering, and wherein reason may be salt effect.
Embodiment 3:
De-oiling washing composition is by following ingredients preparation:
Surplus is water.System component is added to the water stirring successively, and thermostatic bath temperature is set as 60 to 70 degrees Celsius, stirs about 20 to 30 minutes again after composition all adds, and bottles stand-by.
Test method illustrates: the XDK-2 type that poor quality oil of learning from else's experience soaks 48 hours falls dielectric loss sorbent material and puts into de-oiling washing composition, temperature controls at 60-65 DEG C, the volume ratio of washing composition and sorbent material is 100:1, washing time 1 hour, washing times 2 times, then water (80-85 DEG C) soaking flushing 3 times are used, each half an hour time.Dry in the baking oven that sorbent material after process puts into 100 DEG C, then put into 500 DEG C of retort furnace calcinations 4 hours, cool stand-by.
What the sorbent material of the de-oiling washing composition process of different ratio is used for poor quality oil falls dielectric loss process, and the oily dielectric loss (use AI-6000 dielectric loss instrument, cleaning lubricating cup does empty cup dielectric loss) recorded is as follows:
| Numbering | A | B | C | D |
| Dielectric loss value (%) | 8.232 | 5.893 | 5.912 | 6.006 |
Observe in process of the test, the sorbent material of C, D process still has the remnants (foaming power of its washing lotion is apparently higher than A, B treating processes) of washing composition after the flushing of 3 hot water in washing lotion, and the turbidity of C, D washing composition is higher, layering is there is after being long placed in (24 hours), this is because the solubleness of the mixture of oxygen Vinyl Ether (OP-10) in water is not high, it is limited for relying on other tensio-active agents to improve its deliquescent effect.By the sorbent material after regeneration, dielectric loss test and comparison falls, can find out that the mixture (OP-10) adding oxygen Vinyl Ether effectively can improve regeneration effect, this is mainly because its good emulsifying performance can oil effectively in wash-out sorbent material, but consumption can reduce on the contrary more than 6 percent, and wherein reason may be cause residual more owing to cleaning difficulty later.In sum, in washing composition composition, the content of alkylphenol polyoxyethylene mixture (OP-10) is 2%-6%, and it is 1:2-1:3 with the ratio of Main Anions tensio-active agent.
Embodiment 4:
De-oiling washing composition is by following ingredients preparation:
Surplus is water.System component is added to the water stirring successively, and thermostatic bath temperature is set as 60 to 70 degrees Celsius, stirs about 20 to 30 minutes again after composition all adds, and bottles stand-by.
Test method illustrates: poach method of reproduction (C) the XDK-6 type desulfuration adsorbent that poor quality oil soaks 48 hours of learning from else's experience on being carries out poach, water temperature controls at 80-85 DEG C, 12 hours time, water is changed once every one hour, until the water surface occurs without greasy dirt, the volume ratio of water and sorbent material is 100:1.Take out the sorbent material boiled and put into 100 DEG C of oven for drying, then put into 550 DEG C of retort furnace calcinations 5 hours, cool stand-by; De-oiling regenerating washing agent method (D) is that the XDK-6 type desulfuration adsorbent that poor quality oil soaks 48 hours of learning from else's experience puts into de-oiling washing composition, temperature controls at 60-65 DEG C, the volume ratio of washing composition and sorbent material is 100:1, washing time 1 hour, washing times 2 times, then water (80-85 DEG C) soaking flushing 3 times are used, each half an hour time.Dry in the baking oven that then sorbent material after process puts into 100 DEG C, then put into 450 DEG C of retort furnace calcinations 4 hours, cool stand-by; De-oiling regenerating washing agent method (E) is that the XDK-6 type desulfuration adsorbent that poor quality oil soaks 48 hours of learning from else's experience puts into de-oiling washing composition, temperature controls at 60-65 DEG C, the volume ratio of washing composition and sorbent material is 100:1, washing time 1 hour, washing times 2 times, then water (80-85 DEG C) soaking flushing 3 times are used, each half an hour time.Dry in the baking oven that sorbent material after process puts into 100 DEG C, then put into 500 DEG C of retort furnace calcinations 4 hours, cool stand-by.
The sorbent material of different modes process is used for the desulfurization process of poor quality oil, the sulphur content recorded (using WK-2E type Microcoulomb comprehensive analysis instrument to measure) is as follows:
Find out from test-results, through the desulfuration adsorbent of de-oiling regenerating washing agent process, relative to novel sorbents and water-boiling method treating processes, sulfur capacity has further raising, illustrate that washing composition can the inner skeleton structure of purifying adsorbent, increase the avtive spot of desulfurization.
Claims (5)
1. the application of detergent composition in the regenerative process of oil purification process sorbent material, described detergent composition comprises: the anion surfactant of (1) 6wt%-10 wt%; (2) alkyl ethoxy ether sulfate of 3wt%-8wt% and the sodium lauryl sulphate of 4wt%-10wt%; (3) the alkylphenol polyoxyethylene mixture of 2wt%-6wt%; (4) builder salt of 7wt%-20wt%; (5) water of surplus; Wherein anion surfactant is alkylbenzene sulfonate or alkylbenzene hydrochloride or alkylbenzene sulfonate and alkylbenzene hydrochloride mixture.
2. application according to claim 1, is characterized in that: described sorbent material comprises gac, diatomite or Attapulgite, and described oil is deteriorated transformer oil.
3. application according to claim 1 and 2, is characterized in that: the atomic number of alkyl carbon in described alkyl ethoxy ether sulfate is 10 to 20.
4. application according to claim 1 and 2, is characterized in that: component (1) and component (2) sum are 16 wt %-28 wt %, and alkyl ethoxy ether sulfate every mole has average 1-7 moles; The ratio of anion surfactant and alkyl ethoxy ether sulfate weight is in 3:1 to 1:1 scope.
5. application according to claim 1 and 2, is characterized in that: described builder salt is selected from the mixture of poly-phosphate or silico-aluminate or poly-phosphate and silico-aluminate.
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| CN104437357A (en) * | 2014-10-20 | 2015-03-25 | 安徽省宿州市龙华机械制造有限公司 | Antibacterial modified active carbon desulfurizing particles prepared from tobacco stems and tea seed hulls and preparation method of antibacterial modified active carbon desulfurizing particles |
| CN105268420A (en) * | 2015-11-11 | 2016-01-27 | 国网山东郯城县供电公司 | Deoiling composite detergent for adsorbent regeneration |
| CN106701299A (en) * | 2016-12-03 | 2017-05-24 | 国家电网公司 | Waste transformer insulating oil collection and recycling method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101784648A (en) * | 2007-06-04 | 2010-07-21 | 埃斯波化学株式会社 | Cleaning agent |
| CN102102050A (en) * | 2009-12-22 | 2011-06-22 | 江西凤凰富士能光学有限公司 | Optical element cleaning agent and cleaning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101784648A (en) * | 2007-06-04 | 2010-07-21 | 埃斯波化学株式会社 | Cleaning agent |
| CN102102050A (en) * | 2009-12-22 | 2011-06-22 | 江西凤凰富士能光学有限公司 | Optical element cleaning agent and cleaning method thereof |
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