CN108585229A - A kind of drinking water softening composite drug and its application - Google Patents
A kind of drinking water softening composite drug and its application Download PDFInfo
- Publication number
- CN108585229A CN108585229A CN201810061532.4A CN201810061532A CN108585229A CN 108585229 A CN108585229 A CN 108585229A CN 201810061532 A CN201810061532 A CN 201810061532A CN 108585229 A CN108585229 A CN 108585229A
- Authority
- CN
- China
- Prior art keywords
- component
- water
- drinking water
- composite drug
- softens
- 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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A kind of drinking water softening composite drug and its application, the drinking water softening composite drug includes the first component and the second component, wherein, first component includes sodium hydroxide or sodium carbonate, second component includes flocculant and flocculation aid, the flocculant is selected from prefabricated high-basicity aluminium polychloride, and the flocculation aid is Polyacrylamide.The application includes：The first component of the water softening composite drug is added in water, stirs evenly, the second component is added after 5 15 minutes, stirs evenly, the water after being softened after standing.The present invention can effectively reduce the hardness of drinking water, and can guarantee that delivery turbidity meets national standard, be not necessarily to additional filter device, saved construction cost and operating cost, had a good promotion prospects.
Description
Technical field
The invention pertains to water-treatment technology fields, and in particular to a kind of drinking water softening composite drug and its application.
Background technology
The big Drinking Water of hardness due to exist boil rear poor taste, easily generate incrustation scale soap scum, reduce washing effect and
The problems such as skin is uncomfortable, therefore be constantly subjected to the common people and denounce and complain.For water quality high rigidity problem, domestic existing hardness removing process
Predominantly lime softening method, ion-exchange, film tenderizer etc., each technology has some limitations.For example, traditional stone
Grey tenderizer is although at low cost, but effluent quality is unstable, operational management is more complicated；Ion exchange softening method not only to locating in advance
Reason requires strictly, and expense is also higher, and goes out acidity of water or salinity increase, is not suitable for life and drinks；Although film softening process
Effluent quality is good, but builds high with operating cost.For examining for economic cost, technical merit and standard requirement etc.
Consider, China's water softening at present is handled mainly for industrial water.For Drinking Water except hard technology is not yet in economy
Upper appropriate, technically maturation scheme.
Invention content
The object of the present invention is to provide a kind of water softening composite drug and its application, it is discharged that residual turbidity is low, water after processing
Matter is stable and removes hard excellent effect.Present invention is particularly suitable for the processing of underground water, drinking water.
The present invention takes following technical scheme：A kind of drinking water softening composite drug, including the first component and the second component,
Wherein, first component includes sodium hydroxide or sodium carbonate, and second component includes flocculant and flocculation aid, the flocculation
Agent is selected from prefabricated high-basicity aluminium polychloride, and the flocculation aid is Polyacrylamide.
Preferably, the sodium hydroxide or sodium carbonate are food grade sodium hydroxide or food-grade sodium carbonate.
Preferably, Ala in the prefabricated high-basicity aluminium polychloride：Alb：The molar concentration percentage of Alc is
(0.03-0.10)：(0.80-0.95)：(0.02-0.10).
Preferably, the flocculation aid is food-grade Polyacrylamide, and ion degree 5-10%, molecular weight is
Ten thousand Da of 1000-1200.
Preferably, the mass ratio of first component and the second component is (30~90)：1.
Preferably, the mass ratio of aluminium polychloride and Polyacrylamide is (10 in second component：1)~
(100：1).
A kind of application of the drinking water softening composite drug, including：The water softening composite drug is added in water
First component, stirs evenly, and the second component is added after 5-15 minutes, stirs evenly, the water after being softened after standing.
Preferably, a concentration of 120-180mg/L of first component in water, the concentration of second component in water
For 2-4mg/L.
Preferably, it after the second component being added, is stirred 1-3 minutes in 150-250r/min first, then in 30-50r/min
Stirring 5-15 minutes.
Preferably, time of repose is 0.5-1 hours.
Compared with prior art, the beneficial effects of the invention are as follows：
Drinking water provided by the invention softens compound compound drug, and preparation method is simple, raw material sources are extensive, at low cost
It is honest and clean, it can be achieved that calcium carbonate rapidly and efficiently, magnesium hydrate precipitate object are precipitated, sediment settleability is good, it is only necessary to which standing can reality
It is now separated by solid-liquid separation, does not need filter device, conventional lime tenderizer is significantly better than on treatment effect, water factory can be utilized existing
Facility need not carry out enlarging upgrading to water factory, the potentiality with large-scale promotion.
Description of the drawings
Fig. 1 is that batch-type softens reactor schematic diagram.
Reference sign：
1- reactors；2- blenders；3- is pumped.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
The water softening composite drug of the present invention includes the first component and the second component, wherein the first component includes hydroxide
Sodium or sodium carbonate, the second component include flocculant and flocculation aid, and flocculant is selected from aluminium polychloride, and flocculation aid is poly- selected from ionic
It is one or more in acrylamide.In some embodiments, sodium hydroxide or sodium carbonate are food grade sodium hydroxide or carbonic acid
Sodium, flocculant are prefabricated high-basicity aluminium polychloride (basicity 1.5-2.1), and flocculation aid is Polyacrylamide.
The effect of sodium hydroxide is to react to generate precipitation of calcium carbonate with bicarbonate radical in water and calcium ion, reduces the hard of water
Degree.The effect of aluminium polychloride is to generate to have Mg (OH) with the magnesium ion in underground water2The hydroxyl Mg-Al composite of similarity
Sediment further decreases ground water hardness, while aluminium polychloride is a kind of good flocculant, and precipitation of calcium carbonate can be made poly-
Collection forms bulky grain, delivery turbidity after reduction processing.Polyacrylamide is a kind of organic coagulant aid, and energy is compounded with aluminium polychloride
Ensure delivery turbidity control in more low-level.
The water softening composite drug of the present invention is applicable to a variety of reactors.By taking batch-type softens reactor as an example (Fig. 1),
First adding the first component in reactor 1 using pump 3 when handling raw water reduces hardness, starts blender 2 and stirs evenly, 5-15 points
Zhong Houzai, which adds the second component, reduces turbidity, starts blender 2 and stirs evenly, and is discharged after standing half an hour, 1 lower valve of reactor
Door is opened and is arranged outside particle.
Embodiment 1
Special agent for removing hardness ions in underground water, including weight ratio are 120：3 the first component, second group
Point.First group is divided into NaOH, and second group is divided into Al13(purified and be made by PAC) and Polyacrylamide (mass ratio 20：
1).Wherein sodium hydroxide is food grade sodium hydroxide, and polyacrylamide is food grade polyacrylamide.
It is the underground water that 500mg/L, pH are 7.90 using above-mentioned chemicals treatment initial hardness, includes the following steps.
Underground water is pumped into sequencing batch reactor, reactor is added in the first component, dosage 120mg/L is started and stirred
Mixing device makes the first component and underground water be sufficiently mixed mixing.
The second component, dosage 3mg/L, 200r/min stirring 2 minutes, 40r/min stirrings is added in stirring after ten minutes
10 minutes, after standing 30 minutes, supernatant water outlet was the underground water after softening.
Treated, and total Hardness of The Underground Water is down to 220mg/L, delivery turbidity 0.64NTU, pH 8.47.
Embodiment 2
Special agent for removing hardness ions in underground water, including weight ratio are 180：3 the first component, second group
Point.First group is divided into NaOH, and second group is divided into Al13With Polyacrylamide (mass ratio 50：1).
Wherein sodium hydroxide is food grade sodium hydroxide, and polyacrylamide is food grade polyacrylamide.
It is the underground water that 500mg/L, pH are 7.90 using above-mentioned chemicals treatment initial hardness, includes the following steps.
Underground water is pumped into sequencing batch reactor, reactor is added in the first component, dosage 180mg/L is started and stirred
Mixing device makes the first component and underground water be sufficiently mixed mixing.
The second component, dosage 3mg/L, 200r/min stirring 2 minutes, 40r/min stirrings is added in stirring after ten minutes
10 minutes, after standing 30 minutes, supernatant water outlet was the underground water after softening.
Treated, and total Hardness of The Underground Water is down to 70mg/L, delivery turbidity 0.54NTU, pH 8.75.
Embodiment 3
Special agent for removing hardness ions in underground water, including weight ratio be 120: 3 the first component, second group
Point.First group is divided into NaOH, and second group is divided into Al13With Polyacrylamide (mass ratio 80: 1).
Wherein sodium hydroxide is food grade sodium hydroxide, and polyacrylamide is food grade polyacrylamide.
It is the underground water that 250mg/L, pH are 7.90 using above-mentioned chemicals treatment initial hardness, includes the following steps.
Underground water is pumped into sequencing batch reactor, reactor is added in the first component, dosage 120mg/L is started and stirred
Mixing device makes the first component and underground water be sufficiently mixed mixing.
The second component, dosage 3mg/L, 200r/min stirring 2 minutes, 40r/min stirrings is added in stirring after ten minutes
10 minutes, after standing 30 minutes, supernatant water outlet was the underground water after softening.
Treated, and total Hardness of The Underground Water is down to 40mg/L, delivery turbidity 0.47NTU, pH 9.43.
Embodiment 4
Special agent for removing hardness ions in underground water, including weight ratio are 180：3 the first component, second group
Point.First group is divided into NaOH, and second group is divided into Al13With Polyacrylamide (mass ratio 20：1).
Wherein sodium hydroxide is food grade sodium hydroxide, and polyacrylamide is food grade polyacrylamide.
It is the underground water that 250mg/L, pH are 7.90 using above-mentioned chemicals treatment initial hardness, includes the following steps.
Underground water is pumped into sequencing batch reactor, reactor is added in the first component, dosage 180mg/L is started and stirred
Mixing device makes the first component and underground water be sufficiently mixed mixing.
The second component, dosage 3mg/L, 200r/min stirring 2 minutes, 40r/min stirrings is added in stirring after ten minutes
10 minutes, after standing 30 minutes, supernatant water outlet was the underground water after softening.
Treated, and total Hardness of The Underground Water is down to 30mg/L, delivery turbidity 0.45NTU, pH 9.82.
Water distribution and medicament cited by the present invention are not only limited to shown in above-described embodiment, and specific implementation method will basis
The case where different places different quality, determines the requirement using which kind of medicament and dosage and people to water quality and handles it
The purposes of water afterwards, for different water quality, this method can be used, and explanation is not listed one by one in specific implementation herein.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of drinking water softens composite drug, including the first component and the second component, wherein first component includes hydrogen-oxygen
Change sodium or sodium carbonate, second component includes flocculant and flocculation aid, and the flocculant is selected from prefabricated high-basicity and polymerize chlorine
Change aluminium, the flocculation aid is Polyacrylamide.
2. drinking water as described in claim 1 softens composite drug, which is characterized in that the sodium hydroxide or sodium carbonate are food
Grade sodium hydroxide or food-grade sodium carbonate.
3. drinking water as described in claim 1 softens composite drug, which is characterized in that the prefabricated high-basicity polyaluminium
Ala: Alb: Alc molar concentration percentage is (0.03-0.10): (0.80-0.95): (0.02-0.10) in aluminium.
4. drinking water as described in claim 1 softens composite drug, which is characterized in that the flocculation aid is food-grade ionic
Polyacrylamide, ion degree 5-10%, molecular weight are ten thousand Da of 1000-1200.
5. drinking water as described in claim 1 softens composite drug, which is characterized in that first component and the second component
Mass ratio is (30~90): 1.
6. drinking water as described in claim 1 softens composite drug, which is characterized in that aluminium polychloride in second component
Mass ratio with Polyacrylamide is (10: 1)~(100: 1).
7. a kind of application of any one of claim 1-6 drinking water softening composite drugs, including：The water is added in water
The first component for softening composite drug, stirs evenly, the second component is added after 5-15 minutes, stirs evenly, and is obtained after standing
Water after softening.
8. the use as claimed in claim 7, which is characterized in that a concentration of 120-180mg/L of first component in water,
A concentration of 2-4mg/L of second component in water.
9. the use as claimed in claim 7, which is characterized in that after the second component is added, stirred first in 150-250r/min
It 1-3 minutes, is then stirred 5-15 minutes in 30-50r/min.
10. the use as claimed in claim 7, which is characterized in that time of repose is 0.5-1 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061532.4A CN108585229A (en) | 2018-01-22 | 2018-01-22 | A kind of drinking water softening composite drug and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061532.4A CN108585229A (en) | 2018-01-22 | 2018-01-22 | A kind of drinking water softening composite drug and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108585229A true CN108585229A (en) | 2018-09-28 |
Family
ID=63608483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061532.4A Pending CN108585229A (en) | 2018-01-22 | 2018-01-22 | A kind of drinking water softening composite drug and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108585229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186919A (en) * | 2019-07-10 | 2020-05-22 | 宜兴市荣盛达环保有限公司 | Novel special compound reagent for high-hardness high-silicon industrial wastewater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003062818A1 (en) * | 2002-01-23 | 2003-07-31 | Lenzing Aktiengesellschaft | Method for the spectroscopic analysis of viscose constituents |
| CN101007646A (en) * | 2006-01-26 | 2007-08-01 | 中国科学院生态环境研究中心 | High purity nano polyaluminum sol industrialized preparation method and process |
| CN102603092A (en) * | 2011-01-20 | 2012-07-25 | 四川仁智石化科技有限责任公司 | Treating method for desalting high-salt-content waste water in oil and gas field |
| CN103359835A (en) * | 2013-08-05 | 2013-10-23 | 河海大学 | Special medicament for removing hardness ions in underground water and application thereof |
-
2018
- 2018-01-22 CN CN201810061532.4A patent/CN108585229A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003062818A1 (en) * | 2002-01-23 | 2003-07-31 | Lenzing Aktiengesellschaft | Method for the spectroscopic analysis of viscose constituents |
| CN101007646A (en) * | 2006-01-26 | 2007-08-01 | 中国科学院生态环境研究中心 | High purity nano polyaluminum sol industrialized preparation method and process |
| CN102603092A (en) * | 2011-01-20 | 2012-07-25 | 四川仁智石化科技有限责任公司 | Treating method for desalting high-salt-content waste water in oil and gas field |
| CN103359835A (en) * | 2013-08-05 | 2013-10-23 | 河海大学 | Special medicament for removing hardness ions in underground water and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186919A (en) * | 2019-07-10 | 2020-05-22 | 宜兴市荣盛达环保有限公司 | Novel special compound reagent for high-hardness high-silicon industrial wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102259965B (en) | Moringa oleifera water purifying agent | |
| CN102295335B (en) | Flocculating-agent composition | |
| Cui et al. | The effectiveness of coagulation for water reclamation from a wastewater treatment plant that has a long hydraulic and sludge retention times: A case study | |
| Abdo et al. | Cationic starch and polyaluminum chloride as coagulants for River Nile water treatment | |
| US11987513B2 (en) | Method for synergistic degradation treatment of polysaccharide-containing polymer wastewater by controllable—OH radical | |
| CN111892142A (en) | Silicon removal agent, silicon removal and hardness removal sewage treatment system and method | |
| CN212450783U (en) | Sewage treatment system for removing silicon and hardness | |
| WO2006056022A1 (en) | Water treatment process | |
| CN105036269A (en) | Multi-effect water treatment agent, preparation method thereof and water treatment method | |
| CN1385373A (en) | Coagulant for sewage treatment | |
| CN110745980A (en) | Shale gas fracturing flowback fluid pretreatment process and system | |
| CN213060470U (en) | Sulfuric acid process titanium dioxide effluent treatment plant | |
| CN104876315A (en) | Water treatment flocculant | |
| CN108585229A (en) | A kind of drinking water softening composite drug and its application | |
| CN108439750B (en) | Method for realizing recessive growth reduction of sludge and strengthening wastewater treatment by Fenton oxidation | |
| CN108529788B (en) | Purifying method and device for bromine extraction waste liquid | |
| WO2019119475A1 (en) | Method for enhancing coagulation in stages | |
| CN109775779A (en) | A kind of Water Treatment agent | |
| CN109368870B (en) | Method for treating RO concentrated water of printing and dyeing wastewater by Fenton technology | |
| CN109516537A (en) | Medicament, preparation method and the sewage water treatment method of fluoride in a kind of removal sewage | |
| CN1202022C (en) | Ecological safety composite type iron system high-effective flocculating agent | |
| CN104058489A (en) | Cellulose compound water-treatment flocculant and application method thereof | |
| CN109626638A (en) | A kind for the treatment of process of high P content waste water Zero-discharge reuse | |
| CN108178270A (en) | A kind of preparation method of binary compound type purifying agent | |
| CN108675466A (en) | A kind of preprocess method preventing fouling membrane in coal chemical industry recirculated water reuse |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |