DE2029960C3 - Verfahren zum Regenerieren von verbrauchter Aktivkohle - Google Patents
Verfahren zum Regenerieren von verbrauchter AktivkohleInfo
- Publication number
- DE2029960C3 DE2029960C3 DE2029960A DE2029960A DE2029960C3 DE 2029960 C3 DE2029960 C3 DE 2029960C3 DE 2029960 A DE2029960 A DE 2029960A DE 2029960 A DE2029960 A DE 2029960A DE 2029960 C3 DE2029960 C3 DE 2029960C3
- Authority
- DE
- Germany
- Prior art keywords
- coal
- solution
- charcoal
- activated carbon
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 73
- 238000000034 method Methods 0.000 title claims description 30
- 230000001172 regenerating effect Effects 0.000 title description 3
- 239000000243 solution Substances 0.000 claims description 53
- 239000003245 coal Substances 0.000 claims description 50
- 239000003610 charcoal Substances 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 19
- 230000008929 regeneration Effects 0.000 claims description 17
- 238000011069 regeneration method Methods 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 239000003463 adsorbent Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 235000005985 organic acids Nutrition 0.000 claims description 2
- 230000007420 reactivation Effects 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 229910052734 helium Inorganic materials 0.000 claims 1
- 239000001307 helium Substances 0.000 claims 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims 1
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000007800 oxidant agent Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 64
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 20
- 239000007788 liquid Substances 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012454 non-polar solvent Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000004141 dimensional analysis Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- 229910002703 Al K Inorganic materials 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- -1 alkylphenols Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 239000012156 elution solvent Substances 0.000 description 1
- IINNWAYUJNWZRM-UHFFFAOYSA-L erythrosin B Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C21 IINNWAYUJNWZRM-UHFFFAOYSA-L 0.000 description 1
- 239000004174 erythrosine Substances 0.000 description 1
- 229940011411 erythrosine Drugs 0.000 description 1
- 235000012732 erythrosine Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000019225 fermented tea Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 229910052751 metal Chemical class 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- VLZLOWPYUQHHCG-UHFFFAOYSA-N nitromethylbenzene Chemical compound [O-][N+](=O)CC1=CC=CC=C1 VLZLOWPYUQHHCG-UHFFFAOYSA-N 0.000 description 1
- RBXVOQPAMPBADW-UHFFFAOYSA-N nitrous acid;phenol Chemical class ON=O.OC1=CC=CC=C1 RBXVOQPAMPBADW-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/354—After-treatment
- C01B32/36—Reactivation or regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6920827A FR2045212A5 (enExample) | 1969-06-20 | 1969-06-20 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2029960A1 DE2029960A1 (de) | 1971-03-04 |
| DE2029960B2 DE2029960B2 (de) | 1974-05-02 |
| DE2029960C3 true DE2029960C3 (de) | 1974-11-28 |
Family
ID=9036147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2029960A Expired DE2029960C3 (de) | 1969-06-20 | 1970-06-18 | Verfahren zum Regenerieren von verbrauchter Aktivkohle |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3720626A (enExample) |
| JP (1) | JPS4921039B1 (enExample) |
| BE (1) | BE751932A (enExample) |
| CA (1) | CA939325A (enExample) |
| CH (1) | CH521773A (enExample) |
| DE (1) | DE2029960C3 (enExample) |
| ES (1) | ES380942A1 (enExample) |
| FR (1) | FR2045212A5 (enExample) |
| GB (1) | GB1311014A (enExample) |
| IL (1) | IL34761A (enExample) |
| NL (1) | NL146766B (enExample) |
| SE (1) | SE369409B (enExample) |
| ZA (1) | ZA704167B (enExample) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919081A (en) * | 1970-11-06 | 1975-11-11 | Combustion Eng | Separation of emulsified liquids |
| US3853758A (en) * | 1971-09-16 | 1974-12-10 | Rohm & Haas | Separation of waste dyestuffs by adsorption process |
| DE2404329C3 (de) * | 1974-01-30 | 1981-03-19 | Deutsche Texaco Ag, 2000 Hamburg | Verfahren zur Befüllung und Inbetriebnahme bzw. Wiederinbetriebnahme einesals Rieselsäule ausgebildeten Festbettreaktors |
| US4031251A (en) * | 1975-01-08 | 1977-06-21 | Societe D'assistance Technique Pour Produits Nestle S.A. | Decaffeination of vegetable material |
| US4038301A (en) * | 1975-11-10 | 1977-07-26 | Ppg Industries, Inc. | Removal and recovery of organolead compounds from activated carbon and recovery of the activated carbon |
| US4299805A (en) * | 1978-03-30 | 1981-11-10 | Calgon Corporation | Regeneration of carbon employed in the wet process production of phosphoric acid |
| US4369168A (en) * | 1979-08-21 | 1983-01-18 | Calgon Corporation | Regeneration of carbon employed in the wet process production of alkali metal phosphates |
| US4341638A (en) * | 1979-10-17 | 1982-07-27 | International Minerals & Chemical Corp. | Purification of phosphoric acid |
| US4407725A (en) * | 1980-08-21 | 1983-10-04 | International Minerals & Chemical Corp. | Regeneration of activated carbon |
| US4333770A (en) * | 1980-09-08 | 1982-06-08 | Uop Inc. | Extraction of sucrose from molasses |
| US4426232A (en) | 1981-03-23 | 1984-01-17 | Uop Inc. | Extraction of sucrose |
| US4518504A (en) * | 1981-09-08 | 1985-05-21 | The Dow Chemical Company | Treatment of contaminated Stretford solution |
| US4533398A (en) * | 1981-10-02 | 1985-08-06 | Uop Inc. | Extraction of sucrose |
| US4943376A (en) * | 1988-04-01 | 1990-07-24 | Scamehorn John F | Surfactant enhanced regeneration of hydrophobic materials |
| US5300468A (en) * | 1992-06-30 | 1994-04-05 | Associated Universities, Inc. | Carbonaceous adsorbent regeneration and halocarbon displacement by hydrocarbon gases |
| US5766565A (en) * | 1993-01-21 | 1998-06-16 | Dow Corning Corporation | Purification of hydrochloric acid |
| US5330735A (en) * | 1993-01-21 | 1994-07-19 | Dow Corning Corporation | Purification of hydrochloric acid |
| KR100201422B1 (ko) * | 1997-06-21 | 1999-06-15 | 장병주 ; 이일쇄 | 활성탄의 이화학적 재생장치 및 재생방법 |
| KR19990038272A (ko) * | 1997-11-04 | 1999-06-05 | 김성년 | 유기용매 추출방법에 의한 사용된 첨착활성탄의 습식 재활용 공정 |
| JP2001523545A (ja) * | 1997-11-14 | 2001-11-27 | コーニング インコーポレイテッド | 精製用複合体および装置並びにその製造方法および使用方法 |
| US20080067124A1 (en) * | 2006-09-19 | 2008-03-20 | Kaczkowski Edward F | Solvent recovery system for plastic dying operation |
| US8148284B2 (en) * | 2008-02-11 | 2012-04-03 | Alstom Technology Ltd | Injection of liquid sorbent conditioning into a sorbent transporting passageway |
| TW201006765A (en) * | 2008-08-07 | 2010-02-16 | Yeou Fa Chemical Co Ltd | Method for purifying potassium hydroxide aqueous solution rich in silicon impurities |
| EP2435372A1 (en) * | 2009-05-27 | 2012-04-04 | Conocophillips Company | Operations of selenium removal sorbent beds |
| FR3004442B1 (fr) * | 2013-04-10 | 2017-05-05 | Veolia Water Solutions & Tech | Procede et installation de traitement des eaux provenant des industries petrolieres et gazieres, notamment des eaux de production des champs petroliers et/ou gaziers. |
| CN104478787A (zh) * | 2014-11-24 | 2015-04-01 | 河南巨龙生物工程股份有限公司 | 一种从脱色用废活性炭中提取色氨酸的方法 |
| CN105597717B (zh) * | 2015-12-28 | 2018-08-03 | 中国矿业大学(北京) | 一种光电协同再生粉末活性炭系统 |
| US11369946B2 (en) | 2018-09-13 | 2022-06-28 | Ford Global Technologies, Llc | Recovery of adsorption capacity of beaded activated carbon using gas-phase organic solvents |
| EP3921095A1 (en) | 2019-02-10 | 2021-12-15 | Battelle Memorial Institute | Sampling for monitoring per- and polyfluoroalkyl substances (pfas) in surface water, groundwater and pore water |
| AU2020245492A1 (en) * | 2019-03-25 | 2021-10-07 | Revive Environmental Technology, Llc | Systems and methods of regenerating activated carbon |
| CN114950578A (zh) * | 2022-07-05 | 2022-08-30 | 江苏治水有数环保科技有限公司 | 一种催化剂重生工艺 |
| CN115845826A (zh) * | 2022-12-16 | 2023-03-28 | 赣州有色冶金研究所有限公司 | 一种氨再生废活性炭的方法 |
| CN116143117B (zh) * | 2022-12-20 | 2024-08-06 | 无锡中天固废处置有限公司 | 一种废活性炭的清洗再生工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2236679A (en) * | 1938-09-27 | 1941-04-01 | Standard Oil Dev Co | Revivification of decolorizing adsorbents |
| GB636752A (en) * | 1946-06-21 | 1950-05-03 | Bataafsche Petroleum | A process for reactivating a spent refining adsorbent |
| US2769751A (en) * | 1953-04-30 | 1956-11-06 | Texaco Development Corp | Process for treating spent oil refinery clay |
| US3053774A (en) * | 1960-05-16 | 1962-09-11 | California Research Corp | Aqueous regeneration of silica gel |
| US3274104A (en) * | 1963-05-01 | 1966-09-20 | Dow Chemical Co | Solvent extraction process |
-
1969
- 1969-06-20 FR FR6920827A patent/FR2045212A5/fr not_active Expired
-
1970
- 1970-06-12 BE BE751932D patent/BE751932A/xx unknown
- 1970-06-15 CH CH899770A patent/CH521773A/fr not_active IP Right Cessation
- 1970-06-18 GB GB2963270A patent/GB1311014A/en not_active Expired
- 1970-06-18 SE SE08543/70A patent/SE369409B/xx unknown
- 1970-06-18 DE DE2029960A patent/DE2029960C3/de not_active Expired
- 1970-06-18 ZA ZA704167A patent/ZA704167B/xx unknown
- 1970-06-19 IL IL34761A patent/IL34761A/xx unknown
- 1970-06-19 NL NL707009048A patent/NL146766B/xx unknown
- 1970-06-19 ES ES380942A patent/ES380942A1/es not_active Expired
- 1970-06-19 CA CA085,990A patent/CA939325A/en not_active Expired
- 1970-06-19 US US00047599A patent/US3720626A/en not_active Expired - Lifetime
- 1970-06-20 JP JP45053408A patent/JPS4921039B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA939325A (en) | 1974-01-01 |
| DE2029960B2 (de) | 1974-05-02 |
| JPS4921039B1 (enExample) | 1974-05-29 |
| NL7009048A (enExample) | 1970-12-22 |
| CH521773A (fr) | 1972-04-30 |
| NL146766B (nl) | 1975-08-15 |
| US3720626A (en) | 1973-03-13 |
| FR2045212A5 (enExample) | 1971-02-26 |
| SU441700A3 (ru) | 1974-08-30 |
| GB1311014A (en) | 1973-03-21 |
| IL34761A0 (en) | 1970-08-19 |
| ES380942A1 (es) | 1973-04-01 |
| IL34761A (en) | 1973-06-29 |
| BE751932A (fr) | 1970-11-16 |
| DE2029960A1 (de) | 1971-03-04 |
| SE369409B (enExample) | 1974-08-26 |
| ZA704167B (en) | 1971-02-24 |
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| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
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