CN205501021U - A processing system that is used for raffinate waste water of nickel, cobalt and manganese - Google Patents
A processing system that is used for raffinate waste water of nickel, cobalt and manganese Download PDFInfo
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- CN205501021U CN205501021U CN201620252746.6U CN201620252746U CN205501021U CN 205501021 U CN205501021 U CN 205501021U CN 201620252746 U CN201620252746 U CN 201620252746U CN 205501021 U CN205501021 U CN 205501021U
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Abstract
The utility model discloses a processing system that is used for raffinate waste water of nickel, cobalt and manganese, it includes a pH equalizing basin, adsorption equipment and distillation plant, the export of a pH equalizing basin with adsorption equipment's entry links to each other, adsorption equipment's export links to each other with distillation plant's entry, adsorption equipment still can link to each other with the 2nd pH equalizing basin, gets into evaporation plant preparation ammonium sulfate crystal or link to each other with the strip rectifier unit after adjusting pH, goes out water behind the deamination, and ammonia nitrogen content is less than 15mgL, and COD is less than 100mgL, the utility model discloses based on adsorbing with the oil absorption microballon with the preliminary treatment is modified, further through setting up ammonium sulfate crystal recovery unit or ammonia recovery unit, realized right waste water COD gets rid of, and the recovery of polymeric adsorbent and strippant has still realized the recycle of the ammonium sulfate crystal or the aqueous ammonia, has really realized the recycle of resource, has good market prospect.
Description
Technical field
This utility model relates to hydrometallurgy industry field of waste water treatment, particularly relates to the processing system of a kind of raffinate waste water for nickel, cobalt and manganese.
Background technology
In the raffinate waste water of nickel, cobalt and manganese, in addition to key component ammonium sulfate, possibly together with a part of Organic substance, this Organic substance is mainly made up of diluent sulfonated kerosene, metal extracted species and extractant etc.；This type organic is mainly saturated hydrocarbons, has hydrophilic strong, and the feature of extremely difficult degraded；Utilize oxidant consumption during these type of waste water of technical finesse such as advanced oxidation processes such as Fenton, ozone oxidation, photocatalysis big, operating cost is high, and COD cannot be removed to below 100mg/L, and conventional resins absorption method is when processing this type of waste water, resin is barely satisfactory to organic absorbability, it addition, loaded resin regeneration difficulty, the recycling ability extreme difference of resin.
Therefore, in order to realize effective process of this type of waste water, and consider resource reclaim problem simultaneously, the present inventor concentrates on studies and develops the processing system of a kind of raffinate waste water that can be used in nickel, cobalt and manganese, this system not only achieves water outlet COD content less than 100mg/L, also achieve the recovery of ammonia sulfate crystal and the recovery of ammonia while resin regeneration and strippant reuse, achieve the process of resource veritably.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides the processing system of a kind of raffinate waste water for nickel, cobalt and manganese, pretreatment modification is combined by this system with the absorption of oil suction microsphere, achieve the removal of COD and the recovery of adsorbent resin, further through arranging ammonium sulfate retracting device and stripping rectifier unit, it is achieved that the recovery of ammonia sulfate crystal and the recovery of ammonia, water outlet ammonia-nitrogen content is less than 15mg/L, COD is less than 100mg/L, and this system operation equipment is simple, and operating cost is low.
This utility model is by the following technical solutions
The processing system of a kind of raffinate waste water for nickel, cobalt and manganese, it includes the first pH regulator pond, adsorbent equipment and distilling apparatus, and the outlet in described first pH regulator pond is connected with the entrance of described adsorbent equipment；The outlet of described adsorbent equipment is connected with the entrance of distilling apparatus.
The gas outlet of described distilling apparatus is connected with condenser, is used for condensing recovery strippant, and the liquid outlet of described distilling apparatus discharges Organic substance concentrated solution.
The outlet of described adsorbent equipment is connected with the second pH regulator pond entrance, and the outlet in described second pH regulator pond connects vaporising device, and absorption water outlet enters the second pH regulator pond, enters vaporising device evaporative crystallization and prepare ammonia sulfate crystal after pH is adjusted to 7.
The outlet of described adsorbent equipment is connected with stripping rectifier unit, described stripping rectifier unit includes that stripper and condenser, the tower top of described stripper are connected with condenser, is used for condensing recovery ammonia, water outlet ammonia-nitrogen content at the bottom of stripper tower is less than 100mg/L less than 15mg/L, COD.
Described first pH regulator pond changes organic existing way and form in described waste water for pretreatment.
Described adsorbent equipment preferably employs oil suction microsphere to carry out adsorbing oil removing；
Further, it is preferable to use KL101 or KL102 macroporous adsorbent resin to carry out dynamic adsorption.
Described adsorbent equipment also includes strippant input port, is used for putting into strippant, realizes intermittent cyclic further and makes described waste water complete the process of absorption and oil suction microsphere desorption.
Compared with prior art, this utility model has techniques below effect
1, providing the processing system of a kind of raffinate waste water for nickel, cobalt and manganese, can be widely applied to hydrometallurgy wastewater treatment industry, market prospect is inestimable；
2, native system is adsorbed as basis with pretreatment modification and oil suction microsphere, i.e. achieves the removal of COD, and equipment is simple, and operating cost is low；
3, native system also achieves the reuse of resin regeneration and strippant, and ammonia sulfate crystal or the recovery of ammonia, final outflow water ammonia-nitrogen content less than 15mg/L, COD less than 100mg/L.
Figure of description
Fig. 1 is device connection diagram of the present utility model；
Wherein: 1-the first pH regulator pond；2-adsorbent equipment；3-the second pH regulator pond；4-vaporising device；
5-distilling apparatus；6-stripper.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings with embodiment:
As it is shown in figure 1, the processing system of a kind of raffinate waste water for nickel, cobalt and manganese, it includes that the first pH regulator pond 1, adsorbent equipment 2 and distilling apparatus 5, the outlet in the first pH regulator pond 1 are connected with the entrance of adsorbent equipment 2；The outlet of adsorbent equipment 2 is connected with the entrance of distilling apparatus 5.
The gas outlet of distilling apparatus 5 is connected with condenser, is used for condensing recovery strippant, and the liquid outlet of distilling apparatus 5 discharges Organic substance concentrated solution.
Wherein, the outlet of adsorbent equipment 2 is connected with the second pH regulator pond 3 entrance, and the outlet in the second pH regulator pond 3 connects vaporising device 4, and absorption water outlet enters the second pH regulator pond 3, enters vaporising device 4 evaporative crystallization and prepare ammonia sulfate crystal after pH is adjusted to 7.
Or the outlet of adsorbent equipment 2 is connected with stripping rectifier unit, stripping rectifier unit includes that stripper 6 and condenser, the tower top of stripper 6 are connected with condenser, is used for condensing recovery ammonia, water outlet ammonia-nitrogen content at the bottom of stripper 6 tower is less than 100mg/L less than 15mg/L, COD；Adsorbent equipment preferably employs oil suction microsphere to carry out adsorbing oil removing；Further, it is preferable to use KL101 or KL102 macroporous adsorbent resin to carry out dynamic adsorption；First pH regulator pond changes organic existing way and form in described waste water for pretreatment.
It addition, adsorbent equipment 2 also includes strippant input port, it is used for putting into strippant, realizes intermittent cyclic further and make described waste water complete the process of absorption and oil suction microsphere desorption.
Embodiment
1
The cobalt raffinate of certain enterprise, pH=7.4, COD=900mg/L, ammonium sulphate content 100g/L, Organic substance is mainly composed of sulfonated kerosene, cobalt-P507 extracted species.
(1) take 1000mL cobalt raffinate, add sulphuric acid regulation pH=2.54；
(2) step (1) gained solution KL101 macroporous adsorbent resin carries out dynamic adsorption, and solution flow rate is 5BV/h, and absorption water outlet COD is 90mg/L, and resin time of break-through is 120h；
(3) step (2) penetrates rear resin dehydrated alcohol dynamic desorption, and strippant flow velocity is 1BV/h, and desorption time is 6h；
(4) the stripping liquid Distillation recovery ethanol that step (3) obtains, ethanol returns step (3) and recycles, and condensed organic recycles；
(5) step (2) absorption water outlet regulates pH=7 with 15% ammonia, and evaporative crystallization prepares ammonium sulfate product.
Embodiment
2
The nickel raffinate of certain enterprise, pH=7, COD=1500mg/L, ammonium sulphate content 80g/L, Organic substance is mainly composed of sulfonated kerosene, nickel-P204 extracted species.
(1) take 1000mL nickel raffinate, add sulphuric acid regulation pH=1.5；
(2) step (1) gained solution KL101 macroporous adsorbent resin carries out dynamic adsorption, and solution flow rate is 5BV/h, and absorption water outlet COD is 80mg/L, and resin time of break-through is 150h；
(3) step (2) penetrates rear resin dehydrated alcohol dynamic desorption, and strippant flow velocity is 3BV/h, and desorption time is 8h；
(4) the stripping liquid Distillation recovery acetone that step (3) obtains, acetone returns step (3) and recycles, and condensed organic recycles；
(5) step (2) absorption water outlet enters stripping distillation system and reclaims ammonia, water outlet ammonia nitrogen≤15mg/L, qualified discharge.
Embodiment
3
The manganese raffinate of certain enterprise, pH=7.5, COD=800mg/L, ammonium sulphate content 200g/L, Organic substance is mainly composed of sulfonated kerosene, manganese-P204 extracted species.
(1) take 1000mL manganese raffinate, add sulphuric acid regulation pH=5；
(2) step (1) gained solution KL101 macroporous adsorbent resin carries out dynamic adsorption, and solution flow rate is 5BV/h, and absorption water outlet COD is 90mg/L, and resin time of break-through is 100h；
(3) step (2) penetrates rear resin dehydrated alcohol dynamic desorption, and strippant flow velocity is 5BV/h, and desorption time is 10h；
(4) the stripping liquid Distillation recovery methanol that step (3) obtains, methanol returns step (3) and recycles, and condensed organic recycles；
(5) step (2) absorption water outlet regulates pH=7 with 15% ammonia, and evaporative crystallization prepares ammonium sulfate product.
Finally it should be noted that; above example is only in order to illustrate the technical solution of the utility model and unrestricted; although this utility model being described in detail with reference to preferred embodiment; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent; without deviating from the spirit and scope of technical solutions of the utility model, it all should be contained in the middle of scope of the claims of the present utility model.
Claims (7)
1. the processing system for the raffinate waste water of nickel, cobalt and manganese, it is characterized in that, it includes that the first pH regulator pond (1), adsorbent equipment (2) and distilling apparatus (5), the described outlet in the first pH regulator pond (1) are connected with the entrance of described adsorbent equipment (2)；The outlet of described adsorbent equipment (2) is connected with the entrance of distilling apparatus (5).
2. processing system as claimed in claim 1, it is characterised in that the gas outlet of described distilling apparatus (5) is connected with condenser, is used for condensing recovery strippant, and the liquid outlet of described distilling apparatus (5) discharges Organic substance concentrated solution.
3. processing system as claimed in claim 1 or 2, it is characterized in that, the outlet of described adsorbent equipment (2) is connected with the second pH regulator pond (3) entrance, the outlet in described second pH regulator pond (3) connects vaporising device (4), absorption water outlet enters the second pH regulator pond (3), enters vaporising device (4) evaporative crystallization and prepare ammonia sulfate crystal after pH is adjusted to 7.
4. processing system as claimed in claim 1 or 2, it is characterized in that, the outlet of described adsorbent equipment (2) is connected with stripping rectifier unit, described stripping rectifier unit includes stripper (6) and condenser, the tower top of described stripper (6) is connected with condenser, for condensing recovery ammonia, water outlet ammonia-nitrogen content at the bottom of stripper (6) tower is less than 100mg/L less than 15mg/L, COD.
5. processing system as claimed in claim 1, it is characterised in that described adsorbent equipment preferably employs oil suction microsphere to carry out adsorbing oil removing；
6. processing system as claimed in claim 5, it is characterised in that preferably employ KL101 or KL102 macroporous adsorbent resin and carry out dynamic adsorption.
7. the processing system as described in any claim in claim 1,2,5 or 6, it is characterized in that, described adsorbent equipment (2) also includes strippant input port, is used for putting into strippant, realizes intermittent cyclic further and makes described waste water complete the process of absorption and oil suction microsphere desorption.
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| CN201620252746.6U CN205501021U (en) | 2016-03-30 | 2016-03-30 | A processing system that is used for raffinate waste water of nickel, cobalt and manganese |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164075A (en) * | 2018-01-30 | 2018-06-15 | 昆山三环保科技有限公司 | A kind of recycling treatment system and its method of four cobalts waste water |
| CN109867400A (en) * | 2019-02-19 | 2019-06-11 | 北京中科康仑环境科技研究院有限公司 | A kind of method that the depth of nickel (cobalt) raffinate removes nickel, cobalt |
| CN113562918A (en) * | 2021-08-09 | 2021-10-29 | 天俱时工程科技集团有限公司 | Method for treating high-concentration organic wastewater containing manganese |
| CN114853245A (en) * | 2022-05-24 | 2022-08-05 | 上海晶宇环境工程股份有限公司 | Ternary precursor wastewater treatment method and system |
| CN114853219A (en) * | 2022-05-26 | 2022-08-05 | 赛恩斯环保股份有限公司 | Method for removing COD (chemical oxygen demand) from high ammonia nitrogen manganese raffinate |
-
2016
- 2016-03-30 CN CN201620252746.6U patent/CN205501021U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164075A (en) * | 2018-01-30 | 2018-06-15 | 昆山三环保科技有限公司 | A kind of recycling treatment system and its method of four cobalts waste water |
| CN108164075B (en) * | 2018-01-30 | 2021-03-12 | 昆山三一环保科技有限公司 | Recycling treatment system and method for cobaltic-cobaltous wastewater |
| CN109867400A (en) * | 2019-02-19 | 2019-06-11 | 北京中科康仑环境科技研究院有限公司 | A kind of method that the depth of nickel (cobalt) raffinate removes nickel, cobalt |
| CN113562918A (en) * | 2021-08-09 | 2021-10-29 | 天俱时工程科技集团有限公司 | Method for treating high-concentration organic wastewater containing manganese |
| CN113562918B (en) * | 2021-08-09 | 2023-04-18 | 天俱时工程科技集团有限公司 | Method for treating high-concentration organic wastewater containing manganese |
| CN114853245A (en) * | 2022-05-24 | 2022-08-05 | 上海晶宇环境工程股份有限公司 | Ternary precursor wastewater treatment method and system |
| CN114853245B (en) * | 2022-05-24 | 2023-08-25 | 上海晶宇环境工程股份有限公司 | Ternary precursor wastewater treatment method and system |
| CN114853219A (en) * | 2022-05-26 | 2022-08-05 | 赛恩斯环保股份有限公司 | Method for removing COD (chemical oxygen demand) from high ammonia nitrogen manganese raffinate |
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