CN108358345A - A kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen - Google Patents
A kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen Download PDFInfo
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- CN108358345A CN108358345A CN201810228291.8A CN201810228291A CN108358345A CN 108358345 A CN108358345 A CN 108358345A CN 201810228291 A CN201810228291 A CN 201810228291A CN 108358345 A CN108358345 A CN 108358345A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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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
- 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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Abstract
The invention discloses the techniques that a kind of two-stage oxidation handles the industrial wastewater containing cyanogen, include the following steps：S1, cyanide wastewater is transported to regulating reservoir carry out with adjusting handle；S2, it the middle layer waste water in regulating reservoir is transported to by conveyance conduit in level-one flocculation basin carries out a flocculation treatment；S3, by level-one flocculation basin, treated that waste water is transported to by conveyance conduit in two level flocculation basin carries out secondary flocculation treatment；S4, by two level flocculation basin, treated that waste water is transported to by conveyance conduit in sedimentation basin carries out precipitation process.The water delivery impurity-eliminating effect of the invention regulating reservoir is preferable, more abundant to the pre-processing of cyanide wastewater, preferable to the treatment effect of cyanogen substance, and treatment effeciency is higher and convenient to the PH environmental Kuznets Curves needed for handling.
Description
Technical field
Invention is related to the technical field of technique for treating industrial wastewater containing cyanogen, and specially a kind of two-stage oxidation handles Industry Waste containing cyanogen
The technique of water.
Background technology
Cyanide is extremely toxic substance, and cyanide can generate hydrogen cyanide, cellular respiration is made to be caused by paralysis in vivo
Death by suffocation.Hydrogen cyanide, hydrogen cyanide molecular structure be formic acid nitrile.Nitrile is generally called organic cyanide.The primary mouth of common people
Taking 0.1 gram or so of Cymag (potassium) will be lethal.CN- has prodigious toxicity to fish, for example crucian minimum lethal dose is 0.2
(ppm), the World Health Organization provides that the poisoning limitation of fish is free cyanogen 0.03mg/l.The micro cyaniding of generally existing in natural environment
Object, essentially from fertilizer and organic matter.But the cyanide of high concentration carrys out self-contained cyanogen trade effluent, mainly there is electroplating sewerage, cyaniding
Carry gold, the gas washing wastewater and cooling water of coke oven and blast furnace, some chemical engineering sewages and ore dressing sewage, synthetic rubber, fiber and
Industry such as dyestuff etc., concentration can be in 1-180mg/l or more.The life of health and livestock, fish to the mankind is all a kind of tight
The threat of weight.Although being handled waste water with many methods, the cyanide wastewater of most plant emissions is marked still above discharge
It is accurate；Although the emission compliance having, processing cost are too high.For this purpose, people always search for, easy to operate, at low cost, effect is good
Treatment of cyanogen-contained wastewater.
The technique of the current industrial wastewater containing cyanogen, there are the water delivery impurity-eliminating effect of regulating reservoir is poor, before cyanide wastewater
Phase processing is insufficient, poor to the treatment effect of cyanogen substance, and treatment effeciency is relatively low and inconvenient to the PH environmental Kuznets Curves needed for handling
Prompt problem.
Invention content
Invention is designed to provide a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen, to solve above-mentioned background skill
The technique that the current industrial wastewater containing cyanogen is proposed in art, there are the water delivery effect of regulating reservoir is poor, at the early period of cyanide wastewater
Manage it is insufficient, it is poor to the treatment effect of cyanogen substance, treatment effeciency it is relatively low and to handle needed for PH environmental Kuznets Curves it is inconvenient
Problem.
To achieve the above object, invention provides the following technical solutions：A kind of work of two-stage oxidation processing industrial wastewater containing cyanogen
Skill includes the following steps：
S1, cyanide wastewater is transported to regulating reservoir progress with adjusting processing, two grids is set, and dischargeable capacity is set as
2-4h is averaged wastewater flow rate, and degreasing unit is arranged and removes settler, two grids of batch process and except in settler
Impurity；
S2, it the middle layer waste water in regulating reservoir is transported to by conveyance conduit in level-one flocculation basin carries out at primary flocculation
Reason adds alkali by the material feeding bucket on conveyance conduit therein to the waste water of conveying, starts the hydraulic mixing dress in level-one flocculation basin
It sets and waste water is stirred, and lateral dominance carries out stair oxidation processing, institute with charging device to waste water oxidizer when the stirring of side
It is sodium hypochlorite, bleaching powder and bleaching powder to state oxidant, and wherein the dosage of sodium hypochlorite, bleaching powder and bleaching powder is according to cyanogen
The weight ratio of ion and Active Chlorine is determined as 1：3-1:4；
S3, by level-one flocculation basin, treated that waste water is transported to by conveyance conduit in two level flocculation basin carries out secondary flocculation
Processing, the hydraulic agitation device started in two level flocculation basin are stirred waste water, and lateral dominance charging device when the stirring of side
It is condensed processing to waste water plus flocculating agent and carries out secondary oxidative treatments with oxidant, the dosage of flocculating agent therein is total waste water
/ 10th of amount, oxidant therein are liquid chlorine, and the wherein dosage of liquid chlorine is determined according to the weight ratio of cryanide ion and Active Chlorine
It is 1:7-1:8；
S4, by two level flocculation basin, treated that waste water is transported to by conveyance conduit in sedimentation basin carries out precipitation process,
In sedimentation basin upper layer waste water be transported in filter tank by conveyance conduit and be filtered processing, the waste water of sedimentation basin bottom passes through
Conveyance conduit is transported in sludge dehydration device and is carried out dehydrating, and after processing, carries out the recycling processing to sludge.
Preferably, the level-one flocculation basin is folded plate flocculator, and the folded plate flocculator includes first segment flocculation zone, second
Section flocculation zone and third section flocculation zone, the first segment flocculation zone use common folded plate, the second segment flocculation zone to use same wave
Folded plate, the third section flocculation zone use parallel straight panel.
Preferably, when the stair oxidation processing carried out in the level-one flocculation basin, the pH value of waste water is controlled in 10-11, instead
It is 10-15min between seasonable, when the secondary oxidative treatments carried out in the two level flocculation basin, the pH value of waste water is controlled in 6.5-
7.0, reaction time 10-15min.
Preferably, the waste water after precipitation process, a part of direct emission therein, another part are carried out in the sedimentation basin
Be transported in regulating reservoir again through conveyance conduit carry out to regulating reservoir, level-one flocculation basin, two level flocculation basin, sedimentation basin and
The flush discharge in filter tank is handled.
Preferably, the sedimentation basin is connected with the flushing pipe rinsed for sedimentation basin.
Compared with prior art, advantageous effect of the invention is：
1, the technique of two-stage oxidation processing industrial wastewater containing cyanogen is effectively held by the way that two grids are arranged in regulating reservoir
Product is set as 2-4h and be averaged wastewater flow rate, and degreasing unit is arranged and removes settler, two grids of batch process and except precipitating
Impurity in device so that the water delivery impurity-eliminating effect of regulating reservoir is preferable.
2, the technique of two-stage oxidation processing industrial wastewater containing cyanogen, is carried out by being arranged in level-one flocculation basin at primary flocculation
Reason adds alkali by the material feeding bucket on conveyance conduit therein to the waste water of conveying, starts the hydraulic mixing dress in level-one flocculation basin
It sets and waste water is stirred, and lateral dominance carries out stair oxidation processing with charging device to waste water oxidizer when the stirring of side, makes
It obtains and the pre-processing of cyanide wastewater is taught fully.
3, the technique of two-stage oxidation processing industrial wastewater containing cyanogen is carried out by the way that level-one flocculation basin and two level flocculation basin is arranged
First and second flocculation treatment, and waste water is stirred in the hydraulic agitation device started in level-one flocculation basin, and side is stirred
Shi Bianli carries out stair oxidation processing with charging device to waste water oxidizer, and is stirred in the waterpower started in two level flocculation basin
It mixes device to be stirred waste water, and lateral dominance adds flocculating agent to be condensed processing and oxygen with charging device to waste water when the stirring of side
Agent carries out secondary oxidative treatments so that preferable to the treatment effect of cyanogen substance.
4, the technique of two-stage oxidation processing industrial wastewater containing cyanogen, stair oxidation processing therein, the oxidant used are
The dosage of sodium hypochlorite, bleaching powder and bleaching powder, wherein sodium hypochlorite, bleaching powder and bleaching powder is according to cryanide ion and activity
The weight ratio of chlorine is determined as 1：3-1:4, and secondary oxidative treatments therein, the dosage using flocculating agent are the ten of total wastewater flow rate
/ mono-, oxidant therein is liquid chlorine, and the wherein dosage of liquid chlorine is determined as 1 according to the weight ratio of cryanide ion and Active Chlorine:7-
1:8 so that convenient to the PH environmental Kuznets Curves needed for handling.
5, the technique of two-stage oxidation processing industrial wastewater containing cyanogen starts the hydraulic agitation device in level-one flocculation basin to useless
Water is stirred, and lateral dominance carries out stair oxidation processing with charging device to waste water oxidizer when the stirring of side, and is started
Hydraulic agitation device in two level flocculation basin is stirred waste water, and side stir when lateral dominance charging device add to waste water it is solidifying
Poly- agent is condensed processing and carries out secondary oxidative treatments with oxidant, can effectively improve treatment effeciency.
Description of the drawings
Fig. 1 is a kind of flow diagram for the technique that two-stage oxidation handles the industrial wastewater containing cyanogen.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, invention provides a kind of technical solution：A kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen, packet
Include following steps：
S1, cyanide wastewater is transported to regulating reservoir progress with adjusting processing, two grids is set, and dischargeable capacity is set as
2-4h is averaged wastewater flow rate, and degreasing unit is arranged and removes settler, two grids of batch process and except in settler
Impurity；
S2, it the middle layer waste water in regulating reservoir is transported to by conveyance conduit in level-one flocculation basin carries out at primary flocculation
Reason adds alkali by the material feeding bucket on conveyance conduit therein to the waste water of conveying, starts the hydraulic mixing dress in level-one flocculation basin
It sets and waste water is stirred, and lateral dominance carries out stair oxidation processing, institute with charging device to waste water oxidizer when the stirring of side
It is sodium hypochlorite, bleaching powder and bleaching powder to state oxidant, and wherein the dosage of sodium hypochlorite, bleaching powder and bleaching powder is according to cyanogen
The weight ratio of ion and Active Chlorine is determined as 1：3-1:4；
S3, by level-one flocculation basin, treated that waste water is transported to by conveyance conduit in two level flocculation basin carries out secondary flocculation
Processing, the hydraulic agitation device started in two level flocculation basin are stirred waste water, and lateral dominance charging device when the stirring of side
It is condensed processing to waste water plus flocculating agent and carries out secondary oxidative treatments with oxidant, the dosage of flocculating agent therein is total waste water
/ 10th of amount, oxidant therein are liquid chlorine, and the wherein dosage of liquid chlorine is determined according to the weight ratio of cryanide ion and Active Chlorine
It is 1:7-1:8；
S4, by two level flocculation basin, treated that waste water is transported to by conveyance conduit in sedimentation basin carries out precipitation process,
In sedimentation basin upper layer waste water be transported in filter tank by conveyance conduit and be filtered processing, the waste water of sedimentation basin bottom passes through
Conveyance conduit is transported in sludge dehydration device and is carried out dehydrating, and after processing, carries out the recycling processing to sludge.
The level-one flocculation basin is folded plate flocculator, and the folded plate flocculator includes first segment flocculation zone, second segment flocculation
Area and third section flocculation zone, the first segment flocculation zone use common folded plate, the second segment flocculation zone to use with setback plate, institute
It states third section flocculation zone and uses parallel straight panel.
When the stair oxidation processing carried out in the level-one flocculation basin, the pH value of waste water is controlled in 10-11, and the reaction time is
10-15min, when the secondary oxidative treatments carried out in the two level flocculation basin, the pH value of waste water is controlled in 6.5-7.0, reaction
Between be 10-15min.
The waste water after precipitation process, a part of direct emission therein are carried out in the sedimentation basin, another part leads to again
It crosses conveyance conduit and is transported to and carried out in regulating reservoir to regulating reservoir, level-one flocculation basin, two level flocculation basin, sedimentation basin and filter tank
Flush discharge processing.
The sedimentation basin is connected with the flushing pipe rinsed for sedimentation basin.
Technological effect：The two-stage oxidation handles the technique of the industrial wastewater containing cyanogen, by the way that two grids are arranged in regulating reservoir,
Dischargeable capacity is set as 2-4h and is averaged wastewater flow rate, and degreasing unit is arranged and removes settler, two grids of batch process and
Except the impurity in settler so that the water delivery impurity-eliminating effect of regulating reservoir is preferable.The two-stage oxidation handles the industrial wastewater containing cyanogen
Technique carries out a flocculation treatment by being arranged in level-one flocculation basin, by the material feeding bucket on conveyance conduit therein, to conveying
Waste water add alkali, the hydraulic agitation device started in level-one flocculation basin is stirred waste water, and lateral dominance throwing when side is stirred
Expect that device carries out stair oxidation processing to waste water oxidizer so that teach the pre-processing of cyanide wastewater abundant.The two-stage oxygen
The technique for changing processing industrial wastewater containing cyanogen carries out first and second flocculation treatment by the way that level-one flocculation basin and two level flocculation basin is arranged, and
And waste water is stirred in the hydraulic agitation device started in level-one flocculation basin, and lateral dominance is given with charging device when the stirring of side
Waste water oxidizer carries out stair oxidation processing, and is stirred waste water in the hydraulic agitation device started in two level flocculation basin
It mixes, and lateral dominance adds flocculating agent to be condensed processing and oxidant to carry out at secondary oxidation with charging device to waste water when side is stirred
Reason so that preferable to the treatment effect of cyanogen substance.The two-stage oxidation handles the technique of the industrial wastewater containing cyanogen, stair oxidation therein
Processing, the oxidant used are sodium hypochlorite, bleaching powder and bleaching powder, wherein sodium hypochlorite, bleaching powder and bleaching powder
Dosage is determined as 1 according to the weight ratio of cryanide ion and Active Chlorine：3-1:4, and secondary oxidative treatments therein, use flocculating agent
Dosage be total wastewater flow rate 1/10th, oxidant therein be liquid chlorine, wherein the dosage of liquid chlorine according to cryanide ion with activity
The weight ratio of chlorine is determined as 1:7-1:8 so that convenient to the PH environmental Kuznets Curves needed for handling.Two-stage oxidation processing is containing cyanogen industry
The technique of waste water, the hydraulic agitation device started in level-one flocculation basin are stirred waste water, and lateral dominance is thrown when the stirring of side
Material device gives waste water oxidizer to carry out the hydraulic agitation device in stair oxidation processing, and startup two level flocculation basin to waste water
It is stirred, and lateral dominance adds flocculating agent to be condensed processing and oxidant to carry out two level with charging device to waste water when side is stirred
Oxidation processes can effectively improve treatment effeciency.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen, it is characterised in that：Include the following steps：
S1, cyanide wastewater is transported to regulating reservoir progress with adjusting processing, two grids is set, and dischargeable capacity is set as 2-4h
Average wastewater flow rate, and degreasing unit is set and removes settler, two grids of batch process and except the impurity in settler；
S2, it the middle layer waste water in regulating reservoir is transported to by conveyance conduit in level-one flocculation basin carries out a flocculation treatment,
By the material feeding bucket on conveyance conduit therein, adds alkali to the waste water of conveying, start the hydraulic agitation device in level-one flocculation basin
Waste water is stirred, and lateral dominance carries out stair oxidation processing with charging device to waste water oxidizer when the stirring of side, it is described
Oxidant be sodium hypochlorite, bleaching powder and bleaching powder, wherein the dosage of sodium hypochlorite, bleaching powder and bleaching powder according to cyanogen from
Son and the weight ratio of Active Chlorine are determined as 1：3-1:4；
S3, by level-one flocculation basin, treated that waste water is transported to by conveyance conduit in two level flocculation basin carries out at secondary flocculation
Reason, the hydraulic agitation device started in two level flocculation basin are stirred waste water, and lateral dominance is given with charging device when the stirring of side
Waste water adds flocculating agent to be condensed processing and oxidant progress secondary oxidative treatments, and the dosage of flocculating agent therein is total wastewater flow rate
1/10th, oxidant therein is liquid chlorine, and the wherein dosage of liquid chlorine is determined as according to the weight ratio of cryanide ion and Active Chlorine
1:7-1:8；
S4, by two level flocculation basin, treated that waste water is transported to by conveyance conduit in sedimentation basin carries out precipitation process, therein
Sedimentation basin upper layer waste water, which is transported to by conveyance conduit in filter tank, is filtered processing, and the waste water of sedimentation basin bottom passes through conveying
Pipeline is transported in sludge dehydration device and is carried out dehydrating, and after processing, carries out the recycling processing to sludge.
2. a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen as described in claim 1, it is characterised in that：The level-one
Flocculation basin is folded plate flocculator, and the folded plate flocculator includes first segment flocculation zone, second segment flocculation zone and third section flocculation zone,
The first segment flocculation zone uses common folded plate, the second segment flocculation zone to use with setback plate, and the third section flocculation zone is adopted
With parallel straight panel.
3. a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen as described in claim 1, it is characterised in that：The level-one
When the stair oxidation processing carried out in flocculation basin, the pH value of waste water is controlled in 10-11, reaction time 10-15min, described two
When the secondary oxidative treatments carried out in grade flocculation basin, the pH value of waste water is controlled in 6.5-7.0, reaction time 10-15min.
4. a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen as described in claim 1, it is characterised in that：The precipitation
The waste water after precipitation process, a part of direct emission therein are carried out in pond, another part is conveyed again through conveyance conduit
It is carried out in regulating reservoir to the processing of regulating reservoir, level-one flocculation basin, two level flocculation basin, sedimentation basin and the flush discharge in filter tank.
5. a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen as described in claim 1, it is characterised in that：The precipitation
Pond is connected with the flushing pipe rinsed for sedimentation basin.
6. a kind of technique of two-stage oxidation processing industrial wastewater containing cyanogen as described in claim 1, it is characterised in that：By adjusting
It saving and two grids is set in pond, dischargeable capacity is set as 2-4h and is averaged wastewater flow rate, and degreasing unit is arranged and except settler,
Two grids of batch process and except the impurity in settler so that the water delivery impurity-eliminating effect of regulating reservoir is preferable；The two-stage oxidation
The technique for handling the industrial wastewater containing cyanogen carries out a flocculation treatment by being arranged in level-one flocculation basin, passes through delivery pipe therein
Material feeding bucket on road adds alkali to the waste water of conveying, and the hydraulic agitation device started in level-one flocculation basin is stirred waste water, and
And lateral dominance carries out stair oxidation processing with charging device to waste water oxidizer when the stirring of side so that at the early period of cyanide wastewater
Reason religion is abundant.The two-stage oxidation handles the technique of the industrial wastewater containing cyanogen, is carried out by the way that level-one flocculation basin and two level flocculation basin is arranged
First and second flocculation treatment, and waste water is stirred in the hydraulic agitation device started in level-one flocculation basin, and side is stirred
Shi Bianli carries out stair oxidation processing with charging device to waste water oxidizer, and is stirred in the waterpower started in two level flocculation basin
It mixes device to be stirred waste water, and lateral dominance adds flocculating agent to be condensed processing and oxygen with charging device to waste water when the stirring of side
Agent carries out secondary oxidative treatments so that preferable to the treatment effect of cyanogen substance.The two-stage oxidation handles the industrial wastewater containing cyanogen
Technique, stair oxidation therein processing, the oxidant used are sodium hypochlorite, bleaching powder and bleaching powder, wherein sodium hypochlorite,
The dosage of bleaching powder and bleaching powder is determined as 1 according to the weight ratio of cryanide ion and Active Chlorine：3-1:4, and two level therein
Oxidation processes, the dosage using flocculating agent are 1/10th of total wastewater flow rate, and oxidant therein is liquid chlorine, the wherein use of liquid chlorine
Amount is determined as 1 according to the weight ratio of cryanide ion and Active Chlorine:7-1:8 so that convenient to the PH environmental Kuznets Curves needed for handling.This two
The technique of grade oxidation processes industrial wastewater containing cyanogen, the hydraulic agitation device started in level-one flocculation basin are stirred waste water, and
And lateral dominance carries out stair oxidation processing with charging device to waste water oxidizer when the stirring of side, and start in two level flocculation basin
Hydraulic agitation device is stirred waste water, and lateral dominance adds flocculating agent to be condensed place with charging device to waste water when the stirring of side
Reason carries out secondary oxidative treatments with oxidant, can effectively improve treatment effeciency.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816536A (en) * | 2021-11-22 | 2021-12-21 | 大唐环境产业集团股份有限公司 | Catalyst flue gas washing wastewater resourceful treatment method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186405A (en) * | 2007-12-04 | 2008-05-28 | 甘晓明 | Closed circulation processing technique for cyanide-containing waste water |
| CN202988886U (en) * | 2013-01-05 | 2013-06-12 | 浙江永峰环保工程科技有限公司 | Cyanide-containing wastewater treatment system |
| CN103848516A (en) * | 2012-11-30 | 2014-06-11 | 中国航空工业标准件制造有限责任公司 | Chemical treatment method of cyanogen-containing electroplating wastewater |
| CN105174566A (en) * | 2015-10-30 | 2015-12-23 | 太仓东能环保设备有限公司 | Cyanogen-containing electroplating wastewater treatment process |
-
2018
- 2018-03-20 CN CN201810228291.8A patent/CN108358345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186405A (en) * | 2007-12-04 | 2008-05-28 | 甘晓明 | Closed circulation processing technique for cyanide-containing waste water |
| CN103848516A (en) * | 2012-11-30 | 2014-06-11 | 中国航空工业标准件制造有限责任公司 | Chemical treatment method of cyanogen-containing electroplating wastewater |
| CN202988886U (en) * | 2013-01-05 | 2013-06-12 | 浙江永峰环保工程科技有限公司 | Cyanide-containing wastewater treatment system |
| CN105174566A (en) * | 2015-10-30 | 2015-12-23 | 太仓东能环保设备有限公司 | Cyanogen-containing electroplating wastewater treatment process |
Non-Patent Citations (2)
| Title |
|---|
| 全国勘察设计注册工程师环保专业管理委员会，中国环境保护产业协会: "《注册环保工程师专业考试复习教材 水污染防治工程技术与实践 上 第4版》", 31 March 2017 * |
| 宋永辉，兰新哲，何辉: "《提金氰化废水处理理论与方法》", 31 March 2015, 冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816536A (en) * | 2021-11-22 | 2021-12-21 | 大唐环境产业集团股份有限公司 | Catalyst flue gas washing wastewater resourceful treatment method and system |
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