JPH0460717B2 - - Google Patents
Info
- Publication number
- JPH0460717B2 JPH0460717B2 JP14425084A JP14425084A JPH0460717B2 JP H0460717 B2 JPH0460717 B2 JP H0460717B2 JP 14425084 A JP14425084 A JP 14425084A JP 14425084 A JP14425084 A JP 14425084A JP H0460717 B2 JPH0460717 B2 JP H0460717B2
- Authority
- JP
- Japan
- Prior art keywords
- heavy metal
- waste liquid
- sludge
- flocculant
- added
- 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
- 229910001385 heavy metal Inorganic materials 0.000 claims description 45
- 239000002699 waste material Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 27
- 239000010802 sludge Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 19
- 239000013522 chelant Substances 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 229910001424 calcium ion Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- 238000005345 coagulation Methods 0.000 description 7
- 230000015271 coagulation Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 6
- 239000000920 calcium hydroxide Substances 0.000 description 6
- 235000011116 calcium hydroxide Nutrition 0.000 description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 6
- 239000002738 chelating agent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010979 pH adjustment Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 241000581017 Oliva Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920006318 anionic polymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 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 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14425084A JPS6125692A (ja) | 1984-07-13 | 1984-07-13 | 重金属キレ−ト系廃液の処理方法 |
| KR1019850004878A KR890002277B1 (ko) | 1984-07-13 | 1985-07-09 | 중금속 키일레이트 화합물을 포함하는 폐액의 처리 방법 |
| EP85108492A EP0168752B2 (en) | 1984-07-13 | 1985-07-09 | Method of treating liquid wastes containing heavy metal chelate compounds |
| DE8585108492T DE3582964D1 (de) | 1984-07-13 | 1985-07-09 | Verfahren fuer die behandlung von fluessigem, chelate von schwermetallen enthaltendem abfall. |
| US07/064,562 US4802993A (en) | 1984-07-13 | 1987-06-22 | Method of treating liquid wastes containing heavy metal chelate compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14425084A JPS6125692A (ja) | 1984-07-13 | 1984-07-13 | 重金属キレ−ト系廃液の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6125692A JPS6125692A (ja) | 1986-02-04 |
| JPH0460717B2 true JPH0460717B2 (enrdf_load_stackoverflow) | 1992-09-28 |
Family
ID=15357727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14425084A Granted JPS6125692A (ja) | 1984-07-13 | 1984-07-13 | 重金属キレ−ト系廃液の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6125692A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4374636B2 (ja) * | 1999-01-11 | 2009-12-02 | 栗田工業株式会社 | 重金属錯体含有排液の処理方法 |
| CN105152289B (zh) * | 2015-07-10 | 2017-06-06 | 郑宇欣 | 一种碱性废水的净化处理剂 |
| CN105084509B (zh) * | 2015-07-10 | 2017-06-16 | 广东粤绿环境工程中心 | 一种工业废液的净化处理工艺 |
| CN112645482A (zh) * | 2020-11-06 | 2021-04-13 | 江苏泉之源环境技术有限公司 | 一种羧基络合重金属废水的处理方法 |
-
1984
- 1984-07-13 JP JP14425084A patent/JPS6125692A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6125692A (ja) | 1986-02-04 |