CN102626674A - Method for extracting vesuvius salt from carbonate saline lake - Google Patents
Method for extracting vesuvius salt from carbonate saline lake Download PDFInfo
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- CN102626674A CN102626674A CN2012101065663A CN201210106566A CN102626674A CN 102626674 A CN102626674 A CN 102626674A CN 2012101065663 A CN2012101065663 A CN 2012101065663A CN 201210106566 A CN201210106566 A CN 201210106566A CN 102626674 A CN102626674 A CN 102626674A
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- mother liquor
- extracting
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- glaserite
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Abstract
The invention relates to a method for extracting a vesuvius salt from a carbonate saline lake. The method comprises the following steps of: (1) uniformly mixing a Tibetan salt pan potash-bearing salt mixture serving as a raw material with a quartering method, and smashing and sieving to obtain a smashed raw material; (2) adding a saturated mother solution and a floatation medicament into the smashed raw material for roughing too obtain a foam solid liquid A and tailing slurry A; (3) filtering and separating the foam solid liquid A to obtain a solid-phase roughed ore concentrate and a mother solution A, and filtering and separating the tailing slurry A to obtain solid-phase roughed tailing and a mother solution B; (4) repeating the steps (2) to (3) for 6-8 times, and uniformly mixing the obtained roughed ore concentrate; and (5) putting the mixed roughed ore concentrate into a floatation groove, adding the mother solution A and the mother solution B for concentrating to obtain a foam solid liquid B and tailing slurry B respectively, and filtering and separating the foam solid liquid B to obtain an ore concentrate in which the mass content of the vesuvius salt is 87.3-91.0 percent. The method has low cost, and is easy for realizing industrialization.
Description
Technical field
The present invention relates to the chemical industry of inorganic salt technical field, relate in particular to a kind of method of from the carbonate-type salt lake, extracting glaserite.
Background technology
The Tibet salt lake resources mainly is present in the liquid bittern, through potassium ion behind the natural solar evaporation mainly with KCl, Na
2SO
43K
2SO
4Form exists.Make the method (seeing " a kind of method of from the carbonate-type salt lake, extracting potassium chloride ", application number 201110267872.0) of KCl with hot melt, its shortcoming is that this method is only to the method for distilling of the KCl in the hydrochloride type salt lake, to extracting Na
2SO
43K
2SO
4Not narration, and Na is at first separated out in the potassium ore deposit in the salt lake, Tibet in evaporation and crystal process
2SO
43K
2SO
4, the evaporation route is longer, and the evaporation route of KCl is shorter, so Na in the potassium ores in the carbonate-type salt lake, Tibet
2SO
43K
2SO
4Shared ratio is much larger than the KCl proportion.At present for extracting Na in the carbonate-type salt lake
2SO
43K
2SO
4Method report domesticly find as yet, also fail to find suitable floating agent.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method that adopts floatation from the carbonate-type salt lake, to extract glaserite.
For addressing the above problem, a kind of method of from the carbonate-type salt lake, extracting glaserite of the present invention may further comprise the steps:
⑴ mix salt pan, raw material Tibet potassium ores with quartering after, broken through ball mill, cross 40 mesh sieves, obtain the raw material after the fragmentation;
⑵ add the saturated mother liquor of 950 ~ 1050g and 1 ~ 3mL floating agent respectively in the raw material after the said fragmentation of every 150g, under 10 ~ 35 ℃ of temperature, roughly select, obtain foam solid-liquid A and mine tailing ore pulp A behind 3 ~ 5min respectively with groove type floatation cell;
⑶ said foam solid-liquid A obtains solid phase and roughly selects concentrate and mother liquor A after filtering separation; Said mine tailing ore pulp A obtains solid phase rougher tailings and mother liquor B after filtering separation; What said mother liquor A and said mother liquor B were back to said step ⑵ roughly selects the operation recycle;
⑷ after repeating said steps ⑵ ~ ⑶ 6 ~ 8 times, gained is roughly selected concentrate mix;
⑸ place flotation cell with the said mixed concentrate of roughly selecting, and adds said mother liquor A or said mother liquor B by the feed liquid mass volume ratio of 1:45 ~ 1:52, under 10 ~ 35 ℃ of temperature, carries out selectedly, obtains foam solid-liquid B and mine tailing ore pulp B behind 4 ~ 5min respectively; Said foam solid-liquid B obtains the glaserite mass content and is 87.3 ~ 91.0% concentrate after filter separating; Said mine tailing ore pulp B is back to the operation of roughly selecting of said step ⑵.
K in the potassium ores of salt pan, raw material Tibet among the said step ⑴
+Mass content is 4.70 ~ 10.07%, Cl
-Mass content is 42.48 ~ 49.73%, SO
4 2-Mass content is 5.17 ~ 12.31%, CO
3 2-Mass content is 0.89 ~ 1.87%.
Saturated mother liquor is meant K among the said step ⑵
+, Cl
-, SO
4 2-, CO
3 2-Be total to saturated solution, wherein K
+Mass content is 3.5 ~ 4.52%, Cl
-Mass content is 8.0 ~ 10.93%, SO
4 2-Mass content is 1.5 ~ 3.5%, CO
3 2-Mass content is 7.0 ~ 12.0%, and its pH value is 9.34 ~ 11.58.
Floating agent is to be 2% medicament by the mass concentration that petroleum sodium sulfonate, lauryl sodium sulfate and neopelex form than mixed preparing by the quality of 2:1:1 among the said step ⑵.
Roughly select the K in the concentrate among the said step ⑶
+Mass content is 25.0 ~ 29.0%, Cl
-Mass content is 8.5 ~ 13.3%, SO
4 2-Mass content is 37.0 ~ 44.0%.
K among the said step ⑶ in the rougher tailings
+Mass content is 0.68 ~ 1.45%.
The mixed K that roughly selects concentrate among the said step ⑷
+Mass content is 25.7 ~ 28.6%, Cl
-Mass content is 9.8 ~ 12.3%, SO
4 2-Mass content is 37.9 ~ 43.8%
The K of said step ⑸ concentrate
+Mass content is 30.57 ~ 32.10%, Cl
-Mass content is 2.70 ~ 4.80%, SO
4 2-Mass content is 51.2 ~ 54.7%.
The present invention compared with prior art has the following advantages:
1, the novel floating agent that adopts petroleum sodium sulfonate, lauryl sodium sulfate and neopelex mixed preparing to form among the present invention; This floating agent is primarily aimed in calcareous type salt lake bittern pH=9.34 ~ 11.58 and extracts glaserite; Adopt this floating agent to make to roughly select yield to reach 79 ~ 88%, selected yield reaches 92 ~ 97%.
2, cost of the present invention is lower, and industrialization realizes easily.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is a flow chart of the present invention.
The specific embodiment
Embodiment 1A kind of method of from the carbonate-type salt lake, extracting glaserite may further comprise the steps:
⑴ mix salt pan, raw material Tibet potassium ores with quartering after, broken through ball mill, cross 40 mesh sieves, obtain the raw material after the fragmentation.
Wherein: K in the potassium ores of salt pan, raw material Tibet
+Mass content is 4.70%, Cl
-Mass content is 49.73%, SO
4 2-Mass content is 10.52%, CO
3 2-Mass content is 0.89%.
⑵ add saturated mother liquor of 950g and 1mL floating agent in the raw material after the 150g fragmentation respectively, under 10 ℃ of temperature, roughly select, obtain foam solid-liquid A and mine tailing ore pulp A behind the 5min respectively with groove type floatation cell.
Wherein: saturated mother liquor is meant K
+, Cl
-, SO
4 2-, CO
3 2-Be total to saturated solution, wherein K
+Mass content is 3.5%, Cl
-Mass content is 8.0%, SO
4 2-Mass content is 3.5%, CO
3 2-Mass content is 7.0%,, its pH value is 9.34.
Floating agent is to be 2% medicament by the mass concentration that petroleum sodium sulfonate, lauryl sodium sulfate and neopelex form than mixed preparing by the quality of 2:1:1.
⑶ foam solid-liquid A obtains solid phase and roughly selects concentrate 25g and mother liquor A after filtering separation.Roughly select the K in the concentrate
+Mass content is 29.0%, Cl
-Mass content is 13.3%, SO
4 2-Mass content is 37.0%.
Mine tailing ore pulp A obtains solid phase rougher tailings 185g and mother liquor B after filtering separation.K in the rougher tailings
+Mass content is 0.68%.
Wherein: what mother liquor A and mother liquor B were back to step ⑵ roughly selects the operation recycle.
⑷ after repeating step ⑵ ~ ⑶ 6 ~ 8 times, gained is roughly selected concentrate mix.Wherein: the mixed K that roughly selects concentrate
+Mass content is 25.7%, Cl
-Mass content is 9.8%, SO
4 2-Mass content is 37.9%.
⑸ place flotation cell with the mixed concentrate of roughly selecting, and the feed liquid mass volume ratio (g/mL) of pressing 1:45 adds mother liquor A or mother liquor B, under 25 ℃ of temperature, carries out selectedly, obtains foam solid-liquid B and mine tailing ore pulp B 9g behind the 5min respectively.
Foam solid-liquid B obtains the glaserite mass content and is 87.3 ~ 91.0% concentrate 115g after filter separating.Wherein: the K of concentrate
+Mass content is 30.57%, Cl
-Mass content is 4.80%, SO
4 2-Mass content is 54.7%.
Mine tailing ore pulp B is back to the operation of roughly selecting of said step ⑵.
Through measuring and calculating, roughly selecting yield is 79%, and selected yield is 92%.
Embodiment 2A kind of method of from the carbonate-type salt lake, extracting glaserite may further comprise the steps:
⑴ mix salt pan, raw material Tibet potassium ores with quartering after, broken through ball mill, cross 40 mesh sieves, obtain the raw material after the fragmentation.
Wherein: K in the potassium ores of salt pan, raw material Tibet
+Mass content is 10.07%, Cl
-Mass content is 42.48%, SO
4 2-Mass content is 12.31%, CO
3 2-Mass content is 1.82%.
⑵ add saturated mother liquor of 1050g and 2mL floating agent in the raw material after the 150g fragmentation respectively, under 20 ℃ of temperature, roughly select, obtain foam solid-liquid A and mine tailing ore pulp A behind the 4min respectively with groove type floatation cell.
Wherein: saturated mother liquor is meant K
+, Cl
-, SO
4 2-, CO
3 2-Be total to saturated solution, wherein K
+Mass content is 4.52%, Cl
-Mass content is 10.93%, SO
4 2-Mass content is 1.5%, CO
3 2-Mass content is 12.0%,, its pH value is 11.58.
Floating agent is to be 2% medicament by the mass concentration that petroleum sodium sulfonate, lauryl sodium sulfate and neopelex form than mixed preparing by the quality of 2:1:1.
⑶ foam solid-liquid A obtains solid phase and roughly selects concentrate 28g and mother liquor A after filtering separation.Roughly select the K in the concentrate
+Mass content is 25.0%, Cl
-Mass content is 8.5%, SO
4 2-Mass content is 44.0%.
Mine tailing ore pulp A obtains solid phase rougher tailings 200g and mother liquor B after filtering separation.K in the rougher tailings
+Mass content is 1.45%.
What mother liquor A and mother liquor B were back to step ⑵ roughly selects the operation recycle.
⑷ after repeating step ⑵ ~ ⑶ 6 ~ 8 times, gained is roughly selected concentrate mix.Wherein: the mixed K that roughly selects concentrate
+Mass content is 28.6%, Cl
-Mass content is 10.5%, SO
4 2-Mass content is 43.8%.
⑸ place flotation cell with the mixed concentrate of roughly selecting, and the feed liquid mass volume ratio (g/mL) of pressing 1:52 adds mother liquor A or mother liquor B, under 10 ℃ of temperature, carries out selectedly, obtains foam solid-liquid B and mine tailing ore pulp B 15g behind the 4min respectively.Foam solid-liquid B obtains the glaserite mass content and is 87.3 ~ 91.0% concentrate 121g after filter separating.Wherein: the K of concentrate
+Mass content is 32.10%, Cl
-Mass content is 2.70%, SO
4 2-Mass content is 51.2%.
Mine tailing ore pulp B is back to the operation of roughly selecting of step ⑵.
Through measuring and calculating, roughly selecting yield is 88%, and selected yield is 97%.
Embodiment 3A kind of method of from the carbonate-type salt lake, extracting glaserite may further comprise the steps:
⑴ mix salt pan, raw material Tibet potassium ores with quartering after, broken through ball mill, cross 40 mesh sieves, obtain the raw material after the fragmentation.
Wherein: K in the potassium ores of salt pan, raw material Tibet
+Mass content is 8.52%, Cl
-Mass content is 45.66%, SO
4 2-Mass content is 5.17%, CO
3 2-Mass content is 1.87%.
⑵ add saturated mother liquor of 1000g and 3mL floating agent in the raw material after the 150g fragmentation respectively, under 35 ℃ of temperature, roughly select, obtain foam solid-liquid A and mine tailing ore pulp A behind the 3min respectively with groove type floatation cell.
Wherein: saturated mother liquor is meant K
+, Cl
-, SO
4 2-, CO
3 2-Be total to saturated solution, wherein K
+Mass content is 4.0%, Cl
-Mass content is 10.0%, SO
4 2-Mass content is 3.2%, CO
3 2-Mass content is 11.5%,, its pH value is 11.0.
Floating agent is to be 2% medicament by the mass concentration that petroleum sodium sulfonate, lauryl sodium sulfate and neopelex form than mixed preparing by the quality of 2:1:1.
⑶ foam solid-liquid A obtains solid phase and roughly selects concentrate 32g and mother liquor A after filtering separation.Roughly select the K in the concentrate
+Mass content is 27.2%, Cl
-Mass content is 11.2%, SO
4 2-Mass content is 39.2%.
Mine tailing ore pulp A obtains solid phase rougher tailings 210g and mother liquor B after filtering separation.K in the rougher tailings
+Mass content is 1.02%.
What mother liquor A and mother liquor B were back to step ⑵ roughly selects the operation recycle.
⑷ after repeating step ⑵ ~ ⑶ 6 ~ 8 times, gained is roughly selected concentrate mix.Wherein: the mixed K that roughly selects concentrate
+Mass content is 27.2%, Cl
-Mass content is 12.3%, SO
4 2-Mass content is 40.2%.
⑸ place flotation cell with the mixed concentrate of roughly selecting, and the feed liquid mass volume ratio (g/mL) of pressing 1:50 adds mother liquor A or mother liquor B, under 35 ℃ of temperature, carries out selectedly, obtains foam solid-liquid B and mine tailing ore pulp B 12g behind the 4.5min respectively.Foam solid-liquid B obtains the glaserite mass content and is 87.3 ~ 91.0% concentrate 125g after filter separating; Wherein: the K of concentrate
+Mass content is 31.2%, Cl
-Mass content is 3.2%, SO
4 2-Mass content is 52.2%.
Mine tailing ore pulp B is back to the operation of roughly selecting of step ⑵.
Through measuring and calculating, roughly selecting yield is 85%, and selected yield is 95.5%.
Claims (7)
1. method of from the carbonate-type salt lake, extracting glaserite may further comprise the steps:
⑴ mix salt pan, raw material Tibet potassium ores with quartering after, broken through ball mill, cross 40 mesh sieves, obtain the raw material after the fragmentation;
⑵ add the saturated mother liquor of 950 ~ 1050g and 1 ~ 3mL floating agent respectively in the raw material after the said fragmentation of every 150g, under 10 ~ 35 ℃ of temperature, roughly select, obtain foam solid-liquid A and mine tailing ore pulp A behind 3 ~ 5min respectively with groove type floatation cell;
⑶ said foam solid-liquid A obtains solid phase and roughly selects concentrate and mother liquor A after filtering separation; Said mine tailing ore pulp A obtains solid phase rougher tailings and mother liquor B after filtering separation; What said mother liquor A and said mother liquor B were back to said step ⑵ roughly selects the operation recycle;
⑷ after repeating said steps ⑵ ~ ⑶ 6 ~ 8 times, gained is roughly selected concentrate mix;
⑸ place flotation cell with the said mixed concentrate of roughly selecting, and adds said mother liquor A or said mother liquor B by the feed liquid mass volume ratio of 1:45 ~ 1:52, under 10 ~ 35 ℃ of temperature, carries out selectedly, obtains foam solid-liquid B and mine tailing ore pulp B behind 4 ~ 5min respectively; Said foam solid-liquid B obtains the glaserite mass content and is 87.3 ~ 91.0% concentrate after filter separating; Said mine tailing ore pulp B is back to the operation of roughly selecting of said step ⑵.
2. a kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1 is characterized in that: K in the potassium ores of salt pan, raw material Tibet among the said step ⑴
+Mass content is 4.70 ~ 10.07%, Cl
-Mass content is 42.48 ~ 49.73%, SO
4 2-Mass content is 5.17 ~ 12.31%, CO
3 2-Mass content is 0.89 ~ 1.87%.
3. a kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1, it is characterized in that: saturated mother liquor is meant K among the said step ⑵
+, Cl
-, SO
4 2-, CO
3 2-Be total to saturated solution, wherein K
+Mass content is 3.5 ~ 4.52%, Cl
-Mass content is 8.0 ~ 10.93%, SO
4 2-Mass content is 1.5 ~ 3.5%, CO
3 2-Mass content is 7.0 ~ 12.0%, and its pH value is 9.34 ~ 11.58.
4. a kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1 is characterized in that: floating agent is to be 2% medicament by the mass concentration that petroleum sodium sulfonate, lauryl sodium sulfate and neopelex form than mixed preparing by the quality of 2:1:1 among the said step ⑵.
5. a kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1 is characterized in that: roughly select the K in the concentrate among the said step ⑶
+Mass content is 25.0 ~ 29.0%, Cl
-Mass content is 8.5 ~ 13.3%, SO
4 2-Mass content is 37.0 ~ 44.0%.
6. a kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1 is characterized in that: the K among the said step ⑶ in the rougher tailings
+Mass content is 0.68 ~ 1.45%.
7. a kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1 is characterized in that: the mixed K that roughly selects concentrate among the said step ⑷
+Mass content is 25.7 ~ 28.6%, Cl
-Mass content is 9.8 ~ 12.3%, SO
4 2-Mass content is 37.9 ~ 43.8%
A kind of method of from the carbonate-type salt lake, extracting glaserite as claimed in claim 1 is characterized in that: the K of said step ⑸ concentrate
+Mass content is 30.57 ~ 32.10%, Cl
-Mass content is 2.70 ~ 4.80%, SO
4 2-Mass content is 51.2 ~ 54.7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210106566 CN102626674B (en) | 2012-04-12 | 2012-04-12 | Method for extracting vesuvius salt from carbonate saline lake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210106566 CN102626674B (en) | 2012-04-12 | 2012-04-12 | Method for extracting vesuvius salt from carbonate saline lake |
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| CN102626674B CN102626674B (en) | 2013-07-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849757A (en) * | 2012-09-28 | 2013-01-02 | 中国科学院青海盐湖研究所 | Floatation method for extracting aphthitalite and potassium chloride from carbonate type salt lake |
| CN104646190A (en) * | 2015-02-13 | 2015-05-27 | 化工部长沙设计研究院 | Method for floating and extracting glaserite concentrate by utilizing sulfate-type potassium mixed salt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3533735A (en) * | 1966-05-13 | 1970-10-13 | Lithium Corp | Production of potassium chloride from schoenite and from brines containing potassium,magnesium,chloride and sulfate |
| US3675773A (en) * | 1969-08-06 | 1972-07-11 | Occidental Petroleum Corp | Flotation separation of glaserite from sodium chloride and other salts |
| US3910773A (en) * | 1970-04-06 | 1975-10-07 | Occidental Petroleum Corp | Beneficiation of salts crystallized from searles lake brine |
| CN1101895A (en) * | 1994-06-16 | 1995-04-26 | 李志忠 | Process for producing potassium sulfate |
| CN1314308A (en) * | 2001-05-18 | 2001-09-26 | 付国杰 | Method for preparing potassium sulfate by one section conversion flotation process |
-
2012
- 2012-04-12 CN CN 201210106566 patent/CN102626674B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3533735A (en) * | 1966-05-13 | 1970-10-13 | Lithium Corp | Production of potassium chloride from schoenite and from brines containing potassium,magnesium,chloride and sulfate |
| US3675773A (en) * | 1969-08-06 | 1972-07-11 | Occidental Petroleum Corp | Flotation separation of glaserite from sodium chloride and other salts |
| US3910773A (en) * | 1970-04-06 | 1975-10-07 | Occidental Petroleum Corp | Beneficiation of salts crystallized from searles lake brine |
| CN1101895A (en) * | 1994-06-16 | 1995-04-26 | 李志忠 | Process for producing potassium sulfate |
| CN1314308A (en) * | 2001-05-18 | 2001-09-26 | 付国杰 | Method for preparing potassium sulfate by one section conversion flotation process |
Non-Patent Citations (2)
| Title |
|---|
| 宋彭生等: "《盐湖资源开发利用进展》", 《无机化学学报》, vol. 27, no. 5, 10 May 2011 (2011-05-10) * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849757A (en) * | 2012-09-28 | 2013-01-02 | 中国科学院青海盐湖研究所 | Floatation method for extracting aphthitalite and potassium chloride from carbonate type salt lake |
| CN102849757B (en) * | 2012-09-28 | 2014-04-02 | 中国科学院青海盐湖研究所 | Floatation method for extracting aphthitalite and potassium chloride from carbonate type salt lake |
| CN104646190A (en) * | 2015-02-13 | 2015-05-27 | 化工部长沙设计研究院 | Method for floating and extracting glaserite concentrate by utilizing sulfate-type potassium mixed salt |
| CN104646190B (en) * | 2015-02-13 | 2017-04-26 | 化工部长沙设计研究院 | Method for floating and extracting glaserite concentrate by utilizing sulfate-type potassium mixed salt |
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| CN102626674B (en) | 2013-07-17 |
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