CN105502532A - Urban sewage treatment agent and preparation method thereof - Google Patents

Urban sewage treatment agent and preparation method thereof Download PDF

Info

Publication number
CN105502532A
CN105502532A CN201610046608.7A CN201610046608A CN105502532A CN 105502532 A CN105502532 A CN 105502532A CN 201610046608 A CN201610046608 A CN 201610046608A CN 105502532 A CN105502532 A CN 105502532A
Authority
CN
China
Prior art keywords
parts
sodium
phosphate
treatment agent
sewage treatment
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
Application number
CN201610046608.7A
Other languages
Chinese (zh)
Inventor
张锐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610046608.7A priority Critical patent/CN105502532A/en
Publication of CN105502532A publication Critical patent/CN105502532A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage

Abstract

The invention discloses an urban sewage treatment agent and a preparation method thereof. The urban sewage treatment agent is prepared from, by weight, 28-30 parts of bentonite, 12-16 parts of sodium chloride, 16-18 parts of aluminium phosphate, 10-12 parts of ferric trichloride, 12-14 parts of poly-silicon aluminum sulfate, 24-26 parts of clay, 12-18 parts of sodium tripolyphosphate, 16-18 parts of chlorine dioxide, 10-16 parts of imvite, 16-18 parts of sodium borate, 8-12 parts of zinc acetate, 12-14 parts of cinnamyl aldehyde, 18-20 parts of monopotassium phosphate, 12-16 parts of ethylene glycol monobutyl ether and 16-20 parts of calcium aluminate. The urban sewage treatment agent is environmentally friendly, free of toxin, high in purification speed and good in purification effect.

Description

A kind of municipal sewage treatment agent and preparation method thereof
Technical field
The present invention relates to a kind of municipal sewage treatment agent and preparation method thereof.
Background technology
Current, environment protection has become the problem of World Focusing, and the emission request of municipal effluent is strict; country takes corresponding compulsory measure; seek a kind of effective sewage-treating agent, can reach sewage discharge requirement after can making sewage disposal, be numerous enterprises urgent need to solve the problem.Sewage disposal technology has a very important role to water saving, the problem such as energy-conservation, but also affects to environment in the use procedure of sewage treatment drug simultaneously.In cooling water system, water temperature is higher than under the various occasions of envrionment temperature, and the fouling of the inorganic salt such as calcium carbonate can bring serious consequence.In recent years, in water treatment field, the water technology of using basic, non-adjust ph is growing.Scientific utilization water treatment agent can effectively protection against corrosion and prevent fouling, thus improves the utilization ratio of object and water and reach the object of saving water source and the energy.
Summary of the invention
The technical problem to be solved in the present invention is to provide municipal sewage treatment agent of the fast and good purification of a kind of environment-protecting asepsis, purification speed and preparation method thereof.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of municipal sewage treatment agent and preparation method thereof, is made up of following raw material: wilkinite, sodium-chlor, aluminum phosphate, iron trichloride, polymeric aluminum sulfate silicate, clay, tripoly phosphate sodium STPP, dioxide peroxide, polynite, Sodium Tetraborate, zinc acetate, phenylacrolein, potassium primary phosphate, ethylene glycol monobutyl ether and calcium aluminate; Described raw material is by following parts by weight proportioning composition: wilkinite 28 ?30 parts, sodium-chlor 12 ?16 parts, aluminum phosphate 16 ?18 parts, iron trichloride 10 ?12 parts, polymeric aluminum sulfate silicate 12 ?14 parts, clay 24 ?26 parts, tripoly phosphate sodium STPP 12 ?18 parts, dioxide peroxide 16 ?18 parts, polynite 10 ?16 parts, Sodium Tetraborate 16 ?18 parts, zinc acetate 8 ?12 parts, phenylacrolein 12 ?14 parts, potassium primary phosphate 18 ?20 parts, ethylene glycol monobutyl ether 12 ?16 parts and calcium aluminate 16 ?20 parts.
Further, described raw material is by following parts by weight proportioning composition: wilkinite 28 parts, 16 parts, sodium-chlor, aluminum phosphate 18 parts, iron trichloride 12 parts, polymeric aluminum sulfate silicate 14 parts, clay 26 parts, tripoly phosphate sodium STPP 18 parts, dioxide peroxide 18 parts, polynite 16 parts, Sodium Tetraborate 18 parts, zinc acetate 12 parts, phenylacrolein 14 parts, potassium primary phosphate 20 parts, ethylene glycol monobutyl ether 16 parts and calcium aluminate 20 parts.
Further, described raw material is by following parts by weight proportioning composition: wilkinite 29 parts, 14 parts, sodium-chlor, aluminum phosphate 17 parts, iron trichloride 11 parts, polymeric aluminum sulfate silicate 13 parts, clay 25 parts, tripoly phosphate sodium STPP 15 parts, dioxide peroxide 17 parts, polynite 13 parts, Sodium Tetraborate 17 parts, zinc acetate 10 parts, phenylacrolein 13 parts, potassium primary phosphate 19 parts, ethylene glycol monobutyl ether 14 parts and calcium aluminate 18 parts.
Further, described raw material is by following parts by weight proportioning composition: wilkinite 30 parts, 12 parts, sodium-chlor, aluminum phosphate 16 parts, iron trichloride 10 parts, polymeric aluminum sulfate silicate 12 parts, clay 24 parts, tripoly phosphate sodium STPP 12 parts, dioxide peroxide 16 parts, polynite 10 parts, Sodium Tetraborate 16 parts, zinc acetate 8 parts, phenylacrolein 12 parts, potassium primary phosphate 18 parts, ethylene glycol monobutyl ether 12 parts and calcium aluminate 16 parts.
Another technical problem that the present invention will solve is to provide a kind of preparation method of municipal sewage treatment agent, includes following steps:
1) get wilkinite 28 ?30 parts, sodium-chlor 12 ?16 parts, aluminum phosphate 16 ?18 parts, iron trichloride 10 ?12 parts, polymeric aluminum sulfate silicate 12 ?14 parts, clay 24 ?26 parts, tripoly phosphate sodium STPP 12 ?18 parts, dioxide peroxide 16 ?18 parts, polynite 10 ?16 parts put into a container, with 80 ?90 DEG C heating temperatures 15 ?20min;
2) by the material vibration of ultrasonic wave 10 after above-mentioned heating ?20min, hyperacoustic frequency is 1000w, for subsequent use;
3) get Sodium Tetraborate 16 ?18 parts, zinc acetate 8 ?12 parts and phenylacrolein 12 ?14 parts, put into stirrer, stir, leave standstill 5 ?10min;
4) material after above-mentioned stirring is put into well heater, temperature rise to 70 ?85 DEG C, heat 5 ?10min;
5) get potassium primary phosphate 18 ?20 parts, ethylene glycol monobutyl ether 12 ?16 parts and calcium aluminate 16 ?20 parts, add step 4 to) in material after heating, often kind of material add be spaced apart 2 ?3min, interpolation limit, limit is stirred;
6) by step 5) in obtained material add step 2 to) in, stir;
7) by step 6) in stir after material left 15 ?20min, municipal sewage treatment agent can be obtained.
Beneficial effect of the present invention is: this municipal sewage treatment agent purification speed is fast, produces in process without toxic and harmful; Reacted resultant is stablized, and can not resolve into toxic substance again; Efficiently, nontoxic, reaction before and after to human-body safety, corrosion-free to object; Using method is easy does not change technical process, without the need to increasing object and additional materials.
Embodiment
Embodiment 1:
A kind of municipal sewage treatment agent, described raw material is by following parts by weight proportioning composition: wilkinite 28 parts, 16 parts, sodium-chlor, aluminum phosphate 18 parts, iron trichloride 12 parts, polymeric aluminum sulfate silicate 14 parts, clay 26 parts, tripoly phosphate sodium STPP 18 parts, dioxide peroxide 18 parts, polynite 16 parts, Sodium Tetraborate 18 parts, zinc acetate 12 parts, phenylacrolein 14 parts, potassium primary phosphate 20 parts, ethylene glycol monobutyl ether 16 parts and calcium aluminate 20 parts.
A preparation method for municipal sewage treatment agent, includes following steps:
1) get wilkinite 28 parts, 16 parts, sodium-chlor, aluminum phosphate 18 parts, iron trichloride 12 parts, polymeric aluminum sulfate silicate 14 parts, clay 26 parts, tripoly phosphate sodium STPP 18 parts, dioxide peroxide 18 parts, polynite 16 parts put into a container, with 80 ?90 DEG C heating temperatures 15 ?20min;
2) by the material vibration of ultrasonic wave 10 after above-mentioned heating ?20min, hyperacoustic frequency is 1000w, for subsequent use;
3) get Sodium Tetraborate 18 parts, zinc acetate 12 parts and phenylacrolein 14 parts, put into stirrer, stir, leave standstill 5 ?10min;
4) material after above-mentioned stirring is put into well heater, temperature rise to 70 ?85 DEG C, heat 5 ?10min;
5) get potassium primary phosphate 20 parts, ethylene glycol monobutyl ether 16 parts and calcium aluminate 20 parts, add step 4 to) in material after heating, often kind of material add be spaced apart 2 ?3min, interpolation limit, limit is stirred;
6) by step 5) in obtained material add step 2 to) in, stir;
7) by step 6) in stir after material left 15 ?20min, municipal sewage treatment agent can be obtained.
Embodiment 2:
A kind of municipal sewage treatment agent, described raw material is by following parts by weight proportioning composition: wilkinite 29 parts, 14 parts, sodium-chlor, aluminum phosphate 17 parts, iron trichloride 11 parts, polymeric aluminum sulfate silicate 13 parts, clay 25 parts, tripoly phosphate sodium STPP 15 parts, dioxide peroxide 17 parts, polynite 13 parts, Sodium Tetraborate 17 parts, zinc acetate 10 parts, phenylacrolein 13 parts, potassium primary phosphate 19 parts, ethylene glycol monobutyl ether 14 parts and calcium aluminate 18 parts.
A preparation method for municipal sewage treatment agent, includes following steps:
1) get wilkinite 29 parts, 14 parts, sodium-chlor, aluminum phosphate 17 parts, iron trichloride 11 parts, polymeric aluminum sulfate silicate 13 parts, clay 25 parts, tripoly phosphate sodium STPP 15 parts, dioxide peroxide 17 parts, polynite 13 parts put into a container, with 80 ?90 DEG C heating temperatures 15 ?20min;
2) by the material vibration of ultrasonic wave 10 after above-mentioned heating ?20min, hyperacoustic frequency is 1000w, for subsequent use;
3) get Sodium Tetraborate 17 parts, zinc acetate 10 parts and phenylacrolein 13 parts, put into stirrer, stir, leave standstill 5 ?10min;
4) material after above-mentioned stirring is put into well heater, temperature rise to 70 ?85 DEG C, heat 5 ?10min;
5) get potassium primary phosphate 19 parts, ethylene glycol monobutyl ether 14 parts and calcium aluminate 18 parts, add step 4 to) in material after heating, often kind of material add be spaced apart 2 ?3min, interpolation limit, limit is stirred;
6) by step 5) in obtained material add step 2 to) in, stir;
7) by step 6) in stir after material left 15 ?20min, municipal sewage treatment agent can be obtained.
Embodiment 3:
A kind of municipal sewage treatment agent, described raw material is by following parts by weight proportioning composition: wilkinite 30 parts, 12 parts, sodium-chlor, aluminum phosphate 16 parts, iron trichloride 10 parts, polymeric aluminum sulfate silicate 12 parts, clay 24 parts, tripoly phosphate sodium STPP 12 parts, dioxide peroxide 16 parts, polynite 10 parts, Sodium Tetraborate 16 parts, zinc acetate 8 parts, phenylacrolein 12 parts, potassium primary phosphate 18 parts, ethylene glycol monobutyl ether 12 parts and calcium aluminate 16 parts.
A preparation method for municipal sewage treatment agent, includes following steps:
1) get wilkinite 30 parts, 12 parts, sodium-chlor, aluminum phosphate 16 parts, iron trichloride 10 parts, polymeric aluminum sulfate silicate 12 parts, clay 24 parts, tripoly phosphate sodium STPP 12 parts, dioxide peroxide 16 parts, polynite 10 parts put into a container, with 80 ?90 DEG C heating temperatures 15 ?20min;
2) by the material vibration of ultrasonic wave 10 after above-mentioned heating ?20min, hyperacoustic frequency is 1000w, for subsequent use;
3) get Sodium Tetraborate 16 parts, zinc acetate 8 parts and phenylacrolein 12 parts, put into stirrer, stir, leave standstill 5 ?10min;
4) material after above-mentioned stirring is put into well heater, temperature rise to 70 ?85 DEG C, heat 5 ?10min;
5) get potassium primary phosphate 18 parts, ethylene glycol monobutyl ether 12 parts and calcium aluminate 16 parts, add step 4 to) in material after heating, often kind of material add be spaced apart 2 ?3min, interpolation limit, limit is stirred;
6) by step 5) in obtained material add step 2 to) in, stir;
7) by step 6) in stir after material left 15 ?20min, municipal sewage treatment agent can be obtained.
Experimental example:
Experimental subjects: select municipal sewage treatment agent of the present invention and two kinds of common sewage-treating agents, be divided into experimental group, control group 1 and control group 2 respectively.
Experimental technique: the sewage the same to three groups of pollution levels respectively with the sewage-treating agent of each group processes.
Experimental result:
As can be seen here, the action effect of municipal sewage treatment agent of the present invention to sewage is best, compared with common sewage-treating agent, has marked improvement.
Beneficial effect of the present invention is: this municipal sewage treatment agent purification speed is fast, produces in process without toxic and harmful; Reacted resultant is stablized, and can not resolve into toxic substance again; Efficiently, nontoxic, reaction before and after to human-body safety, corrosion-free to object; Using method is easy does not change technical process, without the need to increasing object and additional materials.
Typical case:
Wu, live in a city, channel sewage near the commuter time at ordinary times always smells sends insufferable smell, Wu finds that the municipal effluent of original channel can not get administering, cause situation more and more severe, so Wu have purchased common sewage-treating agent and administers the channel near oneself shelter, use after three months, be not very significantly improved, Wu feels very annoyed, but after Wu employs municipal sewage treatment agent of the present invention, municipal effluent obtains effective purification, and the life of Wu is also more and more finer.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed in protection scope of the present invention.

Claims (5)

1. municipal sewage treatment agent and preparation method thereof, is characterized in that: be made up of following raw material: wilkinite, sodium-chlor, aluminum phosphate, iron trichloride, polymeric aluminum sulfate silicate, clay, tripoly phosphate sodium STPP, dioxide peroxide, polynite, Sodium Tetraborate, zinc acetate, phenylacrolein, potassium primary phosphate, ethylene glycol monobutyl ether and calcium aluminate; Described raw material is by following parts by weight proportioning composition: wilkinite 28 ?30 parts, sodium-chlor 12 ?16 parts, aluminum phosphate 16 ?18 parts, iron trichloride 10 ?12 parts, polymeric aluminum sulfate silicate 12 ?14 parts, clay 24 ?26 parts, tripoly phosphate sodium STPP 12 ?18 parts, dioxide peroxide 16 ?18 parts, polynite 10 ?16 parts, Sodium Tetraborate 16 ?18 parts, zinc acetate 8 ?12 parts, phenylacrolein 12 ?14 parts, potassium primary phosphate 18 ?20 parts, ethylene glycol monobutyl ether 12 ?16 parts and calcium aluminate 16 ?20 parts.
2. municipal sewage treatment agent as claimed in claim 2 and preparation method thereof, is characterized in that: described raw material forms by following parts by weight proportioning: wilkinite 28 parts, 16 parts, sodium-chlor, aluminum phosphate 18 parts, iron trichloride 12 parts, polymeric aluminum sulfate silicate 14 parts, clay 26 parts, tripoly phosphate sodium STPP 18 parts, dioxide peroxide 18 parts, polynite 16 parts, Sodium Tetraborate 18 parts, zinc acetate 12 parts, phenylacrolein 14 parts, potassium primary phosphate 20 parts, ethylene glycol monobutyl ether 16 parts and calcium aluminate 20 parts.
3. municipal sewage treatment agent as claimed in claim 3 and preparation method thereof, is characterized in that: described raw material forms by following parts by weight proportioning: wilkinite 29 parts, 14 parts, sodium-chlor, aluminum phosphate 17 parts, iron trichloride 11 parts, polymeric aluminum sulfate silicate 13 parts, clay 25 parts, tripoly phosphate sodium STPP 15 parts, dioxide peroxide 17 parts, polynite 13 parts, Sodium Tetraborate 17 parts, zinc acetate 10 parts, phenylacrolein 13 parts, potassium primary phosphate 19 parts, ethylene glycol monobutyl ether 14 parts and calcium aluminate 18 parts.
4. municipal sewage treatment agent as claimed in claim 4 and preparation method thereof, is characterized in that: described raw material forms by following parts by weight proportioning: wilkinite 30 parts, 12 parts, sodium-chlor, aluminum phosphate 16 parts, iron trichloride 10 parts, polymeric aluminum sulfate silicate 12 parts, clay 24 parts, tripoly phosphate sodium STPP 12 parts, dioxide peroxide 16 parts, polynite 10 parts, Sodium Tetraborate 16 parts, zinc acetate 8 parts, phenylacrolein 12 parts, potassium primary phosphate 18 parts, ethylene glycol monobutyl ether 12 parts and calcium aluminate 16 parts.
5. a preparation method for municipal sewage treatment agent, is characterized in that: include following steps:
1) get wilkinite 28 ?30 parts, sodium-chlor 12 ?16 parts, aluminum phosphate 16 ?18 parts, iron trichloride 10 ?12 parts, polymeric aluminum sulfate silicate 12 ?14 parts, clay 24 ?26 parts, tripoly phosphate sodium STPP 12 ?18 parts, dioxide peroxide 16 ?18 parts, polynite 10 ?16 parts put into a container, with 80 ?90 DEG C heating temperatures 15 ?20min;
2) by the material vibration of ultrasonic wave 10 after above-mentioned heating ?20min, hyperacoustic frequency is 1000w, for subsequent use;
3) get Sodium Tetraborate 16 ?18 parts, zinc acetate 8 ?12 parts and phenylacrolein 12 ?14 parts, put into stirrer, stir, leave standstill 5 ?10min;
4) material after above-mentioned stirring is put into well heater, temperature rise to 70 ?85 DEG C, heat 5 ?10min;
5) get potassium primary phosphate 18 ?20 parts, ethylene glycol monobutyl ether 12 ?16 parts and calcium aluminate 16 ?20 parts, add step 4 to) in material after heating, often kind of material add be spaced apart 2 ?3min, interpolation limit, limit is stirred;
6) by step 5) in obtained material add step 2 to) in, stir;
7) by step 6) in stir after material left 15 ?20min, municipal sewage treatment agent can be obtained.
CN201610046608.7A 2016-01-22 2016-01-22 Urban sewage treatment agent and preparation method thereof Pending CN105502532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610046608.7A CN105502532A (en) 2016-01-22 2016-01-22 Urban sewage treatment agent and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610046608.7A CN105502532A (en) 2016-01-22 2016-01-22 Urban sewage treatment agent and preparation method thereof

Publications (1)

Publication Number Publication Date
CN105502532A true CN105502532A (en) 2016-04-20

Family

ID=55710918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610046608.7A Pending CN105502532A (en) 2016-01-22 2016-01-22 Urban sewage treatment agent and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105502532A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106629909A (en) * 2016-12-15 2017-05-10 钦州市钦南区科学技术情报研究所 Industrial sewage treatment agent and preparation method thereof
WO2018232874A1 (en) * 2017-06-22 2018-12-27 谭启善 Ecological purification treatment agent for industrial wastewater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140124453A1 (en) * 2012-11-08 2014-05-08 Michael Presutti Chemical co-precipitation process for recovery of flow-back water, produced water and wastewater of similar characteristics
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
CN104925878A (en) * 2015-05-27 2015-09-23 南京科技职业学院 Industrial wastewater treating agent
CN105016438A (en) * 2014-04-16 2015-11-04 天津市绿通环保工程设备开发有限公司 Sewage treatment agent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140124453A1 (en) * 2012-11-08 2014-05-08 Michael Presutti Chemical co-precipitation process for recovery of flow-back water, produced water and wastewater of similar characteristics
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
CN105016438A (en) * 2014-04-16 2015-11-04 天津市绿通环保工程设备开发有限公司 Sewage treatment agent
CN104925878A (en) * 2015-05-27 2015-09-23 南京科技职业学院 Industrial wastewater treating agent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106629909A (en) * 2016-12-15 2017-05-10 钦州市钦南区科学技术情报研究所 Industrial sewage treatment agent and preparation method thereof
WO2018232874A1 (en) * 2017-06-22 2018-12-27 谭启善 Ecological purification treatment agent for industrial wastewater

Similar Documents

Publication Publication Date Title
CN105967266A (en) Efficient sewage treatment agent and preparation method thereof
CN102633453B (en) Neutral modifying agent for fluorgypsum and method for utilizing neutral modifying agent to modify fluorgypsum
CN105481034A (en) Efficient industrial sewage treating agent and preparation method thereof
CN106315880B (en) A kind of anti-incrustation corrosion inhibitor and preparation method thereof
CN105481035A (en) Efficient wastewater treatment agent and preparation method thereof
CN105502532A (en) Urban sewage treatment agent and preparation method thereof
CN104192918A (en) Sewage treatment agent, as well as preparation method and application thereof
CN102838197A (en) Method for preparing novel composite flocculant PSAFS (poly-silicate aluminum ferrous sulfate)
CN102304351A (en) Preparation method and application of water-soluble environment-friendly heat conduction oil
CN105859317B (en) A kind of method using sludge
CN106542629A (en) In a kind of sewage and medicament and preparation method thereof
CN108659995A (en) The preparation method of stable type plastic conduit dredging agent
CN108164138B (en) Harmless treatment method of medical waste salt
CN106745324A (en) PAFS, preparation method and applications
CN110143675A (en) Industrial circulating cooling water system without phosphorus prefilming agent and preparation method thereof
CN103145204B (en) Preparation method for high-concentration phosphorus wastewater treatment agent
CN101973650A (en) Closed circulation method for sodium hypochlorite waste water treatment of acetylene purification process in polyvinyl chloride (PVC) production by calcium carbide method
CN104692510A (en) Preparation method for solid polymer ferric sulfate zinc flocculant
CN107381756A (en) A kind of environment-friendly long-life Industrial waste water treatment agent and preparation method thereof
CN107010705A (en) A kind of preparation method of rare earth aluminium polychloride water treatment agent
CN106477651A (en) A kind of sewage-treating agent and preparation method thereof
CN105130022A (en) Preparation method for reverse-osmosis scale inhibition dispersion agent
CN104261610A (en) Novel coagulation treatment method for chemical waste water
CN108928954A (en) Boiler water treatment technology based on the water-saving preparation of boiler energy-saving
CN103936175A (en) Environment-friendly phosphorus-free scale-corrosion inhibitor and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into 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: 20160420