CN102974604A - Method and product for producing soil remediation fertilizer by utilizing high-silicon iron tailings - Google Patents
Method and product for producing soil remediation fertilizer by utilizing high-silicon iron tailings Download PDFInfo
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- CN102974604A CN102974604A CN2012105438808A CN201210543880A CN102974604A CN 102974604 A CN102974604 A CN 102974604A CN 2012105438808 A CN2012105438808 A CN 2012105438808A CN 201210543880 A CN201210543880 A CN 201210543880A CN 102974604 A CN102974604 A CN 102974604A
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- weight portion
- growth regulator
- tailings
- plant growth
- heavy metal
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- 239000002689 soil Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 48
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 35
- 239000010703 silicon Substances 0.000 title claims abstract description 35
- 238000005067 remediation Methods 0.000 title claims abstract description 31
- 239000003337 fertilizer Substances 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 10
- 229910052742 iron Inorganic materials 0.000 title abstract 5
- 239000005648 plant growth regulator Substances 0.000 claims abstract description 43
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 37
- 235000016709 nutrition Nutrition 0.000 claims abstract description 37
- 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 claims abstract description 33
- 239000011230 binding agent Substances 0.000 claims abstract description 33
- 239000004021 humic acid Substances 0.000 claims abstract description 33
- 150000002500 ions Chemical class 0.000 claims abstract description 33
- 230000035764 nutrition Effects 0.000 claims abstract description 33
- 239000003415 peat Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 4
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 claims description 38
- 239000003795 chemical substances by application Substances 0.000 claims description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 19
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 15
- 230000003179 granulation Effects 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 238000010298 pulverizing process Methods 0.000 claims description 12
- 230000005415 magnetization Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000013036 cure process Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 239000005979 Forchlorfenuron Substances 0.000 claims description 5
- GPXLRLUVLMHHIK-UHFFFAOYSA-N forchlorfenuron Chemical compound C1=NC(Cl)=CC(NC(=O)NC=2C=CC=CC=2)=C1 GPXLRLUVLMHHIK-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000011109 contamination Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention relates to a method for producing a soil remediation fertilizer by utilizing high-silicon iron tailings. The method comprises the steps of: adding 6-10 parts of a heavy metal ion remover, 10-15 parts of peat nutrient soil, 8-12 parts of humic acid, 7-11 parts of a plant growth regulator and 0.5-2 parts of a plant binding agent in 55-65 parts of the high-silicon iron tailings, and carrying out grinding treatment on the mixed materials. The invention aims at providing a method and a product for producing the soil remediation fertilizer by utilizing the high-silicon iron tailings, and according to the method and the product, organic matters of soil can be increased and updated, the physical and chemical properties of the soil are improved, the nutrition needed by plants is provided, a relatively good restoration effect on cultivated land polluted by heavy metal is realized, abundant nutrient ingredients for various crops are provided, and the high-silicon iron tailings can be fully developed and used so that the economic benefits are improved and the environment pollution is reduced.
Description
Technical field
The present invention relates to a kind of method and product that utilizes tailings of high silicon iron production soil remediation fertilizer.
Background technology
Existing tailings of high silicon iron not only causes the waste of resource owing to fail to be developed fully, also can cause the pollution to environment.For this reason, country utilizes 12 planning about mine tailing, and tailings harmless is agricultural as the most important thing.In addition, more existing arable lands owing to be subject to heavy metal pollution, perhaps because soil lacks the required essential elements of plant growth, cause the output of crops, security all to go wrong, and utilize prior art to be difficult to solve.
Summary of the invention
The object of the present invention is to provide a kind ofly increases and upgrades the soil organism, improve the physicochemical property of soil, the plant desired nutritional is provided, contaminated by heavy metals arable land there is preferably recovery dynatron effect, can be simultaneously various crops abundant nutritional labeling is provided, and can be to tailings of high silicon iron application in addition fully, to increase economic efficiency the method and the product that utilize tailings of high silicon iron production soil remediation fertilizer of environmental contamination reduction.
The method of utilizing tailings of high silicon iron production soil remediation fertilizer of the present invention comprises the steps:
A, prepare tailings of high silicon iron, and tailings of high silicon iron is magnetized processing, the intensity of magnetization is 800GS-2000GS, processes by magnetization, has improved the activity of element silicon, water-soluble and solubility in citric acid, becomes effective agricultural silicon;
B, the effective agricultural silicon that steps A is obtained, effective agricultural silicon according to the 55-65 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 6-10 weight portion, the peat Nutrition Soil of 10-15 weight portion, 8-12 weight portion, the plant growth regulator of 7-11 weight portion and 0.5-2 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder, and mix and blend, then mixed material is carried out pulverization process;
C, the material after the pulverization process is added the water humidification process, add the water humidification to boning shape, then material is carried out extrusion modling and process;
D, the material of extrusion modling is carried out broken granulation, and the double deck screen divisional processing is carried out in granulation, divide the particle at middle part to being positioned at double deck screen, grind round as a ball processing;
E, carry out dry cure process to grinding the particle that round as a ball processing obtains;
F, the particle that dry cure process is obtained carry out the vibrosieve processing;
G, vibrosieve is processed the particle the obtain packing of filming.
The method of utilizing tailings of high silicon iron production soil remediation fertilizer of the present invention, the granularity of tailings of high silicon iron is 5-50mm in the wherein said steps A; Among the described step B according to the effective agricultural silicon of 58-62 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 7-9 weight portion, the peat Nutrition Soil of 12-14 weight portion, 9-11 weight portion, the plant growth regulator of 8-10 weight portion and 0.8-1.5 weight portion adds removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
The method of utilizing tailings of high silicon iron production soil remediation fertilizer of the present invention, among the wherein said step B according to the effective agricultural silicon of 60 weight portions, add the ratio of the plant binder of the plant growth regulator of humic acid, 9 weight portions of peat Nutrition Soil, 10 weight portions of removal of heavy metal ions agent, 13 weight portions of 8 weight portions and 1 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
The method of utilizing tailings of high silicon iron production soil remediation fertilizer of the present invention, adopt permanent magnetic device that tailings of high silicon iron is magnetized processing in the wherein said steps A, adopt horizontal mixer to carry out mix and blend among the described step B, adopt chain breaker that mixed material is carried out pulverization process; Adopt the pair roller Squeezinggranulator that the material of extrusion modling is carried out broken granulation among the described step D, adopt the double deck screen extension set that the double deck screen divisional processing is carried out in granulation, to staying the upper strata large granule of double-deck screening, send into and re-start broken granulation in the pair roller Squeezinggranulator, to falling the extra granular of double-deck screening below, turn back to step C, re-start and add the water humidification and process; Adopting vibrating screen classifier to carry out vibrosieve in the described step F processes; Adopt coating machine to the particle packing of filming among the described step G, described plant growth regulator is red mould forchlorfenuron plant growth regulator.
Soil remediation of the present invention is fertile, adopts following steps production to make:
A, prepare tailings of high silicon iron, and tailings of high silicon iron is magnetized processing, the intensity of magnetization is 800GS-2000GS, processes by magnetization, has improved the activity of element silicon, water-soluble and solubility in citric acid, becomes effective agricultural silicon;
B, the effective agricultural silicon that steps A is obtained, effective agricultural silicon according to the 55-65 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 6-10 weight portion, the peat Nutrition Soil of 10-15 weight portion, 8-12 weight portion, the plant growth regulator of 7-11 weight portion and 0.5-2 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder, and mix and blend, then mixed material is carried out pulverization process, can obtain soil remediation fertilizer.
Soil remediation of the present invention is fertile, and the granularity of tailings of high silicon iron is 5-50mm in the wherein said steps A; Among the described step B according to the effective agricultural silicon of 58-62 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 7-9 weight portion, the peat Nutrition Soil of 12-14 weight portion, 9-11 weight portion, the plant growth regulator of 8-10 weight portion and 0.8-1.5 weight portion adds removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
Soil remediation of the present invention is fertile, among the wherein said step B according to the effective agricultural silicon of 60 weight portions, add the ratio of the plant binder of the plant growth regulator of humic acid, 9 weight portions of peat Nutrition Soil, 10 weight portions of removal of heavy metal ions agent, 13 weight portions of 8 weight portions and 1 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
Soil remediation of the present invention is fertile, and wherein said plant growth regulator is red mould forchlorfenuron plant growth regulator.
Method and the product that utilizes tailings of high silicon iron production soil remediation fertilizer of the present invention, adopt the exclusive composition and engineering step of the present invention, effective agricultural silicon according to the 55-65 weight portion, the removal of heavy metal ions agent that adds the 6-10 weight portion, the peat Nutrition Soil of 10-15 weight portion, the humic acid of 8-12 weight portion, the ratio of the plant binder of the plant growth regulator of 7-11 weight portion and 0.5-2 weight portion, add the removal of heavy metal ions agent, the peat Nutrition Soil, humic acid, plant growth regulator and plant binder, and mix and blend, then mixed material is carried out pulverization process, the soil remediation that obtains is fertile, can increase and upgrade the soil organism, improve the physicochemical property of soil, the plant desired nutritional is provided, contaminated by heavy metals arable land there is preferably recovery dynatron effect, can be simultaneously various crops abundant nutritional labeling is provided, and can be to tailings of high silicon iron application in addition fully, to increase economic efficiency environmental contamination reduction.Therefore, the method for tailings of high silicon iron production soil remediation fertilizer and the product of utilizing of the present invention has outstanding substantive distinguishing features and significant progressive.
Be described further below in conjunction with the method and the product that the present invention are utilized tailings of high silicon iron production soil remediation fertilizer.
The specific embodiment
Embodiment 1
The present invention utilizes the method for tailings of high silicon iron production soil remediation fertilizer, comprises the steps:
A, prepare tailings of high silicon iron, and tailings of high silicon iron is magnetized processing, the intensity of magnetization is 800GS-2000GS, processes by magnetization, has improved the activity of element silicon, water-soluble and solubility in citric acid, becomes effective agricultural silicon;
B, the effective agricultural silicon that steps A is obtained, effective agricultural silicon according to the 55-65 weight portion, the removal of heavy metal ions agent that adds the 6-10 weight portion, the peat Nutrition Soil of 10-15 weight portion, the humic acid of 8-12 weight portion, the ratio of the plant binder of the plant growth regulator of 7-11 weight portion and 0.5-2 weight portion, add the removal of heavy metal ions agent, the peat Nutrition Soil, humic acid, plant growth regulator and plant binder, plant growth regulator is red mould forchlorfenuron plant growth regulator, and mix and blend, then mixed material is carried out pulverization process;
C, the material after the pulverization process is added the water humidification process, add the water humidification to boning shape, then material is carried out extrusion modling and process;
D, the material of extrusion modling is carried out broken granulation, and the double deck screen divisional processing is carried out in granulation, divide the particle at middle part to being positioned at double deck screen, grind round as a ball processing;
E, carry out dry cure process to grinding the particle that round as a ball processing obtains;
F, the particle that dry cure process is obtained carry out the vibrosieve processing;
G, vibrosieve is processed the particle the obtain packing of filming, can obtain soil remediation fertilizer.
As improvement of the present invention, the granularity of tailings of high silicon iron is 5-50mm among the above-mentioned steps A; Among the step B according to the effective agricultural silicon of 58-62 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 7-9 weight portion, the peat Nutrition Soil of 12-14 weight portion, 9-11 weight portion, the plant growth regulator of 8-10 weight portion and 0.8-1.5 weight portion adds removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
As a further improvement on the present invention, among the above-mentioned steps B according to the effective agricultural silicon of 60 weight portions, add the ratio of the plant binder of the plant growth regulator of humic acid, 9 weight portions of peat Nutrition Soil, 10 weight portions of removal of heavy metal ions agent, 13 weight portions of 8 weight portions and 1 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
As a further improvement on the present invention, adopt permanent magnetic device that tailings of high silicon iron is magnetized processing among the above-mentioned steps A, adopt horizontal mixer to carry out mix and blend among the step B, adopt chain breaker that mixed material is carried out pulverization process; Adopt the pair roller Squeezinggranulator that the material of extrusion modling is carried out broken granulation among the step D, adopt the double deck screen extension set that the double deck screen divisional processing is carried out in granulation, to staying the upper strata large granule of double-deck screening, send into and re-start broken granulation in the pair roller Squeezinggranulator, to falling the extra granular of double-deck screening below, turn back to step C, re-start and add the water humidification and process; Adopting vibrating screen classifier to carry out vibrosieve in the step F processes; Adopt coating machine to the particle packing of filming among the step G.
Soil remediation of the present invention is fertile, adopts above-mentioned steps to make.
Claims (8)
1. utilize the method for tailings of high silicon iron production soil remediation fertilizer, it is characterized in that comprising the steps:
A, prepare tailings of high silicon iron, and tailings of high silicon iron is magnetized processing, the intensity of magnetization is 800GS-2000GS, processes by magnetization, has improved the activity of element silicon, water-soluble and solubility in citric acid, becomes effective agricultural silicon;
B, the effective agricultural silicon that steps A is obtained, effective agricultural silicon according to the 55-65 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 6-10 weight portion, the peat Nutrition Soil of 10-15 weight portion, 8-12 weight portion, the plant growth regulator of 7-11 weight portion and 0.5-2 weight portion, in effective agricultural silicon, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder, and mix and blend, then mixed material is carried out pulverization process;
C, the material after the pulverization process is added the water humidification process, add the water humidification to boning shape, then material is carried out extrusion modling and process;
D, the material of extrusion modling is carried out broken granulation, and the double deck screen divisional processing is carried out in granulation, divide the particle at middle part to being positioned at double deck screen, grind round as a ball processing;
E, carry out dry cure process to grinding the particle that round as a ball processing obtains;
F, the particle that dry cure process is obtained carry out the vibrosieve processing;
G, vibrosieve is processed the particle the obtain packing of filming.
2. the method for utilizing tailings of high silicon iron production soil remediation fertilizer according to claim 1, it is characterized in that: the granularity of tailings of high silicon iron is 5-50mm in the described steps A; Among the described step B according to the effective agricultural silicon of 58-62 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 7-9 weight portion, the peat Nutrition Soil of 12-14 weight portion, 9-11 weight portion, the plant growth regulator of 8-10 weight portion and 0.8-1.5 weight portion adds removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
3. the method for utilizing tailings of high silicon iron production soil remediation fertilizer according to claim 2, it is characterized in that: among the described step B according to the effective agricultural silicon of 60 weight portions, add the ratio of the plant binder of the plant growth regulator of humic acid, 9 weight portions of peat Nutrition Soil, 10 weight portions of removal of heavy metal ions agent, 13 weight portions of 8 weight portions and 1 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
4. the method for utilizing tailings of high silicon iron production soil remediation fertilizer according to claim 3, it is characterized in that: adopt permanent magnetic device that tailings of high silicon iron is magnetized processing in the described steps A, adopt horizontal mixer to carry out mix and blend among the described step B, adopt chain breaker that mixed material is carried out pulverization process; Adopt the pair roller Squeezinggranulator that the material of extrusion modling is carried out broken granulation among the described step D, adopt the double deck screen extension set that the double deck screen divisional processing is carried out in granulation, to staying the upper strata large granule of double-deck screening, send into and re-start broken granulation in the pair roller Squeezinggranulator, to falling the extra granular of double-deck screening below, turn back to step C, re-start and add the water humidification and process; Adopting vibrating screen classifier to carry out vibrosieve in the described step F processes; Adopt coating machine to the particle packing of filming among the described step G, described plant growth regulator is red mould forchlorfenuron plant growth regulator.
5. soil remediation is fertile, it is characterized in that adopting following steps production to make:
A, prepare tailings of high silicon iron, and tailings of high silicon iron is magnetized processing, the intensity of magnetization is 800GS-2000GS, processes by magnetization, has improved the activity of element silicon, water-soluble and solubility in citric acid, becomes effective agricultural silicon;
B, the effective agricultural silicon that steps A is obtained, effective agricultural silicon according to the 55-65 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 6-10 weight portion, the peat Nutrition Soil of 10-15 weight portion, 8-12 weight portion, the plant growth regulator of 7-11 weight portion and 0.5-2 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder, and mix and blend, then mixed material is carried out pulverization process, can obtain soil remediation fertilizer.
6. soil remediation according to claim 5 is fertile, and it is characterized in that: the granularity of tailings of high silicon iron is 5-50mm in the described steps A; Among the described step B according to the tailings of high silicon iron of 58-62 weight portion, the ratio of the plant binder of the humic acid of the removal of heavy metal ions agent of adding 7-9 weight portion, the peat Nutrition Soil of 12-14 weight portion, 9-11 weight portion, the plant growth regulator of 8-10 weight portion and 0.8-1.5 weight portion adds removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
7. soil remediation according to claim 6 is fertile, it is characterized in that: among the described step B according to the tailings of high silicon iron of 60 weight portions, add the ratio of the plant binder of the plant growth regulator of humic acid, 9 weight portions of peat Nutrition Soil, 10 weight portions of removal of heavy metal ions agent, 13 weight portions of 8 weight portions and 1 weight portion, add removal of heavy metal ions agent, peat Nutrition Soil, humic acid, plant growth regulator and plant binder.
8. soil remediation according to claim 7 is fertile, and it is characterized in that: described plant growth regulator is red mould forchlorfenuron plant growth regulator.
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| CN201210543880.8A CN102974604B (en) | 2012-12-17 | 2012-12-17 | Method and product for producing soil remediation fertilizer by utilizing high-silicon iron tailings |
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| CN201210543880.8A CN102974604B (en) | 2012-12-17 | 2012-12-17 | Method and product for producing soil remediation fertilizer by utilizing high-silicon iron tailings |
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| CN102974604B CN102974604B (en) | 2015-04-15 |
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| CN103708884A (en) * | 2013-12-16 | 2014-04-09 | 郭裴哲 | Method for preparing fertilizer through high-iron low-tin ore tailings |
| CN104119171A (en) * | 2014-08-12 | 2014-10-29 | 许盛英 | Production method of graphite tailing compressed nutrient soil |
| CN105272766A (en) * | 2015-11-26 | 2016-01-27 | 北京清迈华清控股(集团)有限公司 | Method for producing novel saline-alkaline restoration fertilizer by utilizing high-silicon iron tailings and product |
| CN105315104A (en) * | 2015-11-26 | 2016-02-10 | 北京清迈华清控股(集团)有限公司 | Method for producing fertilizer special for desertification control by means of high-silicon iron tailings and product |
| CN105693400A (en) * | 2016-03-21 | 2016-06-22 | 北京清迈华清控股(集团)有限公司 | Special desert inhibited fertilizer prepared from high-ferrosilicon tailings serving as raw material |
| CN105819963A (en) * | 2016-03-21 | 2016-08-03 | 北京清迈华清控股(集团)有限公司 | Saline-alkali soil repairing novel fertilizer produced by taking high-silicon iron tailings as raw materials |
| CN106542922A (en) * | 2015-09-16 | 2017-03-29 | 陈耀辉 | A kind of soil conditioner and its preparation technology of turf quantity of magnetism daughter element |
| CN106718269A (en) * | 2016-11-29 | 2017-05-31 | 沈阳农业大学 | A kind of method that utilization iron tailings prepares Reclaimed Soil |
| CN107787635A (en) * | 2017-11-22 | 2018-03-13 | 鞍钢集团矿业有限公司 | A kind of powder sticks the modification method of loamy texture saline-alkali soil |
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Effective date of registration: 20151203 Address after: 100084 No. 702, building 3, building 1, Zhongguancun East Road, Beijing, Haidian District, 7 Patentee after: Benxi Qingmai Tailings Comprehensive Utilization Co., Ltd. Address before: 117014, No. 1, building 7, Riverside District, Nanfen District, Liaoning, Benxi Patentee before: Benxi Qingmai Tailings Comprehensive Utilization Co., Ltd. |
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Effective date of registration: 20210107 Address after: 441200 group 10, Bali village, Zaoyang City Ring office, Xiangyang City, Hubei Province Patentee after: Chen Quanfu Address before: 100084 702, 7th floor, building 3, yard 1, Zhongguancun East Road, Haidian District, Beijing Patentee before: BEIJING QINGMAI TOSHINE HOLDING (Group) Co.,Ltd. |