CN106495250A - A kind of domestic sewage treating compound and preparation method thereof - Google Patents
A kind of domestic sewage treating compound and preparation method thereof Download PDFInfo
- Publication number
- CN106495250A CN106495250A CN201611107079.3A CN201611107079A CN106495250A CN 106495250 A CN106495250 A CN 106495250A CN 201611107079 A CN201611107079 A CN 201611107079A CN 106495250 A CN106495250 A CN 106495250A
- Authority
- CN
- China
- Prior art keywords
- parts
- carbonate
- treating compound
- domestic sewage
- sewage treating
- 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.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Epoxy Compounds (AREA)
Abstract
The invention discloses a kind of domestic sewage treating compound and preparation method thereof, its preparation method be sequentially add N methyl monoethanolamines, aluminum sulfate by, benzoyl peroxide, alkyl epoxy carboxylic acid sodium, it is heated to 30 40 DEG C of 20 80min of reaction, it is subsequently adding esterification lignin, aluminium sesquioxide, sodium citrate, propylene carbonate, carbonate, mix homogeneously, cooling, you can.The present invention has good purification for sanitary sewage, can effectively remove the COD in sanitary sewage, substantially remove all of ammonia nitrogen, COD and float, effect is significant.This addition for being possibly due to N methyl monoethanolamines improves the purified treatment effect of the present invention.
Description
Technical field
The present invention relates to sewage treatment area, more particularly to a kind of domestic sewage treating compound and preparation method thereof.
Background technology
The sewage produced during human lives, is one of primary pollution source of water body.Mainly feces and wash water.
Everyone daily sanitary sewage amount that discharges of city is 150 400L, and its amount and living standard have substantial connection.Contain in sanitary sewage
There are large amount of organic, such as cellulose, starch, saccharide and fat protein etc.；Also often containing pathogen, virus and parasitic ovum；
The chloride of inorganic salts, sulfate, phosphate, bicarbonate and sodium, potassium, calcium, magnesium etc..The characteristics of total be nitrogenous, sulfur-bearing and
Phosphorous height, under anaerobic bacteria effect, easily gives birth to odorant.Sanitary sewage is also simultaneously low-temperature heat source and methane occurring source, more
It is distant view liquefied oil gas field.
Wastewater treatment in China industry development progress is later, before arriving reform and opening-up since the establishment of the nation, the demand of wastewater treatment in China
Mainly based on industry and national defence tip use.After reform and opening-up, the fast development of national economy, living standards of the people aobvious
Write and improve, pulled the demand of sewage disposal.After entering nineteen nineties, wastewater treatment in China industry entry is quickly sent out
In the duration of an exhibition, the speedup of sewage disposal demand is far above global level.Sewage disposal device is used for removing in industry and municipal sewage
The impurity such as solid suspension, oils and fatss, jelly, with the help of chemical floc, can reduce in sewage to the full extent
The side-product of generation, can be with recycling, in paper industry, and the machine is used for paper machine white water and middle-stage wastewater such as deinking is useless
The process of water, on the one hand can reuse on the other hand can the sewage after process, so as to significantly reduce with recycled fiber
Pressure in terms of environmental protection, according to the 90 years popular Prototype Designs in the U.S., advanced technology, simple structure is the current country to the product
State-of-the-art sewage disposal device.And these equipment are expensive without exception, using inconvenience.
Content of the invention
For the deficiencies in the prior art, the invention provides a kind of domestic sewage treating compound and preparation method thereof, the sewage
Inorganic agent can effectively remove the COD in sanitary sewage, substantially remove all of ammonia nitrogen, COD and float.
The present invention is employed the following technical solutions：
A kind of domestic sewage treating compound, including the raw material of following weight portion meter：(2-hydroxyethyl)methylamine) 10-25 parts, sulphuric acid
Aluminum presses 20-30 parts, benzoyl peroxide 2-9 parts, alkyl epoxy carboxylic acid sodium 10-20 part, esterification lignin 25-28 parts, three oxidations two
Aluminum 10-25 parts, sodium citrate 8-15 parts, propylene carbonate 4-16 parts, carbonate 10-25 parts, kieselguhr 10-60 parts.
Domestic sewage treating compound, including the raw material of following weight portion meter：10 parts of (2-hydroxyethyl)methylamine), aluminum sulfate press 20
Part, 2 parts of benzoyl peroxide, 10 parts of alkyl epoxy carboxylic acid sodium, 25 parts of lignin of esterification, 10 parts of aluminium sesquioxide, sodium citrate 8
Part, 4 parts of propylene carbonate, 10 parts of carbonate.
Domestic sewage treating compound, including the raw material of following weight portion meter：25 parts of (2-hydroxyethyl)methylamine), aluminum sulfate press 30
Part, 9 parts of benzoyl peroxide, 20 parts of alkyl epoxy carboxylic acid sodium, 28 parts of lignin of esterification, 25 parts of aluminium sesquioxide, sodium citrate 15
Part, 16 parts of propylene carbonate, 25 parts of carbonate.
Domestic sewage treating compound, including the raw material of following weight portion meter：20 parts of (2-hydroxyethyl)methylamine), aluminum sulfate press 25
Part, 5 parts of benzoyl peroxide, alkyl epoxy carboxylic acid sodium 150-20 part, 26 parts of lignin of esterification, 20 parts of aluminium sesquioxide, citric acid
10 parts of sodium, 10 parts of propylene carbonate, 15 parts of carbonate, 40 parts of kieselguhr.
Preferably, described carbonate be sodium carbonate, potassium carbonate, Calcium Carbonate or magnesium carbonate in one or two with
On.
It is 1 that described carbonate is mass ratio:3:5 potassium carbonate, Calcium Carbonate and magnesium carbonate.
It is 3 that carbonate is mass ratio：4 sodium carbonate and magnesium carbonate.
Preferably, diatomaceous particle diameter is 300-400 microns.
A kind of domestic sewage treating compound preparation method, comprises the following steps：Sequentially add (2-hydroxyethyl)methylamine), aluminum sulfate
Press, benzoyl peroxide, alkyl epoxy carboxylic acid sodium, be heated to 30-40 DEG C reaction 20-80min, be subsequently adding esterification lignin, three
Al 2 O, sodium citrate, propylene carbonate, carbonate, mix homogeneously, cooling, you can.
Preferably, the response time is 60min, reaction temperature is 35 DEG C.
The present invention has good purification for sanitary sewage, can effectively remove the COD in sanitary sewage, substantially
Upper remove all of ammonia nitrogen, COD and float, effect is significant.This addition for being possibly due to (2-hydroxyethyl)methylamine) improves
The purified treatment effect of the present invention.
Specific embodiment
The present invention is further described in detail below by specific embodiment.
Embodiment 1
A kind of domestic sewage treating compound, including the raw material of following weight portion meter：10 parts of (2-hydroxyethyl)methylamine), aluminum sulfate are pressed
20 parts, 2 parts of benzoyl peroxide, 10 parts of alkyl epoxy carboxylic acid sodium, esterification 25 parts of lignin, 10 parts of aluminium sesquioxide, sodium citrate 8
Part, 4 parts of propylene carbonate, 10 parts of carbonate.
Diatomaceous particle diameter is 300-400 microns.Carbonate is sodium carbonate.
Domestic sewage treating compound preparation method, comprises the following steps：Sequentially add (2-hydroxyethyl)methylamine), aluminum sulfate by,
Benzoyl peroxide, alkyl epoxy carboxylic acid sodium, be heated to 35 DEG C reaction 60min, be subsequently adding esterification lignin, aluminium sesquioxide,
Sodium citrate, propylene carbonate, carbonate, mix homogeneously, cooling.
Embodiment 2
A kind of domestic sewage treating compound, including the raw material of following weight portion meter：25 parts of (2-hydroxyethyl)methylamine), aluminum sulfate are pressed
30 parts, 9 parts of benzoyl peroxide, 20 parts of alkyl epoxy carboxylic acid sodium, esterification 28 parts of lignin, 25 parts of aluminium sesquioxide, sodium citrate
15 parts, 16 parts of propylene carbonate, 25 parts of carbonate.
It is 3 that carbonate is mass ratio：4 sodium carbonate and magnesium carbonate.
Diatomaceous particle diameter is 300-400 microns.
Domestic sewage treating compound preparation method, comprises the following steps：Sequentially add (2-hydroxyethyl)methylamine), aluminum sulfate by,
Benzoyl peroxide, alkyl epoxy carboxylic acid sodium, be heated to 40 DEG C reaction 20min, be subsequently adding esterification lignin, aluminium sesquioxide,
Sodium citrate, propylene carbonate, carbonate, mix homogeneously, you can.
Embodiment 3
A kind of domestic sewage treating compound, including the raw material of following weight portion meter：20 parts of (2-hydroxyethyl)methylamine), aluminum sulfate are pressed
25 parts, 5 parts of benzoyl peroxide, alkyl epoxy carboxylic acid sodium 150-20 part, esterification 26 parts of lignin, 20 parts of aluminium sesquioxide, Fructus Citri Limoniae
10 parts of sour sodium, 10 parts of propylene carbonate, 15 parts of carbonate, 40 parts of kieselguhr.
It is 1 that described carbonate is mass ratio:3:5 potassium carbonate, Calcium Carbonate and magnesium carbonate.
Diatomaceous particle diameter is 300-400 microns.
A kind of domestic sewage treating compound preparation method, comprises the following steps：Sequentially add (2-hydroxyethyl)methylamine), aluminum sulfate
Press, benzoyl peroxide, alkyl epoxy carboxylic acid sodium, be heated to 30 DEG C reaction 80min, be subsequently adding esterification lignin, three oxidation two
Aluminum, sodium citrate, propylene carbonate, carbonate, mix homogeneously, cooling, you can.
Comparative example 1
Same as Example 1, difference is：It is not added with (2-hydroxyethyl)methylamine).
A kind of domestic sewage treating compound, including the raw material of following weight portion meter：Aluminum sulfate presses 20 parts, benzoyl peroxide 2
Part, 10 parts of alkyl epoxy carboxylic acid sodium, 25 parts of lignin of esterification, 10 parts of aluminium sesquioxide, 8 parts of sodium citrate, propylene carbonate 4
Part, 10 parts of carbonate.
Diatomaceous particle diameter is 300-400 microns.Carbonate is sodium carbonate.
Domestic sewage treating compound preparation method, comprises the following steps：Sequentially add aluminum sulfate by, benzoyl peroxide, alkane
Basic ring oxycarboxylic acid sodium, is heated to 35 DEG C of reaction 60min, is subsequently adding esterification lignin, aluminium sesquioxide, sodium citrate, Propylene Glycol
Carbonic ester, carbonate, mix homogeneously, cooling.
Performance test
COD (COD)：According to specified in GB GB11914-89, dichromate titration is determined.
Ammonia nitrogen：According to specified in GB GB7479-87, reagent colorimetric method is determined.
Float：Gravimetric detemination according to specified in GB GB11901-89.
The inorganic agent for sanitary sewage obtained by embodiment 1～3 is used for processing sanitary sewage, then according on
The method for stating test COD, ammonia nitrogen and float in performance test carries out sampling analyses to sanitary sewage before and after treatment
Test, as a result as follows.
Conclusion：The present invention has good purification for sanitary sewage, effectively can remove in sanitary sewage
COD, substantially removes all of ammonia nitrogen, COD and float, effect is significant.This is possibly due to adding for (2-hydroxyethyl)methylamine)
Enter the purified treatment effect that improve the present invention.
Claims (10)
1. a kind of domestic sewage treating compound, it is characterised in that including the raw material of following weight portion meter：(2-hydroxyethyl)methylamine) 10-
25 parts, aluminum sulfate press 20-30 parts, benzoyl peroxide 2-9 parts, alkyl epoxy carboxylic acid sodium 10-20 part, esterification lignin 25-28 parts,
Aluminium sesquioxide 10-25 parts, sodium citrate 8-15 parts, propylene carbonate 4-16 parts, carbonate 10-25 parts, kieselguhr 10-60
Part.
2. domestic sewage treating compound according to claim 1, it is characterised in that including the raw material of following weight portion meter：N-
10 parts of methyl monoethanolamine, aluminum sulfate by 20 parts, 2 parts of benzoyl peroxide, 10 parts of alkyl epoxy carboxylic acid sodium, esterification lignin 25
Part, 10 parts of aluminium sesquioxide, 8 parts of sodium citrate, 4 parts of propylene carbonate, 10 parts of carbonate.
3. domestic sewage treating compound according to claim 1, it is characterised in that including the raw material of following weight portion meter：N-
25 parts of methyl monoethanolamine, aluminum sulfate by 30 parts, 9 parts of benzoyl peroxide, 20 parts of alkyl epoxy carboxylic acid sodium, esterification lignin 28
Part, 25 parts of aluminium sesquioxide, 15 parts of sodium citrate, 16 parts of propylene carbonate, 25 parts of carbonate.
4. domestic sewage treating compound according to claim 1, it is characterised in that including the raw material of following weight portion meter：N-
20 parts of methyl monoethanolamine, aluminum sulfate by 25 parts, 5 parts of benzoyl peroxide, alkyl epoxy carboxylic acid sodium 150-20 part, esterification lignin
26 parts, 20 parts of aluminium sesquioxide, 10 parts of sodium citrate, 10 parts of propylene carbonate, 15 parts of carbonate, 40 parts of kieselguhr.
5. domestic sewage treating compound according to claim 1, it is characterised in that described carbonate is sodium carbonate, carbonic acid
One or more in potassium, Calcium Carbonate or magnesium carbonate.
6. domestic sewage treating compound according to claim 5, it is characterised in that it is 1 that described carbonate is mass ratio:3:
5 potassium carbonate, Calcium Carbonate and magnesium carbonate.
7. the domestic sewage treating compound according to claim 5 or 6, it is characterised in that it is 3 that carbonate is mass ratio：4 carbon
Sour sodium and magnesium carbonate.
8. domestic sewage treating compound according to claim 1, it is characterised in that diatomaceous particle diameter is 300-400 microns.
9. the preparation method based on the domestic sewage treating compound described in claim 1, it is characterised in that comprise the following steps：According to
Secondary addition (2-hydroxyethyl)methylamine), aluminum sulfate are pressed, benzoyl peroxide, alkyl epoxy carboxylic acid sodium, are heated to 30-40 DEG C of reaction
20-80min, is subsequently adding esterification lignin, aluminium sesquioxide, sodium citrate, propylene carbonate, carbonate, and mix homogeneously is cold
But, you can.
10. the preparation method of domestic sewage treating compound according to claim 9, it is characterised in that the response time is
60min, reaction temperature are 35 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107079.3A CN106495250A (en) | 2016-12-06 | 2016-12-06 | A kind of domestic sewage treating compound and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107079.3A CN106495250A (en) | 2016-12-06 | 2016-12-06 | A kind of domestic sewage treating compound and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106495250A true CN106495250A (en) | 2017-03-15 |
Family
ID=58329273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107079.3A Pending CN106495250A (en) | 2016-12-06 | 2016-12-06 | A kind of domestic sewage treating compound and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106495250A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691619A (en) * | 2009-10-19 | 2010-04-07 | 浙江赞宇科技股份有限公司 | Method for preparing leather fatliquoring agent |
| CN102020344A (en) * | 2010-11-10 | 2011-04-20 | 南通海迅天恒纳米科技有限公司 | Disinfectant for domestic water |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN104891686A (en) * | 2015-06-24 | 2015-09-09 | 梁胜光 | Aqueous softener |
| CN105084484A (en) * | 2015-08-28 | 2015-11-25 | 邓忆凯 | Flocculating agent for treating waste water and preparation method of flocculating agent |
| CN105174500A (en) * | 2015-10-05 | 2015-12-23 | 邹少兵 | Wastewater treating agent, preparation method and wastewater treatment method |
| CN105417599A (en) * | 2015-12-21 | 2016-03-23 | 天津欧盼科技开发有限公司 | Highly-efficient water-pollution treating agent |
| CN105668755A (en) * | 2016-04-13 | 2016-06-15 | 长沙紫宸科技开发有限公司 | Method for resourcefully using vanadium extracting wastewater for producing ammonia-hydrocarbon denitrifying agent |
| CN105664701A (en) * | 2016-04-13 | 2016-06-15 | 长沙紫宸科技开发有限公司 | Method for resourcefully using coking wastewater for preparing ammonia-hydrocarbon denitrifying agent |
| CN105967292A (en) * | 2016-05-20 | 2016-09-28 | 张能力 | Flocculating agent for sewage and preparation method thereof |
-
2016
- 2016-12-06 CN CN201611107079.3A patent/CN106495250A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691619A (en) * | 2009-10-19 | 2010-04-07 | 浙江赞宇科技股份有限公司 | Method for preparing leather fatliquoring agent |
| CN102020344A (en) * | 2010-11-10 | 2011-04-20 | 南通海迅天恒纳米科技有限公司 | Disinfectant for domestic water |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN104891686A (en) * | 2015-06-24 | 2015-09-09 | 梁胜光 | Aqueous softener |
| CN105084484A (en) * | 2015-08-28 | 2015-11-25 | 邓忆凯 | Flocculating agent for treating waste water and preparation method of flocculating agent |
| CN105174500A (en) * | 2015-10-05 | 2015-12-23 | 邹少兵 | Wastewater treating agent, preparation method and wastewater treatment method |
| CN105417599A (en) * | 2015-12-21 | 2016-03-23 | 天津欧盼科技开发有限公司 | Highly-efficient water-pollution treating agent |
| CN105668755A (en) * | 2016-04-13 | 2016-06-15 | 长沙紫宸科技开发有限公司 | Method for resourcefully using vanadium extracting wastewater for producing ammonia-hydrocarbon denitrifying agent |
| CN105664701A (en) * | 2016-04-13 | 2016-06-15 | 长沙紫宸科技开发有限公司 | Method for resourcefully using coking wastewater for preparing ammonia-hydrocarbon denitrifying agent |
| CN105967292A (en) * | 2016-05-20 | 2016-09-28 | 张能力 | Flocculating agent for sewage and preparation method thereof |
Non-Patent Citations (6)
| Title |
|---|
| 任世学: "《碱木质素的活化及多效碱木质素水处理剂的合成与应用》", 30 June 2007, 东北林业大学出版社 * |
| 彭怡等: "废润滑油回收利用技术研究进展", 《广州化工》 * |
| 王中华等: "《油田化学品实用手册》", 31 July 2004 * |
| 程能林: "《溶剂手册（第二版）》", 30 September 1994, 化学工业出版社 * |
| 郝新敏等: "《功能纺织材料和防护服装》", 30 November 2010, 中国纺织出版社 * |
| 黄峻等: "《临床药物手册（第五版）》", 31 January 2015, 上海科学技术出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Barlaz et al. | Bacterial population development and chemical characteristics of refuse decomposition in a simulated sanitary landfill | |
| WO2005026052A3 (en) | Bionest reactor for the application of anaerobic wastewater treatment and bioenergy recovery | |
| CY1109175T1 (en) | PROCEDURE FOR PRODUCTION OF HIGH-PURIFIED PURPOSE OF BIOLOGICAL MATERIAL | |
| CN105645643B (en) | Phosphorus-containing wastewater processing method | |
| CN105060502B (en) | Domestic sewage purifying agent and preparation method thereof | |
| TR199902492T2 (en) | Water separation process. | |
| CN103626254A (en) | Method for removing cyanides in cyaniding wastewater by use of emulsion liquid membrane technology | |
| JP2010089023A (en) | Method for volume-reducing waste sludge | |
| CN102397777A (en) | Preparation method of activated rice husk ash and application of activated rice husk ash to purification of biodiesel | |
| CN106495250A (en) | A kind of domestic sewage treating compound and preparation method thereof | |
| DE60336495D1 (en) | MANUFACTURING PROCESS FOR METHANGAS | |
| JP2003010895A (en) | Method for anaerobic treatment of organic substance and apparatus therefor | |
| CN112592011B (en) | Excess sludge cracking agent and preparation method and application thereof | |
| CN108298721A (en) | A kind of method of graphite oxide colloidal sol waste liquid cleaning treatment and recycling | |
| Selaman et al. | Anaerobic Co-Digestion of Food Waste and Palm Oil Mill Effluent for Phosphorus Recovery: Effect on Reduction of Total Solids, Volatile Solids and Cations | |
| BR9908512A (en) | Processes to treat a carboxylic acid ester, process to treat methyl isostearate, to produce a carboxylic acid ester, to produce methyl isostearate and to produce an alcohol | |
| CN111360025A (en) | Rapid lightweight treatment method for kitchen waste based on complex enzyme preparation | |
| JPS5370550A (en) | Organic waste liquid anaerobic digesting method | |
| CN205061845U (en) | Sludge treatment system | |
| CN108341550A (en) | A kind of snack food production waste water integrated treatment process | |
| CN103816854A (en) | Compound modification method of active magnesium oxide through high-temperature roasting and acetic acid soaking and application of obtained modified active magnesium oxide as fluorine removal agent | |
| CN104826366B (en) | A kind of processing method of erythritol dreg | |
| JP2000237787A (en) | Anaerobic treatment device of oil and fat-containing waste water | |
| ES2155754A1 (en) | Pork meat purins treatment technique comprises evaporation and concentration of the purin liquid, for anaerobic reaction producing bio gas | |
| CN107089754A (en) | Steel wastewater immediate processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |