CN204111472U - A kind of branch inlet type Fenton reagent oxidizing treater - Google Patents

A kind of branch inlet type Fenton reagent oxidizing treater Download PDF

Info

Publication number
CN204111472U
CN204111472U CN201420569710.1U CN201420569710U CN204111472U CN 204111472 U CN204111472 U CN 204111472U CN 201420569710 U CN201420569710 U CN 201420569710U CN 204111472 U CN204111472 U CN 204111472U
Authority
CN
China
Prior art keywords
pipeline
tank
value regulating
regulating tank
vessel
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.)
Expired - Fee Related
Application number
CN201420569710.1U
Other languages
Chinese (zh)
Inventor
王灿
潮保亭
方帅
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.)
Tianjin University
Original Assignee
Tianjin University
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 Tianjin University filed Critical Tianjin University
Priority to CN201420569710.1U priority Critical patent/CN204111472U/en
Application granted granted Critical
Publication of CN204111472U publication Critical patent/CN204111472U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of branch inlet type Fenton reagent oxidizing treater, comprise storage of waste water tank, first pH value regulating tank, fluidized column, second pH value regulating tank, settling tank, storage of waste water tank is connected with the first pH value regulating tank pipeline, first pH value regulating tank is connected with sulfuric acid hold-up vessel pipeline, and the first pH value regulating tank is connected with fluidized column pipeline; Copperas solution hold-up vessel is connected with fluidized column pipeline; Hydrogen peroxide hold-up vessel is connected with fluidized column pipeline; Fluidized column is connected with the second pH value regulating tank pipeline, and alkali storage tank is connected with the second pH value regulating tank pipeline, and polyacrylamide solution hold-up vessel is connected with the second pH value regulating tank pipeline; Storage of waste water tank and the second pH value regulate pipeline tank to be connected; Second pH value regulating tank is connected with settling tank pipeline.The basicity in untreated effluent is utilized to go to replace the H in NaOH and in water +, decrease NaOH medicament usage quantity, and improve the utilization ratio of iron mud.

Description

A kind of branch inlet type Fenton reagent oxidizing treater
Technical field
The utility model belongs to field of water pollution control, more particularly, relates to the apparatus and method of branch inlet type Fenton reagent oxidation style advanced treatment paper-making effluent, the Fe that can effectively utilize Fenton reagent to produce 3+, reduce NaOH usage quantity, there is features such as increasing the process water yield simultaneously.
Background technology
Paper-making effluent, because having the features such as Pollutant levels are high, biodegradability is poor, causes serious threat to ecotope.Current pulp and paper effluent treatment adopts " materialization-anaerobic-aerobic " mode, still also has large number of biological to be difficult to the organism of degrading, can not reach " pulp and paper industry water pollutions emission standard " (GB3544-2008) prescribed limits in water outlet.For this situation, be necessary to carry out deep treatment to paper-making effluent.The method that the advanced treatment of paper-making effluent mainly adopts has: coagulating sedimentation, high-level oxidation technology and membrane separation process etc.
Coagulant sedimentation is a kind of physico-chemical process of high-efficient simple, can remove most of turbidity and colourity in water, but removes limited to hard-degraded substance, and processing costs is higher.Fenton reagent oxidation style is a kind of conventional high-level oxidation technology, and it utilizes Fe 2+and H 2o 2the OH that reaction produces strong oxidizing property comes oxidative degradation organism or reducing inorganic pollutent.At present, traditional Fenton reagent oxidation technology adopts mostly " acidifying-oxidation-readjustment pH-precipitates " technical process, repeatedly adjust ph, add process structures and soda acid medicament expense use, and the Fe that oxidising process produces 3+utilization ratio is not high.Therefore, Fenton reagent oxidizing process that is high-effect, low cost is developed significant for this technology of popularization.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, to solve in existing traditional F enton reagent oxidation technology adjust ph, Fe repeatedly 3+the shortcomings such as utilization ratio is not high, provide a kind of Fenton reagent oxidizing process and device of high-effect, low cost.
Technical purpose of the present utility model is achieved by following technical proposals:
A kind of branch inlet type Fenton reagent oxidizing treater, comprises storage of waste water tank, the first pH value regulating tank, fluidized column, the second pH value regulating tank, settling tank, wherein:
Described storage of waste water tank is connected with the first pH value regulating tank pipeline, and on pipeline, arrange the second pump;
Described first pH value regulating tank is connected with sulfuric acid hold-up vessel pipeline, and in the first pH value regulating tank, arrange the first online pH detector and the first whipping appts;
Described first pH value regulating tank is connected with fluidized column pipeline, and on pipeline, arrange the 3rd pump; Copperas solution hold-up vessel is connected with fluidized column pipeline, and on pipeline, arrange the 4th pump; Hydrogen peroxide hold-up vessel is connected with fluidized column pipeline, and on pipeline, arrange the 5th pump; Described fluidized column is connected with the second pH value regulating tank pipeline, and alkali storage tank is connected with the second pH value regulating tank pipeline, and polyacrylamide solution hold-up vessel is connected with the second pH value regulating tank pipeline; Storage of waste water tank and the second pH value regulate pipeline tank to be connected, and on pipeline, arrange the first pump, and in the second pH value regulating tank, arrange the second online pH detector and the second whipping appts; Described second pH value regulating tank is connected with settling tank pipeline.
In technique scheme, the top of settling tank is provided with water shoot, the bottom of settling tank is provided with shore pipe.
In technique scheme, described first pH value regulating tank, copperas solution hold-up vessel are connected with the bottom of fluidized column respectively with hydrogen peroxide hold-up vessel, and described second pH value regulating tank is connected with the top of fluidized column.
In technique scheme, the pH value of solution in the first on-line pH value detector on-line checkingi first pH value regulating tank, and in conjunction with sulfuric acid in situation control sulfuric acid hold-up vessel to the flow of the first pH value regulating tank.
In technique scheme, the pH value of solution in the second on-line pH value detector on-line checkingi second pH value regulating tank, and in conjunction with alkali lye in situation control alkali storage tank to the flow of the second pH value regulating tank.
The utility model branch inlet type Fenton reagent oxidation style advanced treatment paper-making effluent, adds sulfuric acid adjust ph, adds FeSO in paper-making effluent 4solution and H 2o 2solution, after oxidizing reaction terminates, add a certain proportion of untreated effluent, the mixing of NaOH and PAM solution stirring, then carrying out the waste water of sedimentation through settling tank can qualified discharge.
Compared with the technique of traditional F enton reagent oxidation method advanced treatment paper-making effluent, the utility model has the advantage of: need after traditional F enton reagent oxidation organism to add NaOH adjust ph from 4 to 6-7, make Fe 3+form Fe (OH) 3precipitation.The water inlet pH value of paper-making effluent advanced treatment process is 7-8, the utility model is mixed by the waste water after untreated effluent is oxidized with Fenton reagent, utilize the basicity in untreated effluent to go to replace the H+ in NaOH and in water, decrease NaOH medicament usage quantity.And insoluble solution colloid in untreated effluent and lyophobic dust are at Fe (OH) 3removed in precipitation process, improve the utilization ratio of iron mud.The utility model technique adds the process water yield, reduces process unit water yield energy consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, wherein 1 is storage of waste water tank, and 2 is first pumps, and 3 is sulfuric acid hold-up vessels, 4 is second pumps, 5 is first whipping apptss, and 6 is first online pH detectors, and 7 is first pH value regulating tanks, 8 is copperas solution hold-up vessels, 9 is the 3rd pumps, and 10 is the 4th pumps, and 11 is fluidized columns, 12 is the 5th pumps, 13 is hydrogen peroxide hold-up vessels, and 14 is alkali storage tanks, and 15 is second whipping apptss, 16 is second pH value regulating tanks, 17 is polyacrylamide solution hold-up vessels, and 18 is second online pH detectors, and 19 is settling tanks; A is the first water inlet pipe, B sulfuric acid chemical feed pipe, and C is the first rising pipe, and D is ferrous sulfate chemical feed pipe, E is hydrogen peroxide chemical feed pipe, and F is the 3rd rising pipe, and G is alkali lye chemical feed pipe, and H is the second water inlet pipe, I is PAM chemical feed pipe, and J is the 4th rising pipe, and K is shore pipe, and L is the 5th rising pipe.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with embodiment.
As shown in Figure 1, the structural representation of the utility model branch inlet type Fenton reagent oxidizing treater, wherein 1 is storage of waste water tank, 2 is first pumps, 3 is sulfuric acid hold-up vessels, 4 is second pumps, 5 is first whipping apptss, 6 is first online pH detectors, 7 is first pH value regulating tanks, 8 is copperas solution hold-up vessels, 9 is the 3rd pumps, 10 is the 4th pumps, 11 is fluidized columns, 12 is the 5th pumps, 13 is hydrogen peroxide hold-up vessels, 14 is alkali storage tanks, 15 is second whipping apptss, 16 is second pH value regulating tanks, 17 is polyacrylamide solution hold-up vessels, 18 is second online pH detectors, 19 is settling tanks, A is the first water inlet pipe, B sulfuric acid chemical feed pipe, and C is the first rising pipe, and D is ferrous sulfate chemical feed pipe, E is hydrogen peroxide chemical feed pipe, and F is the 3rd rising pipe, and G is alkali lye chemical feed pipe, and H is the second water inlet pipe, I is PAM chemical feed pipe, and J is the 4th rising pipe, and K is shore pipe, and L is the 5th rising pipe.
Branch inlet type Fenton reagent oxidizing treater, comprises storage of waste water tank, the first pH value regulating tank, fluidized column, the second pH value regulating tank, settling tank, wherein:
Described storage of waste water tank is connected with the first pH value regulating tank pipeline, and on pipeline, arrange the second pump;
Described first pH value regulating tank is connected with sulfuric acid hold-up vessel pipeline, and in the first pH value regulating tank, arrange the first online pH detector and the first whipping appts;
Described first pH value regulating tank is connected with fluidized column pipeline, and on pipeline, arrange the 3rd pump; Copperas solution hold-up vessel is connected with fluidized column pipeline, and on pipeline, arrange the 4th pump; Hydrogen peroxide hold-up vessel is connected with fluidized column pipeline, and on pipeline, arrange the 5th pump; Described fluidized column is connected with the second pH value regulating tank pipeline, and alkali storage tank is connected with the second pH value regulating tank pipeline, and polyacrylamide solution hold-up vessel is connected with the second pH value regulating tank pipeline; Storage of waste water tank and the second pH value regulate pipeline tank to be connected, and on pipeline, arrange the first pump, and in the second pH value regulating tank, arrange the second online pH detector and the second whipping appts; Described second pH value regulating tank is connected with settling tank pipeline.
In technique scheme, the top of settling tank is provided with water shoot, the bottom of settling tank is provided with shore pipe.
In technique scheme, described first pH value regulating tank, copperas solution hold-up vessel are connected with the bottom of fluidized column respectively with hydrogen peroxide hold-up vessel, and described second pH value regulating tank is connected with the top of fluidized column.
In technique scheme, the pH value of solution in the first on-line pH value detector on-line checkingi first pH value regulating tank, and in conjunction with sulfuric acid in situation control sulfuric acid hold-up vessel to the flow of the first pH value regulating tank.
In technique scheme, the pH value of solution in the second on-line pH value detector on-line checkingi second pH value regulating tank, and in conjunction with alkali lye in situation control alkali storage tank to the flow of the second pH value regulating tank.
With the secondary clarifier effluent of certain pulp and paper making for experimental water, its COD crfor 100-150mg/L, pH are 7-8, the advanced treatment process carrying out paper-making effluent is as follows:
By regulating the second pump, enter the first pH value regulating tank to make wastewater flow for 10L/h; Regulate the first pump, enter the second pH value regulating tank to make wastewater flow for 3L/h;
By regulating in sulfuric acid hold-up vessel, sulfuric acid is to the add-on in the first pH value regulating tank, and to make the first pH value regulating tank pH value for 4, the hydraulic detention time of waste water is 20min;
The hydraulic detention time of fluidized column is 60min, stores ferrous sulfate aqueous solution, wherein FeSO in copperas solution hold-up vessel 47H 2the mass percent of O is 2wt%, and in fluidized column, add-on is waste water 5LFeSO per ton 47H 2the aqueous solution of O; Store hydrogen peroxide in hydrogen peroxide hold-up vessel, the mass percent of hydrogen peroxide is 30wt%, and in fluidized column, add-on is waste water 0.2L hydrogen peroxide per ton;
By alkali lye in adjustment alkali storage tank to the add-on in the second pH value regulating tank, to make in the second pH value regulating tank pH value for 8, hydraulic detention time is 30min, wherein the aqueous solution of choice for use sodium hydroxide carries out pH value adjustment, in alkali storage tank, the mass percent of aqueous sodium hydroxide solution is 10wt%;
Store PAM (polyacrylamide) aqueous solution in polyacrylamide solution hold-up vessel, the massfraction of polyacrylamide solution is 1wt ‰, and in the second pH value regulating tank, add-on is waste water 1L per ton;
In the second pH value regulating tank untreated effluent be oxidized with Fenton reagent after waste water mix, both volume ratios are 0.3:1.
After oxidizing reaction terminates, pH value 2.9 after mensuration mixing, after use alkali lye adjust ph and input polyacrylamide solution stir, gets supernatant liquor and measures COD, result 32mg/L, meet emission request.
Compared with traditional technology, the utility model technique, when dosing is identical, takes full advantage of the Fe in waste water after the basicity of waste water and Fenton oxidation 3+, the waste water of energy multiprocessing 30% under same consumption energy.
Above exemplary description is done to the utility model; should be noted that; when not departing from core of the present utility model, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection domain of the present utility model.

Claims (3)

1. a branch inlet type Fenton reagent oxidizing treater, is characterized in that, comprises storage of waste water tank, the first pH value regulating tank, fluidized column, the second pH value regulating tank, settling tank, wherein:
Described storage of waste water tank is connected with the first pH value regulating tank pipeline, and on pipeline, arrange the second pump;
Described first pH value regulating tank is connected with sulfuric acid hold-up vessel pipeline, and in the first pH value regulating tank, arrange the first online pH detector and the first whipping appts;
Described first pH value regulating tank is connected with fluidized column pipeline, and on pipeline, arrange the 3rd pump; Copperas solution hold-up vessel is connected with fluidized column pipeline, and on pipeline, arrange the 4th pump; Hydrogen peroxide hold-up vessel is connected with fluidized column pipeline, and on pipeline, arrange the 5th pump; Described fluidized column is connected with the second pH value regulating tank pipeline, and alkali storage tank is connected with the second pH value regulating tank pipeline, and polyacrylamide solution hold-up vessel is connected with the second pH value regulating tank pipeline; Storage of waste water tank and the second pH value regulate pipeline tank to be connected, and on pipeline, arrange the first pump, and in the second pH value regulating tank, arrange the second online pH detector and the second whipping appts; Described second pH value regulating tank is connected with settling tank pipeline.
2. a kind of branch inlet type Fenton reagent oxidizing treater according to claim 1, is characterized in that, the top of settling tank is provided with water shoot, the bottom of settling tank is provided with shore pipe.
3. a kind of branch inlet type Fenton reagent oxidizing treater according to claim 1, it is characterized in that, described first pH value regulating tank, copperas solution hold-up vessel are connected with the bottom of fluidized column respectively with hydrogen peroxide hold-up vessel, and described second pH value regulating tank is connected with the top of fluidized column.
CN201420569710.1U 2014-09-29 2014-09-29 A kind of branch inlet type Fenton reagent oxidizing treater Expired - Fee Related CN204111472U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420569710.1U CN204111472U (en) 2014-09-29 2014-09-29 A kind of branch inlet type Fenton reagent oxidizing treater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420569710.1U CN204111472U (en) 2014-09-29 2014-09-29 A kind of branch inlet type Fenton reagent oxidizing treater

Publications (1)

Publication Number Publication Date
CN204111472U true CN204111472U (en) 2015-01-21

Family

ID=52328806

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420569710.1U Expired - Fee Related CN204111472U (en) 2014-09-29 2014-09-29 A kind of branch inlet type Fenton reagent oxidizing treater

Country Status (1)

Country Link
CN (1) CN204111472U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104261589A (en) * 2014-09-29 2015-01-07 天津大学 Separated-point inflow type Fenton reagent oxidation treatment device and method for treating wastewater
CN106277061A (en) * 2016-08-03 2017-01-04 清华大学 A kind of fluidisation pillar Uranous oxide gel ball ageing, washing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104261589A (en) * 2014-09-29 2015-01-07 天津大学 Separated-point inflow type Fenton reagent oxidation treatment device and method for treating wastewater
CN106277061A (en) * 2016-08-03 2017-01-04 清华大学 A kind of fluidisation pillar Uranous oxide gel ball ageing, washing system
CN106277061B (en) * 2016-08-03 2017-10-17 清华大学 One kind fluidisation pillar uranium dioxide gel ball ageing, washing system

Similar Documents

Publication Publication Date Title
CN103771625B (en) Device and method for treating pulping wastewater by Fenton catalytic oxidation method
CN103224308B (en) Ferrous ion reduction and catalytic oxidation cooperation for reinforcing waste water biological treatment technology
CN103641230B (en) Method for carrying out organic wastewater pretreatment by using an iron-carbon-Fenton-integrated reactor
CN104261589A (en) Separated-point inflow type Fenton reagent oxidation treatment device and method for treating wastewater
CN102659290A (en) Method for advanced treatment of high-concentration chemi-mechanical pulp effluent by catalytic oxidation
CN105347624A (en) Integrated treatment method of p-(beta-sulfatoethylsulfonyl)aniline production wastewater
CN105540949A (en) Deep preprocessing method for crushed coal pressurized gasification industrial wastewater
CN102718353A (en) System of and method for advanced treatment of refractory industrial wastewater
CN208762301U (en) A kind of depth removes the device of cyanide in coking wastewater
CN103626323B (en) The processing method of a kind of pharmacy, paper waste advanced treatment and special purpose device
CN204111472U (en) A kind of branch inlet type Fenton reagent oxidizing treater
CN204529549U (en) A kind of acid fracturing Waste Water Treatment
CN101973659A (en) Device and method for refining waste water by treating vitamin B12 by means of co-use of micro-electrolysis and physicochemical method
CN208869412U (en) The processing system of chromate waste water
CN202482156U (en) Advanced oxidation and air-flotation treatment combined reverse osmosis concentrated water system
CN203295291U (en) Catalytic micro-electrolysis water treatment equipment
CN105347549A (en) Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology
CN203346204U (en) Circulating cooling two-stage clarification and softening system for waste water
CN203307147U (en) Fluidized bed reactor for advanced treatment of pulping and papermaking wastewater by Fenton method
CN203229442U (en) Water-based ink wastewater treatment device
CN203715410U (en) Device for treating pulping wastewater via Fenton catalytic oxidation method
CN204079712U (en) A kind of sludge ozone oxidant deweighting device
CN103304076A (en) Catalytic micro-electrolysis water treatment equipment and process method thereof
CN204211568U (en) The Fenton treatment unit of waste water
CN105036282A (en) Sewage treatment agent and usage method therefor

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

Termination date: 20150929

EXPY Termination of patent right or utility model