CN106186466A - A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation - Google Patents
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation Download PDFInfo
- Publication number
- CN106186466A CN106186466A CN201610867541.3A CN201610867541A CN106186466A CN 106186466 A CN106186466 A CN 106186466A CN 201610867541 A CN201610867541 A CN 201610867541A CN 106186466 A CN106186466 A CN 106186466A
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- China
- Prior art keywords
- waste water
- aluminium oxide
- dividing plate
- sodium chloride
- butterfly valve
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Present invention relates particularly to a kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation, belong to high slat-containing wastewater processing technology field, comprise the steps that waste water is first extracted from high slat-containing wastewater case by a. with waste water pump, with defecator, waste water is carried out preliminary treatment the most again, c. the waste water after preliminary treatment is sent to a point salt device and divides salt to Waste water concentrating, d. the waste water after undue salt device is respectively fed to electrochemistry processing equipment for recycling process, fresh water is obtained after recycling unit processes, salinity is converted into acid, alkali, acid, alkali reuse again carries out pickling and alkali cleaning to aluminium oxide wash mill, realize recycling economy.The present invention carries out high efficient resourcing process to high slat-containing wastewater, the fresh water reuse after process, and the hydrochloric acid that produces and alkali liquor recycle respectively after processing, and whole processing procedure reaches the purpose of zero-emission.
Description
Technical field
Present invention relates particularly to a kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation, belong to high saliferous
Technical field of waste water processing.
Background technology
High-salt wastewater refers to the waste water of total saliferous mass fraction at least 1%. it is essentially from chemical plant, pharmaceutical factory etc. have one
Plant the high slat-containing wastewater produced in aluminum oxide production process, if it directly discharged, it will environmental pollution；If reclaimed,
Technical difficulty is very big, does not also have the sodium chloride waste water Zero-discharge treating process that the aluminium oxide of molding produces in prior art.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, it is provided that a kind of sodium chloride producing aluminium oxide generation gives up
Water zero discharge processes technique, high slat-containing wastewater is carried out resource and efficiently processes, the fresh water reuse after process, and will produce after processing
Raw hydrochloric acid and alkali liquor recycle respectively, and whole processing procedure reaches the purpose of zero-emission, can effectively solve background
Problem in technology.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
The present invention provides a kind of and produces the sodium chloride waste water Zero-discharge treating process that aluminium oxide produces, and comprises the steps a.
First being extracted by waste water from high slat-containing wastewater case with waste water pump, b. carries out preliminary treatment, c. with defecator to waste water again
Waste water after preliminary treatment being sent to point salt device condensing crystallizing further to waste water and divides salt, d. will be after undue salt device
Waste water send into recycling unit and process, after recycling unit processes, obtain fresh water, acid, alkali, fresh water, acid, alkali are respectively
Reuse is to production technology, and in described step d., processing equipment for recycling can export hydrochloric acid and alkali liquor, described hydrochloric acid recoverable
In aluminium oxide acid elution, described alkali liquor recoverable is in aluminium oxide neutralizing treatment.
As a preferred technical solution of the present invention, described defecator includes electric butterfly valve, band pressure transducer pressure
Power table, flow transducer, butterfly valve, gutter and Microfiltration Unit, described conduit are connected with electric butterfly valve by flow transducer, institute
State the electric butterfly valve other end to be connected with gutter by conduit, and be provided with butterfly in the centre that described electric butterfly valve is connected with gutter
Valve, described electric butterfly valve is connected with band pressure transducer Pressure gauge by conduit, and described band pressure transducer Pressure gauge is by leading
Pipe is connected with Microfiltration Unit, and is provided with electronic butterfly on the conduit that described band pressure transducer Pressure gauge connects with Microfiltration Unit
Valve.
As a preferred technical solution of the present invention, inside described Microfiltration Unit, it is provided with micron order filtrate, and described micro-
Filter unit is provided with several and parallel connection each other.
As a preferred technical solution of the present invention, described band pressure transducer Pressure gauge is provided with two.
As a preferred technical solution of the present invention, described recycling unit includes a PE plate, a described PE plate
And the first pad, minus plate, between the first perforate dividing plate and the first Bipolar Membrane, constitute cathode chamber, the first Bipolar Membrane and dividing plate and
First anode membrane constitutes alkali liquor room, and the first anode membrane, dividing plate and the first cavity block constitute salt liquid chamber, the first cavity block, dividing plate, the second Bipolar Membrane
Constitute acid room；Second Bipolar Membrane constitutes alkali liquor room with dividing plate and the second anode membrane, and the second anode membrane, dividing plate and the second cavity block constitute saline solution
Room, the second cavity block, dividing plate the 3rd Bipolar Membrane constitute acid room；... ... the (n+1)th Bipolar Membrane, the second perforate dividing plate, positive plate, second
Pad and the 2nd PE plate constitute anode chamber.Wherein the first Bipolar Membrane and dividing plate and the first anode membrane constitute alkali liquor room, the first anode membrane, every
Plate and the first cavity block constitute salt liquid chamber, the first cavity block, dividing plate, the second Bipolar Membrane constitute acid room to be monolithically fabricated an electrolysis single
Unit, and recycling unit of the present invention comprises n (n is more than or equal to 2) individual electrolysis cells.
As a preferred technical solution of the present invention, described pad, dividing plate and end plate are made up of insulant.
The present invention is reached to provide the benefit that: the present invention carries out high efficient resourcing process to high saliferous sodium chloride waste water,
Water circulation after simultaneously processing, and the hydrochloric acid that produce and alkali liquor recycle respectively after processing, whole processing procedure reaches
Purpose to zero-emission.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the reality of the present invention
Execute example together for explaining the present invention, be not intended that limitation of the present invention.
In the accompanying drawings:
Fig. 1 is a kind of sodium chloride waste water Zero-discharge treating process work producing aluminium oxide generation described in the embodiment of the present invention
Process flow figure；
Fig. 2 is a kind of filter apparatus configuration schematic diagram described in the embodiment of the present invention；
Fig. 3 is the recycling unit overall structure schematic diagram described in the embodiment of the present invention
Label in figure: 1, electric butterfly valve；2, band pressure transducer Pressure gauge；3, flow transducer；4, butterfly valve；5, draining
Ditch；6, Microfiltration Unit；7, a PE plate；8, the first pad；9, minus plate；10, the first perforate dividing plate；11, the first Bipolar Membrane；
12, dividing plate；13, the first anode membrane；14, the first cavity block；15, the second Bipolar Membrane；16, the second anode membrane；17, the second cavity block；18, the 3rd
Bipolar Membrane；19, the (n+1)th Bipolar Membrane；20, the second perforate dividing plate；21, positive plate；22, the second pad；23, the 2nd PE plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred reality described herein
Execute example be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment: refer to Fig. 1, the present invention is a kind of produces the sodium chloride waste water Zero-discharge treating process that aluminium oxide produces,
Comprising the steps that waste water is first extracted from high slat-containing wastewater case by a. with waste water pump, waste water is entered by b. again with defecator
Row preliminary treatment, the waste water after preliminary treatment is sent to point salt device condensing crystallizing further to waste water and divides salt by c., and d. will be through
Waste water after undue salt device is sent into recycling unit and is processed, after recycling unit processes the most exportable obtain light
Water, in described step d., processing equipment for recycling also can export hydrochloric acid and alkali liquor, and described hydrochloric acid recoverable is in oxidation aluminic acid
Washing, described alkali liquor recoverable is in aluminium oxide neutralizing treatment.
Refer to Fig. 2, described defecator include electric butterfly valve 1, band pressure transducer Pressure gauge 2, flow transducer 3,
Butterfly valve 4, gutter 5 and Microfiltration Unit 6, described conduit are connected with electric butterfly valve 1 by flow transducer 3, described electric butterfly valve 1
The other end is connected with gutter 5 by conduit, and is provided with butterfly valve 4, institute in the centre that described electric butterfly valve 1 is connected with gutter 5
Stating electric butterfly valve 1 to be connected with band pressure transducer Pressure gauge 2 by conduit, described band pressure transducer Pressure gauge 2 passes through conduit
It is connected with Microfiltration Unit 6, and is provided with electronic butterfly on the conduit that described band pressure transducer Pressure gauge 2 connects with Microfiltration Unit 6
Valve 1.
Be provided with micron order filtrate inside described Microfiltration Unit, and described Microfiltration Unit 6 be provided with several and the most also
Connection.
Described band pressure transducer Pressure gauge 2 is provided with two.
Referring to Fig. 3, described recycling unit includes a PE plate, described PE plate 7 and the first pad 8, a minus plate
9, cathode chamber is constituted between the first perforate dividing plate 10 and the first Bipolar Membrane 11, the first Bipolar Membrane 11 and dividing plate 12 and the first anode membrane
13 constitute alkali liquor room, and the first anode membrane 13, dividing plate 12 and the first cavity block 14 constitute salt liquid chamber, 12, second pair, the first cavity block 14, dividing plate
Pole film 15 constitutes acid room；Second Bipolar Membrane 15 and dividing plate 12 and the second anode membrane 16 constitute alkali liquor room, the second anode membrane 16, dividing plate 12 and
Second cavity block 17 constitutes salt liquid chamber, and the second cavity block 17, dividing plate 12 the 3rd Bipolar Membrane 18 constitute acid room；... ... the (n+1)th Bipolar Membrane
19, the second perforate dividing plate 20, positive plate the 21, second pad 22 and the 2nd PE plate 23 constitute anode chamber.Wherein, the first Bipolar Membrane with
Dividing plate and the first anode membrane constitute alkali liquor room, and the first anode membrane, dividing plate and the first cavity block constitute salt liquid chamber, the first cavity block, dividing plate, second
What Bipolar Membrane constituted acid room has been monolithically fabricated an electrolysis cells, and recycling unit of the present invention comprises n, and (n is more than
In 2) individual electrolysis cells.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (7)
1. one kind produces the sodium chloride waste water Zero-discharge treating process that aluminium oxide produces, it is characterised in that: comprise the steps a.
First being extracted by waste water from high slat-containing wastewater case with waste water pump, b.. carries out preliminary treatment, c. with defecator to waste water again
Waste water after preliminary treatment being sent to point salt device to Waste water concentrating, point salt, the waste water after undue salt device is sent by d.
Entering recycling unit to process, obtain fresh water, acid, alkali after recycling unit processes, the reuse respectively of fresh water, acid, alkali is to raw
Production. art.
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation the most according to claim 1, its feature
Being, processing equipment for recycling output hydrochloric acid and alkali liquor in described step d., described hydrochloric acid recoverable is in aluminium oxide pickling
Washing, described alkali liquor recoverable is in aluminium oxide neutralizing treatment.
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation the most according to claim 1, its feature
Being, described defecator includes electric butterfly valve, band pressure transducer Pressure gauge, flow transducer, butterfly valve, gutter and microfiltration
Unit, described conduit are connected with electric butterfly valve by flow transducer, and the described electric butterfly valve other end passes through conduit and gutter
Connecting, and be provided with butterfly valve in the centre that described electric butterfly valve is connected with gutter, described electric butterfly valve is by conduit and band pressure
Cell pressure table connects, and described band pressure transducer Pressure gauge is connected with Microfiltration Unit by conduit, and at described band pressure
The conduit that cell pressure table connects with Microfiltration Unit is provided with electric butterfly valve.
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation the most according to claim 3, its feature
It is, inside described Microfiltration Unit, is provided with micron order filtrate, and described Microfiltration Unit is provided with several and parallel connection each other.
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation the most according to claim 3, its feature
Being, described band pressure transducer Pressure gauge is provided with two.
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation the most according to claim 1, its feature
Being, described recycling unit includes a PE plate, it is characterised in that a described PE plate and the first pad, minus plate, first
Constituting cathode chamber between perforate dividing plate and the first Bipolar Membrane, the first Bipolar Membrane constitutes alkali liquor room with dividing plate and the first anode membrane, the
One anode membrane, dividing plate and the first cavity block constitute salt liquid chamber, and the first cavity block, dividing plate, the second Bipolar Membrane constitute acid room；Second Bipolar Membrane with
Dividing plate and the second anode membrane constitute alkali liquor room, and the second anode membrane, dividing plate and the second cavity block constitute salt liquid chamber, the second cavity block, dividing plate the 3rd
Bipolar Membrane constitutes acid room；... ... the (n+1)th Bipolar Membrane, the second perforate dividing plate, positive plate, the second pad and the 2nd PE plate constitute sun
Room, pole.
A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation the most according to claim 6, its feature
Being, described pad, dividing plate and end plate are made up of insulant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867541.3A CN106186466A (en) | 2016-09-30 | 2016-09-30 | A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867541.3A CN106186466A (en) | 2016-09-30 | 2016-09-30 | A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation |
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| Publication Number | Publication Date |
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| CN106186466A true CN106186466A (en) | 2016-12-07 |
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| CN201610867541.3A Pending CN106186466A (en) | 2016-09-30 | 2016-09-30 | A kind of sodium chloride waste water Zero-discharge treating process producing aluminium oxide generation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892519A (en) * | 2017-04-28 | 2017-06-27 | 淄博格瑞水处理工程有限公司 | Mixed bed regenerates high-salinity wastewater zero-emission processing unit |
| CN110129820A (en) * | 2019-06-25 | 2019-08-16 | 山东瑞克环境科技有限公司 | Calcium hypochlorite, calcium chlorate, Calcium perchlorate preparation facilities and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892519A (en) * | 2017-04-28 | 2017-06-27 | 淄博格瑞水处理工程有限公司 | Mixed bed regenerates high-salinity wastewater zero-emission processing unit |
| CN110129820A (en) * | 2019-06-25 | 2019-08-16 | 山东瑞克环境科技有限公司 | Calcium hypochlorite, calcium chlorate, Calcium perchlorate preparation facilities and method |
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Application publication date: 20161207 |
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