CN106745359A - One kind dyeing effluent purifying agent and preparation method thereof - Google Patents
One kind dyeing effluent purifying agent and preparation method thereof Download PDFInfo
- Publication number
- CN106745359A CN106745359A CN201611049528.3A CN201611049528A CN106745359A CN 106745359 A CN106745359 A CN 106745359A CN 201611049528 A CN201611049528 A CN 201611049528A CN 106745359 A CN106745359 A CN 106745359A
- Authority
- CN
- China
- Prior art keywords
- parts
- powder
- purifying agent
- effluent purifying
- motherwort
- 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.)
- Withdrawn
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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The invention discloses one kind dyeing effluent purifying agent, it is made up of according to weight portion following raw material：Alumina powder, biomass charcoal powder, plant ash, unfresh towel gourd, motherwort, protease, shepardite powder, modification infusorial earth, sodium bicarbonate and polyacrylamide.The present invention also disclosed the preparation method of the dyeing effluent purifying agent.Preparation process is simple of the present invention, extensively and low in raw material price, low production cost, preparation time is short, is suitable to large-scale industrial production for raw material sources；Inventive formulation is reasonable, by the synergy of the components such as unfresh towel gourd, motherwort, biomass charcoal powder, modification infusorial earth, purification efficiency is high, and required time is short, the chemicals in waste liquid quickly can be carried out into combined reaction, become solid particle, it is convenient to reclaim, to human body and environment without any injury, meet the emission request of environmental protection, meet the use demand of industry, wide market.
Description
Technical field
The present invention relates to a kind of medicament of chemical field, specifically a kind of dyeing effluent purifying agent.
Background technology
Industry refers to collection raw material-pretreatment, and they is processed into work and the process of product, and industry is unique production modernization
The department of the means of labour, it decides speed, scale and the level of national economic modernization, in contemporary world various countries national economy
In play leading role.Industry also provides raw material, fuel and power for itself and other each departments of national economy, is the people
Material and cultural life provides manufactured consumer goods；The main source of it or state revenue, be that national economy is autonomous, politics solely
The vertical, basic assurance of the modernization of national defense.Industry is the product of division of labor in society development, by handicraft, mordern industry, modern work
The several developing stage of industry.Industry is the important component of secondary industry, is divided into light industry and the major class of heavy industry two.Textile industry is
One kind of heavy industry, is also the important component of China's industry.With continually developing for textile industry and dyeing and printing products, printing and dyeing set
The standby important production equipment for having turned into textile industry.The dyeing apparatus thing followed is a large amount of discharges of printing and dyeing waste liquid, causes serious
Environmental pollution, this is not permitted in national environmental protection.Therefore, each textile enterprise or have printing and dyeing produce enterprise, it is right
In dyeing waste liquid treatment be particularly important.In general liquid waste processing, what most of enterprise took is sewage disposal system
System, is then repeatedly reclaimed to waste liquid and is used various chemical agents, can meet discharging standards.General change
Dilution of the medicament for waste liquid or synthesis are learned, disclosure satisfy that it is required.And for the liquid waste processing in dyeing or printing and dyeing enterprise,
Needs are purified using special cleanser, just can guarantee that its treatment is qualified, but existing are not exclusively carried out also on the market
The medicament for dyeing liquid waste processing exists, and this is just for the use of people brings inconvenience.
The content of the invention
It is an object of the invention to provide one kind dyeing effluent purifying agent, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
One kind dyeing effluent purifying agent, is made up of following raw material according to weight portion：Alumina powder 15-23 parts, biomass charcoal powder
3-12 parts, plant ash 3-15 parts, unfresh towel gourd 6-15 parts, motherwort 2-4 parts, -16 parts of proteinase 8,4-8 parts of shepardite powder, change
5-15 parts, sodium bicarbonate 6-15 parts and polyacrylamide 2-5 parts of diatomite of property.
As further scheme of the invention：The use diatomite of modification infusorial earth is forged under 350-550 degree celsius temperatures
Burn 25-60 minute, the product after calcining is put into 15-20 minutes in the hydrochloric acid of 2mol/L, then be washed with deionized water to neutrality and
Cross 150-200 mesh sieves.
As further scheme of the invention：The granularity of biomass charcoal powder be 50-100 mesh, protease using pepsin,
One or more in trypsase and cathepsin of mixing.
The preparation method of the dyeing effluent purifying agent, comprises the following steps that：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 30-50 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
Ionized water 15-20 parts is stirred, and mixer is stirred 20-45 minutes using the rotating speed of 300-450rpm, is obtained first and is mixed
Close solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 40-70 minutes using the rotating speed of 600-800rpm, unfresh towel gourd powder and benefit prepared by step one are added in whipping process
Brittle Falsepimpernel Herb powder, can obtain finished product after stirring.
Compared with prior art, the beneficial effects of the invention are as follows：Preparation process is simple of the present invention, raw material sources extensively and
Low in raw material price, low production cost, preparation time is short, is suitable to large-scale industrial production；Inventive formulation is reasonable, by old
The synergy of the components such as sponge gourd, motherwort, biomass charcoal powder, modification infusorial earth, purification efficiency is high, and required time is short, can
The chemicals in waste liquid is quickly carried out into combined reaction, solid particle is become, it is convenient to reclaim, to human body and environment without appointing
What is injured, and meets the emission request of environmental protection, meets the use demand of industry, wide market.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
One kind dyeing effluent purifying agent, is made up of following raw material according to weight portion：15 parts of alumina powder, 3 parts of biomass charcoal powder,
3 parts of plant ash, 6 parts of unfresh towel gourd, 2 parts of motherwort, proteinase 8 part, 4 parts of shepardite powder, 5 parts of modification infusorial earth, 6 parts of sodium bicarbonate
With 2 parts of polyacrylamide, the use diatomite of modification infusorial earth is calcined 25 minutes under 350 degree celsius temperatures, the product after calcining
Thing is put into 15 minutes in the hydrochloric acid of 2mol/L, then is washed with deionized water to neutrality and is crossed 150 mesh sieves.
The preparation method of the dyeing effluent purifying agent, comprises the following steps that：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 30 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
15 parts of ionized water is stirred, and mixer is stirred 20 minutes using the rotating speed of 300rpm, obtains the first mixed solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 40 minutes using the rotating speed of 600rpm, unfresh towel gourd powder and motherwort powder prepared by step one are added in whipping process
End, can obtain finished product after stirring.
Embodiment 2
One kind dyeing effluent purifying agent, is made up of following raw material according to weight portion：18 parts of alumina powder, 5 parts of biomass charcoal powder,
6 parts of plant ash, 9 parts of unfresh towel gourd, 3 parts of motherwort, 10 parts of protease, 5 parts of shepardite powder, 7 parts of modification infusorial earth, sodium bicarbonate 10
3 parts of part and polyacrylamide, the granularity of biomass charcoal powder is 80 mesh, and protease is using pepsin, trypsase and tissue egg
The mixing of one or more in enzyme in vain.
The preparation method of the dyeing effluent purifying agent, comprises the following steps that：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 50 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
17 parts of ionized water is stirred, and mixer is stirred 30 minutes using the rotating speed of 350rpm, obtains the first mixed solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 50 minutes using the rotating speed of 700rpm, unfresh towel gourd powder and motherwort powder prepared by step one are added in whipping process
End, can obtain finished product after stirring.
Embodiment 3
One kind dyeing effluent purifying agent, is made up of following raw material according to weight portion：20 parts of alumina powder, 9 parts of biomass charcoal powder,
13 parts of plant ash, 12 parts of unfresh towel gourd, 4 parts of motherwort, 11 parts of protease, 7 parts of shepardite powder, 10 parts of modification infusorial earth, little Su
11 parts and 4 parts of polyacrylamide are broken, the use diatomite of modification infusorial earth is calcined 50 minutes under 480 degree celsius temperatures, calcined
Product afterwards is put into 18 minutes in the hydrochloric acid of 2mol/L, then is washed with deionized water to neutrality and is crossed 200 mesh sieves.Biomass
The granularity of powdered carbon is 100 mesh, and protease is using the mixed of one or more in pepsin, trypsase and cathepsin
Close.
The preparation method of the dyeing effluent purifying agent, comprises the following steps that：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 50 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
15 parts of ionized water is stirred, and mixer is stirred 40 minutes using the rotating speed of 420rpm, obtains the first mixed solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 62 minutes using the rotating speed of 750rpm, unfresh towel gourd powder and motherwort powder prepared by step one are added in whipping process
End, can obtain finished product after stirring.
Embodiment 4
One kind dyeing effluent purifying agent, is made up of following raw material according to weight portion：22 parts of alumina powder, biomass charcoal powder 11
It is part, 13 parts of plant ash, 14 parts of unfresh towel gourd, 4 parts of motherwort, 15 parts of protease, 7 parts of shepardite powder, 13 parts of modification infusorial earth, small
5 parts of 15 parts of soda and polyacrylamide.The use diatomite of modification infusorial earth is calcined 52 minutes under 480 degree celsius temperatures, is forged
Product after burning is put into 18 minutes in the hydrochloric acid of 2mol/L, then is washed with deionized water to neutrality and is crossed 200 mesh sieves.It is biological
The granularity of matter powdered carbon is 90 mesh, and protease is using the mixed of one or more in pepsin, trypsase and cathepsin
Close.
The preparation method of the dyeing effluent purifying agent, comprises the following steps that：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 40 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
19 parts of ionized water is stirred, and mixer is stirred 40 minutes using the rotating speed of 400rpm, obtains the first mixed solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 65 minutes using the rotating speed of 750rpm, unfresh towel gourd powder and motherwort powder prepared by step one are added in whipping process
End, can obtain finished product after stirring.
Embodiment 5
One kind dyeing effluent purifying agent, is made up of following raw material according to weight portion：23 parts of alumina powder, biomass charcoal powder 12
It is part, 15 parts of plant ash, 15 parts of unfresh towel gourd, 4 parts of motherwort, 16 parts of protease, 8 parts of shepardite powder, 15 parts of modification infusorial earth, small
5 parts of 15 parts of soda and polyacrylamide.The use diatomite of modification infusorial earth is calcined 60 minutes under 550 degree celsius temperatures, is forged
Product after burning is put into 20 minutes in the hydrochloric acid of 2mol/L, then is washed with deionized water to neutrality and is crossed 200 mesh sieves.It is biological
The granularity of matter powdered carbon is 100 mesh, and protease uses trypsase.
The preparation method of the dyeing effluent purifying agent, comprises the following steps that：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 50 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
20 parts of ionized water is stirred, and mixer is stirred 45 minutes using the rotating speed of 450rpm, obtains the first mixed solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 70 minutes using the rotating speed of 800rpm, unfresh towel gourd powder and motherwort powder prepared by step one are added in whipping process
End, can obtain finished product after stirring.
Preparation process is simple of the present invention, raw material sources extensively and low in raw material price, low production cost, preparation time
It is short, it is suitable to large-scale industrial production；Inventive formulation is reasonable, by unfresh towel gourd, motherwort, biomass charcoal powder, modified diatom
The synergy of the components such as soil, purification efficiency is high, and required time is short, quickly can carry out the chemicals in waste liquid comprehensive anti-
Should, solid particle is become, it is convenient to reclaim, to human body and environment without any injury, meet the emission request of environmental protection, it is full
The use demand of sufficient industry, wide market.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (4)
1. a kind of dyeing effluent purifying agent, it is characterised in that be made up of according to weight portion following raw material：Alumina powder 15-23
Part, biomass charcoal powder 3-12 parts, plant ash 3-15 parts, unfresh towel gourd 6-15 parts, motherwort 2-4 parts, -16 parts of proteinase 8, shepardite
Powder 4-8 parts, modification infusorial earth 5-15 parts, sodium bicarbonate 6-15 parts and polyacrylamide 2-5 parts.
2. dyeing effluent purifying agent according to claim 1, it is characterised in that the use diatomite of the modification infusorial earth
Calcined 25-60 minutes under 350-550 degree celsius temperatures, the product after calcining is put into 15-20 minutes in the hydrochloric acid of 2mol/L, then
It is washed with deionized water to neutrality and crosses 150-200 mesh sieves.
3. dyeing effluent purifying agent according to claim 1 and 2, it is characterised in that the granularity of the biomass charcoal powder is
50-100 mesh, protease uses the mixing of one or more in pepsin, trypsase and cathepsin.
4. it is a kind of as described in claim 1-3 is any dyeing effluent purifying agent preparation method, it is characterised in that specific steps
It is as follows：
Step one, uses unfresh towel gourd and motherwort mechanical fine grinding and crosses 30-50 mesh sieves, obtains powder standby；
Step 2, polyacrylamide, alumina powder, biomass charcoal powder and plant ash are entered in mixer, are subsequently adding
Ionized water 15-20 parts is stirred, and mixer is stirred 20-45 minutes using the rotating speed of 300-450rpm, is obtained first and is mixed
Close solution；
Step 3, by protease, shepardite powder, modification infusorial earth and sodium bicarbonate add the first mixed solution in and mixer
Stirred 40-70 minutes using the rotating speed of 600-800rpm, unfresh towel gourd powder and benefit prepared by step one are added in whipping process
Brittle Falsepimpernel Herb powder, can obtain finished product after stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049528.3A CN106745359A (en) | 2016-11-25 | 2016-11-25 | One kind dyeing effluent purifying agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049528.3A CN106745359A (en) | 2016-11-25 | 2016-11-25 | One kind dyeing effluent purifying agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106745359A true CN106745359A (en) | 2017-05-31 |
Family
ID=58910861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611049528.3A Withdrawn CN106745359A (en) | 2016-11-25 | 2016-11-25 | One kind dyeing effluent purifying agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106745359A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921843A (en) * | 2019-12-12 | 2020-03-27 | 佛山科学技术学院 | Preparation method of polymer composite flocculant for printing and dyeing sewage |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449583A (en) * | 2013-08-22 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Water purifying agent |
| CN103951023A (en) * | 2014-04-18 | 2014-07-30 | 包头轻工职业技术学院 | Compound sewage treatment agent |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN104284866A (en) * | 2012-03-28 | 2015-01-14 | 哈洛资源公司 | Water treatment compositions and methods of use |
| CN104828953A (en) * | 2015-04-14 | 2015-08-12 | 浙江海洋学院 | Water treatment agent and preparation method thereof |
| CN104843841A (en) * | 2015-05-23 | 2015-08-19 | 张家港市山牧新材料技术开发有限公司 | Sewage flocculant |
| CN105198022A (en) * | 2015-10-28 | 2015-12-30 | 韩功篑 | Multi-effect printing and dyeing wastewater purifying treatment pulvis and preparation method thereof |
| CN105251462A (en) * | 2015-11-11 | 2016-01-20 | 姜捷 | Garbage penetrating fluid efficient wastewater treating agent based on modified fly ash and preparation method |
| CN105347455A (en) * | 2015-10-28 | 2016-02-24 | 杨洋 | Printing and dyeing wastewater purification powder and preparation method thereof |
| CN105692728A (en) * | 2016-02-22 | 2016-06-22 | 苏州锐耐洁电子科技新材料有限公司 | Purifying agent for dyed waste liquid |
-
2016
- 2016-11-25 CN CN201611049528.3A patent/CN106745359A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284866A (en) * | 2012-03-28 | 2015-01-14 | 哈洛资源公司 | Water treatment compositions and methods of use |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN103449583A (en) * | 2013-08-22 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Water purifying agent |
| CN103951023A (en) * | 2014-04-18 | 2014-07-30 | 包头轻工职业技术学院 | Compound sewage treatment agent |
| CN104828953A (en) * | 2015-04-14 | 2015-08-12 | 浙江海洋学院 | Water treatment agent and preparation method thereof |
| CN104843841A (en) * | 2015-05-23 | 2015-08-19 | 张家港市山牧新材料技术开发有限公司 | Sewage flocculant |
| CN105198022A (en) * | 2015-10-28 | 2015-12-30 | 韩功篑 | Multi-effect printing and dyeing wastewater purifying treatment pulvis and preparation method thereof |
| CN105347455A (en) * | 2015-10-28 | 2016-02-24 | 杨洋 | Printing and dyeing wastewater purification powder and preparation method thereof |
| CN105251462A (en) * | 2015-11-11 | 2016-01-20 | 姜捷 | Garbage penetrating fluid efficient wastewater treating agent based on modified fly ash and preparation method |
| CN105692728A (en) * | 2016-02-22 | 2016-06-22 | 苏州锐耐洁电子科技新材料有限公司 | Purifying agent for dyed waste liquid |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921843A (en) * | 2019-12-12 | 2020-03-27 | 佛山科学技术学院 | Preparation method of polymer composite flocculant for printing and dyeing sewage |
| CN110921843B (en) * | 2019-12-12 | 2022-04-15 | 佛山科学技术学院 | Preparation method of polymer composite flocculant for printing and dyeing sewage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PL367813A1 (en) | Recycled rubber processing and performance enhancement | |
| CN1789398A (en) | Natural plant type detergent | |
| CN109226175A (en) | Spent acid synergic processing process in domestic garbage incineration flyash recycling subtractive process | |
| JPH04503182A (en) | asbestos decomposition | |
| CN105565403A (en) | Preparation method of environment-friendly sewage treatment agent | |
| CN105819643A (en) | Sludge deodorant for treating sewage and preparation method and application of sludge deodorant | |
| WO2022048206A1 (en) | Method for extracting cod from excess sludge | |
| CN106745359A (en) | One kind dyeing effluent purifying agent and preparation method thereof | |
| CN108558291A (en) | A method of manufacturing building materials using domestic garbage incineration flyash | |
| CN110508245A (en) | A kind of wastewater treatment adsorbent material and preparation method thereof | |
| CN102311888B (en) | Washing assistant produced from sulfonation byproduct nigrotic acid and application thereof | |
| CN105731562A (en) | Sewage treatment agent for printing and dyeing industry and preparation method of sewage treatment agent | |
| CN110272174B (en) | Alkaline separating agent and application thereof in treatment of oil sludge | |
| CN107265582A (en) | A kind of compound shellfish modification biological dephosphorization material and its preparation method and application | |
| CN106833531B (en) | A kind of deoderizing dust suppressant and preparation method | |
| CN1446748A (en) | Method for preparing active carbon with height ratio surface area | |
| CN102311893A (en) | Production process for comprehensive cyclic utilization of sulfonation by-product nigrotic acid | |
| CN104313624A (en) | Metal surface cleaning agent containing walnut shell flour and preparation method of metal surface cleaning agent | |
| CN104357855A (en) | Agent for cleaning greasy dirt from surface of metal and preparation method thereof | |
| CN107352762A (en) | A kind of medicament of Treating Municipal Sewage factory sludge and preparation method thereof | |
| CN107118879A (en) | A kind of automobile tire cleaning sealing compound and preparation method | |
| CN106380059A (en) | High-efficiency sludge treating agent and preparation method thereof | |
| CN104291389A (en) | Sewage treating agent and application method thereof | |
| CN106630512A (en) | Oily sludge treatment agent and preparation method thereof | |
| CN106430358A (en) | Composite efficient wastewater treating agent and preparing method thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170531 |