CN104624610B - A kind of chromium pollution construction waste washing agent - Google Patents
A kind of chromium pollution construction waste washing agent Download PDFInfo
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- CN104624610B CN104624610B CN201510032474.9A CN201510032474A CN104624610B CN 104624610 B CN104624610 B CN 104624610B CN 201510032474 A CN201510032474 A CN 201510032474A CN 104624610 B CN104624610 B CN 104624610B
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- 239000011651 chromium Substances 0.000 title claims abstract description 55
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 43
- 239000002699 waste material Substances 0.000 title claims abstract description 43
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000005406 washing Methods 0.000 title claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 15
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 12
- AXJDEHNQPMZKOS-UHFFFAOYSA-N acetylazanium;chloride Chemical compound [Cl-].CC([NH3+])=O AXJDEHNQPMZKOS-UHFFFAOYSA-N 0.000 claims abstract description 12
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 12
- 239000011976 maleic acid Substances 0.000 claims abstract description 12
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 claims abstract description 12
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 33
- RJKFOVLPORLFTN-LEKSSAKUSA-N Progesterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RJKFOVLPORLFTN-LEKSSAKUSA-N 0.000 claims description 18
- -1 N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride Chemical compound 0.000 claims description 11
- 150000008065 acid anhydrides Chemical class 0.000 claims description 11
- 235000019439 ethyl acetate Nutrition 0.000 claims description 11
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- GFMRZAMDGJIWRB-UHFFFAOYSA-N 5-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid Chemical compound CC(C)(C)OC(=O)NCCCCC(O)=O GFMRZAMDGJIWRB-UHFFFAOYSA-N 0.000 claims description 10
- 229960002684 aminocaproic acid Drugs 0.000 claims description 10
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 229960003387 progesterone Drugs 0.000 claims description 9
- 239000000186 progesterone Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 abstract description 12
- 150000001844 chromium Chemical class 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002242 deionisation method Methods 0.000 abstract description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 239000002689 soil Substances 0.000 description 12
- 239000002585 base Substances 0.000 description 11
- 239000000523 sample Substances 0.000 description 10
- 239000012459 cleaning agent Substances 0.000 description 7
- 229910001385 heavy metal Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WLRMANUAADYWEA-ASSQPYIHSA-N (z)-but-2-enedioic acid;(2r)-1-(tert-butylamino)-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol Chemical compound OC(=O)\C=C/C(O)=O.CC(C)(C)NC[C@@H](O)COC1=NSN=C1N1CCOCC1 WLRMANUAADYWEA-ASSQPYIHSA-N 0.000 description 1
- HXFOXFJUNFFYMO-UHFFFAOYSA-N 2-Acetamido-4-amino-4-oxobutanoic acid Chemical compound CC(=O)NC(C(O)=O)CC(N)=O HXFOXFJUNFFYMO-UHFFFAOYSA-N 0.000 description 1
- XSDKSXYJOKNMQQ-UHFFFAOYSA-N 2-butyl-2-ethylheptanoic acid Chemical group CCCCCC(CC)(C(O)=O)CCCC XSDKSXYJOKNMQQ-UHFFFAOYSA-N 0.000 description 1
- 238000000184 acid digestion Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 229960002819 diprophylline Drugs 0.000 description 1
- KSCFJBIXMNOVSH-UHFFFAOYSA-N dyphylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1N(CC(O)CO)C=N2 KSCFJBIXMNOVSH-UHFFFAOYSA-N 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- LNOQURRKNJKKBU-UHFFFAOYSA-N ethyl piperazine-1-carboxylate Chemical compound CCOC(=O)N1CCNCC1 LNOQURRKNJKKBU-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229920002553 poly(2-methacrylolyloxyethyltrimethylammonium chloride) polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Processing Of Solid Wastes (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The present invention relates to a kind of washing agent, be specifically related to a kind of chromium pollution construction waste washing agent.It is by following raw material O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1,2,5-thiadiazoles maleic acid, 2-amino-N-[2-(2,5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride etc. are prepared from.This chromium pollution construction waste washing agent, directly can clean use to waste material of buildings, and without the need to coordinating deionization to wash, operational sequence is simple.And this washing agent has the removal effect of more than 97% for the total chromium in chromium pollution construction waste and Cr VI, cleaning efficiency is high, and removal effect is good, is suitable for wide popularization and application in chromium pollution construction waste field of Environment Protection.
Description
Technical field
The present invention relates to a kind of washing agent, be specifically related to a kind of chromium pollution construction waste washing agent.
Background technology
So far China has closed Duo Jia chromium salt production enterprise, and due to China the general small scale of chromium salt production enterprise, production technology is backward, environmental pollution is large, the chromium salt factory causing these to close not only Soil Surrounding is subject to severe contamination, and the waste material of buildings such as original factory body of wall and factory building interior ground base concrete all exist very large problem of environmental pollution.The characteristic of these waste material of buildings is very not identical with soil, and in waste material of buildings, the existing forms of chromium is also different with the existing forms of Chromium in Soil, contaminated soil the Treatment process that is suitable for be unsuitable for waste material of buildings." 12 " period, along with the iterative method of the repairing and treating work of various places chromium-polluted soil, very urgent to the repairing and treating work leaving over waste material of buildings.
The domestic and international improvement to chromium-polluted soil for some time, and has many sections of public technology bibliographical informations.Dystopy washing repair vocal imitation skill due to applicability wide, be widely used.Select or develop the key that cleaning agent is elution technique.Conventional cleaning agent comprises water, acid, salting liquid, chelating agent, surfactant etc.But the disposal applications at present for chromium pollution construction waste rarely has report; and when existing heavy-metal contaminated soil cleaning agent is applied to waste material of buildings; needs washing is cleaned to coordinate with cleaning agent and is repeatedly washed; and total chromium and chromic residual quantity still have certain residual quantity after cleaning; for the protection to environment, be necessary to study a kind of washing agent high for the cleaning performance of chromium pollution construction waste.
Summary of the invention
The object of the invention is to solve that above-mentioned prior art exists without chromium pollution construction waste special purpose detergent, the deficiency that heavy-metal contaminated soil cleaning agent is not good to waste material of buildings cleaning performance, provides a kind of, chromium pollution construction waste washing agent that cleaning performance good high to chromium cleaning efficiency.
A kind of chromium pollution construction waste washing agent, special character is to be prepared from by the raw material of following weight: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 27-32 part, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 35-40 part, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 32-37 part, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 25-29 part, N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides 42-48 part, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 28-35 part, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 15-22 part.
Preferably, the chromium pollution construction waste washing agent adopting the raw material of following weight to prepare has better clean result, O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 29 parts, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 35 parts, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 32 parts, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 28 parts, N-(2, 6-diethylbenzene aminocarbonyl methyl) 48 parts, iminodiacetic acid (salt) acid anhydrides, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 28 parts, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 20 parts.
Further, in order to obtain the higher chromium pollution construction waste washing agent of cleaning efficiency, described chromium pollution construction waste washing agent also comprises the raw material of following weight: 5-(t-butoxycarbonyl amino) valeric acid 12-18 part, 6-dehydrogenation progesterone 6-10 part, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 4-8 part.
Preferably, chromium pollution construction waste washing agent, its parts by weight of raw materials proportioning is: 5-(t-butoxycarbonyl amino) valeric acid 18 parts, 6-dehydrogenation progesterone 8 parts, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 6 parts.
Preparation method of the present invention: by deionized water, O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride to add in reactor 1 stirring and dissolving at 60-82 DEG C, by N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester stirring and dissolving at 45-60 DEG C in reactor 2, mixture in reactor 2 is joined gradually in reactor 1, fully 15-25 minute is stirred in 45 DEG C of waters bath with thermostatic control, leave standstill 1.5-2 hour, namely required chromium pollution construction waste washing agent is obtained.
This chromium pollution construction waste washing agent, directly can clean use to waste material of buildings, and without the need to coordinating deionization to wash, operational sequence is simple.And this washing agent has the removal effect of more than 97% for the total chromium in chromium pollution construction waste and Cr VI, cleaning efficiency is high, and removal effect is good, is suitable for wide popularization and application in chromium pollution construction waste field of Environment Protection.
Detailed description of the invention
Below provide the specific embodiment of the present invention, be used for being further described the present invention.In the present invention, if no special instructions, each raw material all in working substance content for 100%.
In following examples, raw material introduction:
O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate, CAS accession number is: 56-72-4;
(+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1,2,5-thiadiazoles maleic acid, CAS accession number is: 26839-77-0;
2-amino-N-[2-(2,5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride, CAS accession number is: 3092-17-9;
N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride, CAS accession number is: 37296-80-3;
N-(2,6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides, CAS accession number is: 380463-93-4;
(S)-2,6-bis-t-butoxycarbonyl amino caproic acids, CAS accession number is: 2483-46-7;
1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester, CAS accession number is: 89-48-5;
5-(t-butoxycarbonyl amino) valeric acid, CAS accession number is: 27219-07-4;
6-dehydrogenation progesterone, CAS accession number is: 1162-56-7;
3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde, CAS accession number is: 54-47-7.
Embodiment 1
Weigh the raw material of following weight: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 29kg, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 35kg, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 32kg, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 28kg, N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides 48kg, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 28kg, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 20kg.
The preparation method of the present embodiment chromium pollution construction waste washing agent: by deionized water, O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride to add in reactor 1 stirring and dissolving at 60-82 DEG C, by N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester stirring and dissolving at 45-60 DEG C in reactor 2, mixture in reactor 2 is joined gradually in reactor 1, fully 15-25 minute is stirred in 45 DEG C of waters bath with thermostatic control, leave standstill 1.5-2 hour, namely required chromium pollution construction waste washing agent is obtained.
Embodiment 2
Weigh the raw material of following weight: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 27kg, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 37kg, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 37kg, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 25kg, N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides 45kg, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 35kg, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 15kg, 5-(t-butoxycarbonyl amino) valeric acid 15kg, 6-dehydrogenation progesterone 6kg, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 4kg.
The preparation method of the present embodiment chromium pollution construction waste washing agent: by deionized water, peroxidating tertiary pentyl-2 ethyl hexanoic acid ester, 4-methyl isophthalic acid-(1-Methylethyl)-3-cyclohexene-1-alcohol, diethylene glycol monovinyl base ether, 3-ethoxyl ethyl propionate, 2-(acetylamino)-4-amino-4-ketobutyric acid, 5-(t-butoxycarbonyl amino) valeric acid to add in reactor 1 stirring and dissolving at 60-85 DEG C, by alpha-sulfo-ω-hydroxyl PEO-C10-16-alkyl ether, dimethacrylate, two [2-(diethylamino) the ethyoxyl]-9-Fluorenone dihydrochloride of 2,7-, polyquaternium-37, diprophylline, 2-methene butyrolactone, N-piperazinecarboxylic acid ethyl ester, 6-dehydrogenation progesterone, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde stirring and dissolving at 45-60 DEG C in reactor 2, mixture in reactor 2 is joined gradually in reactor 1, fully 15-25 minute is stirred in 40 DEG C of waters bath with thermostatic control, leave standstill 1.5-2 hour, namely obtain required chromium pollution construction waste washing agent.
Embodiment 3
Weigh the raw material of following weight: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 32kg, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 40kg, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 35kg, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 29kg, N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides 42kg, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 30kg, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 22kg, 5-(t-butoxycarbonyl amino) valeric acid 12kg, 6-dehydrogenation progesterone 10kg, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 8kg.
The preparation method of the present embodiment chromium pollution construction waste washing agent is with embodiment 2.
Embodiment 4
Weigh the raw material of following weight: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 29kg, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 35kg, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 32kg, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 28kg, N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides 48kg, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 28kg, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 20kg, 5-(t-butoxycarbonyl amino) valeric acid 18kg, 6-dehydrogenation progesterone 8kg, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 6kg.
The preparation method of the present embodiment chromium pollution construction waste washing agent is with embodiment 2.
The test of chromium residues clearance is carried out with embodiment 1-4 gained finished product
With the conventional washing agent of heavy-metal contaminated soil as a control group, the EDTA-Na of 0.1mol/L
2the citric acid (top grade is pure) of (analyzing pure), 0.5mol/L, the HC1 (top grade is pure) of 0.5mol/L.
(1) pollution of chromium preparation of samples
Choose that earth's surface in certain chemical plant chromium salt production plant building lays by the concrete block of pollution of chromium, with this concrete block waste material of buildings for tested object, concrete block is crushed to 0.9mm, sieves, sealing saves backup.
In control group, first cleaning agent adopts deionized water to wash, and removes water-soluble state chromium.Accurately take 100g sample in plastic bucket, carry out washing 40min by deionized water according to solid-to-liquid ratio 1:10, after Separation of Solid and Liquid, sample is air-dry, save backup.
Accurately take the sample after 5g once washing in 250ml conical flask, 50ml control group cleaning agent is added respectively by solid-to-liquid ratio 1:10, take the non-washing sample of 5g in 250ml conical flask simultaneously, 50ml embodiment 1-4 washing agent is added respectively by solid-to-liquid ratio 1:10, electromagnetic agitation cleaning 40min, suction filtration, collect filtrate and solid sample by cleaning afterwards sample air-dry, save backup.
(2) sample chromium residues calculates
By alkali resolution method by the Cr in solid sample
6+stripping, atomic absorption spectroscopy determination dissolution fluid ρ (Cr
6+); With microwave radiation technology Acid digestion method by the total Cr stripping in solid sample, atomic absorption spectroscopy determination dissolution fluid ρ (total Cr).
The oxidable state of solid sample and residual form Cr, atomic absorption spectroscopy determination extract ρ (Cr) is extracted with improvement BCR sequential extraction procedures.
(3) interpretation of result
Different embodiment washing agent and commercially available heavy-metal contaminated soil are commonly used the cleaning performance of washing agent to chromium pollution construction waste and are seen the following form.
Contrasted from upper table, chromium pollution construction waste washing agent cleaning performance of the present invention is obviously better than the conventional washing agent of commercially available heavy-metal contaminated soil, reaches more than 92.4%, Cr to total Cr clearance
6+clearance reaches more than 99.2%, oxidable state Cr clearance reaches more than 92.1%, residual form Cr clearance reaches more than 75.6%, wherein, compared to the washing agent that commercially available heavy-metal contaminated soil is conventional, the removal effect of washing agent of the present invention to residual form Cr is particularly evident, has high market value.
Claims (4)
1. a chromium pollution construction waste washing agent, it is characterized in that being prepared from by the raw material of following weight: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 27-32 part, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 35-40 part, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 32-37 part, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 25-29 part, N-(2, 6-diethylbenzene aminocarbonyl methyl) iminodiacetic acid (salt) acid anhydrides 42-48 part, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 28-35 part, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 15-22 part.
2. chromium pollution construction waste washing agent as claimed in claim 1, it is characterized in that parts by weight of raw materials proportioning is: O, O-diethyl-O-(the chloro-4-methyl of 3--2-oxo-2H-1-chromene-7-base) thiophosphate 29 parts, (+)-3-[3-(tert-butylamino)-2-hydroxy propyloxy group]-4-morpholinyl-1, 2, 5-thiadiazoles maleic acid 35 parts, 2-amino-N-[2-(2, 5-Dimethoxyphenyl)-2-ethoxy] acetamide hydrochloride 32 parts, N'-(2-amino-ethyl)-N-[2-(2-aminoethylamino) ethyl] ethylenediamine 2-(chloromethyl) oxirane hydrochloride 28 parts, N-(2, 6-diethylbenzene aminocarbonyl methyl) 48 parts, iminodiacetic acid (salt) acid anhydrides, (S)-2, 6-bis-t-butoxycarbonyl amino caproic acid 28 parts, 1-isopropyl-4-methyl cyclohexyl-2-alcohol acetic ester 20 parts.
3. as claim 1 or 2 chromium pollution construction waste washing agent, it is characterized in that described chromium pollution construction waste washing agent also comprises the raw material of following weight: 5-(t-butoxycarbonyl amino) valeric acid 12-18 part, 6-dehydrogenation progesterone 6-10 part, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 4-8 part.
4. as claim 3 chromium pollution construction waste washing agent, it is characterized in that parts by weight of raw materials proportioning is: 5-(t-butoxycarbonyl amino) valeric acid 18 parts, 6-dehydrogenation progesterone 8 parts, 3-hydroxy-2-methyl-5-[(phosphorus acyloxy) methyl]-4-pyridine carboxaldehyde 6 parts.
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| CN102652953A (en) * | 2012-04-19 | 2012-09-05 | 中国环境科学研究院 | Treatment method of chromium pollution construction waste |
| CN103757624A (en) * | 2013-12-26 | 2014-04-30 | 佛山市三水雄鹰铝表面技术创新中心有限公司 | Aluminium alloy chromium-free passivating agent and aluminium alloy chromium-free passivating treatment system |
| CN103978013A (en) * | 2014-05-13 | 2014-08-13 | 同济大学 | Treating method of high-concentration heavy metal polluted building waste |
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| JP2001121109A (en) * | 1999-10-28 | 2001-05-08 | Eco-Techno Corp | Detoxicating method for construction waste containing soluble 6-valent chromium |
| ITVR20060128A1 (en) * | 2006-08-03 | 2008-02-04 | Fabio Longoni | PROCEDURE FOR RECLAMATION OF SITES POLLUTED BY EXAVALENT CHROME |
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| CN102652953A (en) * | 2012-04-19 | 2012-09-05 | 中国环境科学研究院 | Treatment method of chromium pollution construction waste |
| CN103757624A (en) * | 2013-12-26 | 2014-04-30 | 佛山市三水雄鹰铝表面技术创新中心有限公司 | Aluminium alloy chromium-free passivating agent and aluminium alloy chromium-free passivating treatment system |
| CN103978013A (en) * | 2014-05-13 | 2014-08-13 | 同济大学 | Treating method of high-concentration heavy metal polluted building waste |
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