CN103145229A - Ozone contact optimal dosing method in drinking water treatment and device thereof - Google Patents
Ozone contact optimal dosing method in drinking water treatment and device thereof Download PDFInfo
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- CN103145229A CN103145229A CN2013100773698A CN201310077369A CN103145229A CN 103145229 A CN103145229 A CN 103145229A CN 2013100773698 A CN2013100773698 A CN 2013100773698A CN 201310077369 A CN201310077369 A CN 201310077369A CN 103145229 A CN103145229 A CN 103145229A
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Abstract
The invention discloses an ozone contact optimal dosing method in a drinking water treatment and a device thereof. The optimal ozone dosing method is determined by changing the number of the dosing points and a dosing ratio of ozone, and investigating the effects of ozone concentration changes along the way, ozone mass transfer efficiency, CT (Captive Test) values and a pollutant removal rate. Researches show that when aeration is generated at three points, and the dosing ratio of the ozone is 3:3:1, the ozone mass transfer efficiency reaches 86.8%, the UV (Ultraviolet) 254 removal rate is 52.9%, the effluent ozone concentration is 0.39mg/L, after KBr (potassium bromide) is added, bromate has the lowest production amount, and is the optimal ozone dosing ratio. The ozone contact optimal dosing method in the drinking water treatment and the device thereof have the advantages of obviously improving the ozone mass transfer efficiency and the pollutant removal rate by optimizing the ozone dosing method, effectively controlling the production of the bromate without increasing the total ozone dosing quantity, having no impact on a subsequent biological activated carbon process, and having safety and economy.
Description
Technical field
The invention belongs to water-treatment technology field, relate in particular to that a kind of ozone contact tank ozone adds a number and ozone adds ratio by changing, improve method and the treatment unit of Ozone Gas Mass Transfer Efficiency and pollutants removal rate.
Background technology
There are three subject matters in the water resources of China: one, and the northern territory serious water shortage that the extreme imbalance of region water resource assignment causes; Two, water pollution is day by day serious; Three, water resource waste is serious.From 1 day July in 2007, new " drinking water sanitary standard " came into effect, and this standard has been strengthened the requirement to aspects such as water quality organism, microorganism and water disinfections, and Indicator for Drinking Water Quality increases to 106 by 35 of primary standard.New standard clear, Drinking Water must satisfy following three basic demands: guarantee epidemiology safety, namely require must not contain pathogenic micro-organism in Drinking Water, should prevent generation and the propagation of water-borne infection; In water, contained chemical substance and radioactive substance must not produce harm to HUMAN HEALTH, must not produce acute or chronic poisoning and potential late injury (carcinogenic, teratogenesis, mutagenesis); Drinking Water must guarantee that sensory properties is good, can be accepted by drinking person.
Ozone is as a kind of strong oxidizer, can with water in organic and mineral compound direct or indirect chemical reaction occurs, be widely used in water sterilization, smell flavor and the removal of colourity and the removal of organic pollutants.The solubleness of ozone in water is less, therefore needs special hybrid technology, makes ozone fully be contacted and react with water.Ozone contact tank refers to that by certain way, ozone being diffused into processes in water, also efficiently completes the device of anticipation reaction with the water comprehensive engagement.The structure of ozone contact tank comprises iris type, stirring-type and lateral flow type, and is wherein common with " iris type ".The principal element that affects ozone contact tank internal reaction efficient has, the geometrical shape of gas-water ratio, aeration head type and mounting means, gas-to-liquid contact mode (following current, adverse current or stirring) and ozone contact tank (structure, compartment quantity and Inlet and outlet water mode etc.).When hydraulic detention time (HRT) and aeration head type were determined, in contact tank, ozone dosing method can significantly improve Ozone Gas Mass Transfer Efficiency and pollutant removal by changing.
Summary of the invention
In order to address the above problem, the purpose of this invention is to provide a kind of method simple, ozone mass transfer and extinction efficiency are good, and pollutants removal rate is high, and the water outlet ozone concn meets ozone contact optimization addition method and the device thereof that follow-up BAC process requires.
on the one hand, the invention provides a kind of tandem ozone contact reaction device, comprise oxygenerator, ozonizer, also comprise tandem ozone contact reaction post, described tandem ozone contact reaction post is comprised of the reaction column of 4 grades of series connection, every order reaction post is stainless steel column, every order reaction post lower end is provided with aeration head, the top is provided with the tail gas drain, 4 thief holes also are set on every order reaction post, each thief hole be spaced apart 400mm, the bottom of I order reaction post is provided with following current water-in/adverse current water outlet, IV order reaction post top is provided with following current water outlet/adverse current water-in, the air outlet of described oxygenerator is connected with the inlet mouth of ozonizer, the air outlet of ozonizer is connected by aerating pipelines with the aeration head of every order reaction post lower end respectively, be provided with valve on described aerating pipelines, described tail gas drain all is connected with device for absorbing tail gas, described following current water-in/adverse current water outlet or following current water outlet/adverse current water-in connects former pond,
Further, described valve can be magnetic valve or any type of valve, when valve is selected magnetic valve, can control its aperture by corresponding PLC circuit, so that valve is controlled automatically;
Further, the high 2m of every order reaction post, internal diameter 100mm, described aeration head can be titanium filter core, aeration head diameter 30mm, long 50mm, aperture 0.2-100 μ m, porosity 28-60% can be micro porous aeration head as preferred aeration head;
Another aspect: the invention provides a kind of ozone contact optimization addition method that utilizes above-mentioned tandem ozone contact reaction device to carry out drinking water treatment, the method is carried out according to the following steps:
1) provide Yi Yuanshui;
2) provide above-mentioned tandem ozone contact reaction device;
3) oxygenerator supplies ozonizer in situ preparation ozone after producing oxygen, and the ozone concn of ozonizer preparation is demarcated, and then ozone is passed into described aerating pipelines, and total ozone dosage is 2mg/L;
4) described former water is imported described tandem ozone contact reaction device by following current water-in/adverse current water outlet or following current water outlet/adverse current water-in, controlling hydraulic detention time (HRT) is 12min;
5) opening valve on I level, II level, III order reaction post aerating pipelines, to make the ratio that adds into the ozone amount of above-mentioned reaction column be 3:3:1, closes the valve on IV order reaction post aerating pipelines, opens all tail gas drains;
6) measure water sample from described thief hole, measure wherein ozone concn, UV
254Or bromate concentration.
According to preferred feature, it is that the ozone of the ozonizer preparation form with bubbling is passed into the scrubbing bottle of the liquor kalii iodide that is equipped with 500mL1% from the bottom that ozone concn is demarcated, and after timing 5min, adds immediately the 5mL sulfuric acid acidation, shakes up rear standing 5min; Be titrated to fast solution with the 0.1mol/L sodium thiosulfate standard solution and be light yellow, add the starch solution of 1mL1%, it is blue that solution is, and continues to be titrated to blue the disappearance with sodium thiosulfate standard solution, writes down the hypo solution consumption;
According to preferred feature, measuring ozone concn in step 6) is to measure the 250mL water sample, pour in the 500mL absorption bottle, be equipped with the 10mL20% liquor kalii iodide in described absorption bottle, add immediately the 5mL sulphuric acid soln to shake up, standing 5min, with the titration of 0.0100mol/L sodium thiosulfate standard solution, the starch solution that adds 1mL1% when solution is light yellow, continuing to be titrated to color disappears, record the sodium thiosulfate standard solution consumption, calculate ozone concn, calculate Ozone Gas Mass Transfer Efficiency and CT value by ozone concn;
According to preferred feature, measure UV in step 6)
254Be with distilled water as reference, ultraviolet absorptivity under 254nm is carried out zero clearing, measure the 10mL water sample, after the contrasting colour ware cleans, measure immediately the ultraviolet absorptivity under its 254nm.
According to preferred feature, according to " drinking water standard detection method " (GB/T5750.10-2006), adopt bromate concentration in water with ion chromatography in step 6).
Above-mentioned steps particularly, ozone is in situ preparation, after FY5W type oxygenerator (Beijing North Star technology ﹠ development Co.) produces oxygen, by GQ-TG10S type ozonizer (Beijing is with woods ozonizer company limited) preparation ozone for.Oxygenerator is connected with silicone tube with ozonizer, guarantees that two equipment connection places do not have gas leakage.After switching on power, regulate the concentration adjustment knob of oxygenerator oxygen flow and ozonizer, after system run all right, ozone concn is demarcated, ozonize oxygen is passed into the liquor kalii iodide of 500mL1%, timing 5min from the scrubbing bottle bottom with the form of bubbling.Question response adds 5mL(1+5 after finishing immediately) sulfuric acid acidation, shake up rear standing 5min; Be titrated to fast solution with the 0.1mol/L sodium thiosulfate standard solution and be light yellow, add the starch solution of 1mL1%, it is blue that solution is, and continues carefully to be titrated to blue the disappearance with sodium thiosulfate standard solution, writes down the hypo solution consumption.
Thief hole along journey ozone concn method of calculation is:
In formula:
---ozone concn, mg/L;
A
Na---sodium thiosulfate standard solution consumption, mL;
V
0---volume of water sample, mL.
Can use DR5000 type ultraviolet/visible spectrophotometer (Hash company, the U.S.), adopt determined by ultraviolet spectrophotometry UV
254Use ICS-1000 type ion chromatograph (Dai An company, the U.S.), adopt bromate concentration (GB/T5750.10-2006) in water with ion chromatography.
Calculate the circular of Ozone Gas Mass Transfer Efficiency:
In formula: ρ
Advance-inlet mouth ozone mass concentration, mg/L;
Q
Advance-inlet mouth gas flow, L/min;
ρ
Go out-drain ozone mass concentration, mg/L;
Q
Go out-drain efflux gas flow, L/min.
2) by calculate the method for CT value along the journey ozone concn: according to sterilization kinetics, deactivation efficient depends on the CT value, represents the validity of sterilizing process, along the journey ozone concn and duration of contact product integration may be defined as the CT value, its method of calculation are:
In formula: C-ozone concn, mg/L;
The t-gas-liquid contact time, s.
The invention has the advantages that:
1) by optimizing the ozone addition method, can significantly improve Ozone Gas Mass Transfer Efficiency and pollutants removal rate;
2) present method need not increase the total dosage of ozone, can effectively control the generation of bromate, and is without impact, safe, economical on follow-up BAC process.
Description of drawings
Fig. 1 is tandem ozone contact reaction device.
Fig. 2 be single-point aeration gas-to-liquid contact mode to ozone along the journey concentration as influencing factor.
Fig. 3 is that 2 aerations add comparison ozone along the journey concentration as influencing factor.
Fig. 4 is that 3 aerations add comparison ozone along the journey concentration as influencing factor.
Fig. 5 is that 4 aerations add comparison ozone along the journey concentration as influencing factor.
In Fig. 1:
1. oxygenerator, 2. ozonizer, 3. following current water-in/adverse current water outlet, 4. following current water outlet/adverse current water-in, 5. titanium filter core aeration head, 6. reaction column, 7. thief hole, 8. tail gas drain, 9. device for absorbing tail gas.
In Fig. 2:
1. gas-liquid following current, 2. gas-liquid counter current.
In Fig. 3:
1.1:1，2.2:1，3.3:1，4.3:2，5.4:1。
In Fig. 4:
1.1:1:1，2.2:1:1，3.2:2:1，4.3:2:1，5.3:3:1。
In Fig. 5:
1.3:3:1:1，2.4:3:2:1，3.4:4:1:1。
Specific implementation method
Below in conjunction with Figure of description, technical scheme of the present invention is described further.
Embodiment 1:
1) adopt Water from Miyun Reservoir as former water;
2) as shown in Figure 1, tandem ozone contact reaction device comprises the reaction column 6 of 4 series connection, and reaction column is stainless steel column, the every high 2m of stainless steel column, internal diameter 100mm, water yield 65L; Titanium filter core aeration head 5 is established in the post lower end, aeration head diameter 30mm, long 50mm, aperture 0.2-100 μ m, porosity 28-60%; The top is provided with the tail gas drain; Every steel column is established 4 thief holes 7 so that sampling, interval 400mm, the bottom of I order reaction post is provided with following current water-in/adverse current water outlet 3, IV order reaction post top is provided with following current water outlet/adverse current water-in 4, the air outlet of oxygenerator is connected with the inlet mouth of ozonizer, the air outlet of ozonizer is connected by aerating pipelines with the aeration head of every order reaction post lower end respectively, be provided with the valve (not shown) on described aerating pipelines, described tail gas drain 8 all is connected with device for absorbing tail gas 9.
3) ozone is in situ preparation, after FY5W type oxygenerator (Beijing North Star technology ﹠ development Co.) produces oxygen, by GQ-TG10S type ozonizer (Beijing is with woods ozonizer company limited) preparation ozone for.Oxygenerator 1 is connected with ozonizer 2 use silicone tubes, guarantees that two equipment connection places do not have gas leakage.The ozone concn of ozonizer preparation is demarcated, then ozone is passed into described aerating pipelines, total ozone dosage is 2mg/L.
4) former water is imported described tandem ozone contact reaction device by following current water-in/adverse current water outlet or following current water outlet/adverse current water-in, controlling hydraulic detention time (HRT) is 12min, investigate gas-liquid following current or adverse current to the impact of ozone along journey concentration and mass-transfer efficiency, the results are shown in Figure 2.The gas-to-liquid contact initial stage under the single-point aeration condition, ozone concn raises gradually, and co-current flow and counter-current flow ozone maximum concentration is respectively 0.94mg/L and 0.96mg/L, after this, ozone concn reduces gradually along journey, and during water outlet, the co-current flow and counter-current flow ozone concn is respectively 0.40mg/L and 0.48mg/L.The Ozone Gas Mass Transfer Efficiency of gas-liquid co-current flow and counter-current flow is respectively 51.2% and 60.6%.
Embodiment 2:
Step 1)-3) with embodiment 1
4) former water is imported described tandem ozone contact reaction device by following current water-in/adverse current water outlet, drain is opened, I, II level aeration head are opened, all the other are closed, HRT12min, total ozone dosage 2mg/L selects 5 kinds of ozone to add ratio, be respectively 1:1,2:1,3:1,3:2 and 4:1, investigate and add comparison ozone along the impact (Fig. 3) of journey concentration and mass-transfer efficiency.Add than when the 3:2, vertex ozone concn value is maximum, is 1.06mg/L, water outlet ozone concn 0.71mg/L.Increase the Ozone Gas Mass Transfer Efficiency first increases and then decreases with I level ozone dosage; When I level ozone dosage was larger, ozone can't fully react with water at short notice, and drain place ozone quantity discharged is larger, and Ozone Gas Mass Transfer Efficiency reduces, and is unfavorable for organic matter removal in water.Add than when the 3:2, Ozone Gas Mass Transfer Efficiency is the highest, reaches 75.5%.
Embodiment 3:
Step 1)-3) with embodiment 1
4) former water is imported described tandem ozone contact reaction device by following current water-in/adverse current water outlet, drain is opened, and I, II, III level aeration head are opened, and the IV level is closed, HRT12min, total ozone dosage 2mg/L selects 5 kinds of ozone to add ratio, is respectively 1:1:1,3:2:1,2:2:1,3:3:1 and 2:1:1 add comparison ozone along the impact (Fig. 4) of journey concentration and mass-transfer efficiency by investigation.Above-mentioned ozone add than under, Ozone Gas Mass Transfer Efficiency is respectively 82.0%, 78.8%, 76.9%, 86.8% and 82.4%.Ozone adds than ozone when the 3:3:1 and goes out water concentration 0.39mg/L, and this goes out water concentration and can not exert an influence to follow-up activated carbon process.
Embodiment 4:
Step 1)-3) with embodiment 1
4) former water is imported described tandem ozone contact reaction device by following current water-in/adverse current water outlet, drain is opened, the level Four aeration head is all opened, HRT12min, total ozone dosage 2mg/L, add than being 3:3:1:1,4:3:2:1 and 4:4:1:1 investigate and add comparison ozone along the impact of journey concentration and mass-transfer efficiency, and result as shown in Figure 5, above-mentioned 3 kinds add than under, Ozone Gas Mass Transfer Efficiency is respectively 81.4%, 80.4% and 73.9%.Ozone adds than when the 3:3:1:1, and the ozone maximum concentration is 1.08mg/L, goes out water concentration 1.07mg/L, Ozone Gas Mass Transfer Efficiency 81.4%; Add than when the 4:4:1:1, the ozone maximum concentration is 0.82mg/L, goes out water concentration 0.79mg/L, Ozone Gas Mass Transfer Efficiency 73.9%.4 aeration Ozone Gas Mass Transfer Efficiencies are low than 3 aerations, and the water outlet ozone concn is larger, are unfavorable for the subsequent technique operation.
Ozone for above embodiment 1-4 adds ratio, Ozone Gas Mass Transfer Efficiency, water outlet ozone concn and UV254 clearance see Table 1, result shows, 3 aerations, ozone add and can obtain best mass-transfer efficiency 86.8% and UV254 clearance 52.9% and minimum water outlet ozone concn 0.39mg/L than for 3:3:1 the time.
Embodiment 5:
Step 1)-4) with embodiment 3
By thief hole measure along the journey ozone concn, according to formula
In formula: C-ozone concn, mg/L; The t-gas-liquid contact time, s.Investigation adds the impact of comparison CT value: as shown in table 2, add when being 3:3:1, and former water CT value is the highest, and CT value utilization ratio the highest (60.1%), is conducive to the operation of ozone contact tank.
Embodiment 6:
In step 1), add KBr in the former water of Water from Miyun Reservoir, make into water Br
-Concentration 200 μ g/L
Step 2)-4) with embodiment 3
When investigating 3 aerations, ozone adds comparison BrO3
-The impact (table 3) of growing amount.Ozone adds than when the 3:3:1, BrO3
-Concentration is minimum, is 36.4 μ g/L.To sum up, optimum ozone adds than being 3:3:1.
Table 1 adds the impact of comparison Ozone Gas Mass Transfer Efficiency, water outlet ozone concn and UV254 clearance
Table 2 adds the impact of comparison CT value
Table 3 adds the impact of comparison bromate growing amount
At last, it is also to be noted that above what enumerate is only concrete enforcement of the present invention.Obviously the present invention does not limit above example, and many distortion can also be arranged.Protection scope of the present invention is all thought in all distortion that those skilled in the art can associate from the present invention.
Claims (8)
1. tandem ozone contact reaction device, comprise oxygenerator, ozonizer, it is characterized in that, also comprise tandem ozone contact reaction post, described tandem ozone contact reaction post is comprised of the reaction column of 4 grades of series connection, every order reaction post is stainless steel column, every order reaction post lower end is provided with aeration head, the top is provided with the tail gas drain, 4 thief holes also are set on every order reaction post, each thief hole be spaced apart 400mm, the bottom of I order reaction post is provided with following current water-in/adverse current water outlet, IV order reaction post top is provided with following current water outlet/adverse current water-in, the air outlet of described oxygenerator is connected with the inlet mouth of ozonizer, the air outlet of ozonizer is connected by aerating pipelines with the aeration head of every order reaction post lower end respectively, be provided with valve on described aerating pipelines, described tail gas drain all is connected with device for absorbing tail gas, described following current water-in/adverse current water outlet or following current water outlet/adverse current water-in connects former pond.
2. tandem ozone contact reaction device as claimed in claim 1, described valve is magnetic valve, controls its aperture by the PLC circuit.
3. tandem ozone contact reaction device as claimed in claim 1, the high 2m of described every order reaction post, internal diameter 100mm, described aeration head are titanium filter core, aeration head diameter 30mm, long 50mm, aperture 0.2-100 μ m, porosity 28-60%.
4. in drinking water treatment, ozone contact is optimized addition method, it is characterized in that, the method is carried out according to the following steps:
1) provide Yi Yuanshui;
2) provide as tandem ozone contact reaction device as described in claim 1 or 2 or 3;
3) oxygenerator supplies ozonizer in situ preparation ozone after producing oxygen, and the ozone concn of ozonizer preparation is demarcated, and then ozone is passed into described aerating pipelines, and total ozone dosage is 2mg/L;
4) described former water is imported described tandem ozone contact reaction device by following current water-in/adverse current water outlet or following current water outlet/adverse current water-in, controlling hydraulic detention time (HRT) is 12min;
5) opening valve on I level, II level, III order reaction post aerating pipelines, to make the ratio that adds into the ozone amount of above-mentioned reaction column be 3:3:1, closes the valve on IV order reaction post aerating pipelines, opens all tail gas drains;
6) measure water sample from described thief hole, measure wherein ozone concn, UV
254Or bromate concentration.
5. in drinking water treatment as claimed in claim 4, ozone contact is optimized addition method, it is characterized in that, described ozone concn is demarcated is that the ozone of the ozonizer preparation form with bubbling is passed into the scrubbing bottle of the liquor kalii iodide that is equipped with 500mL1% from the bottom, after timing 5min, add immediately the 5mL sulfuric acid acidation, shake up rear standing 5min; Be titrated to fast solution with the 0.1mol/L sodium thiosulfate standard solution and be light yellow, add the starch solution of 1mL1%, it is blue that solution is, and continues to be titrated to blue the disappearance with sodium thiosulfate standard solution, writes down the hypo solution consumption.
6. in drinking water treatment as claimed in claim 4, ozone contact is optimized addition method, it is characterized in that, measuring ozone concn in step 6) is to measure the 250mL water sample, pour in the 500mL absorption bottle, be equipped with the 10mL20% liquor kalii iodide in described absorption bottle, add immediately the 5mL sulphuric acid soln to shake up, standing 5min, with the titration of 0.0100mol/L sodium thiosulfate standard solution, the starch solution that adds 1mL1% when solution is light yellow, continuing to be titrated to color disappears, record the sodium thiosulfate standard solution consumption, calculate ozone concn, calculate Ozone Gas Mass Transfer Efficiency by ozone concn.
7. in drinking water treatment as claimed in claim 4, ozone contact is optimized addition method, it is characterized in that, measuring UV254 in step 6) is as reference with distilled water, ultraviolet absorptivity under 254nm is carried out zero clearing, measure the 10mL water sample, after the contrasting colour ware cleans, measure immediately the ultraviolet absorptivity under its 254nm.
8. in drinking water treatment as claimed in claim 4, ozone contact is optimized addition method, it is characterized in that, according to " drinking water standard detection method " (GB/T5750.10-2006), adopts bromate concentration in water with ion chromatography in step 6).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467041A (en) * | 2016-01-28 | 2016-04-06 | 吴江华衍水务有限公司 | Improved measuring method for total organic bromide in water |
| CN106596837A (en) * | 2016-11-01 | 2017-04-26 | 中海油天津化工研究设计院有限公司 | Test method for evaluating reaction proportion of nascent state oxygen during determination of ozone in water with iodometric method |
| CN111392852A (en) * | 2020-04-24 | 2020-07-10 | 华能国际电力股份有限公司 | Feedforward-feedback cooperative control ozone accurate dosing system and method |
| CN111704232A (en) * | 2020-05-28 | 2020-09-25 | 天津捷强动力装备股份有限公司 | Ozone disinfection method and equipment for water |
| CN114920340A (en) * | 2022-06-22 | 2022-08-19 | 深圳市康基恒业科技有限公司 | Ozone disinfection control method and system for large-scale pipeline direct drinking water system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001773A (en) * | 2010-12-17 | 2011-04-06 | 黑龙江大学 | Water treatment method combining ozone catalytic oxidation with ultra-filtration membrane |
| CN102276050A (en) * | 2011-05-30 | 2011-12-14 | 广东省微生物研究所 | Device for controlling ozonization byproduct bromate in packaged drinking water |
-
2013
- 2013-03-12 CN CN2013100773698A patent/CN103145229A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001773A (en) * | 2010-12-17 | 2011-04-06 | 黑龙江大学 | Water treatment method combining ozone catalytic oxidation with ultra-filtration membrane |
| CN102276050A (en) * | 2011-05-30 | 2011-12-14 | 广东省微生物研究所 | Device for controlling ozonization byproduct bromate in packaged drinking water |
Non-Patent Citations (1)
| Title |
|---|
| 李继: "臭氧投加方式对溴酸盐生成量的影响", 《中国给水排水》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467041A (en) * | 2016-01-28 | 2016-04-06 | 吴江华衍水务有限公司 | Improved measuring method for total organic bromide in water |
| CN106596837A (en) * | 2016-11-01 | 2017-04-26 | 中海油天津化工研究设计院有限公司 | Test method for evaluating reaction proportion of nascent state oxygen during determination of ozone in water with iodometric method |
| CN106596837B (en) * | 2016-11-01 | 2019-03-26 | 中海油天津化工研究设计院有限公司 | The test method of nascent oxygen reaction ratio when assessing ozone in water iodometric determination |
| CN111392852A (en) * | 2020-04-24 | 2020-07-10 | 华能国际电力股份有限公司 | Feedforward-feedback cooperative control ozone accurate dosing system and method |
| CN111392852B (en) * | 2020-04-24 | 2023-12-19 | 华能国际电力股份有限公司 | Feedforward-feedback cooperative control ozone accurate feeding system and method |
| CN111704232A (en) * | 2020-05-28 | 2020-09-25 | 天津捷强动力装备股份有限公司 | Ozone disinfection method and equipment for water |
| CN111704232B (en) * | 2020-05-28 | 2023-09-12 | 天津捷强动力装备股份有限公司 | Ozone disinfection method and equipment for water |
| CN114920340A (en) * | 2022-06-22 | 2022-08-19 | 深圳市康基恒业科技有限公司 | Ozone disinfection control method and system for large-scale pipeline direct drinking water system |
| CN114920340B (en) * | 2022-06-22 | 2023-02-07 | 深圳市康基恒业科技有限公司 | Ozone disinfection control method and system for large-scale pipeline direct drinking water system |
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Application publication date: 20130612 |