CN104911350B - A kind of tailings processing method - Google Patents
A kind of tailings processing method Download PDFInfo
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- CN104911350B CN104911350B CN201510269724.0A CN201510269724A CN104911350B CN 104911350 B CN104911350 B CN 104911350B CN 201510269724 A CN201510269724 A CN 201510269724A CN 104911350 B CN104911350 B CN 104911350B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention relates to zinc, lead, silver ore slag recovery technology, specifically a kind of tailings processing method.The present invention solve existing zinc, lead, the silver ore slag recovery technology rate of recovery is low, cost recovery is high, be unfavorable for energy-conservation with environmental protection the problem of.A kind of tailings processing method, this method is realized using following steps：1）Contained zinc ion, lead ion, silver ion, gold ion in calcium hypochlorite and the common Leaching Zinc of sodium chloride, lead, silver ore slag；2）Lead ion contained in filtrate, silver ion, gold ion are replaced as lead, silver, gold by iron powder；3）Sulfuric acid and ammoniacal liquor fully react with zinc ion and generate zinc hydroxide precipitation jointly；4）Zinc hydroxide precipitation is filtered.The present invention is applied to zinc, lead, the recovery of silver ore slag.
Description
Technical field
The present invention relates to zinc, lead, silver ore slag recovery technology, specifically a kind of tailings processing method.
Background technology
Counted according to sampling analysis, zinc 30-40kg, lead 18-23kg, silver are generally about contained in zinc per ton, lead, silver ore slag
180-220g.Therefore, zinc, lead, silver ore slag contain the economic value further recycled.But existing zinc, lead, silver ore
Slag recovery technology is limited by itself principle, and the generally existing rate of recovery is low, cost recovery is high, be unfavorable for energy-conservation and environmentally friendly is asked
Topic.Based on this, it is necessary to invent a kind of brand-new zinc, lead, silver ore slag recovery technology, reclaimed with solving existing zinc, lead, silver ore slag
The technology rate of recovery is low, cost recovery is high, be unfavorable for energy-conservation with environmental protection the problem of.
The content of the invention
The present invention is in order to solve existing zinc, lead, the silver ore slag recovery technology rate of recovery is low, cost recovery is high, be unfavorable for energy-conservation
The problem of with environmental protection, there is provided a kind of tailings processing method.
The present invention adopts the following technical scheme that realization：A kind of tailings processing method, this method is to use following steps
Realize：
1）Zinc, lead, silver ore slag are placed in saturation ammonia spirit, and ensure saturation ammonia spirit and zinc, lead, silver ore slag
Mass ratio is 6:1；Then, the calcium hypochlorite and density that addition density is 16kg/m3 into saturation ammonia spirit are 36kg/m3's
Sodium chloride, and ensure the pH values of saturation ammonia spirit for 9-10；Then, it is sufficiently stirred for 1 hour, calcium hypochlorite and sodium chloride are common
Contained zinc ion, lead ion, silver ion, gold ion in same Leaching Zinc, lead, silver ore slag；
2）Contamination precipitation contained in zinc, lead, silver ore slag is filtered, and obtain containing zinc ion, lead ion, it is silver-colored from
Son, the filtrate of gold ion；Then, enough iron powders are added into filtrate, and are sufficiently stirred for 30 minutes, iron powder will be contained in filtrate
Lead ion, silver ion, gold ion are replaced as lead, silver, gold；
3）Lead, silver, gold are filtered, and obtain the filtrate containing zinc ion；Then, sulfuric acid is added into filtrate, and
The pH values for ensureing filtrate are 7, and sulfuric acid and ammoniacal liquor fully react with zinc ion and generates zinc hydroxide precipitation jointly；
4）Zinc hydroxide precipitation is filtered.
Compared with existing zinc, lead, silver ore slag recovery technology, a kind of tailings processing method of the present invention is based on brand-new
Principle, possesses following advantage：First, a kind of tailings processing method of the present invention is first to contained in zinc, lead, silver ore slag
Zinc ion, lead ion, silver ion, gold ion leached, then first the lead ion, silver ion, gold ion that are leached are entered
Line replacement, then the zinc ion being leached is precipitated, zinc, lead, the recycling of silver ore slag are thus achieved, so as to not only have
Effect improves the rate of recovery, and effectively reduces cost recovery.Experiment shows, using a kind of tailings glass side of the present invention
Method is recycled to zinc, lead, silver ore slag, and the rate of recovery of zinc is up to 89-93%, and the rate of recovery of lead is up to 88-91%, and silver-colored returns
High income reaches 80-83%, and cost recovery is greatly reduced.Second, the ammonia that a kind of tailings processing method of the present invention is used
The aqueous solution, sodium chloride may be derived from industrial wastewater（Industrial deposed ammonia, Industry Waste salt solution）, thus achieve using at industrial wastewater
Manage waste residue（Realize the recycling of industrial wastewater）, so as to not only effectively reduce cost recovery, and be conducive to energy-conservation with
Environmental protection.
The present invention efficiently solves existing zinc, lead, the silver ore slag recovery technology rate of recovery is low, cost recovery is high, be unfavorable for section
Can be with environmental protection the problem of, it is adaptable to zinc, lead, the recovery of silver ore slag.
Embodiment
Embodiment one
A kind of tailings processing method, this method is realized using following steps：
1）Zinc, lead, silver ore slag are placed in saturation ammonia spirit, and ensure saturation ammonia spirit and zinc, lead, silver ore slag
Mass ratio is 6:1；Then, the calcium hypochlorite and density that addition density is 16kg/m3 into saturation ammonia spirit are 36kg/m3's
Sodium chloride, and ensure that the pH values of saturation ammonia spirit are 9；Then, it is sufficiently stirred for 1 hour, calcium hypochlorite and sodium chloride soak jointly
Go out zinc ion contained in zinc, lead, silver ore slag, lead ion, silver ion, gold ion；
2）Contamination precipitation contained in zinc, lead, silver ore slag is filtered, and obtain containing zinc ion, lead ion, it is silver-colored from
Son, the filtrate of gold ion；Then, enough iron powders are added into filtrate, and are sufficiently stirred for 30 minutes, iron powder will be contained in filtrate
Lead ion, silver ion, gold ion are replaced as lead, silver, gold；
3）Lead, silver, gold are filtered, and obtain the filtrate containing zinc ion；Then, sulfuric acid is added into filtrate, and
The pH values for ensureing filtrate are 7, and sulfuric acid and ammoniacal liquor fully react with zinc ion and generates zinc hydroxide precipitation jointly；
4）Zinc hydroxide precipitation is filtered.
Embodiment two
A kind of tailings processing method, this method is realized using following steps：
1）Zinc, lead, silver ore slag are placed in saturation ammonia spirit, and ensure saturation ammonia spirit and zinc, lead, silver ore slag
Mass ratio is 6:1；Then, the calcium hypochlorite and density that addition density is 16kg/m3 into saturation ammonia spirit are 36kg/m3's
Sodium chloride, and ensure that the pH values of saturation ammonia spirit are 10；Then, it is sufficiently stirred for 1 hour, calcium hypochlorite and sodium chloride are common
Contained zinc ion, lead ion, silver ion, gold ion in Leaching Zinc, lead, silver ore slag；
2）Contamination precipitation contained in zinc, lead, silver ore slag is filtered, and obtain containing zinc ion, lead ion, it is silver-colored from
Son, the filtrate of gold ion；Then, enough iron powders are added into filtrate, and are sufficiently stirred for 30 minutes, iron powder will be contained in filtrate
Lead ion, silver ion, gold ion are replaced as lead, silver, gold；
3）Lead, silver, gold are filtered, and obtain the filtrate containing zinc ion；Then, sulfuric acid is added into filtrate, and
The pH values for ensureing filtrate are 7, and sulfuric acid and ammoniacal liquor fully react with zinc ion and generates zinc hydroxide precipitation jointly；
4）Zinc hydroxide precipitation is filtered.
Embodiment three
A kind of tailings processing method, this method is realized using following steps：
1）Zinc, lead, silver ore slag are placed in saturation ammonia spirit, and ensure saturation ammonia spirit and zinc, lead, silver ore slag
Mass ratio is 6:1；Then, the calcium hypochlorite and density that addition density is 16kg/m3 into saturation ammonia spirit are 36kg/m3's
Sodium chloride, and ensure that the pH values of saturation ammonia spirit are 9.5；Then, it is sufficiently stirred for 1 hour, calcium hypochlorite and sodium chloride are common
Contained zinc ion, lead ion, silver ion, gold ion in Leaching Zinc, lead, silver ore slag；
2）Contamination precipitation contained in zinc, lead, silver ore slag is filtered, and obtain containing zinc ion, lead ion, it is silver-colored from
Son, the filtrate of gold ion；Then, enough iron powders are added into filtrate, and are sufficiently stirred for 30 minutes, iron powder will be contained in filtrate
Lead ion, silver ion, gold ion are replaced as lead, silver, gold；
3）Lead, silver, gold are filtered, and obtain the filtrate containing zinc ion；Then, sulfuric acid is added into filtrate, and
The pH values for ensureing filtrate are 7, and sulfuric acid and ammoniacal liquor fully react with zinc ion and generates zinc hydroxide precipitation jointly；
4）Zinc hydroxide precipitation is filtered.
Claims (1)
1. a kind of tailings processing method, it is characterised in that：This method is realized using following steps：
1）Zinc, lead, silver ore slag are placed in saturation ammonia spirit, and ensure saturation ammonia spirit and zinc, lead, the quality of silver ore slag
Than for 6:1；Then, the calcium hypochlorite that density is 16kg/m3 and the chlorination that density is 36kg/m3 are added into saturation ammonia spirit
Sodium, and ensure the pH values of saturation ammonia spirit for 9-10；Then, it is sufficiently stirred for 1 hour, calcium hypochlorite and sodium chloride soak jointly
Go out zinc ion contained in zinc, lead, silver ore slag, lead ion, silver ion, gold ion；
2）Contamination precipitation contained in zinc, lead, silver ore slag is filtered, and obtain containing zinc ion, lead ion, silver ion,
The filtrate of gold ion；Then, enough iron powders are added into filtrate, and are sufficiently stirred for 30 minutes, iron powder is by lead contained in filtrate
Ion, silver ion, gold ion are replaced as lead, silver, gold；
3）Lead, silver, gold are filtered, and obtain the filtrate containing zinc ion；Then, sulfuric acid is added into filtrate, and is ensured
The pH values of filtrate are 7, and sulfuric acid and ammoniacal liquor fully react with zinc ion and generates zinc hydroxide precipitation jointly；
4）Zinc hydroxide precipitation is filtered.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266908A (en) * | 1999-03-14 | 2000-09-20 | 龙诗明 | Process for separating metallurgical materials of Zn, Cu, Cd and Pb by wet method and its application |
| CN102776368A (en) * | 2012-06-29 | 2012-11-14 | 张晋敏 | Lead and zinc tailing recycling method |
| CN103757420A (en) * | 2014-01-20 | 2014-04-30 | 北京矿冶研究总院 | Method for recovering lead and silver from zinc leaching residues |
-
2015
- 2015-05-25 CN CN201510269724.0A patent/CN104911350B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266908A (en) * | 1999-03-14 | 2000-09-20 | 龙诗明 | Process for separating metallurgical materials of Zn, Cu, Cd and Pb by wet method and its application |
| CN102776368A (en) * | 2012-06-29 | 2012-11-14 | 张晋敏 | Lead and zinc tailing recycling method |
| CN103757420A (en) * | 2014-01-20 | 2014-04-30 | 北京矿冶研究总院 | Method for recovering lead and silver from zinc leaching residues |
Non-Patent Citations (1)
| Title |
|---|
| 从氧化型含金矿石中浸取金和银;李希明等;《黄金》;19921231;第13卷(第9期);第38页左栏第15行至右栏第4行，第39页左栏倒数第2行至右栏第4行 * |
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Inventor after: Su Jinzhan Inventor after: Yang Bingjian Inventor after: Du Xiaojiao Inventor after: Zhang Jinmin Inventor before: Zhang Jinmin |
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Effective date of registration: 20170818 Address after: 361101, Fujian, Xiangan District, Xiamen five star road, building 481, on the third floor of the west side Applicant after: Xiamen Rimao Urban Garden Construction Co., Ltd. Address before: 048106 people's Government of Yangcheng County, Yangcheng County, Shanxi, Jincheng Applicant before: Zhang Jinmin |
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Address after: 518040 Hongsong Building Area A 5C, Tian'an Community, Shatou Street, Futian District, Shenzhen City, Guangdong Province, at the junction of Tairan 9 and Tairan 6 Patentee after: Shenzhen Risheng Ecological Technology Co., Ltd. Address before: 361101 West Side of the Third Floor of No. 481 Wuxing Road Complex Building, Xiangan District, Xiamen City, Fujian Province Patentee before: Xiamen Rimao Urban Garden Construction Co., Ltd. |
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