CN108928981A - A kind of environment-friendly treating process of industrial wastewater - Google Patents
A kind of environment-friendly treating process of industrial wastewater Download PDFInfo
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- CN108928981A CN108928981A CN201810760125.2A CN201810760125A CN108928981A CN 108928981 A CN108928981 A CN 108928981A CN 201810760125 A CN201810760125 A CN 201810760125A CN 108928981 A CN108928981 A CN 108928981A
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a kind of environment-friendly treating process of industrial wastewater, the environment-friendly treating process of industrial wastewater includes preliminary insoluble impurities removal-secondary floatation removal of impurities-flocculating setting treatment process: the environment-friendly treating process of industrial wastewater of the present invention, traditional industry waste water treatment process is reformed, the waste water of collection screens out coarse grain and insoluble impurities in the way of physics removal of impurities after adjusting pH, secondary flotation removal of impurities is conducive to tiny suspended particulate rapid subsidence in industrial wastewater, improve industrial waste water purifying effect, during flocculation sedimentation, using under slight alkali environment in waste water metal ion and organic pollutant carry out removing impurity by means of precipitation, it can kill simultaneously, settle the microorganism in waste water, it is simple and easy, excellent in efficiency.
Description
Technical field
The invention belongs to industrial waste water treatments, and in particular to a kind of environment-friendly treating process of industrial wastewater.
Background technique
With the rapid development of industry, the type and quantity of industrial wastewater rapidly increase, also increasingly wide to the pollution of water body
It is general and serious, seriously threaten the health and safety of the mankind.The Industry Waste that the industries such as chemical industry, pharmacy, papermaking, food, fermentation generate
Water increases severely, and is discharged into natural ecology water body, is easy to make that water body is smelly, water quality degenerates, and influences aquatile and plant
Growth, causes the salination of Soil Surrounding, water body, soil pollution are on the rise.
Chinese patent CN104045200A discloses a kind of industrial wastewater total system, including sequentially connected front end
Filter device, front end grease trap, central water processing device, rear end COD improve device, rear end purifier；The present invention is also
The industrial wastewater comprehensive processing technique of above-mentioned processing system is provided.The present invention can extract the water in industrial wastewater, leave
Pollutant, the industrial wastewater that makes that treated is up to water quality standard for drinking water, and using the isolation technics of pure physics, to industrial wastewater
Purification do not play group, the metal ion contained in boiling water and microorganism cannot remove, and be easy to cause secondary pollution, and technique and set
It is standby complicated for operation.
Chinese patent CN105481161A discloses a kind of cleaning of industrial wastewater and purification method, comprising the following steps: (1)
Industrial wastewater and sewage flow through hydrocyclone arrangement, do not dissolve sediment to remove the coarse grain in industrial wastewater；(2) Industry Waste
Water, which flows through saturator and is passed through air, carries out oxygen saturation；(3) fine suspension is discharged using flotation device；(4) clean water is shifted
Into water collector, remaining sediment is removed in water collector；(5) clean water finally is discharged by filter；The step (3)
In, by the clean water of flotation device, cleaned using electromagnetism activation device, discharge virus, bacterium and soluble heavy metal salt；
Moreover, breaking the hydrate shell in clean water, clean water continues through during clean water flows through electromagnetism activation device
Non-equilibrium plasma generator, condenses suspended matter.In the invention, Industry Waste Inactivation of Enteric Viruses In Water, bacterium and can cannot be removed effectively
Insoluble heavy metal salt, purification process is complicated, and cost input is excessively high, is not suitable for being widely popularized.
Chinese patent CN107721026A discloses a kind of process for treating industrial waste water comprising following steps: (1) pre- mistake
Filter and preformed precipitate；(2) disinfection and pH value are adjusted；(3) impurity and secondary filter are removed；(4) fine filtering.In the invention, work
The treatment effeciency of industry waste water is low, and treatment effect is general, and wastewater treatment method is complicated for operation, higher cost, is not able to satisfy work
Industry.
In traditional industry waste water treatment process: to trade effluent and useless Inactivation of Enteric Viruses In Water, bacterium and soluble heavy metal salt
Clean-up performance is insufficient.Fractionated viral, bacterium are not killed by existing filter, and soluble heavy metal salt, which not exclusively precipitates, also to be held
Easily influence the purity level of water.
Therefore, the present invention can overcome Industry Waste in view of the above problems, invent a kind of environment-friendly treating process of industrial wastewater
The problem that Water warfare is incomplete, purification is at high cost, effect is poor has simple process, purifies thorough feature.
Summary of the invention
A kind of environment-friendly treating process of industrial wastewater is provided it is an object of the invention to overcome existing insufficient, improves mesh
Preceding technique for treating industrial wastewater is complicated, purification is incomplete, the high problem of input cost, while solving industrial wastewater discharge to environment
Pollute and influence the problem of human body health.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
A kind of environment-friendly treating process of industrial wastewater, comprising the following steps:
Preliminary insoluble impurities removal: S10 collects industrial wastewater, adjusts pH to 6.56~7.20, natural subsidence 3h~4h
Afterwards, the coarse grain and insoluble impurities being filtered to remove in industrial wastewater；Suitable pH can be settled more in industrial wastewater
Insoluble impurities, while avoiding injury of the pH value of industrial wastewater to equipment and operator；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 75 DEG C~85 DEG C in S10, and keep 30min~
60min is continually fed into air 25min~45min, and after settling 3h~4h again, flotation removes suspended impurity；Heat one side of flotation
Face is conducive to fine suspension dissolution and aggregation sedimentation, on the other hand can kill the microorganisms such as Industry Waste water part bacterium,
Improve industrial waste water purifying efficiency；
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, persistently leads in S20
After entering oxygen and at the uniform velocity stirring 2h~3h, pH to 7.22~7.45 is adjusted, standing sedimentation 4h~5h is filtered to remove sediment, on
Layer clear liquid can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.Being passed through oxygen can by oxidation
To promote the flocculating setting of soluble metal ion, pH is adjusted later and further promotes settlement action, can greatly improve purification
Efficiency.
Further, in S10, filter screen aperture is 300 mesh~500 mesh.
Further, in S20, the rate of heat addition is 2 DEG C/min~4 DEG C/min.
Further, in S20, air mass flow 0.3m3/ h~0.5m3/h。
Further, in S20, the industrial wastewater of removing suspended impurity and the adding proportion of composite flocculation agent are in S20
1000mL:1g~5g.
Further, in S30, composite flocculation agent is made of the raw material of following parts by weight: 3 parts~9 parts of iron oxide, calcium oxide
2 parts~6 parts, 5 parts~8 parts of kaolin, 0.01 part~0.04 part of cuprous oxide, 10 parts~15 parts of green duckweed, 8 parts of phragmites communis extract~
12 parts.Green duckweed and phragmites communis extract, safety and environmental protection are added in composite flocculation agent, and can improve the flocculation of composite flocculation agent
And action intensity, enhance the stability of composite flocculation agent, further increases purification efficiency.
Further, composite flocculation agent is made of the raw material of following parts by weight: 4 parts~8 parts of iron oxide, 3 parts of calcium oxide
~5 parts, 6 parts~7 parts of kaolin, 0.02 part~0.03 part of cuprous oxide, 11 parts~14 parts of green duckweed, phragmites communis extract 9 parts~10
Part.
Further, in S30, green duckweed is the green duckweed powder that moisture content is 2.5%~4.5%.
Further, in S30, phragmites communis extract is the ethanol extract for removing the reed stem of root and leaf.
Further, in S30, at the uniform velocity stirring rate is 120r/min~200r/min.
The advantages of the present invention are:
1. the environment-friendly treating process of industrial wastewater disclosed by the invention reforms traditional industry waste water treatment process,
The waste water of collection screens out coarse grain and insoluble impurities after adjusting pH in the way of physics removal of impurities, and secondary flotation removal of impurities is conducive to industry
Tiny suspended particulate rapid subsidence in waste water improves industrial waste water purifying effect and utilizes alkaline environment in Flocculation Settling Process
Under in waste water metal ion and organic pollutant carry out removing impurity by means of precipitation, while can kill, settle microorganism in waste water,
It is simple and easy, excellent in efficiency；
2. in the environment-friendly treating process of industrial wastewater disclosed by the invention, before the removal of impurities of insoluble technique, to Industry Waste
Water carries out pH adjusting, is not only advantageous to improve impurities removing efficiency, improves process efficiency, and controls pH value and environmental protection may be implemented, to the greatest extent
Amount avoids pollution environment, reduces industrial wastewater to the corrosion of equipment and the injury of staff, can trust operation；
3. the environment-friendly treating process of industrial wastewater disclosed by the invention, using composite flocculation agent, kaolin in flocculant,
Green duckweed and phragmites communis extract can adsorb heavy metal ion and powder pollutant in industrial wastewater, can also improve water quality, mention
High water quality clarity and workability, the effect of composite flocculation agent flocculating setting is strong, and good impurity removing effect selects safety and environmental protection, will not
It pollutes the environment；
It is simple and easy, input cost is low, practicability is high 4. the present invention combines modern advanced technologies, it is suitble to be widely popularized.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Embodiment 1
A kind of environment-friendly treating process of industrial wastewater
It is prepared via a method which:
S10, preliminary insoluble impurities remove: collection industrial wastewater, after adjusting pH to 6.56, natural subsidence 3h, using hole
Diameter is that the screen to filtrate of 300 mesh removes coarse grain and insoluble impurities in industrial wastewater；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 75 DEG C with the rate of 2 DEG C/min in S10, and protects
30min is held, air 25min is continually fed into, after settling 3h again, flotation removes suspended impurity；
In aforesaid operations, air mass flow 0.3m3/h；The industrial wastewater and composite flocculation agent of suspended impurity are removed in S20
Adding proportion be 1000mL:1g.
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, persistently leads in S20
After entering oxygen and at the uniform velocity stirring 2h with the rate of 120r/min, pH to 7.22 is adjusted, standing sedimentation 4h is filtered to remove sediment,
Supernatant liquor can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.
In aforesaid operations, composite flocculation agent is made of the raw material of following parts by weight: iron oxide 3g, calcium oxide 2g, kaolin
5g, cuprous oxide 0.01g, green duckweed 10g, phragmites communis extract 8g；Green duckweed is the green duckweed powder that moisture content is 2.5%；Reed mentions
Taking object is the ethanol extract for removing the reed stem of root and leaf.
In continuous operation of the above-mentioned composite flocculation agent for the environment-friendly treating process of industrial wastewater of the present invention.
Embodiment 2
A kind of environment-friendly treating process of industrial wastewater
It is prepared via a method which:
S10, preliminary insoluble impurities remove: collection industrial wastewater, after adjusting pH to 7.20, natural subsidence 4h, using hole
Diameter is that the screen to filtrate of 500 mesh removes coarse grain and insoluble impurities in industrial wastewater；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 85 DEG C with the rate of 4 DEG C/min in S10, and protects
60min is held, air 45min is continually fed into, after settling 4h again, flotation removes suspended impurity；
In aforesaid operations, air mass flow 0.5m3/h；The industrial wastewater and composite flocculation agent of suspended impurity are removed in S20
Adding proportion be 1000mL:5g.
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, persistently leads in S20
After entering oxygen and at the uniform velocity stirring 3h with the rate of 200r/min, pH to 7.45 is adjusted, standing sedimentation 5h is filtered to remove sediment,
Supernatant liquor can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.
In aforesaid operations, composite flocculation agent is made of the raw material of following parts by weight: iron oxide 9g, calcium oxide 6g, kaolin
8g, cuprous oxide 0.04g, green duckweed 15g, phragmites communis extract 12g；Green duckweed is the green duckweed powder that moisture content is 4.5%；Reed mentions
Taking object is the ethanol extract for removing the reed stem of root and leaf.
In continuous operation of the above-mentioned composite flocculation agent for the environment-friendly treating process of industrial wastewater of the present invention.
Embodiment 3
A kind of environment-friendly treating process of industrial wastewater
It is prepared via a method which:
S10, preliminary insoluble impurities remove: collection industrial wastewater, after adjusting pH to 6.86, natural subsidence 3h, using hole
Diameter is that the screen to filtrate of 300 mesh removes coarse grain and insoluble impurities in industrial wastewater；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 78 DEG C with the rate of 2 DEG C/min in S10, and protects
40min is held, air 30min is continually fed into, after settling 3h again, flotation removes suspended impurity；
In aforesaid operations, air mass flow 0.3m3/h；The industrial wastewater and composite flocculation agent of suspended impurity are removed in S20
Adding proportion be 1000mL:2g.
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, persistently leads in S20
After entering oxygen and at the uniform velocity stirring 2h with the rate of 140r/min, pH to 7.35 is adjusted, standing sedimentation 4h is filtered to remove sediment,
Supernatant liquor can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.
In aforesaid operations, composite flocculation agent is made of the raw material of following parts by weight: iron oxide 4g, calcium oxide 3g, kaolin
6g, cuprous oxide 0.02g, green duckweed 11g, phragmites communis extract 9g；Green duckweed is the green duckweed powder that moisture content is 3.0%；Reed mentions
Taking object is the ethanol extract for removing the reed stem of root and leaf.
In continuous operation of the above-mentioned composite flocculation agent for the environment-friendly treating process of industrial wastewater of the present invention.
Embodiment 4
A kind of environment-friendly treating process of industrial wastewater
It is prepared via a method which:
S10, preliminary insoluble impurities remove: collection industrial wastewater, after adjusting pH to 7.10, natural subsidence 4h, using hole
Diameter is that the screen to filtrate of 400 mesh removes coarse grain and insoluble impurities in industrial wastewater；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 82 DEG C with the rate of 3 DEG C/min in S10, and protects
50min is held, air 40min is continually fed into, after settling 4h again, flotation removes suspended impurity；
In aforesaid operations, air mass flow 0.4m3/h；The industrial wastewater and composite flocculation agent of suspended impurity are removed in S20
Adding proportion be 1000mL:4g.
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, persistently leads in S20
After entering oxygen and at the uniform velocity stirring 3h with the rate of 180r/min, pH to 7.42 is adjusted, standing sedimentation 5h is filtered to remove sediment,
Supernatant liquor can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.
In aforesaid operations, composite flocculation agent is made of the raw material of following parts by weight: iron oxide 8g, calcium oxide 5g, kaolin
7g, cuprous oxide 0.03g, green duckweed 14g, phragmites communis extract 10g；Green duckweed is the green duckweed powder that moisture content is 4.0%；Reed mentions
Taking object is the ethanol extract for removing the reed stem of root and leaf.
In continuous operation of the above-mentioned composite flocculation agent for the environment-friendly treating process of industrial wastewater of the present invention.
Embodiment 5
A kind of environment-friendly treating process of industrial wastewater
It is prepared via a method which:
S10, preliminary insoluble impurities remove: collection industrial wastewater, after adjusting pH to 7.02, natural subsidence 3.5h, use
Aperture is that the screen to filtrate of 400 mesh removes coarse grain and insoluble impurities in industrial wastewater；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 80 DEG C with the rate of 4 DEG C/min in S10, and protects
45min is held, air 40min is continually fed into, after settling 3.5h again, flotation removes suspended impurity；
In aforesaid operations, air mass flow 0.4m3/h；The industrial wastewater and composite flocculation agent of suspended impurity are removed in S20
Adding proportion be 1000mL:3g.
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, persistently leads in S20
After entering oxygen and at the uniform velocity stirring 2.5h with the rate of 150r/min, pH to 7.35 is adjusted, standing sedimentation 4.5h is filtered to remove precipitating
Object, supernatant liquor can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.
In aforesaid operations, composite flocculation agent is made of the raw material of following parts by weight: iron oxide 6g, calcium oxide 4g, kaolin
6g, cuprous oxide 0.02g, green duckweed 13g, phragmites communis extract 9g；Green duckweed is the green duckweed powder that moisture content is 3.5%；Reed mentions
Taking object is the ethanol extract for removing the reed stem of root and leaf.
In continuous operation of the above-mentioned composite flocculation agent for the environment-friendly treating process of industrial wastewater of the present invention.
Experimental example
The industrial wastewater obtained to the environment-friendly treating process of the various embodiments described above 1~5 is according to wastewater discharge standard GB8778-
1996 are detected, measurement is every test result is as follows table 1:
The every test result for the industrial wastewater that 1 Examples 1 to 5 environment-friendly treating process of table obtains
As it can be seen from table 1 industrial wastewater pH obtained in 1~5 environment-friendly treating process of the embodiment of the present invention is complied with standard,
COD and suspension content are extremely low, and total nitrogen content is also very low, further confirm the environmental protection treatment work of industrial wastewater provided by the invention
Skill is high to the purification efficiency of industrial wastewater, and effect is good, while simple and easy, can shorten the process time, reduces input cost, ring
It ensures safety, is suitble to be widely popularized.
The above is only a preferred embodiment of the present invention and experimental example, is not intended to restrict the invention, for this field
Technical staff for, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of environment-friendly treating process of industrial wastewater, which comprises the following steps:
S10, preliminary insoluble impurities remove: collection industrial wastewater, after adjusting pH to 6.56~7.20, natural subsidence 3h~4h,
The coarse grain and insoluble impurities being filtered to remove in industrial wastewater；
S20, secondary flotation removal of impurities: filtered industrial wastewater is heated to 75 DEG C~85 DEG C in S10, and keep 30min~
60min is continually fed into air 25min~45min, and after settling 3h~4h again, flotation removes suspended impurity；
Flocculating setting: S30 removes the industrial wastewater of suspended impurity, is proportionally added into composite flocculation agent, is continually fed into oxygen in S20
After gas and at the uniform velocity stirring 2h~3h, pH to 7.22~7.45, standing sedimentation 4h~5h are adjusted, is filtered to remove sediment, upper layer is clear
Liquid can be utilized or be discharged again by the ultrafiltration industrial wastewater that obtains that treated.
2. the environment-friendly treating process of industrial wastewater according to claim 1, which is characterized in that in S10, the filter screen
Aperture is 300 mesh~500 mesh.
3. the environment-friendly treating process of industrial wastewater according to claim 1, which is characterized in that in S20, the rate of heat addition
For 2 DEG C/min~4 DEG C/min.
4. the environment-friendly treating process of industrial wastewater according to claim 1, which is characterized in that in S20, the air mass flow
For 0.3m3/ h~0.5m3/h。
5. the environment-friendly treating process of industrial wastewater according to claim 1, which is characterized in that in S20, removed in the S20
The adding proportion of the industrial wastewater and composite flocculation agent that remove suspended impurity is 1000mL:1g~5g.
6. the environment-friendly treating process of industrial wastewater according to claim 1, which is characterized in that in S30, the composite flocculation
Agent is made of the raw material of following parts by weight: 3 parts~9 parts of iron oxide, 2 parts~6 parts of calcium oxide, 5 parts~8 parts of kaolin, oxidation is sub-
0.01 part~0.04 part of copper, 10 parts~15 parts of green duckweed, 8 parts~12 parts of phragmites communis extract.
7. the environment-friendly treating process of industrial wastewater according to claim 6, which is characterized in that the composite flocculation agent by with
The raw material of lower parts by weight forms: 4 parts~8 parts of iron oxide, 3 parts~5 parts of calcium oxide, and 6 parts~7 parts of kaolin, cuprous oxide 0.02
Part~0.03 part, 11 parts~14 parts of green duckweed, 9 parts~10 parts of phragmites communis extract.
8. the environment-friendly treating process of industrial wastewater according to claim 6, which is characterized in that in S30, the blueness duckweed is water
Dividing content is 2.5%~4.5% green duckweed powder.
9. the environment-friendly treating process of industrial wastewater according to claim 6, which is characterized in that in S30, the reed is extracted
Object is the ethanol extract for removing the reed stem of root and leaf.
10. the environment-friendly treating process of industrial wastewater according to claim 1, which is characterized in that described at the uniform velocity to stir in S30
Mixing rate is 120r/min~200r/min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110127949A (en) * | 2019-05-29 | 2019-08-16 | 海南中橡科技有限公司 | A kind of impurity-removing method of glue-preparing exhausted water |
| CN110498558A (en) * | 2019-07-17 | 2019-11-26 | 浙江工贸职业技术学院 | A kind of pre-electroplating treatment waste water treatment process |
| CN114031208A (en) * | 2021-10-18 | 2022-02-11 | 广东众城生态环境发展有限公司 | Industrial wastewater treatment process |
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| CN110127949A (en) * | 2019-05-29 | 2019-08-16 | 海南中橡科技有限公司 | A kind of impurity-removing method of glue-preparing exhausted water |
| CN110127949B (en) * | 2019-05-29 | 2020-07-07 | 海南中橡科技有限公司 | Impurity removal method for glue making wastewater |
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| CN114031208A (en) * | 2021-10-18 | 2022-02-11 | 广东众城生态环境发展有限公司 | Industrial wastewater treatment process |
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