CN109354331A - A kind of method of biologic packing material anaerobic technique processing industrial wastewater - Google Patents
A kind of method of biologic packing material anaerobic technique processing industrial wastewater Download PDFInfo
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- CN109354331A CN109354331A CN201811507318.3A CN201811507318A CN109354331A CN 109354331 A CN109354331 A CN 109354331A CN 201811507318 A CN201811507318 A CN 201811507318A CN 109354331 A CN109354331 A CN 109354331A
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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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
- C02F1/66—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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
Abstract
The present invention relates to field of industrial waste water treatment, particularly with regard to a kind of method of biologic packing material anaerobic technique processing industrial wastewater；The present invention removes most of calcium ion using the residual temperature precipitating for being passed through excess carbon dioxide and waste water, then sulfate precipitation agent is added and further removes inorganic salts calcium ion, finally using the COD in anaerobic technique processing waste water, and by a kind of modification biological applying filler in anaerobism fixed-film biological reactor, it ensure that biomass sufficient in biochemical reactor, the method for adding microbial growth promoters at the same time realizes the deep biochemical processing of waste water, and this method has the characteristics that treatment process is simple, treatment effeciency is high, processing cost is low.
Description
Technical field
The present invention relates to field of industrial waste water treatment, are particularly suitable for anaerobic technique processing HPPO propylene oxide industrial wastewater
Method, particularly with regard to a kind of biologic packing material anaerobic technique processing industrial wastewater method.
Background technique
Propylene oxide is a kind of important basic organic chemical industry raw material, and chemical property is very active, can with alcohol, ammonia,
The substances such as carbon dioxide, water chemically react.Industrial wastewater discharge, wastewater treatment can be inevitably generated during production
Technique is extremely important to the production of this kind of product.
201710262479.X proposes a kind of method of flocculation-magnetic separation technique processing production of propylene oxide waste water, first
First will be modified by commercially available magnetic powder, it is added in production of propylene oxide waste water；By what is be made of bodied ferric sulfate and alchlor
Flocculant, flocculation aid are added in production of propylene oxide waste water, are reacted；By waste water after reaction outer magnetic field device effect
Under, it completes to separate the magnetic suck of magnetic wadding body.The present invention has many advantages, such as that easy to operate, device is simple, high-efficient, and overcomes
Traditional flocculence duration, the disadvantages of sludge quantity is big, moisture content is high, occupied area is wide；And magnetic powder property is stablized, the magnetic in sludge
Powder recycling and reusing rate is up to 98%, greatly saves operating cost；In addition to this, flocculation-magnetic separation method is in papermaking, petroleum
The waste water and algae recycling and removal etc. that the industries suspended matter such as work, printing and dyeing is more, turbidity is high have broad application prospects.
201510482991.6 provide the place of a kind of propylene oxide or the brine waste in epoxychloropropane production process
Reason method and the device for realizing this method, the described method comprises the following steps: shine firstly, waste water is placed in shine in salt pond
System obtains the total weight based on the solution after the system of shining, calcium chloride content 13-50wt%, the preferably calcium chloride of 30-45wt%
Solution；Then, the calcium chloride solution after the system of shining is dry, obtain solid calcium chloride.Using method and device of the invention, energy consumption
Calcium chloride low and that generation during production propylene oxide, epoxychloropropane brine waste can be recycled to the greatest extent, solution
It has determined the pollution problem of propylene oxide, epoxychloropropane brine waste, has realized waste water cycling and reutilization.
201420441659.6 disclosing a kind of propylene oxide saliferous production wastewater treatment device, belong to energy conservation and environmental protection technology
Field.The propylene oxide saliferous production wastewater treatment device, including waste water tank, biochemical treatment station, waste water tank pass through pipeline
It is sequentially connected with baffle plate adjuster, MVR evaporator, after-treatment system, baffle plate adjuster is connected with feeder, MVR evaporation
Device is connected with steam generator, biochemical treatment station respectively, and baffle plate adjuster is connected with feeder, MVR evaporator respectively with steaming
Vapour generator, biochemical treatment station are connected, and biochemical treatment station is connected with circulation.The utility model structure is simple, energy conservation, ring
It protects and easy to operate, it is practical.
The process flow of peroxide passivation direct oxidation production of propylene propylene oxide (abbreviation HPPO method) is simpler, device
Occupied area is very small, and required auxiliary facility is less, meets the requirement such as economic, energy saving and environmentally protective, but its waste water contaminates object
Complicated component, processing difficulty is big, currently, most enterprise is by the modes such as salinity domestication or additional microbial inoculum, to improve the height of waste water
Salt Biochemical Treatment, but still have the shortcomings that volume biomass is insufficient, lead to that biochemical system treatment efficiency is not high, load is low and
The problem of fluctuation of service, antipollution object wave is dynamic and load impact scarce capacity, it is difficult to meet the requirement of environmental protection.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of methods of biologic packing material anaerobic technique processing industrial wastewater.
A kind of method of biologic packing material anaerobic technique processing industrial wastewater, its technical solution is as follows:
This wastewater treatment method is provided with waste water buffering cooling tank, and the storage of waste water of discharge early period drops in waste water buffering cooling tank
To room temperature, then makes to buffer the waste water in cooling tank using flow control and mixed with the waste water newly come out, keep composite waste
Temperature is at 60-70 DEG C, then waste water after mixing is allowed to be passed through excess carbon dioxide, the aeration tank is using closed by aeration tank
Aeration mode is recycled pressurizeing after the carbon dioxide collection of Chi Ding spilling, and aeration uses micro-pore aeration mode；The exposure
Water velocity is 1-5m in gas pond3/ min, it is 0.5-1.5kg/min that carbon dioxide, which is passed through speed,；It is added behind aeration tank
The sodium hydroxide solution of 0.5-2.0mol/L, adjusting pH value of waste water are 6-8, and sodium sulphate 2.5-8.5kg/ is then added into waste water
m3, enter sedimentation basin after mixing evenly, remove the precipitating of generation；Then nutritive salt is added into waste water and microorganism growth promotes
Agent enters biochemical system after mixing and carries out biochemical treatment, and the biochemical system uses anaerobism fixed-film biological reactor,
Fixed diameter is the biologic packing material of 80-100mm in reactor, and the center between filler is away from being 50-70mm；It is characterized in that described
Biologic packing material is a kind of modification biological filler；Waste water filters similarly hereinafter after biochemical system is disposed by film, can be completed useless
The processing of water.
A kind of modification biological filler is prepared according to following scheme:
According to mass fraction, 50-80 parts of diatomite is successively respectively washed 3 times with acetone and deionized water, is added after natural air drying
Enter 300-400 parts of the sulfuric acid containing 0.1-0.5mol/L and the acetic acid of 0.2-0.7mol/L, 1- benzyl -3- ethyl piperidine -1-
In the mixed acid solution of 3- dicarboxylic acids 0.06-0.14mol/L, 3- pyridine boronic acid neopentyl glycol is added at 50-80 DEG C in temperature control
0.04-0.12 parts, it is stirred to react 200-300min, is then filtered, filter residue is washed with water and is in neutrality, is then added to filter residue instead
Answer in kettle, and be added 5-12 parts of N hydroxymethyl acrylamide and the chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 6-15 parts of 3- and
200-300 parts of deionized water, is ultrasonically treated 60-120min after mixing evenly by 60-80 DEG C of temperature control, is then added 20-30 parts
Molecular sieve, 0.1-0.8 parts of three (2,2,6,6- tetramethyl -3,5- heptadione acid) scandiums and 10-20 parts of silica solution, then beat
It is dry after slurry, filtering, 60-90min is heated at 150-250 DEG C, then pulverizes and sieves, a kind of modification biological can be obtained
Filler.
It is 10%-20% that the silica solution, which obtains solid content,.
Molar ratio containing calcium ion, magnesium ion and copper ion in the nutritive salt is 5-15:5-25:0.05-0.5.
The microbial growth promoters are spermine or spermidine or hydroxylamine hydrochloride or hydroxyl sulfate or phosphatic hydroxylamine.
A kind of method of biologic packing material anaerobic technique processing industrial wastewater disclosed in the method for the present invention, this method is a kind of warp
It helps the processing method of effective HPPO propylene oxide industrial wastewater, the present invention is using the residual temperature for being passed through excess carbon dioxide and waste water
Precipitating removes most of calcium ion, and sulfate precipitation agent is then added and further removes inorganic salts calcium ion, finally uses anaerobism work
Skill handles the COD in waste water, and a kind of modification biological applying filler ensure that life in anaerobism fixed-film biological reactor
Change biomass sufficient in reactor, the method for adding microbial growth promoters at the same time is realized at the deep biochemical of waste water
Reason, this method have the characteristics that treatment process is simple, treatment effeciency is high, processing cost is low.
Specific embodiment
The invention is described further below by specific embodiment:
Embodiment 1
A kind of method of biologic packing material anaerobic technique processing industrial wastewater, its technical solution is as follows:
This wastewater treatment method is provided with waste water buffering cooling tank, and the storage of waste water of discharge early period drops in waste water buffering cooling tank
To room temperature, then makes to buffer the waste water in cooling tank using flow control and mixed with the waste water newly come out, keep composite waste
Temperature is at 65 DEG C, then waste water after mixing is allowed to be passed through excess carbon dioxide, the aeration tank uses closed aeration by aeration tank
Mode is recycled pressurizeing after the carbon dioxide collection of Chi Ding spilling, and aeration uses micro-pore aeration mode；The aeration tank
Middle water velocity is 3m3/ min, it is 1kg/min that carbon dioxide, which is passed through speed,；The hydrogen-oxygen of 1.3mol/L is added behind aeration tank
Change sodium solution, adjusting pH value of waste water is 7, and sodium sulphate 5.5kg/m is then added into waste water3, enter sedimentation basin after mixing evenly,
Remove the precipitating generated；Then nutritive salt and microbial growth promoters are added into waste water, enter department of biochemistry after mixing
System carries out biochemical treatment, and the biochemical system uses anaerobism fixed-film biological reactor, and fixed diameter is 90mm in reactor
Biologic packing material, center between filler is away from being 60mm；It is characterized in that the biologic packing material is a kind of modification biological filler；It is useless
Water filters similarly hereinafter after biochemical system is disposed by film, and the processing of waste water can be completed.
A kind of modification biological filler is prepared according to following scheme:
According to mass fraction, 65 parts of diatomite is successively respectively washed 3 times with acetone and deionized water, is added after natural air drying
350 parts of the sulfuric acid containing 0.4mol/L and the acetic acid of 0.5mol/L, 1- benzyl -3- ethyl piperidine -1-3- dicarboxylic acids
In the mixed acid solution of 0.09mol/L, temperature control is added 0.07 part of 3- pyridine boronic acid neopentyl glycol, is stirred to react at 60 DEG C
Then 250min is filtered, filter residue is washed with water and is in neutrality, then filter residue is added in reaction kettle, and 9 parts of N- hydroxyl first is added
Base acrylamide and the chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 9 parts of 3- and 250 parts of deionized water, 70 DEG C of temperature control, stirring is equal
It is ultrasonically treated 90min after even, 25 parts of molecular sieve, the three of 0.5 part (2,2,6,6- tetramethyl -3,5- heptadione acid) is then added
Scandium and 15 parts of silica solution, it is dry after being then beaten, filtering, 70min is heated at 220 DEG C, then pulverizes and sieves, institute can be obtained
A kind of modification biological filler stated.
It is 15% that the silica solution, which obtains solid content,.
Molar ratio containing calcium ion, magnesium ion and copper ion in the nutritive salt is 10:15:0.25.
The microbial growth promoters are spermine.
It is 92.1% that the present embodiment, which is 93.8%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 14.8kg/m3。
Embodiment 2
A kind of method of biologic packing material anaerobic technique processing industrial wastewater, its technical solution is as follows:
This wastewater treatment method is provided with waste water buffering cooling tank, and the storage of waste water of discharge early period drops in waste water buffering cooling tank
To room temperature, then makes to buffer the waste water in cooling tank using flow control and mixed with the waste water newly come out, keep composite waste
Temperature is at 60 DEG C, then waste water after mixing is allowed to be passed through excess carbon dioxide, the aeration tank uses closed aeration by aeration tank
Mode is recycled pressurizeing after the carbon dioxide collection of Chi Ding spilling, and aeration uses micro-pore aeration mode；The aeration tank
Middle water velocity is 5m3/ min, it is 1.5kg/min that carbon dioxide, which is passed through speed,；The hydrogen of 0.5mol/L is added behind aeration tank
Sodium hydroxide solution, adjusting pH value of waste water is 6, and sodium sulphate 2.5kg/m is then added into waste water3, enter precipitating after mixing evenly
Pond removes the precipitating of generation；Then nutritive salt and microbial growth promoters are added into waste water, enter biochemistry after mixing
System carries out biochemical treatment, and the biochemical system uses anaerobism fixed-film biological reactor, and fixed diameter is in reactor
The biologic packing material of 80mm, center between filler is away from being 50mm；It is characterized in that the biologic packing material is that a kind of modification biological is filled out
Material；Waste water filters similarly hereinafter after biochemical system is disposed by film, and the processing of waste water can be completed.
A kind of modification biological filler is prepared according to following scheme:
According to mass fraction, 50 parts of diatomite is successively respectively washed 3 times with acetone and deionized water, is added after natural air drying
300 parts of the sulfuric acid containing 0.1mol/L and the acetic acid of 0.2mol/L, 1- benzyl -3- ethyl piperidine -1-3- dicarboxylic acids
In the mixed acid solution of 0.06mol/L, temperature control is added 0.04 part of 3- pyridine boronic acid neopentyl glycol, is stirred to react at 50 DEG C
Then 200min is filtered, filter residue is washed with water and is in neutrality, then filter residue is added in reaction kettle, and 5 parts of N- hydroxyl first is added
Base acrylamide and the chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 6 parts of 3- and 200 parts of deionized water, 60 DEG C of temperature control, stirring is equal
It is ultrasonically treated 60min after even, 20 parts of molecular sieve, the three of 0.1 part (2,2,6,6- tetramethyl -3,5- heptadione acid) is then added
Scandium and 10 parts of silica solution, it is dry after being then beaten, filtering, 60min is heated at 150 DEG C, then pulverizes and sieves, institute can be obtained
A kind of modification biological filler stated.
It is 10% that the silica solution, which obtains solid content,.
Molar ratio containing calcium ion, magnesium ion and copper ion in the nutritive salt is 1:1:0.01.
The microbial growth promoters are spermidine.
It is 90.2% that the present embodiment, which is 91.4%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 14.2kg/m3。
Embodiment 3
A kind of method of biologic packing material anaerobic technique processing industrial wastewater, its technical solution is as follows:
This wastewater treatment method is provided with waste water buffering cooling tank, and the storage of waste water of discharge early period drops in waste water buffering cooling tank
To room temperature, then makes to buffer the waste water in cooling tank using flow control and mixed with the waste water newly come out, keep composite waste
Temperature is at 70 DEG C, then waste water after mixing is allowed to be passed through excess carbon dioxide, the aeration tank uses closed aeration by aeration tank
Mode is recycled pressurizeing after the carbon dioxide collection of Chi Ding spilling, and aeration uses micro-pore aeration mode；The aeration tank
Middle water velocity is 1m3/ min, it is 0.5kg/min that carbon dioxide, which is passed through speed,；The hydrogen of 2.0mol/L is added behind aeration tank
Sodium hydroxide solution, adjusting pH value of waste water is 8, and sodium sulphate 8.5kg/m is then added into waste water3, enter precipitating after mixing evenly
Pond removes the precipitating of generation；Then nutritive salt and microbial growth promoters are added into waste water, enter biochemistry after mixing
System carries out biochemical treatment, and the biochemical system uses anaerobism fixed-film biological reactor, and fixed diameter is in reactor
The biologic packing material of 100mm, center between filler is away from being 70mm；It is characterized in that the biologic packing material is that a kind of modification biological is filled out
Material；Waste water filters similarly hereinafter after biochemical system is disposed by film, and the processing of waste water can be completed.
A kind of modification biological filler is prepared according to following scheme:
According to mass fraction, 80 parts of diatomite is successively respectively washed 3 times with acetone and deionized water, is added after natural air drying
400 parts of the sulfuric acid containing 0.5mol/L and the acetic acid of 0.7mol/L, 1- benzyl -3- ethyl piperidine -1-3- dicarboxylic acids
In the mixed acid solution of 0.14mol/L, temperature control is added 0.12 part of 3- pyridine boronic acid neopentyl glycol, is stirred to react at 80 DEG C
Then 300min is filtered, filter residue is washed with water and is in neutrality, then filter residue is added in reaction kettle, and 12 parts of N- hydroxyl is added
Methacrylamide and the chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 15 parts of 3- and 300 parts of deionized water, are stirred by 80 DEG C of temperature control
It is ultrasonically treated 120min after mixing uniformly, 30 parts of molecular sieve, the three of 0.8 part (2,2,6,6- tetramethyl -3,5- heptan two is then added
Ketone acid) scandium and 20 parts of silica solution, it is dry after being then beaten, filtering, 90min is heated at 250 DEG C, is then pulverized and sieved
Obtain a kind of modification biological filler.
It is 20% that the silica solution, which obtains solid content,.
Molar ratio containing calcium ion, magnesium ion and copper ion in the nutritive salt is 15:25:0.5.
The microbial growth promoters are hydroxylamine hydrochloride.
It is 96.8% that the present embodiment, which is 97.3%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 16.4kg/m3。
Embodiment 4
A kind of method of biologic packing material anaerobic technique processing industrial wastewater, its technical solution is as follows:
This wastewater treatment method is provided with waste water buffering cooling tank, and the storage of waste water of discharge early period drops in waste water buffering cooling tank
To room temperature, then makes to buffer the waste water in cooling tank using flow control and mixed with the waste water newly come out, keep composite waste
Temperature is at 60 DEG C, then waste water after mixing is allowed to be passed through excess carbon dioxide, the aeration tank uses closed aeration by aeration tank
Mode is recycled pressurizeing after the carbon dioxide collection of Chi Ding spilling, and aeration uses micro-pore aeration mode；The aeration tank
Middle water velocity is 5m3/ min, it is 1.5kg/min that carbon dioxide, which is passed through speed,；The hydrogen of 0.5mol/L is added behind aeration tank
Sodium hydroxide solution, adjusting pH value of waste water is 6, and sodium sulphate 2.5kg/m is then added into waste water3, enter precipitating after mixing evenly
Pond removes the precipitating of generation；Then nutritive salt and microbial growth promoters are added into waste water, enter biochemistry after mixing
System carries out biochemical treatment, and the biochemical system uses anaerobism fixed-film biological reactor, and fixed diameter is in reactor
The biologic packing material of 80mm, center between filler is away from being 50mm；It is characterized in that the biologic packing material is that a kind of modification biological is filled out
Material；Waste water filters similarly hereinafter after biochemical system is disposed by film, and the processing of waste water can be completed.
A kind of modification biological filler is prepared according to following scheme:
According to mass fraction, 80 parts of diatomite is successively respectively washed 3 times with acetone and deionized water, is added after natural air drying
400 parts of the sulfuric acid containing 0.5mol/L and the acetic acid of 0.7mol/L, 1- benzyl -3- ethyl piperidine -1-3- dicarboxylic acids
In the mixed acid solution of 0.09mol/L, temperature control is added 0.09 part of 3- pyridine boronic acid neopentyl glycol, is stirred to react at 80 DEG C
Then 300min is filtered, filter residue is washed with water and is in neutrality, then filter residue is added in reaction kettle, and 12 parts of N- hydroxyl is added
Methacrylamide and the chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 15 parts of 3- and 300 parts of deionized water, are stirred by 80 DEG C of temperature control
It is ultrasonically treated 120min after mixing uniformly, 30 parts of molecular sieve, the three of 0.8 part (2,2,6,6- tetramethyl -3,5- heptan two is then added
Ketone acid) scandium and 20 parts of silica solution, it is dry after being then beaten, filtering, 90min is heated at 250 DEG C, is then pulverized and sieved
Obtain a kind of modification biological filler.
It is 13% that the silica solution, which obtains solid content,.
Molar ratio containing calcium ion, magnesium ion and copper ion in the nutritive salt is 8:10:0.3.
The microbial growth promoters are hydroxyl sulfate.
It is 94.6% that the present embodiment, which is 95.2%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 15.7kg/m3。
Comparative example 1
1- benzyl -3- ethyl piperidine -1-3- dicarboxylic acids, the other the same as in Example 1 is not added in preparation component.
It is 87.1% that the present embodiment, which is 90.1%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 10.4kg/m3。
Comparative example 2
N hydroxymethyl acrylamide, the other the same as in Example 1 is not added in preparation component.
It is 84.2% that the present embodiment, which is 91.2%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 9.2kg/m3。
Comparative example 3
The chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 3-, the other the same as in Example 1 is not added in preparation component.
It is 83.9% that the present embodiment, which is 90.7%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 8.8kg/m3。
Comparative example 4
3- pyridine boronic acid neopentyl glycol, the other the same as in Example 1 is not added in preparation component.
It is 87.8% that the present embodiment, which is 91.4%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 9.7kg/m3。
Comparative example 5
Three (2,2,6,6- tetramethyl -3,5- heptadione acid) scandiums, the other the same as in Example 1 are not added in preparation component.
It is 80.1% that the present embodiment, which is 88.3%, COD removal rate for calcium ion removal rate in waste water, the biochemical reaction used
The volume anaerobism removing load of device is 8.2kg/m3。
Claims (5)
1. a kind of method of biologic packing material anaerobic technique processing industrial wastewater, its technical solution is as follows:
This wastewater treatment method is provided with waste water buffering cooling tank, and the storage of waste water of discharge early period drops in waste water buffering cooling tank
To room temperature, then makes to buffer the waste water in cooling tank using flow control and mixed with the waste water newly come out, keep composite waste
Temperature is at 60-70 DEG C, then waste water after mixing is allowed to be passed through excess carbon dioxide, the aeration tank is using closed by aeration tank
Aeration mode is recycled pressurizeing after the carbon dioxide collection of Chi Ding spilling, and aeration uses micro-pore aeration mode；The exposure
Water velocity is 1-5m in gas pond3/ min, it is 0.5-1.5kg/min that carbon dioxide, which is passed through speed,；It is added behind aeration tank
The sodium hydroxide solution of 0.5-2.0mol/L, adjusting pH value of waste water are 6-8, and sodium sulphate 2.5-8.5kg/ is then added into waste water
m3, enter sedimentation basin after mixing evenly, remove the precipitating of generation；Then nutritive salt is added into waste water and microorganism growth promotes
Agent enters biochemical system after mixing and carries out biochemical treatment, and the biochemical system uses anaerobism fixed-film biological reactor,
Fixed diameter is the biologic packing material of 80-100mm in reactor, and the center between filler is away from being 50-70mm；It is characterized in that described
Biologic packing material is a kind of modification biological filler；Waste water filters similarly hereinafter after biochemical system is disposed by film, can be completed useless
The processing of water.
2. a kind of method of biologic packing material anaerobic technique processing industrial wastewater according to claim 1, it is characterised in that: institute
A kind of modification biological filler stated is prepared according to following scheme:
According to mass fraction, 50-80 parts of diatomite is successively respectively washed 3 times with acetone and deionized water, is added after natural air drying
Enter 300-400 parts of the sulfuric acid containing 0.1-0.5mol/L and the acetic acid of 0.2-0.7mol/L, 1- benzyl -3- ethyl piperidine -1-
In the mixed acid solution of 3- dicarboxylic acids 0.06-0.14mol/L, 3- pyridine boronic acid neopentyl glycol is added at 50-80 DEG C in temperature control
0.04-0.12 parts, it is stirred to react 200-300min, is then filtered, filter residue is washed with water and is in neutrality, is then added to filter residue instead
Answer in kettle, and be added 5-12 parts of N hydroxymethyl acrylamide and the chloro- 2- hydroxypropyl trimethylammonium amine hydrochlorate of 6-15 parts of 3- and
200-300 parts of deionized water, is ultrasonically treated 60-120min after mixing evenly by 60-80 DEG C of temperature control, is then added 20-30 parts
Molecular sieve, 0.1-0.8 parts of three (2,2,6,6- tetramethyl -3,5- heptadione acid) scandiums and 10-20 parts of silica solution, then beat
It is dry after slurry, filtering, 60-90min is heated at 150-250 DEG C, then pulverizes and sieves, a kind of modification biological can be obtained
Filler.
3. a kind of method of biologic packing material anaerobic technique processing industrial wastewater according to claim 2, it is characterised in that: institute
It is 10%-20% that the silica solution stated, which obtains solid content,.
4. a kind of method of biologic packing material anaerobic technique processing industrial wastewater according to claim 1, it is characterised in that: institute
Molar ratio containing calcium ion, magnesium ion and copper ion in the nutritive salt stated is 5-15:5-25:0.05-0.5.
5. a kind of method of biologic packing material anaerobic technique processing industrial wastewater according to claim 1, it is characterised in that: institute
The microbial growth promoters stated are spermine or spermidine or hydroxylamine hydrochloride or hydroxyl sulfate or phosphatic hydroxylamine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507318.3A CN109354331A (en) | 2018-12-11 | 2018-12-11 | A kind of method of biologic packing material anaerobic technique processing industrial wastewater |
Applications Claiming Priority (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186909A (en) * | 2020-01-24 | 2020-05-22 | 辽宁中舟得水环保科技有限公司 | Method for treating epoxypropane wastewater by efficient anaerobic process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781059A (en) * | 2010-02-01 | 2010-07-21 | 河海大学 | Novel anaerobic membrane bioreactor |
| CN104743680A (en) * | 2015-04-03 | 2015-07-01 | 李文新 | Preparation method of modified perlite biological filler |
| CN106554123A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of deep treatment method of epoxychloropropane waste water |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781059A (en) * | 2010-02-01 | 2010-07-21 | 河海大学 | Novel anaerobic membrane bioreactor |
| CN104743680A (en) * | 2015-04-03 | 2015-07-01 | 李文新 | Preparation method of modified perlite biological filler |
| CN106554123A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of deep treatment method of epoxychloropropane waste water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186909A (en) * | 2020-01-24 | 2020-05-22 | 辽宁中舟得水环保科技有限公司 | Method for treating epoxypropane wastewater by efficient anaerobic process |
| CN111186909B (en) * | 2020-01-24 | 2022-01-04 | 辽宁中舟得水环保科技有限公司 | Method for treating epoxypropane wastewater by efficient anaerobic process |
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