CN106608697A - Treating method for wastewater containing organic amine - Google Patents
Treating method for wastewater containing organic amine Download PDFInfo
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Abstract
The invention relates to a treating method for wastewater containing organic amine. The main objective of the invention is to overcome problems in treatment of organic amine-containing wastewater produced in production of molecular sieves. According to the invention, weakly acidic solid acid is used as a wastewater treating agent to remove degradation-resistant cyclic organic amine pollutants with strong toxicity in wastewater, so biodegradability of the wastewater is realized. After simple treatment, the wastewater treating agent is repeatedly usable. The treating method is simple in process steps, realizes thorough treatment of cyclic organic amine pollutants in the wastewater, can be applied to treatment of organic amine-containing wastewater produced in production of molecular sieves, and has good economic benefits and social benefits.
Description
Technical field
The present invention relates to a kind of method of wastewater treatment containing organic amine, more particularly to one kind is produced in process of producing molecular sieve
The handling process of waste water, belongs to field of environment protection.
Background technology
Organic amine base and/or organic amine salt are widely used in the synthesis of the specific type molecular sieve such as nanometer, mesoporous as template
During.Organic amine is a class high cost, high pollution, highly toxic chemicals, and a large amount of use not only greatly increases molecular sieve
Synthesis cost, and during the synthesis in molecular sieve, washing etc., produce substantial amounts of containing organic amine wastewater, such waste water
Total nitrogen content it is high, and not easily biological-degradable belongs to difficult water quality.Additionally, the waste water silicone content is higher, and with silica gel
In the form of i.e. siliceous suspension, it is difficult to stand physics sedimentation.
At present, it is a lot of for the wastewater treatment report that chemical industry produces generation, but be directed to produced by zeolite molecular sieve production
The handling process of this complex system of waste water is but rarely reported.Suspension in waste water, is not only difficult to settle, for follow-up
Reduction total nitrogen also have certain impact.Additionally, suspension is the main cause for causing water muddy, the organic suspended matter in water body
Easy anaerobic fermentation, makes water quality deterioration after deposition.Therefore, it is to solve zeolite point to reduce Determination of Total Nitrogen in Waste Water content and suspension content
Two the most key problems of the produced waste water of son sieve production.It is many for the processing method of such waste water in industrial production at present
Using burning method, the method equipment cost is high, energy resource consumption is huge.If directly dilution enters water body, not only waste water resource,
Can also significant damage be caused to environment.
With Chinese society and rapid development of economy, with environmental law it is increasingly strict, enhancing of the people to environmental protection consciousness,
The new method of the different wastewater treatments being directed to produced by all trades and professions, new technology also emerge in an endless stream, but can be divided into substantially
Physical, chemical method, biochemical process are more in actual applications to intersect compound use using various methods.
With going deep into for research, various methods have new progress.CN101497470A discloses a kind of for Jiao
Change the handling process of the nitrogenous organic wastewater of this difficult degradation of waste water.Conventional process such waste water is generally divided into two steps to be carried out,
A/O or A is used first2/ O biochemical process denitrogenations, the COD and colourity in biochemical stage water outlet reaches far away discharging standards.Again
Further processed with absorption or Coagulation Method, using activated carbon, flyash etc. as adsorbent, but still there is high cost or residual
The problems such as slag is difficult.The patent improves the complex process of flocculant on the basis of conventional method, with the addition of polymerised sulphur
Sour iron or aluminium polychloride, calcium hydroxide isoreactivity material, but complex process is complex, to consider proportioning, the temperature of raw material
The factors such as degree, basicity, stirring intensity, while also wanting the economy of comprehensive its wastewater treatment.With the change of waste component,
The formula of complex process is also required to grope again.Additionally, the complex process is suitable only for the process of coking chemical waste water, application surface
Relative narrower.
In recent years, membrane separation technique is widely applied.Membrane separation technique be efficient, energy-conservation the separation without phase transformation under a kind of normal temperature,
Purification, concentration new technology.Membrane separation technique mainly uses nature or the artificial synthesized, film with selective penetrated property,
With outside energy or chemical potential difference as motive force, bi-component or multicomponent system are separated, are classified, are purified or be enriched with.
Membrane separation technique, using also relatively broad, is that Physical processes the typical technology that waste water develops in wastewater treatment.
CN103183431A discloses a kind of handling process of ammonia nitrogen waste water, mainly ammonia nitrogen waste water is carried out using traditional flocculant
Pretreatment so that the suspension content in waste water is less than 20mg/L, adds caustic soda and steam, promotes the ammonia separation that dissociates in waste water
Degassing film device is out entered, is collected by detached ammonia in the opposite side of film, so as to obtain the ammoniacal liquor of high concentration.The method is led to
Two steps are crossed, the recycling of resource is realized, but the pre-processing requirements of waste water are higher, it is larger to be passed through steam energy consumption, while useless
Caustic soda is introduced in water, the secondary pollution of waste water is caused, still can not directly be discharged after the wastewater treatment.
For the organic wastewater of difficult degradation is still that oxidizing process especially in chemical method even more obtains significant progress.Such as wet type sky
Gas (catalysis), supercritical water (catalysis), electrochemistry, photochemistry (catalysis), high pressure pulse discharge and low-temperature plasma
Body oxidizing process etc..CN101973606A discloses a kind of processing meanss and processing method of dynamic light electrolysis waste water, compared to
The fixed bed that traditional iron-carbon micro-electrolysis technology is adopted, the method adopts roller equipment, water distribution, gas distribution in device, draining
The aspects such as exhaust, charging discharging have some superiority, but corresponding energy consumption increases, because the device designs complicated, equally
Increase the risk for breaking down of device and the difficulty of plant maintenance.Additionally, the method process waste water efficiency is not high, and
Still a large amount of solid wastes are produced after wastewater treatment.CN101584996A discloses organic contamination in a kind of wastewater by photocatalysis
The method of thing, the method, as carrier, is coated catalyst and is solidified using the wire netting of nickel plating, and the mixed liquor of catalyst includes
Nano-TiO2, acetone, epoxy resin, curing agent and appropriate plasticizer, to be also thrown in acetone soln after solidification.The party
Method catalyst preparation process is complex, and preparation process can produce new pollutant, produces secondary pollution.Simultaneously catalyst is needed
Regularly replace, therefore plant running is relatively costly.CN2846406Y discloses a kind of processing meanss of wet oxidation waste water,
It is a kind of integration apparatus that steam water interface can be heated and be aoxidized, solves to obtain in the past vapour to a certain extent
Aqueous mixtures need the problem of many complete equipments, but the device interior design is complicated, needs to provide certain temperature when operation
And pressure, therefore plant construction cost, operating cost and maintenance cost are high.US2012/0285878A1 discloses a kind of bag
Method of wastewater treatment containing plasma generator, the method provides extra carbon by plasma generator for activated sludge
Source, extends the service life of sludge.CN101905916 discloses a kind of dress of using plasma technical finesse organic wastewater
Put, the device is using substantial amounts of OH, OH in low-temperature plasma2, the extremely strong O of free radical and oxidisability such as O3Substitute
The chemical reagent of prior art, is a kind of cheap sewage-treatment plant, but the patent content is not really related to organic wastewater
Process and treatment effect.
With the development of technology, the method for processing organic wastewater with difficult degradation thereby is also varied, although the process of some of them method
Effect is fine, but due to technological process length, high cost, or need the factors such as special processing equipment to be difficult to obtain extensively
Using.Some of them method technological operation is more complicated, and operating personnel are had high demands, or the single effect on driving birds is not good for processing,
Need to repeat process etc., the processing cost for all virtually increasing.Therefore, it is necessary to explore it is a kind of simple, fast and effectively,
With strong points, and the processing method of difficult degradation organic amine wastewater simple to operate.
Zeolite molecular sieve material is due to big specific surface area and controllable aperture, in catalysis, absorption, separating, special material
Prepared by material, feed, soil improvement, and the field such as biological medicine has broad application prospects and receives much concern.Wherein, zeolite
Molecular screen material is widely used as the catalyst of petrochemical industry, and produces related considerable economic benefit.Zeolite molecular sieve typically by
Organic formwork agent is led and passes downwardly through what the methods such as hydro-thermal, collosol and gel were prepared, generally using organic amine as molecular sieve
Template.Therefore, organic amine template is inevitably contained in the waste water for producing waste water molecular sieve.Organic amine refers to organic
There are the organic species that chemical reaction is generated with ammonia in class material.Be divided into seven big class, fatty amines, alcamines, amide-type,
Alicyclic ring amine, aromatic amine, naphthalene system amine, other amines etc..This kind of material not only has the general property of organic species,
It is generally also provided with certain alkalescent.
There are a class aliphatic acid, the chemical properties with general organic carboxyl acid.It is with solid state presence and water insoluble under normal temperature,
With certain faintly acid.Such melting point substance is relatively low, when environment temperature exceedes its fusing point, it will the change of phase occurs,
Simultaneously faintly acid strengthens.Such as stearic acid (C18H36O2) easily generate magnesium stearate and stearic acid with magnesium ion and calcium ion reaction
Calcium (white precipitate).Stearic acid mainly for the production of stearate, such as：Odium stearate, magnesium stearate, calcium stearate,
Lead stearate, aluminum stearate, cadmium stearate, ferric stearate, potassium stearate.It is widely used in the cold-resistant increasing of inhibition and generation cosmetic, plastics
Modeling agent, releasing agent, stabilizer, surfactant, thiofide, waterproofing agent, polishing agent, metallic soap, metal
Mineral flotation agent, softening agent, pharmaceuticals and other organic chemicals.For another example palmitic acid (C16H32O2) mainly for the production of
The raw material of soap, candle, lubricant, softening agent and synthetic detergent, is also used for preparing palmitate, as waterproofing agent etc..
Stearic acid and palmitic acid develop more deep on various functions additive, and utilize and occur under its faintly acid, low temperature phase to become
The feature development of change is less, more rare especially as the active ingredient of waste water treating agent.
The present invention makes full use of its fusing point low, acid weak advantage, is developed into a kind of waste water treating agent for having containing ring-type
The process of machine amine waste water.The waste water containing organic formwork agent is processed using the method, is compared and is adopted wastewater treatment side at present
Method, has the advantages that short handling process, process is simple, high treating effect, energy consumption are low, easy to operate, selects this kind
Method processes waste water, while the content of suspension in waste water can also be reduced so that processed waste water can be direct as waste water up to standard
Discharge, is the extraordinary organic amine wastewater processing method of prospect.
The content of the invention
The present invention relates to a kind of method of wastewater treatment containing organic amine, mainly using weakly acidic solid acid as waste water treating agent,
Difficult degradation, the cyclic organic amine pollutant of strong toxicity in waste water is removed, the biodegradability of waste water is realized.It is solid using faintly acid
Body acid according to a certain percentage mixes waste water treating agent as waste water treating agent with waste water, is heated to uniform temperature simultaneously
Kept for a period of time, separation of solid and liquid after natural cooling, liquid can be used as discharge of wastewater up to standard after separation.The method of wastewater treatment
Processing step is simple, energy consumption is low, material consumption is little, efficiency high, high treating effect, therefore can be used for cyclic organic amine in waste water
Process.
To solve above-mentioned technical problem, the technical solution used in the present invention is as follows：A kind of method of wastewater treatment containing organic amine,
It is characterized in that using faintly acid solid acid as waste water treating agent, waste water treating agent is mixed with waste water, be thermally formed
Solution containing liquid waste inorganic agent, separation of solid and liquid after natural cooling, liquid can be used as discharge of wastewater up to standard after separation.
This method of wastewater treatment containing organic amine that the present invention is provided, is characterized in that using low-melting faintly acid solid acids
Material according to a certain percentage mixes waste water treating agent as waste water treating agent with waste water, is heated to uniform temperature and keeps one
The section time, separation of solid and liquid after natural cooling, liquid can be used as discharge of wastewater up to standard after separation, and solid is at regeneration after separation
Reason is reused.
The present invention provide this method of wastewater treatment containing organic amine, it is characterised in that the waste water containing organic amine it is total
Nitrogen content is 0-2000mg/L.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the pH of the waste water containing organic amine
It is worth for 7-11.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the solid acids waste water treating agent
Molecular formula is for CnH2mO2In at least one, wherein n >=14, m >=9.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the waste water treating agent CnH2mO2's
Fusing point is less than 100 DEG C.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the waste water treating agent CnH2mO2's
Preferred version is n >=16 in molecular formula, m >=10.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the organic amine is the hexamethylene of ring-type class
At least one in the alicyclic ring amine substance such as amine, hexamethylene imine, cycloheptylamine.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the amount of the material of the waste water treating agent
It is not less than 1 with the ratio of the amount of organic amine material in waste water, best proportion is 1.1～1.3.
This method of wastewater treatment containing organic amine that the present invention is provided, it is characterised in that the temperature range that waste water Hybrid Heating is arrived
For 35 DEG C -95 DEG C, the scope for keeping the temperature is 30min-120min.
The present invention provide this method of wastewater treatment containing organic amine, it is characterised in that natural cooling to temperature be not higher than
The fusing point of solid acid, most preferably less than 20 DEG C.
The present invention can effectively be removed difficult degradation in waste water, be poisoned using the low solid acid of fusing point as waste water treating agent
Big cyclic organic amine, operating procedure is simple, and substantially, processing waste water can be used as discharge of wastewater up to standard for removal effect.Additionally,
Waste water treating agent can be reused by simple renovation process, considerably reduce the processing cost of waste water, it is considered to be
Most promising wastewater processing technology.
Embodiment of the present invention is illustrated below by embodiment, but the present invention is not limited to this.
Specific embodiment
【Embodiment 1】
The waste water containing cyclohexylamine produced during 1000 grams of production ZSM-35 molecular sieves is taken, the total nitrogen of waste water is 1974mg/L,
Suspension content is 185mg/L, and the pH value of waste water is 9.7, adds 38g waste water treating agents, the molecular formula of waste water treating agent
For C16H32O2, 65 DEG C are heated to, constant temperature stirring 60min naturally cools to room temperature (24 DEG C), after being filtrated to get process
Waste water W1.Wastewater treatment condition is shown in Table 1.
【Embodiment 2】
The waste water containing cyclohexylamine produced during 1000 grams of production ZSM-35 molecular sieves is taken, the total nitrogen of waste water is 1974mg/L,
Suspension content is 185mg/L, and the pH value of waste water is 9.7, adds 43g waste water treating agents, the molecular formula of waste water treating agent
For C16H32O2, 65 DEG C are heated to, constant temperature stirring 60min naturally cools to room temperature (24 DEG C), after being filtrated to get process
Waste water W2.Wastewater treatment condition is shown in Table 1.
【Embodiment 3】
The waste water containing cyclohexylamine produced during 1000 grams of production MCM-22 molecular sieves is taken, the total nitrogen of waste water is 1974mg/L,
Suspension content is 185mg/L, and the pH value of waste water is 9.7, adds 48g waste water treating agents, the molecular formula of waste water treating agent
For C16H32O2, 65 DEG C are heated to, constant temperature stirring 60min naturally cools to room temperature (24 DEG C), after being filtrated to get process
Waste water W3.Wastewater treatment condition is shown in Table 1.
【Embodiment 4】
The waste water containing cyclohexylamine produced during 1000 grams of production MCM-22 molecular sieves is taken, the total nitrogen of waste water is 1974mg/L,
Suspension content is 185mg/L, and the pH value of waste water is 9.7, waste water treating agent, and the molecular formula of waste water treating agent is C16H32O2,
65 DEG C are heated to, constant temperature stirring 60min naturally cools to room temperature (24 DEG C), is filtrated to get processed waste water W4.It is useless
Water process condition is shown in Table 1.
【Comparative example 1】
The waste water containing cyclohexylamine produced during 1000 grams of production ZSM-35 molecular sieves is taken, the total nitrogen of waste water is 1974mg/L,
Suspension content is 185mg/L, and the pH value of waste water is 9.7, addition waste water treating agent, and the molecular formula of waste water treating agent is
C16H32O2, 65 DEG C are heated to, constant temperature stirring 60min naturally cools to room temperature (24 DEG C), is filtrated to get after process and gives up
Water E1.Wastewater treatment condition is shown in Table 1.
【Embodiment 5】
The waste water containing hexamethylene imine produced during 1000 grams of production MCM-22 molecular sieves is taken, the total nitrogen of waste water is
1891mg/L, suspension content is 173mg/L, and the pH value of waste water is 10.6,41g waste water treating agents is added, at waste water
The molecular formula of reason agent is C18H38O2, 60 DEG C are heated to, constant temperature stirring 90min naturally cools to room temperature (20 DEG C), mistake
Filter obtains processed waste water W5.Wastewater treatment condition is shown in Table 1.
【Embodiment 6】
The waste water containing hexamethylene imine produced during 1000 grams of production MCM-49 molecular sieves is taken, the total nitrogen of waste water is
1891mg/L, suspension content is 173mg/L, and the pH value of waste water is 10.6,45g waste water treating agents is added, at waste water
The molecular formula of reason agent is C18H38O2, 60 DEG C are heated to, constant temperature stirring 90min naturally cools to room temperature (20 DEG C), mistake
Filter obtains processed waste water W6.Wastewater treatment condition is shown in Table 1.
【Embodiment 7】
The waste water containing hexamethylene imine produced during 1000 grams of production MCM-49 molecular sieves is taken, the total nitrogen of waste water is
1891mg/L, suspension content is 173mg/L, and the pH value of waste water is 10.6,48g waste water treating agents is added, at waste water
The molecular formula of reason agent is C18H38O2, 60 DEG C are heated to, constant temperature stirring 90min naturally cools to room temperature (20 DEG C), mistake
Filter obtains processed waste water W7.Wastewater treatment condition is shown in Table 1.
【Embodiment 8】
The waste water containing hexamethylene imine produced during 1000 grams of production MCM-56 molecular sieves is taken, the total nitrogen of waste water is
1891mg/L, suspension content is 173mg/L, and the pH value of waste water is 10.6, adds waste water treating agent, waste water treating agent
Molecular formula be C18H38O2, 65 DEG C are heated to, constant temperature stirring 90min naturally cools to room temperature (20 DEG C), filters
To processed waste water W8.Wastewater treatment condition is shown in Table 1.
【Comparative example 2】
The waste water containing hexamethylene imine produced during 1000 grams of production MCM-56 molecular sieves is taken, the total nitrogen of waste water is
1891mg/L, suspension content is 173mg/L, and the pH value of waste water is 10.6,60g waste water treating agents is added, at waste water
The molecular formula of reason agent is C18H38O2, 60 DEG C are heated to, constant temperature stirring 90min naturally cools to room temperature (20 DEG C), mistake
Filter obtains processed waste water E2.Wastewater treatment condition is shown in Table 1.
【Embodiment 9】
The waste water containing cyclohexylamine and cycloheptylamine produced during 1000 grams of production MCM-22 molecular sieves is taken, the total nitrogen of waste water is
1687mg/L, suspension content is 155mg/L, and the pH value of waste water is 8.8, adds the waste water treating agent of 38g mixing, is given up
Contain C in water treatment agent18H38O2About 18g, containing C16H32O2About 20g, is heated to 60 DEG C, and constant temperature stirs 120min, from
Room temperature (20 DEG C) is so cooled to, processed waste water W9 is filtrated to get.Wastewater treatment condition is shown in Table 1.
【Embodiment 10】
The waste water containing cyclohexylamine and cycloheptylamine produced during 1000 grams of production ZSM-35 molecular sieves is taken, the total nitrogen of waste water is
1687mg/L, suspension content is 155mg/L, and the pH value of waste water is 8.8, adds the waste water treating agent of 44g mixing, is given up
Contain C in water treatment agent18H38O2About 24g, containing C16H32O2About 20g, is heated to 68 DEG C, and constant temperature stirs 120min, from
Room temperature (20 DEG C) is so cooled to, processed waste water W10 is filtrated to get.Wastewater treatment condition is shown in Table 1.
【Embodiment 11】
The waste water containing cyclohexylamine and cycloheptylamine produced during 1000 grams of production MCM-22 molecular sieves is taken, the total nitrogen of waste water is
1687mg/L, suspension content is 155mg/L, and the pH value of waste water is 8.8, adds the waste water treating agent of 48g mixing, is given up
Contain C in water treatment agent18H38O2About 28g, containing C16H32O2About 20g, is heated to 76 DEG C, and constant temperature stirs 120min, from
Room temperature (20 DEG C) is so cooled to, processed waste water W11 is filtrated to get.Wastewater treatment condition is shown in Table 1.
【Embodiment 12】
The waste water containing cyclohexylamine and cycloheptylamine produced during 1000 grams of production ZSM-35 molecular sieves is taken, the total nitrogen of waste water is
1687mg/L, suspension content is 155mg/L, and the pH value of waste water is 8.8, adds the waste water treating agent of 52g mixing, is given up
Contain C in water treatment agent18H38O2About 32g, containing C16H32O2About 20g, is heated to 80 DEG C, and constant temperature stirs 120min, from
Room temperature (20 DEG C) is so cooled to, processed waste water W12 is filtrated to get.Wastewater treatment condition is shown in Table 1.
Table 1
| Wastewater treatment dosage | Treatment temperature | Process time | It is cooled to temperature | Processed waste water | |
| Embodiment 1 | C16H32O2For 38g | 65℃ | 60min | 24℃ | W1 |
| Embodiment 2 | C16H32O2For 43g | 65℃ | 60min | 24℃ | W2 |
| Embodiment 3 | C16H32O2For 48g | 65℃ | 60min | 24℃ | W3 |
| Embodiment 4 | C16H32O2For 50g | 65℃ | 60min | 24℃ | W4 |
| Embodiment 5 | C18H38O241g | 60℃ | 90min | 20℃ | W5 |
| Embodiment 6 | C18H38O245g | 60℃ | 90min | 20℃ | W6 |
| Embodiment 7 | C18H38O248g | 60℃ | 90min | 20℃ | W7 |
| Embodiment 8 | C18H38O255g | 60℃ | 90min | 20℃ | W8 |
| Embodiment 9 | C18H38O218g+C16H32O2For 20g | 60℃ | 120min | 20℃ | W9 |
| Embodiment 10 | C18H38O224g+C16H32O2For 20g | 68℃ | 120min | 20℃ | W10 |
| Embodiment 11 | C18H38O228g+C16H32O2For 20g | 76℃ | 120min | 20℃ | W11 |
| Embodiment 12 | C18H38O232g+C16H32O2For 20g | 80℃ | 120min | 20℃ | W12 |
| Comparative example 1 | C16H32O2For 30g | 65℃ | 60min | 24℃ | E1 |
| Comparative example 2 | C18H38O260g | 60℃ | 90min | 20℃ | E2 |
【Embodiment 13】
Determination of Total Nitrogen in Waste Water content is tested using the IL500 total nitrogens automatic analyzer of Hash company of the U.S.；
The content of suspension is tested using Hash hand-held suspended matter determination instrument in waste water；
The pH value of waste water is tested using LA-pH10 laboratories pH meter.
The total nitrogen content of raw wastewater is 1974mg/L, and suspension content is 185mg/L, and the pH value of waste water is 9.7.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W1 is 52mg/L, and suspension content is 81mg/L, the pH value of waste water
For 7.3.Meet the secondary standard of national composite wastewater discharge standard.Water treatment effect is shown in Table 2.
【Embodiment 14】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1974mg/L, and suspension content is 185mg/L, and the pH value of waste water is 9.7.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W2 is 43mg/L, and suspension content is 69mg/L, the pH value of waste water
For 7.3.Meet the secondary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 15】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1974mg/L, and suspension content is 185mg/L, and the pH value of waste water is 9.7.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W3 is 35mg/L, and suspension content is 63mg/L, the pH value of waste water
For 7.3.Meet the secondary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 16】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1974mg/L, and suspension content is 185mg/L, and the pH value of waste water is 9.7.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W4 is 25mg/L, and suspension content is 50mg/L, the pH value of waste water
For 7.1.Meet the primary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 17】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1891mg/L, and suspension content is 173mg/L, and the pH value of waste water is 10.6.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W5 is 53mg/L, and suspension content is 70mg/L, the pH value of waste water
For 7.3.Meet the primary standard of national composite wastewater discharge standard.Water treatment effect is shown in Table 2.
【Embodiment 18】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1891mg/L, and suspension content is 173mg/L, and the pH value of waste water is 10.6.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W6 is 35mg/L, and suspension content is 65mg/L, the pH value of waste water
For 7.2.Meet the secondary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 19】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1891mg/L, and suspension content is 173mg/L, and the pH value of waste water is 10.6.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W7 is 29mg/L, and suspension content is 61mg/L, the pH value of waste water
For 7.2.Meet the secondary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 20】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1891mg/L, and suspension content is 173mg/L, and the pH value of waste water is 10.6.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W8 is 25mg/L, and suspension content is 51mg/L, the pH value of waste water
For 7.1.Meet the primary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 21】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1687mg/L, and suspension content is 155mg/L, and the pH value of waste water is 8.8.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W9 is 54mg/L, and suspension content is 69mg/L, the pH value of waste water
For 7.3.Meet the primary standard of national composite wastewater discharge standard.Water treatment effect is shown in Table 2.
【Embodiment 22】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1687mg/L, and suspension content is 155mg/L, and the pH value of waste water is 8.8.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W10 is 34mg/L, and suspension content is 63mg/L, the pH value of waste water
For 7.2.Meet the secondary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 23】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1687mg/L, and suspension content is 155mg/L, and the pH value of waste water is 8.8.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W11 is 28mg/L, and suspension content is 59mg/L, the pH value of waste water
For 7.2.Meet the secondary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 24】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1687mg/L, and suspension content is 155mg/L, and the pH value of waste water is 8.8.Jing gives up
After water treatment agent process, the total nitrogen content of waste water W12 is 24mg/L, and suspension content is 51mg/L, the pH value of waste water
For 7.0.Meet the primary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
【Embodiment 25】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1974mg/L, and suspension content is 185mg/L, and the pH value of waste water is 9.7.Jing gives up
After water treatment agent process, the total nitrogen content of waste water E1 is 35mg/L, and suspension content is 80mg/L, and the pH value of waste water is
7.3.Country or Shanghai Comprehensive sewage drainage standard are not met.Water treatment effect is shown in Table 2.
【Embodiment 26】
Method of testing, the tester of Determination of Total Nitrogen in Waste Water, suspension and pH value is ibid.
The total nitrogen content of raw wastewater is 1891mg/L, and suspension content is 173mg/L, and the pH value of waste water is 10.6.Jing gives up
After water treatment agent process, the total nitrogen content of waste water E2 is 23mg/L, and suspension content is 51mg/L, and the pH value of waste water is
7.0.Meet the primary standard of Shanghai Comprehensive sewage drainage standard.Water treatment effect is shown in Table 2.
Table 2
Claims (10)
1. a kind of method of wastewater treatment containing organic amine, is characterized in that using faintly acid solid acid as waste water treating agent,
Waste water treating agent is mixed with waste water, the solution containing liquid waste inorganic agent is thermally formed, solid-liquid point after natural cooling
From liquid can be used as discharge of wastewater up to standard after separation.
2. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the waste water containing organic amine
Total nitrogen content is 0-2000mg/L.
3. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the waste water containing organic amine
PH value is 7-11.
4. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the solid acids waste water treating agent
Molecular formula be for CnH2mO2In at least one, wherein n >=14, m >=9.
5. according to the method for wastewater treatment containing organic amine described in claim 4, it is characterised in that the waste water treating agent CnH2mO2
Fusing point be less than 100 DEG C.
6. according to the method for wastewater treatment containing organic amine described in claim 4, it is characterised in that the waste water treating agent CnH2mO2
Molecular formula in n >=16, m >=10.
7. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the organic amine is in alicyclic ring amine
At least one.
8. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the material of described waste water treating agent
Amount is not less than 1 with the ratio of the amount of organic amine material in waste water.
9. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the temperature model that waste water Hybrid Heating is arrived
Enclose for 35 DEG C -95 DEG C, the scope for keeping the temperature is 30min-120min.
10. according to the method for wastewater treatment containing organic amine described in claim 1, it is characterised in that the temperature for arriving of natural cooling is not high
In the fusing point of solid acid.
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Cited By (2)
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| CN109928541A (en) * | 2019-03-21 | 2019-06-25 | 中科海创环境科技（大连）有限公司 | A kind of triethylamine wastewater treatment method |
| CN112694186A (en) * | 2019-10-23 | 2021-04-23 | 中国石油化工股份有限公司 | Method for treating waste water containing organic amine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463130A (en) * | 2008-07-10 | 2009-06-24 | 金发科技股份有限公司 | Semi-aromatic polyamide and low wastewater discharge preparation thereof |
| CN104174371A (en) * | 2013-05-27 | 2014-12-03 | 青岛国强环保科技有限公司 | Environmental-protection material for high-efficiency adsorption of organic wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101463130A (en) * | 2008-07-10 | 2009-06-24 | 金发科技股份有限公司 | Semi-aromatic polyamide and low wastewater discharge preparation thereof |
| CN104174371A (en) * | 2013-05-27 | 2014-12-03 | 青岛国强环保科技有限公司 | Environmental-protection material for high-efficiency adsorption of organic wastewater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928541A (en) * | 2019-03-21 | 2019-06-25 | 中科海创环境科技（大连）有限公司 | A kind of triethylamine wastewater treatment method |
| CN112694186A (en) * | 2019-10-23 | 2021-04-23 | 中国石油化工股份有限公司 | Method for treating waste water containing organic amine |
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