CN105727881A - 一种碱改性凹凸棒土吸附剂及其制备方法 - Google Patents
一种碱改性凹凸棒土吸附剂及其制备方法 Download PDFInfo
- Publication number
- CN105727881A CN105727881A CN201610200746.6A CN201610200746A CN105727881A CN 105727881 A CN105727881 A CN 105727881A CN 201610200746 A CN201610200746 A CN 201610200746A CN 105727881 A CN105727881 A CN 105727881A
- Authority
- CN
- China
- Prior art keywords
- attapulgite
- alkali
- mud
- soil
- suspension
- 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.)
- Granted
Links
- 229960000892 attapulgite Drugs 0.000 title claims abstract description 44
- 229910052625 palygorskite Inorganic materials 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003513 alkali Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 22
- 238000012986 modification Methods 0.000 claims description 22
- 230000004048 modification Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 17
- 239000003463 adsorbent Substances 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 15
- 239000012153 distilled water Substances 0.000 claims description 14
- 239000004927 clay Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 239000013049 sediment Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 4
- 238000003760 magnetic stirring Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 239000002689 soil Substances 0.000 abstract description 23
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 21
- 239000002253 acid Substances 0.000 abstract description 11
- 150000002500 ions Chemical class 0.000 abstract description 9
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 2
- 239000004571 lime Substances 0.000 abstract 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005067 remediation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- -1 polyoxyethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- KKADPXVIOXHVKN-UHFFFAOYSA-N 4-hydroxyphenylpyruvic acid Chemical compound OC(=O)C(=O)CC1=CC=C(O)C=C1 KKADPXVIOXHVKN-UHFFFAOYSA-N 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011852 carbon nanoparticle Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610200746.6A CN105727881B (zh) | 2016-03-31 | 2016-03-31 | 一种碱改性凹凸棒土吸附剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610200746.6A CN105727881B (zh) | 2016-03-31 | 2016-03-31 | 一种碱改性凹凸棒土吸附剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105727881A true CN105727881A (zh) | 2016-07-06 |
CN105727881B CN105727881B (zh) | 2018-06-19 |
Family
ID=56252723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610200746.6A Expired - Fee Related CN105727881B (zh) | 2016-03-31 | 2016-03-31 | 一种碱改性凹凸棒土吸附剂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105727881B (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106242906A (zh) * | 2016-08-11 | 2016-12-21 | 晋鼎明 | 一种盆栽绿萝专用基质 |
CN106890720A (zh) * | 2017-03-30 | 2017-06-27 | 兰州坤仑环保科技有限公司 | 一种碱螯合坡缕石基重金属钝化材料的制备方法 |
CN106904624A (zh) * | 2017-04-14 | 2017-06-30 | 明光市外泰高分子材料有限公司 | 一种增强凹凸棒土黏性的方法 |
CN106900768A (zh) * | 2017-04-28 | 2017-06-30 | 明光市飞洲新材料有限公司 | 一种蔬菜杀虫剂及其制备方法 |
CN106957560A (zh) * | 2017-04-28 | 2017-07-18 | 明光市飞洲新材料有限公司 | 一种以凹凸棒土为载体的涂料添加剂及其制备方法 |
CN109761241A (zh) * | 2018-12-27 | 2019-05-17 | 济南大学 | 一种利用碱性物质活化黏土造孔的方法 |
CN110372075A (zh) * | 2019-05-14 | 2019-10-25 | 山东环瑞生态科技有限公司 | 一种新型高效除氟药剂及其应用 |
CN112877322A (zh) * | 2021-02-22 | 2021-06-01 | 杭州楠大环保科技有限公司 | 基于微生物相变的易腐垃圾生物降解方法 |
CN113307280A (zh) * | 2021-06-23 | 2021-08-27 | 西北师范大学 | 一种凹凸棒石产品质量归一化的方法 |
CN114433008A (zh) * | 2022-01-17 | 2022-05-06 | 常州大学 | 一种用于吸附分离甲醇/碳酸二甲酯的凹凸棒土复合材料的制备方法 |
CN114907058A (zh) * | 2022-04-15 | 2022-08-16 | 浙江碧水量子科技有限公司 | 一种降总磷的净水构件及其制备方法与应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005040685A (ja) * | 2003-07-25 | 2005-02-17 | Sumitomo Osaka Cement Co Ltd | 重金属吸着材及び重金属処理方法 |
CN102019166A (zh) * | 2010-12-11 | 2011-04-20 | 上海纳米技术及应用国家工程研究中心有限公司 | 改性凹凸棒石粘土吸附材料的制备方法 |
CN103736444A (zh) * | 2013-12-31 | 2014-04-23 | 常州大学 | 一种水热固化凹土基滤料的制备方法及应用 |
-
2016
- 2016-03-31 CN CN201610200746.6A patent/CN105727881B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005040685A (ja) * | 2003-07-25 | 2005-02-17 | Sumitomo Osaka Cement Co Ltd | 重金属吸着材及び重金属処理方法 |
CN102019166A (zh) * | 2010-12-11 | 2011-04-20 | 上海纳米技术及应用国家工程研究中心有限公司 | 改性凹凸棒石粘土吸附材料的制备方法 |
CN103736444A (zh) * | 2013-12-31 | 2014-04-23 | 常州大学 | 一种水热固化凹土基滤料的制备方法及应用 |
Non-Patent Citations (1)
Title |
---|
杨立春 等: "改性凹凸棒土去除废水磷酸根的研究", 《资源节约与环保》 * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106242906A (zh) * | 2016-08-11 | 2016-12-21 | 晋鼎明 | 一种盆栽绿萝专用基质 |
CN106890720A (zh) * | 2017-03-30 | 2017-06-27 | 兰州坤仑环保科技有限公司 | 一种碱螯合坡缕石基重金属钝化材料的制备方法 |
CN106904624A (zh) * | 2017-04-14 | 2017-06-30 | 明光市外泰高分子材料有限公司 | 一种增强凹凸棒土黏性的方法 |
CN106900768A (zh) * | 2017-04-28 | 2017-06-30 | 明光市飞洲新材料有限公司 | 一种蔬菜杀虫剂及其制备方法 |
CN106957560A (zh) * | 2017-04-28 | 2017-07-18 | 明光市飞洲新材料有限公司 | 一种以凹凸棒土为载体的涂料添加剂及其制备方法 |
CN109761241A (zh) * | 2018-12-27 | 2019-05-17 | 济南大学 | 一种利用碱性物质活化黏土造孔的方法 |
CN110372075A (zh) * | 2019-05-14 | 2019-10-25 | 山东环瑞生态科技有限公司 | 一种新型高效除氟药剂及其应用 |
CN110372075B (zh) * | 2019-05-14 | 2022-03-25 | 山东环瑞生态科技有限公司 | 一种高效除氟药剂及其应用 |
CN112877322A (zh) * | 2021-02-22 | 2021-06-01 | 杭州楠大环保科技有限公司 | 基于微生物相变的易腐垃圾生物降解方法 |
CN112877322B (zh) * | 2021-02-22 | 2022-06-21 | 杭州楠大环保科技有限公司 | 基于微生物相变的易腐垃圾生物降解方法 |
CN113307280A (zh) * | 2021-06-23 | 2021-08-27 | 西北师范大学 | 一种凹凸棒石产品质量归一化的方法 |
CN113307280B (zh) * | 2021-06-23 | 2023-01-06 | 西北师范大学 | 一种凹凸棒石产品质量归一化的方法 |
CN114433008A (zh) * | 2022-01-17 | 2022-05-06 | 常州大学 | 一种用于吸附分离甲醇/碳酸二甲酯的凹凸棒土复合材料的制备方法 |
CN114433008B (zh) * | 2022-01-17 | 2024-01-23 | 常州大学 | 一种用于吸附分离甲醇/碳酸二甲酯的凹凸棒土复合材料的制备方法 |
CN114907058A (zh) * | 2022-04-15 | 2022-08-16 | 浙江碧水量子科技有限公司 | 一种降总磷的净水构件及其制备方法与应用 |
Also Published As
Publication number | Publication date |
---|---|
CN105727881B (zh) | 2018-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105727881A (zh) | 一种碱改性凹凸棒土吸附剂及其制备方法 | |
CN105733596B (zh) | 一种用于重金属钝化的土壤调理剂及其制备方法 | |
CN109054848A (zh) | 一种重金属污染土壤修复剂及其制备方法和使用方法 | |
CN105536739B (zh) | 同步修复水体及其底泥的重金属吸附矿化剂及其制备方法 | |
CN107115840A (zh) | 一种用于砷镉污染土壤修复的炭基复合材料及其应用 | |
CN105414163B (zh) | 一种修复镉污染土壤的方法 | |
CN111085537B (zh) | 一种有机磷和无机磷材料修复重金属污染土壤的方法 | |
CN105294023A (zh) | 一种利用赤泥颗粒材料修复重金属污染土壤的方法 | |
CN107297386A (zh) | 一种六价铬污染土壤的机械化学还原修复方法 | |
CN106111060B (zh) | 一种改性生物炭复合材料及其制备和应用 | |
CN105536753B (zh) | 一种矿物前驱体吸附剂及其制备方法和应用 | |
CN104492372B (zh) | 一种用于吸附废水中重金属材料的制备方法及其应用 | |
CN108178605A (zh) | 一种高吸附性能给水厂残泥免烧陶粒的制备方法及用途 | |
CN112552920B (zh) | 一种重金属污染土壤的修复剂及其制备方法和应用 | |
CN106478012A (zh) | 一种淤泥固化剂及其制备方法 | |
CN106623379A (zh) | 建筑垃圾的资源回收利用方法和重金属污染土壤修复剂 | |
CN106753393A (zh) | 一种以钾长石与电石渣为主要原料的土壤调理剂及其制备方法 | |
CN109097064A (zh) | 一种酸性土壤改良剂 | |
CN108906872A (zh) | 用煅烧牡蛎壳粉治理废水和土壤重金属污染的方法 | |
CN109369286A (zh) | 一种利用粉煤灰生产中微量元素酸性土壤调理剂的方法与产品 | |
CN107057705A (zh) | 一种重金属污染土壤修复材料、制备方法和用途 | |
CN109652079A (zh) | 一种用于汞污染原位土壤修复的粉煤灰改性方法及应用 | |
CN107540041B (zh) | 废弃混凝土在水体除氟中的应用 | |
CN114405478B (zh) | 一种重金属修复治理材料及其制备方法 | |
CN105126760A (zh) | 一种重金属聚孔吸附材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Xi Inventor after: Xu Dan Inventor after: Wang Longle Inventor after: Lin Donghong Inventor after: Wei Dongyang Inventor after: He Tao Inventor after: Chen Juan Inventor after: Sang Yanhong Inventor after: Zhang Hengjun Inventor after: Zhou Wen Inventor after: Tanxiao Inventor after: Zhu Jialiang Inventor before: Wei Dongyang Inventor before: Xia Xiaodong Inventor before: Wang Xin Inventor before: He Tao Inventor before: Ma Xiaozhou Inventor before: Sang Yanhong Inventor before: Zhou Wen Inventor before: Yi Hao Inventor before: Lei Yutao Inventor before: Fang Xiaohang |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 |