CN107522186A - 一种饲料级磷酸三钙的生产方法 - Google Patents
一种饲料级磷酸三钙的生产方法 Download PDFInfo
- Publication number
- CN107522186A CN107522186A CN201710927270.0A CN201710927270A CN107522186A CN 107522186 A CN107522186 A CN 107522186A CN 201710927270 A CN201710927270 A CN 201710927270A CN 107522186 A CN107522186 A CN 107522186A
- Authority
- CN
- China
- Prior art keywords
- feed
- tricalcium phosphate
- production method
- level tricalcium
- level
- 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
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 title claims abstract description 61
- 239000001506 calcium phosphate Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 56
- 229910000391 tricalcium phosphate Inorganic materials 0.000 title claims abstract description 55
- 235000019731 tricalcium phosphate Nutrition 0.000 title claims abstract description 55
- 229940078499 tricalcium phosphate Drugs 0.000 title claims abstract description 55
- 238000001354 calcination Methods 0.000 claims abstract description 34
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000003463 adsorbent Substances 0.000 claims abstract description 11
- 238000000498 ball milling Methods 0.000 claims abstract description 10
- 239000002367 phosphate rock Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims abstract 2
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000011575 calcium Substances 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 claims description 2
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 20
- 239000005871 repellent Substances 0.000 abstract description 9
- 230000002940 repellent Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 40
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 18
- 239000011737 fluorine Substances 0.000 description 18
- 229910052731 fluorine Inorganic materials 0.000 description 18
- 239000000047 product Substances 0.000 description 15
- 239000002994 raw material Substances 0.000 description 9
- 239000013068 control sample Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 235000005979 Citrus limon Nutrition 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- -1 phosphoric acid hydrogen Chemical class 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 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 1
- 241000276489 Merlangius merlangus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 241000238370 Sepia Species 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/328—Defluorination during or after the preparation
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/322—Preparation by neutralisation of orthophosphoric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
测试项目 | 优等品 | 一等品 | 合格品 |
磷(以P计)含量/%,≥ | 18 | 16 | 14 |
钙(以Ca计)含量/%,≥ | 30 | 28 | 26 |
氟化物(以F计)含量/%,≤ | 0.18 | 0.18 | 0.18 |
砷(As)含量/%,≤ | 0.0002 | 0.001 | 0.001 |
铅(以Pb计)含量/%,≤ | 0.003 | 0.003 | 0.005 |
酸不溶物含量/%,≤ | 10 | 15 | 20 |
水分含量/%,≤ | 1 | 1 | 1 |
样品编号 | 氟化物含量/% |
试验样品1 | 0.18 |
试验样品2 | 0.17 |
试验样品3 | 0.17 |
试验样品4 | 0.18 |
试验样品5 | 0.17 |
试验样品6 | 0.14 |
试验样品7 | 0.14 |
试验样品8 | 0.15 |
试验样品9 | 0.15 |
试验样品10 | 0.15 |
试验样品11 | 0.15 |
试验样品12 | 0.16 |
试验样品13 | 0.13 |
试验样品14 | 0.13 |
试验样品15 | 0.13 |
试验样品16 | 0.12 |
试验样品17 | 0.12 |
试验样品18 | 0.11 |
试验样品19 | 0.11 |
试验样品20 | 0.11 |
试验样品21 | 0.1 |
试验样品22 | 0.09 |
试验样品23 | 0.1 |
试验样品24 | 0.08 |
试验样品25 | 0.07 |
试验样品26 | 0.07 |
对照样品1 | 0.25 |
对照样品2 | 0.23 |
对照样品3 | 0.26 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710927270.0A CN107522186B (zh) | 2017-09-30 | 2017-09-30 | 一种饲料级磷酸三钙的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710927270.0A CN107522186B (zh) | 2017-09-30 | 2017-09-30 | 一种饲料级磷酸三钙的生产方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107522186A true CN107522186A (zh) | 2017-12-29 |
CN107522186B CN107522186B (zh) | 2019-12-31 |
Family
ID=60684523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710927270.0A Active CN107522186B (zh) | 2017-09-30 | 2017-09-30 | 一种饲料级磷酸三钙的生产方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107522186B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115770465A (zh) * | 2022-12-22 | 2023-03-10 | 南京华电节能环保股份有限公司 | 一种烟气净化式余热回收器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1323737A (zh) * | 2000-05-16 | 2001-11-28 | 单光渝 | 脱氟磷酸盐的制造和含氟尾气的净化方法 |
CN1415536A (zh) * | 2002-12-11 | 2003-05-07 | 贵州开阳托福磷钙有限公司 | 二次烧结生产饲料级脱氟磷酸三钙的方法 |
CN101318642A (zh) * | 2008-07-04 | 2008-12-10 | 湖北三新磷钙有限公司 | 一种脱氟磷酸三钙的生产方法 |
CN102204636A (zh) * | 2011-03-31 | 2011-10-05 | 张兴华 | 一种磷酸三钙的脱氟方法 |
CN106698377A (zh) * | 2015-11-15 | 2017-05-24 | 瓮福(集团)有限责任公司 | 一种饲料级磷酸三钙生产方法 |
-
2017
- 2017-09-30 CN CN201710927270.0A patent/CN107522186B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1323737A (zh) * | 2000-05-16 | 2001-11-28 | 单光渝 | 脱氟磷酸盐的制造和含氟尾气的净化方法 |
CN1415536A (zh) * | 2002-12-11 | 2003-05-07 | 贵州开阳托福磷钙有限公司 | 二次烧结生产饲料级脱氟磷酸三钙的方法 |
CN101318642A (zh) * | 2008-07-04 | 2008-12-10 | 湖北三新磷钙有限公司 | 一种脱氟磷酸三钙的生产方法 |
CN102204636A (zh) * | 2011-03-31 | 2011-10-05 | 张兴华 | 一种磷酸三钙的脱氟方法 |
CN106698377A (zh) * | 2015-11-15 | 2017-05-24 | 瓮福(集团)有限责任公司 | 一种饲料级磷酸三钙生产方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115770465A (zh) * | 2022-12-22 | 2023-03-10 | 南京华电节能环保股份有限公司 | 一种烟气净化式余热回收器 |
CN115770465B (zh) * | 2022-12-22 | 2023-07-18 | 南京华电节能环保股份有限公司 | 一种烟气净化式余热回收器 |
Also Published As
Publication number | Publication date |
---|---|
CN107522186B (zh) | 2019-12-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105948091B (zh) | 以电石渣为原料的活性氧化钙、脱硫剂、电石原料及其制备方法 | |
CN105271333B (zh) | 一种由钾长石生产磷酸二氢钾和氢氧化铝的方法 | |
CN109761209A (zh) | 一种磷酸铁的生产工艺及其生产设备 | |
CN102815681B (zh) | 湿法磷酸生产饲料级磷酸二氢钙的方法 | |
CN102897810B (zh) | 一种利用粉煤灰生产氧化铝的方法 | |
CN101318642B (zh) | 一种脱氟磷酸三钙的生产方法 | |
CN104016325A (zh) | 一种磷酸三钙的生产方法 | |
WO2017173716A1 (zh) | 一种磷石膏分解气联合湿法磷酸生产的方法 | |
CN102180502B (zh) | 从锂云母原料中提取明矾的方法 | |
CN107522186A (zh) | 一种饲料级磷酸三钙的生产方法 | |
CN105540623A (zh) | 一种制备纳米氧化镁的方法 | |
CN102745725B (zh) | 利用脱硫废液生产一水硫酸镁的方法 | |
CN104263975B (zh) | 具有多个闭循环的钨矿物原料冶金工艺 | |
CN103586017B (zh) | 一种烟气脱硝催化剂用钛钨粉的制备方法及其制备的产品 | |
CN210084944U (zh) | 一种磷酸铁的生产设备 | |
CN105329945B (zh) | 用工业钼酸制备高纯、高溶性三氧化钼的装置及方法 | |
CN104828799A (zh) | 磷酸循环除杂法生产饲料级磷酸二氢钙的工艺 | |
CN106006643A (zh) | 一种利用黄磷尾气和磷石膏制备电石的方法 | |
CN110255592A (zh) | 一种用废硫酸处理脱硫镁渣生产硫酸镁和氧化镁的工艺及其应用 | |
CN1313373C (zh) | 用高镁含锂卤水生产碳酸锂、氧化镁和盐酸的方法 | |
CN106115645B (zh) | 一种饲料级磷酸二氢钙的生产方法 | |
CN109455684A (zh) | 利用硝酸磷肥副产的粗硝酸钙制备磷精矿的方法 | |
CN106698490B (zh) | 一种从粉煤灰中制备铝前驱物及其制备纳米氧化铝的方法 | |
CN104556168A (zh) | 一种将粉煤灰中氧化铝活化溶出的方法 | |
CN1162322C (zh) | 脱氟磷酸盐的制造和含氟尾气的净化方法 |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 201600 No.261, Rongxing Road, industrial zone, rongbei Town, Songjiang District, Shanghai Patentee after: Shanghai CAI FENG Environmental Technology Co.,Ltd. Address before: 201600 No.261, Rongxing Road, industrial zone, rongbei Town, Songjiang District, Shanghai Patentee before: SHANGHAI CAI FENG ENVIRONMENTAL TECHNOLOGY CO.,LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240321 Address after: 201400 Workshop 1, No. 3 Xiucheng Road, Fengcheng Town, Fengxian District, Shanghai Patentee after: Shanghai Caifeng Biotechnology Co.,Ltd. Country or region after: Zhong Guo Address before: 201600 No.261, Rongxing Road, industrial zone, rongbei Town, Songjiang District, Shanghai Patentee before: Shanghai CAI FENG Environmental Technology Co.,Ltd. Country or region before: Zhong Guo |
|
TR01 | Transfer of patent right |