CN106082549B - 电镀废水的生物物理处理工艺 - Google Patents
电镀废水的生物物理处理工艺 Download PDFInfo
- Publication number
- CN106082549B CN106082549B CN201610624754.3A CN201610624754A CN106082549B CN 106082549 B CN106082549 B CN 106082549B CN 201610624754 A CN201610624754 A CN 201610624754A CN 106082549 B CN106082549 B CN 106082549B
- Authority
- CN
- China
- Prior art keywords
- obtains
- liquid
- water
- parts
- electroplating wastewater
- 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.)
- Active
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000009713 electroplating Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 14
- 241000894006 Bacteria Species 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 11
- 239000006228 supernatant Substances 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 5
- 238000005189 flocculation Methods 0.000 claims abstract description 5
- 230000016615 flocculation Effects 0.000 claims abstract description 5
- 230000000813 microbial effect Effects 0.000 claims abstract description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 241000605222 Acidithiobacillus ferrooxidans Species 0.000 claims description 13
- 241000589597 Paracoccus denitrificans Species 0.000 claims description 13
- 241000187563 Rhodococcus ruber Species 0.000 claims description 13
- 241001147790 [Clostridium] papyrosolvens Species 0.000 claims description 13
- 235000017060 Arachis glabrata Nutrition 0.000 claims description 12
- 244000105624 Arachis hypogaea Species 0.000 claims description 12
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 12
- 235000018262 Arachis monticola Nutrition 0.000 claims description 12
- 235000020232 peanut Nutrition 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229920002101 Chitin Polymers 0.000 claims description 4
- 229920001661 Chitosan Polymers 0.000 claims description 4
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical compound [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 claims description 4
- 229910000333 cerium(III) sulfate Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 238000005342 ion exchange Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 4
- 150000000703 Cerium Chemical class 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000003456 ion exchange resin Substances 0.000 description 3
- 229920003303 ion-exchange polymer Polymers 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 244000005706 microflora Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- GHLZUHZBBNDWHW-UHFFFAOYSA-N nonanamide Chemical compound CCCCCCCCC(N)=O GHLZUHZBBNDWHW-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- -1 phosphate radical Chemical class 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 125000002924 primary amino group Chemical class [H]N([H])* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- ZMBHCYHQLYEYDV-UHFFFAOYSA-N trioctylphosphine oxide Chemical compound CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC ZMBHCYHQLYEYDV-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
本发明涉及一种电镀废水的生物物理处理工艺,其包括如下步骤:(1)对电镀废水进行固液分离;(2)将步骤(1)获得液体通过微电解反应器;(3)将经过微电解反应器的废水pH调至10,然后加入次氯酸钠,反应后,调pH值为6‑7,再反应20min,后加入絮凝剂,进行絮凝处理,然后进行静置沉淀,时间4‑6h,之后获得澄清上清液;(4)将步骤(3)处理获得的上清液排到微生物反应池,调节PH值为7-8,然后按照每立方米液体投加生物菌剂10g,静置一周。本发明方法提高处理水量和处理水质,降低运行费用,促进排放水质达到标准。
Description
技术领域
本发明属于污水处理技术领域,具体涉及一种电镀废水的生物物理处理工艺。
背景技术
电镀废水的来源一般为:(1)镀件清洗水;(2)废电镀液;(3)其他废水,包括冲刷车间地面,刷洗极板洗水,通风设备冷凝水,以及由于镀槽渗漏或操作管理不当造成的 “跑、冒、滴、漏”的各种槽液和排水;(4)设备冷却水,冷却水在使用过程中除温度升高以外,未受到污染。电镀废水的水质、水量与电镀生产的工艺条件、生产负荷、操作管理与用水方式等因素有关。电镀废水的水质复杂,成分不易控制,其中含有铬、镉、镍、铜、锌、金、银等重金属离子和氰化物等,有些属于致癌、致畸、致突变的剧毒物质。
据统计,我国电镀行业年均废水产生量高达40亿吨,占总工业废水排放量的1/6。同时,由于电镀工艺的复杂性,导致产生的废水成分复杂多变,污染物浓度高,难以达到日趋严格的排放标准。随着电镀废水排放标准和回用率要求愈加严格,因此,需要对废水进行深度处理,使其满足回用水质要求。
现有技术对电镀废水的处理方法一般为以下几种:
1、溶剂萃取法
溶剂萃取法是利用重金属离子在有机相和在水中溶解度的不同,使重金属浓缩于有机相的分离方法。有机相也称萃取剂,常见的有磷酸三丁酯,三辛基氧化磷,二甲庚基乙酰胺,三辛胺,伯胺,油酸和亚油酸等。另外,在金属形态分析中有机萃取剂也被广泛应用,如丙酮、乙醇等。溶剂萃取法处理重金属废水设备简单,操作简便,加入萃取剂量小,萃取剂可回收再利用,二次污染小,是一种很有发展潜力的处理方法。
2、化学沉淀法
化学沉淀法是根据溶度积的原理,投加氢氧化物、硫化物、碳酸化物等,使重金属离子与氢氧根离子、硫离子、碳酸根离子等结合形成难溶化合物。虽然工艺较为简单,操作也比较容易,但是此法易受沉淀剂和环境条件的影响,使出水浓度达不到排放标准。此外,反应产生的大量废渣如果没有得到很好的处理,容易产生二次污染,不符合绿色环保的原则。
3、离子交换法
离子交换法是重金属离子和离子交换树脂发生离子交换的过程, 树脂性能对重金属去除有较大影响。常用的离子交换树脂有阳离子交换树脂、阴离子交换树脂、螯合树脂和腐植酸树脂等。离子交换法是选择性地去除重金属离子,工艺简单、操作简便,去除效果很好。与沉淀法和电解法相比,离子交换法在低浓度的废水处理方面具有一定的优势,但该法受树脂的吸附容量、废水中杂质的影响以及交换剂品种、产量和成本的限制,且对废水的预处理要求较高,离子交换树脂的再生及再生液的处理也是一个难以解决的问题。
4、吸附法
吸附法实质上是吸附剂活性表面对重金属离子的吸引,是利用多孔性固体物质的吸附作用,使废水中的重金属离子吸附在固体吸附剂表面而去除的一种方法。最常用的吸附剂是活性炭,但其价格昂贵,使用寿命短,需再生,操作费用高。另外,吸附法处理含重金属废水适用范围广,不会造成二次污染,但吸附剂往往对重金属离子的吸附选择性不高,不能得到很好的推广。
5、物化+生化
采用物化+生化方式进行处理,由于电镀废水中采用次亚磷酸盐作为还原剂,难以有效沉淀,导致生化尾水中总磷浓度通常在2-5mg/L,而采用钙盐沉淀后,通常还含有高浓度的氟离子,浓度范围为10-20mg/L,难以达到日趋严格的排放标准
国家环保部要求电镀行业需按照GB21900—2008《电镀污染物排放标准》排放,使用常规的处理方法处理成分复杂的电镀废水,难以分流彻底,难以处理达标,生化困难,或需要通过设施改造或多级处理等,这样药物投加量大,工艺重复产生污泥也多、成本高,也难以保证污水的达标排放。 因此,开发一种建设投资少、运行成本低、处理效率好的电镀废水处理工艺是本领域急需解决的技术问题。
发明内容
本发明的目的是提供一种电镀废水的生物物理处理工艺。
本发明是采用如下技术方案实现的:
一种电镀废水的生物物理处理工艺,其特征在于包括如下步骤:
(1)对电镀废水进行固液分离,通过该操作能够有效防止废水输送过程中产生堵塞现象和损坏设备;
(2)将步骤(1)获得液体通过微电解反应器,可有效地将将废水中含氰的络合物及重金属的络合物打破,并将废水中六价铬还原为三价铬,起到预处理的作用;
(3)将经过微电解反应器的废水pH调至10,然后加入占废水重量0.2%的次氯酸钠,反应30分钟后,将废水的pH值控制在6-7,再反应20min,后按照0.1g/L的比例加入絮凝剂,进行絮凝处理,然后进行静置沉淀,时间4-6h,之后获得澄清上清液;
所述絮凝剂为:按照硅藻土、双氧水、聚合氯化铝、硫酸铈按5:3:2:1的重量比复配而成;
(4)将步骤(3)处理获得的上清液排到微生物反应池,调节PH值为7-8,然后按照每立方米液体投加生物菌剂10g,静置一周。
所述生物菌剂按照如下方法制备:
(1)将花生壳投入到粉碎机中,粉碎后过100目筛得花生壳粉;
(2)将赤红球菌、溶纸梭菌、脱氮副球菌、氧化亚铁硫杆菌分别培养至浓度为1×107个/ml的菌液,然后按照4:3:1:2的体积比混合,得到混合菌液;
所述赤红球菌(Rhodococcus ruber)为ATCC15906;
所述溶纸梭菌(Clostridium papyrosolvens)为ATCC 700395;
所述脱氮副球菌 (Paracoccus denitrificans) 为ATCC13543
所述氧化亚铁硫杆菌(Thiobacillus ferrooxidans)为CGMCC NO.0727(参见CN1375553A);
(3)制备载体:
所述载体由步骤(1)制备的花生壳粉10份、壳聚糖7份、甲壳素5份、水20份,按照重量份数取上述原料次添加到搅拌反应器中,500转/min搅拌10min,静置30min,置于60℃烘干至水分含量为5%质量分数即得;
将步骤(2)制备的混合菌液、步骤(3)制备的载体按照1:3的质量比混合,搅拌均匀,30℃干燥至含水量为10%质量分数,即得生物菌剂。
本发明所述菌种均可以从中国微生物菌种保藏管理委员会普通微生物中心(CGMCC)以及美国模式培养物集存库(ATCC)、中国农业微生物菌种保藏管理中心(ACCC)购买得到。
本发明所述的菌种和藻类均可通过常规的培养方法得到所需浓度的菌液或藻液,此并非本发明的创新点,限于篇幅,并不一一赘述。
本发明絮凝剂,首先通过双氧水和无机铈盐的催化氧化类芬顿反应,使得废水中的次亚磷酸盐转化为正磷酸盐,从而使得水体中的磷易于通过混凝沉淀得以去除,解决了因磷的形态问题而导致无法有效处理等问题;同时,由于铈盐与氟离子亲和力较强,使得部分氟离子通过铈盐吸附从而得到去除;且本发明絮凝剂采用硅藻土和聚合氯化铝配合使用,其能够同步去除水体中磷酸根和氟离子,沉淀速度快,处理效果好,产生的污泥量小,符合固废的减量化原则。本发明絮凝剂对对废水中的COD、磷、氟等有良好的去除作用,使用上述絮凝剂对废水作用达到最佳协同效果。
本发明的复合菌剂将各种能形成优势菌群的菌种,配制成高效微生物制剂,按一定量投加到废水处理系统中,加速微生物对污染物的降解,以提高系统的生物处理效率,保证系统稳定运行。其含有多种对难降解污染物有优良降解能力的微生物,各菌种之间合理配伍,共生协调,互不拮抗,活性高,生物量大,繁殖快,适于电镀废水的处理,可提高处理水量和处理水质,降低运行费用,促进达标排放。
具体实施方式
实施例1:
一种电镀废水的生物物理处理工艺,其特征在于包括如下步骤:
(1)对电镀废水进行固液分离,通过该操作能够有效防止废水输送过程中产生堵塞现象和损坏设备;
(2)将步骤(1)获得液体通过微电解反应器,可有效地将将废水中含氰的络合物及重金属的络合物打破,并将废水中六价铬还原为三价铬,起到预处理的作用;
(3)将经过微电解反应器的废水pH调至10,然后加入占废水重量0.2%的次氯酸钠,反应30分钟后,将废水的pH值控制在6,再反应20min,后按照0.1g/L的比例加入絮凝剂,进行絮凝处理,然后进行静置沉淀,时间4h,之后获得澄清上清液;
所述絮凝剂为:按照硅藻土、双氧水、聚合氯化铝、硫酸铈按5:3:2:1的重量比复配而成;
(4)将步骤(3)处理获得的上清液排到微生物反应池,调节PH值为7,然后按照每立方米液体投加生物菌剂10g,静置一周。
所述生物菌剂按照如下方法制备:
(1)将花生壳投入到粉碎机中,粉碎后过100目筛得花生壳粉;
(2)将赤红球菌、溶纸梭菌、脱氮副球菌、氧化亚铁硫杆菌分别培养至浓度为1×107个/ml的菌液,然后按照4:3:1:2的体积比混合,得到混合菌液;
所述赤红球菌(Rhodococcus ruber)为ATCC15906;
所述溶纸梭菌(Clostridium papyrosolvens)为ATCC 700395;
所述脱氮副球菌 (Paracoccus denitrificans) 为ATCC13543
所述氧化亚铁硫杆菌(Thiobacillus ferrooxidans)为CGMCC NO.0727(参见CN1375553A);
(3)制备载体:
所述载体由步骤(1)制备的花生壳粉10份、壳聚糖7份、甲壳素5份、水20份,按照重量份数取上述原料次添加到搅拌反应器中,500转/min搅拌10min,静置30min,置于60℃烘干至水分含量为5%即得;
将步骤(2)制备的混合菌液、步骤(3)制备的载体按照1:3的质量比混合,搅拌均匀,30℃干燥至含水量为10%,即得生物菌剂。
实施例2
一种电镀废水的生物物理处理工艺,其特征在于包括如下步骤:
(1)对电镀废水进行固液分离,通过该操作能够有效防止废水输送过程中产生堵塞现象和损坏设备;
(2)将步骤(1)获得液体通过微电解反应器,可有效地将将废水中含氰的络合物及重金属的络合物打破,并将废水中六价铬还原为三价铬,起到预处理的作用;
(3)将经过微电解反应器的废水pH调至10,然后加入占废水重量0.2%的次氯酸钠,反应40min后,将废水的pH值控制在7,再反应30min,后按照0.1g/L的比例加入絮凝剂,进行絮凝处理,然后进行静置沉淀,时间6h,之后获得澄清上清液;
所述絮凝剂为:按照硅藻土、双氧水、聚合氯化铝、硫酸铈按5:3:2:1的重量比复配而成;
(4)将步骤(3)处理获得的上清液排到微生物反应池,调节PH值为8,然后按照每立方米液体投加生物菌剂10g,静置一周。
所述生物菌剂按照如下方法制备:
(1)将花生壳投入到粉碎机中,粉碎后过100目筛得花生壳粉;
(2)将赤红球菌、溶纸梭菌、脱氮副球菌、氧化亚铁硫杆菌分别培养至浓度为1×107个/ml的菌液,然后按照4:3:1:2的体积比混合,得到混合菌液;
所述赤红球菌(Rhodococcus ruber)为ATCC15906;
所述溶纸梭菌(Clostridium papyrosolvens)为ATCC 700395;
所述脱氮副球菌 (Paracoccus denitrificans) 为ATCC13543
所述氧化亚铁硫杆菌(Thiobacillus ferrooxidans)为CGMCC NO.0727(参见CN1375553A);
(3)制备载体:
所述载体由步骤(1)制备的花生壳粉10份、壳聚糖7份、甲壳素5份、水20份,按照重量份数取上述原料次添加到搅拌反应器中,500转/min搅拌10min,静置30min,置于60℃烘干至水分含量为5%即得;
将步骤(2)制备的混合菌液、步骤(3)制备的载体按照1:3的质量比混合,搅拌均匀,30℃干燥至含水量为10%,即得生物菌剂。
实施例3
采用实施例1的处理工艺处理某工厂电镀污水,结果如表1所示。
表1
处理前(mg/L) | 处理后(mg/L) | 去除率 | |
COD | 1217 | 18 | 98.5% |
总铬 | 33 | 0.3 | 99.1% |
Cr<sup>6+</sup> | 0.35 | 0.004 | 98.8% |
总氰 | 121 | 0.02 | 99.9% |
磷 | 6.3 | 0.15 | 97.6% |
氟 | 12.8 | 0.5 | 96.1% |
经过本发明方法对电镀废水进行深度处理,处理后废水中,总磷浓度小于0.5mg/L,氟化物小于10mg/L,总氰化物含量小于0.2mg/L,复合GB21900—2008《电镀污染物排放标准》,有良好的处理效果。
虽然,上文中已经用一般性说明及具体实施方式对本案作了详尽的说明,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。因此,在不偏离本发明精神的基础上所作的修改或改进,均属于本发明要求保护的范围。
Claims (3)
1.一种电镀废水的生物物理处理工艺,其特征在于,包括如下步骤:
(1)对电镀废水进行固液分离;
(2)将步骤(1)获得液体通过微电解反应器;
(3)将经过微电解反应器的废水pH调至10,然后加入占废水重量0.2%的次氯酸钠,反应30分钟后,将废水的pH值控制在6-7,20min后,按照0.1g/L的比例加入絮凝剂,进行絮凝处理,然后进行静置沉淀,时间4-6h,之后获得澄清上清液,所述絮凝剂为:按照硅藻土、双氧水、聚合氯化铝、硫酸铈按5:3:2:1的重量比复配而成;
(4)将步骤(3)处理获得的上清液排到微生物反应池,调节pH值为7-8,然后按照每立方米液体投加生物菌剂10g,静置一周;
所述生物菌剂包括赤红球菌、溶纸梭菌、脱氮副球菌、氧化亚铁硫杆菌;
所述生物菌剂按照如下方法制备而得:
(1)将花生壳投入到粉碎机中,粉碎后过100目筛得花生壳粉;
(2)将赤红球菌、溶纸梭菌、脱氮副球菌、氧化亚铁硫杆菌分别培养至浓度为1×107个/ml的菌液,然后按照4:3:1:2的体积比混合,得到混合菌液;
(3)制备载体:
按照重量份数取花生壳粉10份、壳聚糖7份、甲壳素5份、水20份,依次添加到搅拌反应器中,500转/min搅拌10min,静置30min,置于60℃烘干至水分含量为5%即得;
(4)制备生物菌剂:将步骤(2)制备的混合菌液、步骤(3)制备的载体按照1:3的质量比混合,搅拌均匀,30℃干燥至含水量为10%,即得。
2.根据权利要求1所述的工艺,其特征在于,
所述赤红球菌(Rhodococcus ruber)为ATCC15906;
所述溶纸梭菌(Clostridium papyrosolvens)为ATCC 700395;
所述脱氮副球菌 (Paracoccus denitrificans) 为ATCC13543;
所述氧化亚铁硫杆菌(Thiobacillus ferrooxidans)为CGMCC NO.0727。
3.权利要求1或2所述工艺用于深度处理电镀废水的用途。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610624754.3A CN106082549B (zh) | 2016-08-03 | 2016-08-03 | 电镀废水的生物物理处理工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610624754.3A CN106082549B (zh) | 2016-08-03 | 2016-08-03 | 电镀废水的生物物理处理工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106082549A CN106082549A (zh) | 2016-11-09 |
CN106082549B true CN106082549B (zh) | 2019-04-19 |
Family
ID=57453689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610624754.3A Active CN106082549B (zh) | 2016-08-03 | 2016-08-03 | 电镀废水的生物物理处理工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106082549B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107010706B (zh) * | 2017-05-16 | 2021-04-16 | 昌邑市银江生物科技有限公司 | 一种利用花生壳提取物分离水中铜盐的方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007160233A (ja) * | 2005-12-14 | 2007-06-28 | Kurita Water Ind Ltd | 有機物含有排水の処理装置及び処理方法 |
CN102533624A (zh) * | 2012-03-06 | 2012-07-04 | 河北省科学院生物研究所 | 一种微生物复合菌及其在促进中药渣厌氧发酵产沼气中的应用 |
CN103086569A (zh) * | 2013-01-08 | 2013-05-08 | 华南理工大学 | 一种对电子电镀行业废水脱毒减排与深度处理的方法 |
CN103663637A (zh) * | 2013-11-27 | 2014-03-26 | 上海纳米技术及应用国家工程研究中心有限公司 | 一种用于电镀废水的复合脱色絮凝剂及其使用方法 |
CN104086001A (zh) * | 2014-07-10 | 2014-10-08 | 杨晴雅 | 一种用于工业污水的处理工艺及其在菌肥制备中的应用 |
CN105330092A (zh) * | 2015-07-19 | 2016-02-17 | 国网山东省电力公司临沂供电公司 | 一种用于处理变压器油污的工艺 |
CN105505841A (zh) * | 2016-02-24 | 2016-04-20 | 杭州富阳高博信息技术服务有限公司 | 用于处理工业废水污染的微生物菌剂 |
CN105753272A (zh) * | 2016-05-14 | 2016-07-13 | 王浩丞 | 一种园林规划中污水处理方法 |
CN105800841A (zh) * | 2016-05-23 | 2016-07-27 | 李小琴 | 一种电镀含镍废水的高效处理方法 |
-
2016
- 2016-08-03 CN CN201610624754.3A patent/CN106082549B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007160233A (ja) * | 2005-12-14 | 2007-06-28 | Kurita Water Ind Ltd | 有機物含有排水の処理装置及び処理方法 |
CN102533624A (zh) * | 2012-03-06 | 2012-07-04 | 河北省科学院生物研究所 | 一种微生物复合菌及其在促进中药渣厌氧发酵产沼气中的应用 |
CN103086569A (zh) * | 2013-01-08 | 2013-05-08 | 华南理工大学 | 一种对电子电镀行业废水脱毒减排与深度处理的方法 |
CN103663637A (zh) * | 2013-11-27 | 2014-03-26 | 上海纳米技术及应用国家工程研究中心有限公司 | 一种用于电镀废水的复合脱色絮凝剂及其使用方法 |
CN104086001A (zh) * | 2014-07-10 | 2014-10-08 | 杨晴雅 | 一种用于工业污水的处理工艺及其在菌肥制备中的应用 |
CN105330092A (zh) * | 2015-07-19 | 2016-02-17 | 国网山东省电力公司临沂供电公司 | 一种用于处理变压器油污的工艺 |
CN105505841A (zh) * | 2016-02-24 | 2016-04-20 | 杭州富阳高博信息技术服务有限公司 | 用于处理工业废水污染的微生物菌剂 |
CN105753272A (zh) * | 2016-05-14 | 2016-07-13 | 王浩丞 | 一种园林规划中污水处理方法 |
CN105800841A (zh) * | 2016-05-23 | 2016-07-27 | 李小琴 | 一种电镀含镍废水的高效处理方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106082549A (zh) | 2016-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104478160B (zh) | 采选矿含有机物和重金属废水协同氧化处理的方法 | |
CN102050554B (zh) | 一种基于深度净化废水后树脂高浓脱附液的处置方法 | |
Zhao et al. | Symbiosis of microalgae and bacteria consortium for heavy metal remediation in wastewater | |
CN104211162B (zh) | 一种用于含重金属废水处理的污水处理剂 | |
CN107555701A (zh) | 一种低成本处理焦化废水的方法 | |
CN102976568B (zh) | 一种利用磁场的芬顿氧化-好氧颗粒污泥一体化装置及其处理方法 | |
CN103253824A (zh) | 一种臭氧与曝气生物滤池组合处理含氰电镀废水的方法 | |
CN102642988A (zh) | 一种针对电镀废水总氮的去除方法 | |
CN106116042B (zh) | 一种同步去除氰、铬的深度处理电镀污水的方法 | |
CN110357347A (zh) | 一种过硫酸盐高级氧化耦合生物硫酸盐还原处理废水方法 | |
CN107540175A (zh) | 一种去除工业反渗透浓水中难降解有机物的方法 | |
CN105330092B (zh) | 一种用于处理变压器油污的工艺 | |
CN106082452B (zh) | 一种深度处理电镀废水的制剂 | |
CN105236518B (zh) | 一种磁场强化铁碳微电解处理垃圾渗滤液中有机污染物的方法 | |
CN106082549B (zh) | 电镀废水的生物物理处理工艺 | |
CN204607770U (zh) | 一种染料生产氧化塘浓缩废水的处理装置 | |
KR100332674B1 (ko) | 생물학적 공정에 의한 중금속 함유 폐수의 처리방법 | |
CN103011376A (zh) | Edta强化双金属铝铁体系氧化降解氯酚类物质的方法 | |
Zhang et al. | Sustainable treatment of antibiotic wastewater using combined process of microelectrolysis and struvite crystallization | |
CN111362507B (zh) | 一种高效化学-生物降解联用的工业废水处理方法 | |
CN211734103U (zh) | 一种铜氨络合废水处理系统 | |
CN105330093B (zh) | 一种用于处理变压器油污的微生物制剂 | |
CN202829777U (zh) | 一种电镀废水处理系统 | |
CN105330027B (zh) | 一种用于处理变压器油中硫化类物质的制剂 | |
CN117165496B (zh) | 一种解磷菌的高效培养方法及其联合碳微球修复重金属污染场地的应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231122 Address after: 516000 Longxi Electroplating Base 305-3F, Longxi Town, Boluo County, Huizhou City, Guangdong Province Patentee after: Boluo County Jiehui Electroplating Co.,Ltd. Address before: 311404 Wuliqiao village, Xindeng Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU FUYANG JIACHANG MACHINERY CO.,LTD. |
|
TR01 | Transfer of patent right |