CN103663638A - Glass production wastewater treating agent and preparation method thereof - Google Patents
Glass production wastewater treating agent and preparation method thereof Download PDFInfo
- Publication number
- CN103663638A CN103663638A CN201310609964.1A CN201310609964A CN103663638A CN 103663638 A CN103663638 A CN 103663638A CN 201310609964 A CN201310609964 A CN 201310609964A CN 103663638 A CN103663638 A CN 103663638A
- Authority
- CN
- China
- Prior art keywords
- parts
- ferric chloride
- glass production
- production wastewater
- treatment agent
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002351 wastewater Substances 0.000 title abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 39
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 23
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 13
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 13
- HSNHLHNSJCYPNU-UHFFFAOYSA-N o-propan-2-yl propan-2-ylsulfanylmethanethioate Chemical compound CC(C)OC(=S)SC(C)C HSNHLHNSJCYPNU-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- UOJYYXATTMQQNA-UHFFFAOYSA-N Proxan Chemical compound CC(C)OC(S)=S UOJYYXATTMQQNA-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 3
- 239000013522 chelant Substances 0.000 abstract description 2
- 239000010922 glass waste Substances 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 239000011259 mixed solution Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical class [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- HSNHLHNSJCYPNU-UHFFFAOYSA-O CC(C)OC(S)=[S+]C(C)C Chemical compound CC(C)OC(S)=[S+]C(C)C HSNHLHNSJCYPNU-UHFFFAOYSA-O 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical group [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
玻璃生产废水处理剂及其制备方法,该玻璃生产废水处理剂包括按照质量份数计的如下原料:聚合氯化铝铁16-18份、氯化铁5-8份、聚丙烯酰胺10-15份、连二异丙基黄原酸酯15-18份、碳酸钠5-8份、硅酸钠6-9份、活性炭5-10份、乙二醇20-30份、水50-75份。本发明处理剂可与玻璃废水中的重金属螯合,使废水中的无机物凝聚后沉降,且可有效去除其中的有机污染物;本发明配方合理,原料易得,且本发明制备方法简单易行,可广泛推广应用。A glass production wastewater treatment agent and a preparation method thereof. The glass production wastewater treatment agent includes the following raw materials in parts by mass: 16-18 parts of polyaluminum ferric chloride, 5-8 parts of ferric chloride, and 10-15 parts of polyacrylamide 15-18 parts of diisopropyl xanthate, 5-8 parts of sodium carbonate, 6-9 parts of sodium silicate, 5-10 parts of activated carbon, 20-30 parts of ethylene glycol, 50-75 parts of water . The treating agent of the present invention can chelate with the heavy metal in the glass waste water, make the inorganic matters in the waste water coagulate and then settle, and can effectively remove the organic pollutants therein; the present invention has reasonable formula, easy-to-obtain raw materials, and the preparation method of the present invention is simple and easy Yes, it can be widely promoted and applied.
Description
技术领域 technical field
本发明属于废水处理剂,具体涉及一种玻璃生产废水处理剂及其制备方法。 The invention belongs to a wastewater treatment agent, in particular to a glass production wastewater treatment agent and a preparation method thereof.
背景技术 Background technique
生产玻璃需要耗费大量的水,在我国玻璃生产行业中,仍存在玻璃生产废水不能达标排放的现象,在玻璃的深加工过程中产生的废水中含有大量的玻璃硅粉、金刚砂砾、有机清洗剂、柠檬酸以及一些油类废弃物,虽然这些废水污染相对较轻,但是由于其排放量较大,若不能达标排放,则会对水质造成严重污染。现有的玻璃废水处理的效果并不理想,因此开发一种处理效果优良的处理剂就显得极为重要。 The production of glass requires a lot of water. In my country's glass production industry, there is still a phenomenon that glass production wastewater cannot be discharged up to the standard. The wastewater generated during the deep processing of glass contains a large amount of glass silica powder, emery gravel, organic cleaning agent, Although citric acid and some oily wastes are relatively light in pollution, due to their large discharge volume, if they are not discharged up to the standard, they will cause serious pollution to water quality. The effect of existing glass wastewater treatment is not ideal, so it is extremely important to develop a treatment agent with excellent treatment effect.
发明内容 Contents of the invention
本发明的目的在于克服现有技术的不足而提供一种玻璃生产废水处理剂及其制备方法,本发明处理剂可有效去除玻璃生产废水中的有机污染物,使废水中的无机物凝聚沉降。 The purpose of the present invention is to overcome the deficiencies of the prior art and provide a treatment agent for glass production wastewater and a preparation method thereof. The treatment agent of the present invention can effectively remove organic pollutants in glass production wastewater and cause inorganic substances in the wastewater to coagulate and settle.
本发明的技术方案: Technical scheme of the present invention:
玻璃生产废水处理剂,包括按照质量份数计的如下原料:聚合氯化铝铁16-18份、氯化铁5-8份、聚丙烯酰胺10-15份、连二异丙基黄原酸酯15-18份、碳酸钠5-8份、硅酸钠6-9份、活性炭5-10份、乙二醇20-30份、水50-75份。 Glass production wastewater treatment agent, including the following raw materials in parts by mass: 16-18 parts of polyaluminum ferric chloride, 5-8 parts of ferric chloride, 10-15 parts of polyacrylamide, diisopropylxanthic acid 15-18 parts of ester, 5-8 parts of sodium carbonate, 6-9 parts of sodium silicate, 5-10 parts of activated carbon, 20-30 parts of ethylene glycol, and 50-75 parts of water.
所述的玻璃生产废水处理剂,包括按照质量份数计的如下原料:聚合氯化铝铁16份、氯化铁5份、聚丙烯酰胺10份、连二异丙基黄原酸酯15份、碳酸钠5份、硅酸钠6份、活性炭5份、乙二醇20份、水50份。 The glass production wastewater treatment agent includes the following raw materials in parts by mass: 16 parts of polyaluminum ferric chloride, 5 parts of ferric chloride, 10 parts of polyacrylamide, 15 parts of diisopropyl xanthate , 5 parts of sodium carbonate, 6 parts of sodium silicate, 5 parts of activated carbon, 20 parts of ethylene glycol, and 50 parts of water.
所述玻璃生产废水处理剂的制备方法,包括以下步骤:按照质量份数比,将聚丙烯酰胺和连二异丙基黄原酸酯溶于乙二醇中,搅拌20-30min,加入水搅拌10min,依次加入聚合氯化铝铁、氯化铁、碳酸钠、硅酸钠和活性炭,升温至55-60℃搅拌20min,带溶液自然冷却,所得混合液即为玻璃生产废水处理剂。 The preparation method of the glass production wastewater treatment agent comprises the following steps: dissolving polyacrylamide and diisopropylxanthate in ethylene glycol according to the ratio of parts by mass, stirring for 20-30min, adding water and stirring After 10 minutes, add polyaluminum ferric chloride, ferric chloride, sodium carbonate, sodium silicate and activated carbon in sequence, raise the temperature to 55-60°C and stir for 20 minutes, then cool the solution naturally, and the resulting mixed solution is the glass production wastewater treatment agent.
有益效果:本发明处理剂可与玻璃废水中的重金属螯合,使废水中的无机物凝聚后沉降,且可有效去除其中的有机污染物;本发明配方合理,原料易得,且本发明制备方法简单易行,可广泛推广应用。 Beneficial effects: the treatment agent of the present invention can chelate with the heavy metals in the glass waste water, make the inorganic matter in the waste water condense and then settle, and can effectively remove the organic pollutants therein; the formula of the present invention is reasonable, the raw materials are easy to obtain, and the preparation of The method is simple and easy, and can be widely popularized and applied.
具体实施方式 Detailed ways
下面结合实施例对本发明作进一步的详细描述。 The present invention will be further described in detail below in conjunction with the examples.
实施例1 Example 1
玻璃生产废水处理剂,包括按照质量份数计的如下原料:聚合氯化铝铁16份、氯化铁5份、聚丙烯酰胺10份、连二异丙基黄原酸酯15份、碳酸钠5份、硅酸钠6份、活性炭5份、乙二醇20份、水50份。 Glass production wastewater treatment agent, including the following raw materials in parts by mass: 16 parts of polyaluminum ferric chloride, 5 parts of ferric chloride, 10 parts of polyacrylamide, 15 parts of diisopropyl xanthate, sodium carbonate 5 parts, 6 parts of sodium silicate, 5 parts of activated carbon, 20 parts of ethylene glycol, and 50 parts of water.
本实施例制备方法,包括以下步骤:按照质量份数比,将聚丙烯酰胺和连二异丙基黄原酸酯溶于乙二醇中,搅拌20min,加入水搅拌10min,依次加入聚合氯化铝铁、氯化铁、碳酸钠、硅酸钠和活性炭,升温至55℃搅拌20min,带溶液自然冷却,所得混合液即为玻璃生产废水处理剂。 The preparation method of this example includes the following steps: according to the ratio of parts by mass, dissolving polyacrylamide and diisopropylxanthate in ethylene glycol, stirring for 20 minutes, adding water and stirring for 10 minutes, adding polychlorinated Aluminum iron, ferric chloride, sodium carbonate, sodium silicate and activated carbon are heated up to 55°C and stirred for 20 minutes, and the solution is naturally cooled. The resulting mixed solution is the glass production wastewater treatment agent.
实施例2 Example 2
玻璃生产废水处理剂,包括按照质量份数计的如下原料:聚合氯化铝铁18份、氯化铁8份、聚丙烯酰胺15份、连二异丙基黄原酸酯18份、碳酸钠8份、硅酸钠9份、活性炭10份、乙二醇30份、水75份。 Glass production wastewater treatment agent, including the following raw materials in parts by mass: 18 parts of polyaluminum ferric chloride, 8 parts of ferric chloride, 15 parts of polyacrylamide, 18 parts of diisopropyl xanthate, sodium carbonate 8 parts, sodium silicate 9 parts, activated carbon 10 parts, ethylene glycol 30 parts, water 75 parts.
本实施例制备方法,包括以下步骤:按照质量份数比,将聚丙烯酰胺和连二异丙基黄原酸酯溶于乙二醇中,搅拌30min,加入水搅拌10min,依次加入聚合氯化铝铁、氯化铁、碳酸钠、硅酸钠和活性炭,升温至60℃搅拌20min,带溶液自然冷却,所得混合液即为玻璃生产废水处理剂。 The preparation method of this example includes the following steps: according to the ratio of parts by mass, dissolving polyacrylamide and diisopropylxanthate in ethylene glycol, stirring for 30 minutes, adding water and stirring for 10 minutes, adding polychlorinated Aluminum iron, ferric chloride, sodium carbonate, sodium silicate and activated carbon are heated to 60°C and stirred for 20 minutes, and the solution is naturally cooled. The resulting mixed solution is the glass production wastewater treatment agent.
实施例3 Example 3
玻璃生产废水处理剂,包括按照质量份数计的如下原料:聚合氯化铝铁16份、氯化铁5份、聚丙烯酰胺10份、连二异丙基黄原酸酯15份、碳酸钠5份、硅酸钠6份、活性炭5份、乙二醇20份、水50份。 Glass production wastewater treatment agent, including the following raw materials in parts by mass: 16 parts of polyaluminum ferric chloride, 5 parts of ferric chloride, 10 parts of polyacrylamide, 15 parts of diisopropyl xanthate, sodium carbonate 5 parts, 6 parts of sodium silicate, 5 parts of activated carbon, 20 parts of ethylene glycol, and 50 parts of water.
本实施例制备方法,包括以下步骤:按照质量份数比,将聚丙烯酰胺和连二异丙基黄原酸酯溶于乙二醇中,搅拌30min,加入水搅拌10min,依次加入聚合氯化铝铁、氯化铁、碳酸钠、硅酸钠和活性炭,升温至60℃搅拌20min,带溶液自然冷却,所得混合液即为玻璃生产废水处理剂。 The preparation method of this example includes the following steps: according to the ratio of parts by mass, dissolving polyacrylamide and diisopropylxanthate in ethylene glycol, stirring for 30 minutes, adding water and stirring for 10 minutes, adding polychlorinated Aluminum iron, ferric chloride, sodium carbonate, sodium silicate and activated carbon are heated to 60°C and stirred for 20 minutes, and the solution is naturally cooled. The resulting mixed solution is the glass production wastewater treatment agent.
用实施例3所得成品处理某玻璃生产厂的废水,每立方米废水投放1000g本发明成品,处理前废水CODcr为208mg/L,pH为5,处理后的废水CODcr为35mg/L,pH为7。 The finished product obtained in Example 3 is used to process the waste water of a certain glass production plant. Every cubic meter of waste water is used to put 1000g of the finished product of the present invention. .
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310609964.1A CN103663638B (en) | 2013-11-27 | 2013-11-27 | Glass production wastewater treating agent and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310609964.1A CN103663638B (en) | 2013-11-27 | 2013-11-27 | Glass production wastewater treating agent and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103663638A true CN103663638A (en) | 2014-03-26 |
CN103663638B CN103663638B (en) | 2015-04-01 |
Family
ID=50302544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310609964.1A Active CN103663638B (en) | 2013-11-27 | 2013-11-27 | Glass production wastewater treating agent and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103663638B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110038326A (en) * | 2019-05-29 | 2019-07-23 | 湖北三宁化工股份有限公司 | A kind of compound sedimentation agent and its preparation method and application in fluorine process for producing sodium |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0513352A1 (en) * | 1990-01-29 | 1992-11-19 | SAKURADA, Yasuyuki | Method of cleaning soil water |
WO2006056022A1 (en) * | 2004-11-26 | 2006-06-01 | Hardman Australia Pty Ltd | Water treatment process |
CN101125688A (en) * | 2007-07-13 | 2008-02-20 | 常州市天歌高分子科技有限公司 | Nuisanceless algae processing agent and using method thereof |
CN101503255A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Method for treating heavy metal polluted water by multicomponent composite flocculating setting agent |
CN101503239A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Multicomponent composite flocculating setting agent and use in arsenic contamination water treatment |
US20120024794A1 (en) * | 2011-03-30 | 2012-02-02 | Crystal Lagoons Corporation Llc | Method and system for treating water used for industrial purposes |
CN102372324A (en) * | 2010-08-06 | 2012-03-14 | 余建国 | Composite purifier |
CN102976432A (en) * | 2012-12-02 | 2013-03-20 | 沈阳洪达信息科技有限公司 | Manufacturing method of wastewater treatment agent |
-
2013
- 2013-11-27 CN CN201310609964.1A patent/CN103663638B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0513352A1 (en) * | 1990-01-29 | 1992-11-19 | SAKURADA, Yasuyuki | Method of cleaning soil water |
WO2006056022A1 (en) * | 2004-11-26 | 2006-06-01 | Hardman Australia Pty Ltd | Water treatment process |
CN101125688A (en) * | 2007-07-13 | 2008-02-20 | 常州市天歌高分子科技有限公司 | Nuisanceless algae processing agent and using method thereof |
CN101503255A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Method for treating heavy metal polluted water by multicomponent composite flocculating setting agent |
CN101503239A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Multicomponent composite flocculating setting agent and use in arsenic contamination water treatment |
CN102372324A (en) * | 2010-08-06 | 2012-03-14 | 余建国 | Composite purifier |
US20120024794A1 (en) * | 2011-03-30 | 2012-02-02 | Crystal Lagoons Corporation Llc | Method and system for treating water used for industrial purposes |
CN102976432A (en) * | 2012-12-02 | 2013-03-20 | 沈阳洪达信息科技有限公司 | Manufacturing method of wastewater treatment agent |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110038326A (en) * | 2019-05-29 | 2019-07-23 | 湖北三宁化工股份有限公司 | A kind of compound sedimentation agent and its preparation method and application in fluorine process for producing sodium |
Also Published As
Publication number | Publication date |
---|---|
CN103663638B (en) | 2015-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101979416B (en) | Preparation of novel acrylamide high-polymer chelating agent and application thereof to stabilization treatment of hazardous waste | |
CN101337727A (en) | Preparation method of inorganic composite polysilicate aluminum iron chloride flocculant | |
CN107673439A (en) | A kind of sewage disposal medicament | |
CN103663602B (en) | Printing and dyeing wastewater purifying agent | |
CN102838977B (en) | A method for preparing polyacrylamide solution for reuse of oilfield produced water containing Ca2+ and Mg2+ | |
CN103896381B (en) | A kind of method that waste liquid utilized in activated clay production prepares PAFC | |
CN103663638B (en) | Glass production wastewater treating agent and preparation method thereof | |
CN103910481B (en) | A kind of Novel curing agent that utilizes solidifies the method disposing rubbish percolation liquid membrane concentrated solution mud | |
CN104058489B (en) | A kind of cellulose composite water treatment flocculant and using method thereof | |
CN103253840A (en) | Method for extracting natural acid-pickling corrosion inhibitor from surplus sludge and application thereof | |
CN105110393A (en) | Printing and dyeing wastewater efficient and quick purifying agent and preparation method thereof | |
CN105692831A (en) | Efficient slag-based inorganic phosphorous removal flocculating agent and preparation method thereof | |
CN105195083B (en) | A kind of method that heavy metal absorbent is prepared with sodium chloride modified heavy calcium carbonate | |
CN103042164A (en) | Modified soluble glass and preparation method and application thereof | |
CN110589943A (en) | A method of gelation treatment of chromium-containing wastewater and the resulting glass additive | |
CN106277509A (en) | A kind of processing method containing azo dye wastewater | |
CN103011463B (en) | A method for removing zirconium in sewage | |
CN104891778A (en) | Flocculant and method for dewatering sludge | |
CN104250036B (en) | Utilize dephosphorization composite flocculation agent and preparation method and using method that red mud makes | |
CN103626337B (en) | A kind of processing method of sewage | |
CN102583630A (en) | Method for treating antimony-containing waste water by modified bentonite | |
CN106746096B (en) | Method for treating phosphorus-containing iron ore beneficiation wastewater | |
CN105152298A (en) | Preparation method of composite flocculant of garbage leachate | |
CN105621827B (en) | A kind of heavy metal sewage sludge precalcining-solidification method of disposal | |
CN102583680A (en) | Preparation method and application for immobilized microorganism flocculant |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191204 Address after: 224400 No.18, Zexin Avenue, Xingou Town, Funing County, Yancheng City, Jiangsu Province Patentee after: Yancheng Jingxin Optical Technology Co.,Ltd. Address before: 226300 Industrial Park, Xianfeng Town, Nantong, Jiangsu, Tongzhou District Patentee before: NANTONG JINGXIN OPTICAL GLASS Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140326 Assignee: Yancheng Huaman Optical Technology Co.,Ltd. Assignor: Yancheng Jingxin Optical Technology Co.,Ltd. Contract record no.: X2024980020980 Denomination of invention: Glass production wastewater treatment agent and its preparation method Granted publication date: 20150401 License type: Common License Record date: 20241028 |
|
EE01 | Entry into force of recordation of patent licensing contract |