CN108584974A - 以贝壳和建筑废料为原料的人工沸石及其制备方法 - Google Patents
以贝壳和建筑废料为原料的人工沸石及其制备方法 Download PDFInfo
- Publication number
- CN108584974A CN108584974A CN201810866300.6A CN201810866300A CN108584974A CN 108584974 A CN108584974 A CN 108584974A CN 201810866300 A CN201810866300 A CN 201810866300A CN 108584974 A CN108584974 A CN 108584974A
- Authority
- CN
- China
- Prior art keywords
- shell
- artificial zeolite
- construction waste
- raw material
- preparation
- 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
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 73
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 239000010457 zeolite Substances 0.000 title claims abstract description 73
- 239000002699 waste material Substances 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 50
- 239000002994 raw material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007767 bonding agent Substances 0.000 claims abstract description 19
- 239000004927 clay Substances 0.000 claims abstract description 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 4
- 241000894006 Bacteria Species 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 22
- 239000011265 semifinished product Substances 0.000 claims description 20
- 238000010304 firing Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005187 foaming Methods 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 8
- 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 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 235000019353 potassium silicate Nutrition 0.000 claims description 7
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 7
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 5
- 241000605122 Nitrosomonas Species 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 241000605154 Nitrobacter winogradskyi Species 0.000 claims description 4
- 230000000243 photosynthetic effect Effects 0.000 claims description 4
- 239000004156 Azodicarbonamide Substances 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 2
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 235000010216 calcium carbonate Nutrition 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009102 absorption Effects 0.000 description 16
- 238000010521 absorption reaction Methods 0.000 description 16
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000643 oven drying Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000013078 crystal Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
-
- 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
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
检测项目 | 显气孔率 | 堆积密度 | 筒压强度 | Mn2+吸附去除率 | 氨氮吸附容量 |
实施例1 | 78.18% | 698kg/m3 | 4.32MPa | 98.3% | 0.95mg/g |
实施例2 | 77.84% | 712kg/m3 | 4.17MPa | 99.1% | 0.98mg/g |
实施例3 | 75.86% | 674kg/m3 | 4.21MPa | 98.8% | 0.97mg/g |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810866300.6A CN108584974B (zh) | 2018-08-01 | 2018-08-01 | 以贝壳和建筑废料为原料的人工沸石及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810866300.6A CN108584974B (zh) | 2018-08-01 | 2018-08-01 | 以贝壳和建筑废料为原料的人工沸石及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108584974A true CN108584974A (zh) | 2018-09-28 |
CN108584974B CN108584974B (zh) | 2021-09-24 |
Family
ID=63619061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810866300.6A Expired - Fee Related CN108584974B (zh) | 2018-08-01 | 2018-08-01 | 以贝壳和建筑废料为原料的人工沸石及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108584974B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110075813A (zh) * | 2019-05-27 | 2019-08-02 | 深圳中清环境科技有限公司 | 一种抗微生物污染的土壤重金属吸附材料及其制备方法 |
CN112126641A (zh) * | 2020-09-28 | 2020-12-25 | 北京师范大学 | 一种贝壳-二氧化硅微生物固定载体及其制备方法 |
CN113019310A (zh) * | 2021-03-30 | 2021-06-25 | 中国建筑设计研究院有限公司 | 一种活性氧化铝包裹建筑垃圾核心骨料的氧化铝球及制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002167215A (ja) * | 2000-11-27 | 2002-06-11 | Tama Ogasawara | パーライト鉱石による人工ゼオライト及びこれを利用して得られる工業資材 |
CN101182162A (zh) * | 2006-11-14 | 2008-05-21 | 王卓 | 一种以贝壳和废灰渣为原料的小型混凝土砌块 |
CN105036150A (zh) * | 2015-06-26 | 2015-11-11 | 中国矿业大学(北京) | 利用工业废弃物定向制备的人工沸石及其制法和应用 |
-
2018
- 2018-08-01 CN CN201810866300.6A patent/CN108584974B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002167215A (ja) * | 2000-11-27 | 2002-06-11 | Tama Ogasawara | パーライト鉱石による人工ゼオライト及びこれを利用して得られる工業資材 |
CN101182162A (zh) * | 2006-11-14 | 2008-05-21 | 王卓 | 一种以贝壳和废灰渣为原料的小型混凝土砌块 |
CN105036150A (zh) * | 2015-06-26 | 2015-11-11 | 中国矿业大学(北京) | 利用工业废弃物定向制备的人工沸石及其制法和应用 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110075813A (zh) * | 2019-05-27 | 2019-08-02 | 深圳中清环境科技有限公司 | 一种抗微生物污染的土壤重金属吸附材料及其制备方法 |
CN112126641A (zh) * | 2020-09-28 | 2020-12-25 | 北京师范大学 | 一种贝壳-二氧化硅微生物固定载体及其制备方法 |
CN113019310A (zh) * | 2021-03-30 | 2021-06-25 | 中国建筑设计研究院有限公司 | 一种活性氧化铝包裹建筑垃圾核心骨料的氧化铝球及制备方法 |
CN113019310B (zh) * | 2021-03-30 | 2024-03-29 | 中国建筑设计研究院有限公司 | 一种活性氧化铝包裹建筑垃圾核心骨料的氧化铝球及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108584974B (zh) | 2021-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102583719B (zh) | 活性复合悬浮填料 | |
CN102491729B (zh) | 用于微污染水预处理的沸石给水污泥陶粒的制备方法 | |
CN108584974A (zh) | 以贝壳和建筑废料为原料的人工沸石及其制备方法 | |
CN102247800A (zh) | 一种以膨润土、珍珠岩和沸石为主要原料的复合陶粒及其制备方法 | |
CN103951044B (zh) | 一种免烧结快速挂膜生物填料及其制备方法 | |
CN107661690A (zh) | 一种氧化铝基甲醛净化复合材料及其制备方法 | |
CN106731642A (zh) | 一种贝壳基空气净化材料及其制备方法 | |
CN108996691A (zh) | 一种用于人工湿地的铝污泥复合填料及其制备方法 | |
CN106673105A (zh) | 一种基于泥页岩和农业废弃物的脱氮除磷合成填料及其制备方法与应用 | |
CN111992177B (zh) | 一种非热活化赤泥颗粒吸附剂及其制备方法 | |
CN111888913B (zh) | 基于市政污水厂脱水污泥的废气生物除臭用颗粒生物滤料、制备方法及应用 | |
CN106622135A (zh) | 一种复合吸附剂及其制备方法 | |
CN106396628A (zh) | 圆球形具有净化空气功能的海泡石轻质通孔陶粒 | |
CN112295547A (zh) | 一种粉煤灰/羧甲基纤维素/壳聚糖复合材料的制备方法 | |
CN114307982B (zh) | 一种用于静态水体修复的复合基改性粉煤灰颗粒的制备方法 | |
CN105060459B (zh) | 一种水处理酶促生物填料及其制备方法 | |
CN112892498B (zh) | 一种基于高性能活化污泥的吸附材料及其在水处理中的应用 | |
CN106631143A (zh) | 圆柱形具有净化空气功能的硅灰石轻质通孔陶粒 | |
CN106582527A (zh) | 一种生物碳/电气石复合微球及其制备方法 | |
CN100360211C (zh) | 天然矿物吸附陶片的生产方法 | |
CN115806326A (zh) | 一种用于污水处理强化脱氮除磷材料及制备方法 | |
CN106478143A (zh) | 多功能梅花形造纸污泥轻质通孔陶粒的生产方法 | |
CN106631149A (zh) | 碎石形具有净化空气功能的火山碎屑岩轻质陶粒 | |
CN106431281A (zh) | 圆球形具有净化空气功能的高岭土轻质通孔陶粒 | |
CN104923178A (zh) | 一种改性火山岩耐酸性吸附剂 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 519000 0113, the first floor of the workshop in Ganxing Industrial Park, 80 Fukang Road, Hongqi Town, Jinwan District, Zhuhai City, Guangdong Province Applicant after: Zhuhai Yicheng Environmental Protection Technology Co.,Ltd. Address before: 519000 unit e, room 618, 6th floor, main building, No.10, Keji 1st Road, Gangwan Avenue, Tangjiawan Town, high tech Zone, Zhuhai City, Guangdong Province Applicant before: ZHUHAI YICHENG CHEMICAL TECHNOLOGY Co.,Ltd. Address after: 519000 0113, the first floor of the workshop in Ganxing Industrial Park, 80 Fukang Road, Hongqi Town, Jinwan District, Zhuhai City, Guangdong Province Applicant after: Zhongke Yicheng (Zhuhai) Environmental Protection Technology Co.,Ltd. Address before: 519000 0113, the first floor of the workshop in Ganxing Industrial Park, 80 Fukang Road, Hongqi Town, Jinwan District, Zhuhai City, Guangdong Province Applicant before: Zhuhai Yicheng Environmental Protection Technology Co.,Ltd. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |