CN109569273A - The administering method of petrifaction sewage treatment plant exhaust gas - Google Patents
The administering method of petrifaction sewage treatment plant exhaust gas Download PDFInfo
- Publication number
- CN109569273A CN109569273A CN201710898950.4A CN201710898950A CN109569273A CN 109569273 A CN109569273 A CN 109569273A CN 201710898950 A CN201710898950 A CN 201710898950A CN 109569273 A CN109569273 A CN 109569273A
- Authority
- CN
- China
- Prior art keywords
- desorption
- gas
- weight
- content
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1124—Metal oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2063—Lanthanum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/30—Silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to exhaust-gas treatment fields, disclose a kind of administering method of petrifaction sewage treatment plant exhaust gas, wherein, the administering method includes: to contact exhaust gas with adsorbent to carry out adsorption treatment, discharge the gas up to standard after adsorption treatment, inactivation adsorbent is desorbed and purged, the stripping gas that desorption and purging generate is cooled down, stripping gas after cooling return is subjected to adsorption treatment together with exhaust gas；The adsorbent be can in catalysis oxidation waste gas decomposition pollutant adsorbent, preferably FCC dead catalyst；It includes: to contact inactivation adsorbent with oxygen-containing gas that the method that adsorbent desorbs, which will be inactivated, and the condition of desorption includes: that the temperature of desorption is greater than 180 DEG C, and the pressure of desorption is greater than 0.53MPa.Method of the invention is inexpensive, the cycle of operation is long, has good treatment effect for petrifaction sewage treatment plant exhaust gas.
Description
Technical field
The present invention relates to exhaust-gas treatments, and in particular to a kind of administering method of petrifaction sewage treatment plant exhaust gas.
Background technique
In the enterprises such as oil refining, chemical industry, there are many production units or facility can generate foul waste gas, such as: storage tank volatilization, dirt
Water treatment system loss etc..
Major pollutants in exhaust gas include: VOC (volatile organic compounds), hydrogen sulfide, nitrogen etc..Hydrogen sulfide, nitrogen etc.
Foul gas is also bigger to the injury of human body other than making people's sense organ uncomfortable.Volatile organic compounds (VOCs) refers to
Saturated vapor pressure is approximately more than 70Pa at normal temperature, and boiling point is lower than 250 DEG C of organic compound under normal pressure.Volatile organic compounds
It (VOCs) include: the most common pollutants that alkane, aromatic hydrocarbons, alkene, alcohols, ethers etc. are petrochemical industry discharge, to ring
There is huge destruction in border.
With the continuous improvement of Public environmental attitude and increasingly stringent, the environmental pollution caused by exhaust gas of environmental emission standard
Problem is increasingly valued by people.For protection staff health, improves air quality, build environmentally protective environment
It is necessary to effectively be administered to petrifaction sewage treatment plant exhaust gas.
Currently, focusing mostly on the treatment research of petrifaction sewage treatment plant exhaust gas in biological treatment, adsorption treatment, and catalysis combustion
Burning processing etc.:
If CN 101234280A discloses a kind of absorption-biological treatment method of foul waste gas, this method include exhaust gas into
Enter to spray absorber, absorption, humidification and cooling effect occurs, then exhaust gas enters bio-trickling device, in uphill process
With the biofilm contact of the wetting for being attached to carrier (filler) surface and be warmed and be degraded into odorless compound, after discharge purification
Gas.This method can efficiently remove organic amine, ammonia, hydrogen sulfide, thio-alcohol, Dimethyl sulfide (DMS), dimethyl disulfide
(DMDS), the gaseous states such as styrene, volatile organic matter (VOC), dimethyltrisulfide, benzene methanamine, carbon disulfide, carbonyl sulfur stench is dirty
Contaminate object and various foul odours.This method is adapted to low concentration, atm number, at the deodorization purification of different foul gas pollutants
Reason.But this method needs to tame bacterium for different organic matters, it is difficult to the gas for complicated component.
CN 1242258A discloses a kind of method of removing sulfur series foul smell gas by using polyacrylonitrile active carbon fiber, and this method has
Simple process and low cost, the good advantage of removing stench effect, but this method is handled mainly for sulfur series foul smell gas.
CN 1335198A discloses the purification method of a kind of sulfur-bearing and combustible components exhaust gas, and this method is by the way that " concentration is equal
Three sections of group technologies of change device-desulfurization treatment equipment-catalytic burner ", make organic exhaust gas by complete catalysis burning, reach purification exhaust gas
Purpose.But this method processing cost is high, and operating condition is harsh, such as ignition temperature is very high, and is only suitable for handling combustible
The higher gas of concentration.
In the administering method of existing exhaust gas, biochemical method is not high to the VOCs treatment effeciency in exhaust gas, and treated VOCs
It is difficult to reach discharge standard.Combustion method is at high cost, and treatment conditions are harsh, it is difficult to be used for the lower exhaust-gas treatment of concentration.It is catalyzed oxygen
Change method individually handles VOCs and is also difficult to reach discharge standard, and concentration for the treatment of it is low gas it is at high cost, economy is improper.Absorption
Method handles exhaust gas, there are problems that the high-concentration waste gas generated after desorption is difficult to handle, and usually also needs independent using combustion method
Gas after processing desorption, causes processing cost height.Some Enterprises handle exhaust gas, high concentration using absorption method in practical applications
Exhaust gas adsorbs again again after condensing, but condensed stripping gas pollutant concentration is still relatively high, and absorption will cause suction again
The attached dose of reduced lifetime problem short so as to cause the device cycle of operation.It is low it is therefore necessary to research and develop a kind of processing cost, operation week
The exhaust gas of phase length, the especially processing method of petrifaction sewage treatment plant exhaust gas.
Summary of the invention
The purpose of the invention is to overcome defect of the existing technology, it is low to provide a kind of processing cost, the cycle of operation
Long exhaust gas, particular for the processing method of petrifaction sewage treatment plant exhaust gas.
To achieve the goals above, one aspect of the present invention provides a kind of administering method of petrifaction sewage treatment plant exhaust gas,
In, the administering method includes: to contact exhaust gas with adsorbent to carry out adsorption treatment, discharges the gas up to standard after adsorption treatment
Inactivation adsorbent is desorbed and is purged by body, the stripping gas that desorption and purging generate is cooled down, by solution after cooling
Air-breathing return carries out adsorption treatment together with exhaust gas；The adsorbent be can in catalysis oxidation waste gas decomposition pollutant absorption
Agent, preferably FCC dead catalyst；It includes: to connect inactivation adsorbent with oxygen-containing gas that the method that adsorbent desorbs, which will be inactivated,
Touching, the condition of desorption include: that the temperature of desorption is greater than 180 DEG C, and the pressure of desorption is greater than 0.53MPa.
Second aspect of the present invention provides a kind of administering method of petrifaction sewage treatment plant exhaust gas, wherein the exhaust gas is controlled
Reason carries out in exhaust treatment system, and the exhaust treatment system includes: adsorption system and cooling system, the adsorption system packet
Include absorbing unit, desorption unit and purge unit；The exhaust gas of collection is sent into adsorption system, exhaust gas in absorbing unit with absorption
Agent contact carries out adsorption treatment, the adsorbent be can in catalysis oxidation waste gas decomposition pollutant adsorbent, preferably FCC
Dead catalyst discharges the gas up to standard after adsorption treatment；Inactivation adsorbent successively connects in desorption unit with oxygen-containing gas
Touching is desorbed, and is purged in purge unit, the temperature of desorption be greater than 180 DEG C, the pressure of desorption be greater than
0.53MPa；Desorption and the stripping gas feeding cooling system for purging generation are cooled down, stripping gas after cooling is returned and given up
The absorbing unit that gas is sent into adsorption system together carries out adsorption treatment.
The present invention is to provide a kind of low cost, the cycle of operation it is long have for petrifaction sewage treatment plant exhaust gas it is good
The administering method of the exhaust gas for the treatment of effect.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
According to the present invention, the administering method of petrifaction sewage treatment plant exhaust gas include: exhaust gas is contacted with adsorbent into
Row adsorption treatment discharges gas up to standard after adsorption treatment, and inactivation adsorbent is desorbed and purged, will desorption and
The stripping gas that purging generates is cooled down, and stripping gas after cooling return is carried out adsorption treatment together with exhaust gas；
The adsorbent be can in catalysis oxidation waste gas decomposition pollutant adsorbent, preferably FCC dead catalyst；
It includes: to contact inactivation adsorbent with oxygen-containing gas that the method that adsorbent desorbs, which will be inactivated, the condition of desorption
The temperature for including: desorption is greater than 180 DEG C, and the pressure of desorption is greater than 0.53MPa.
According to the present invention, the present inventor is dexterously using with pollutant ability in catalysis oxidation waste gas decomposition
Its adsorption function to pollutant in exhaust gas and absorption is not only utilized as adsorbent in adsorbent, especially FCC dead catalyst
Agent is at low cost, and also has the function of catalysis oxidation under certain condition, FCC can will be adsorbed on during desorption and regeneration and given up
Some of the contaminants oxygenolysis in exhaust gas on catalyst, avoids the secondary pollution to environment, so that the processing of exhaust gas is more
To improve and thoroughly, also reducing load when stripping gas returns to adsorption system re-absorption, extend the cycle of operation of device.
According to the present invention, the various FCC dead catalyst being well known to those skilled in the art can be used in the present invention,
Under preferable case, in a kind of specific embodiment of the invention, the composition of the FCC dead catalyst are as follows: urged so that the FCC is useless
On the basis of the total weight of agent, the content of aluminum oxide is 45-55 weight %, and the content of silica is 35-45 weight %,
The content of lanthana is 0.8-1.5 weight %, and the content of cerium oxide is 1.7-2.5 weight %, and the content of nickel oxide is 0.5-2.5
Weight %, the content of vanadium dioxide are 0.3-1 weight %, and the content of di-iron trioxide is 0.5-2.5 weight %.
According to the present invention, under the angle for the adsorption effect for further increasing FCC dead catalyst, preferable case, institute
The specific surface area for stating FCC dead catalyst is 100-300m2/ g, pore volume 0.1-0.4ml/g.
According to the present invention, from FCC dead catalyst is further increased during desorption and regeneration to being adsorbed on exhaust gas therein
The angle of middle pollutant oxygenolysis effect is set out, and the temperature of desorption is preferably 200-300 DEG C, and more preferably 220-250 DEG C；Solution
The pressure of suction is preferably 0.55-2MPa, more preferably 1-1.5MPa.
According to the present invention, the oxygen-containing gas contacted with inactivation adsorbent can be air or oxygen.The use of oxygen-containing gas
Amount is as long as it can ensure that regenerate inactivation adsorbent sufficiently, under preferable case, the volume space velocity of desorption can be 2-
2000h-1, preferably 5-1000h-1；The period of desorption can be 2-30min, preferably 5-20min.
According to the present invention, as long as the condition of the adsorption treatment guarantees that exhaust gas can reach discharge after adsorption treatment
Standard.It under preferable case, from further increasing adsorption treatment effect, and can guarantee that the angle of adsorption efficiency is set out, inhale
The condition of attached processing includes: that volume space velocity can be 100-20000h-1, preferably 300-10000h-1；The period of adsorption treatment
It can be 0.2-5h, preferably 0.5-2h.
According to the present invention, the angle of the regeneration effect of inactivation adsorbent, purging are improved from discharge stripping gas is easier to
Condition includes: that the volume space velocity of purging can be 5-300h-1, preferably 20-200h-1；The period of purging can be 2-30min,
Preferably 5-20min.In the present invention, the purge operations process preferably uses air to be purged.
According to the present invention, the method for the desorption air cooling that desorption and purging generate can be carried out in a conventional manner, from
It is further ensured that and carries out adsorption treatment at a lower temperature, and guarantee the longer service life of adsorbent and improve device
The angle of the cycle of operation is set out, will desorption and purging generate desorption air cooling condition allow to cool to 50 DEG C hereinafter, it is preferred that
It is 10-40 DEG C.Cooling method can use the various methods of this field routine, such as water cooling.
The improvement for the various exhaust gas that method of the invention is generated suitable for petrifaction sewage treatment plant, such as oil plant generation
Improvement containing VOCs exhaust gas.Hydrogen sulfide content < 30mg/m in the exhaust gas3, ammonia content < 100mg/m3, benzene content < 50mg/
m3, toluene level < 100mg/m3, non-methane total hydrocarbons content < 500mg/m3.Using method of the invention, treated that exhaust gas can
Meet the requirement (benzene content < 4mg/m of GB 31570-2015 petroleum refining industry pollutant emission standard3, toluene level <
15mg/m3, non-methane total hydrocarbons content < 120mg/m3), and low cost, the cycle of operation it is long.
A kind of specific embodiment according to the present invention, the improvement of the exhaust gas carries out in exhaust treatment system, described
Exhaust treatment system includes: adsorption system and cooling system, and the adsorption system includes that absorbing unit, desorption unit and purging are single
Member；
The exhaust gas of collection is sent into adsorption system, exhaust gas, which contacts in absorbing unit with adsorbent, carries out adsorption treatment, institute
State adsorbent be can in catalysis oxidation waste gas decomposition pollutant adsorbent, preferably FCC dead catalyst, discharge is by absorption
Treated gas up to standard；Inactivation adsorbent, which successively contacts in desorption unit with oxygen-containing gas, to be desorbed, and single in purging
It is purged in member, the temperature of desorption is greater than 180 DEG C, preferably 200-300 DEG C, more preferably 220-250 DEG C；The pressure of desorption
Power is greater than 0.53MPa, preferably 0.55-2MPa, more preferably 1-1.5MPa.
Under preferable case, in a kind of specific embodiment of the invention, the composition of the FCC dead catalyst are as follows: with institute
On the basis of the total weight for stating FCC dead catalyst, the content of aluminum oxide is 45-55 weight %, and the content of silica is 35-
45 weight %, the content of lanthana are 0.8-1.5 weight %, and the content of cerium oxide is 1.7-2.5 weight %, the content of nickel oxide
For 0.5-2.5 weight %, the content of vanadium dioxide is 0.3-1 weight %, and the content of di-iron trioxide is 0.5-2.5 weight %.
Desorption and the stripping gas feeding cooling system for purging generation are cooled down, stripping gas after cooling is returned and given up
The absorbing unit that gas is sent into adsorption system together carries out adsorption treatment.
According to the present invention, the adsorption system can be operated in parallel by two or more adsorption systems, will be wait locate
Reason exhaust gas, which is passed through in multiple adsorption systems in parallel, either simultaneously or alternately carries out Adsorption and desorption and purge operations.
According to the present invention, the cooling system can be to absorb cooling tower, and it is normal that the absorption cooling tower can be this field
The absorption cooling tower used is advised, for example, being equipped with filler in the absorption cooling tower in favor of gas-liquid contact.The filler can be
This field routine can be used in absorbing cooling tower further to absorb the filler of exhaust gas, for example, active carbon, activity can be selected from
At least one of Carbon fibe and molecular sieve.Under preferable case, absorption cooling tower is water cooling, will desorb and blows to preferably satisfy
The condition for sweeping the desorption air cooling of generation allows to cool to 50 DEG C hereinafter, preferably 10-40 DEG C.Under preferable case, cooling item
Part includes: that gas-water ratio is 10-1000:1, preferably 50-500:1；The air-water contact time is 2-120s, preferably 5-60s.
The present invention will be described in detail by way of examples below.
In following embodiment and comparative example, unless otherwise instructed, each material used is commercially available, each side used
Method is the conventional method of this field.
In following embodiment and comparative example, exhaust gas to be processed is the VOCs exhaust gas that certain petrifaction sewage treatment plant generates
10000m3/h。
Embodiment 1-4
Adsorption system uses 2 absorption pillars in parallel, and (specification is 2 × 2.5m of Φ) alternately Adsorption and desorption, purging
Operation.Adsorption and desorption, purge cycles are respectively 1h, 10min, 8min.The volume space velocity of adsorption operations is 500h-1；Desorption uses
Air, temperature are 250 DEG C, pressure 1.2Mpa, and the volume space velocity of desorption operations is 20h-1；It is purged, is purged using air
The volume space velocity of operation is 60h-1。
Wherein, embodiment 1,3 sorbent used FCC dead catalyst composition are as follows: the content of aluminum oxide be 53 weights
% is measured, the content of silica is 41 weight %, and the content of lanthana is 1 weight %, and the content of cerium oxide is 2 weight %, oxygen
The content for changing nickel is 1.2 weight %, and the content of vanadium dioxide is 0.5 weight %, and the content of di-iron trioxide is 1.3 weight %；
Specific surface area is 245m2/ g, pore volume 0.35ml/g.
The composition of embodiment 2,4 sorbent used FCC dead catalyst are as follows: the content of aluminum oxide is 55 weight %, two
The content of silica is 36.5 weight %, and the content of lanthana is 1.5 weight %, and the content of cerium oxide is 1.8 weight %, oxidation
The content of nickel is 2.2 weight %, and the content of vanadium dioxide is 1 weight %, and the content of di-iron trioxide is 2.1 weight %；Compare table
Area is 240m2/ g, pore volume 0.3ml/g.
The stripping gas that desorption and purging generate is sent into absorption cooling tower and carries out cooling (gas-water ratio 100:1；Air-water contact
Time is 15s), the stripping gas after being cooled to 35 DEG C returns to adsorption system and carries out adsorption treatment together with exhaust gas.
Treatment effect is shown in Table 1- table 2.Wherein, embodiment 1-2 is 1 hour later treatment effect of operation, and embodiment 3-4 is
Treatment effect after running 1 week.
Embodiment 5
Exhaust gas is handled according to the method for embodiment 3, unlike, the temperature of desorption and regeneration is 200 DEG C, and pressure is
0.8Mpa.Treatment effect after running 1 week is shown in Table 5.
Embodiment 6
Exhaust gas is handled according to the method for embodiment 3, unlike, the volume space velocity of adsorption operations is 1200h-1.Operation 1 week
Treatment effect afterwards is shown in Table 6.
Comparative example 1-4
Exhaust gas is handled according to the method for embodiment 1, unlike, the adsorbent of comparative example 1 and comparative example 3 is active carbon,
The adsorbent of comparative example 2 and comparative example 4 is fresh FCC catalyst.The composition of the FCC fresh catalyst are as follows: new with the FCC
On the basis of the total weight of fresh catalyst, the content of aluminum oxide is 55 weight %, and the content of silica is 42 weight %, oxygen
The content for changing lanthanum is 1 weight %, and the content of cerium oxide is 2 weight %；Specific surface area is 503m2/ g, pore volume 0.48ml/g.
Treatment effect is shown in Table 3- table 4.Wherein, comparative example 1-2 is 1 hour later treatment effect of operation, and comparative example 3-4 is
Treatment effect after running 1 week.
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
By the above results as can be seen that embodiment 1-2 and comparative example 1-2 different adsorbent is inhaled despite the use of
Attached processing, and stripping gas is recycled back to adsorption system and carries out circular treatment, the treatment effect after operation 1 hour is suitable.And lead to
After the comparing result of embodiment 3-4 and comparative example 3-4 is crossed it is found that running 1 week under the conditions of identical comparison, method of the invention
It is still good to the treatment effect of exhaust gas, but the outgassing pollution object concentration of comparative example is much larger than discharge standard, it is seen that it is handled
Ability is substantially reduced.In addition, by the comparison of embodiment 5 and embodiment 3 it is found that being adsorbed under preferred desorption condition to inactivation
Agent is desorbed, and can further increase FCC dead catalyst to pollutant oxygenolysis effect in exhaust gas.It follows that using
The exhaust gas of administering method processing petrifaction sewage treatment plant of the invention, not only treated under the preferred conditions, and exhaust gas can
Reach the requirement of GB 31570-2015 petroleum refining industry pollutant emission standard, and can guarantee longtime running, processing effect
Fruit is stablized, and processing cost is cheap.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of administering method of petrifaction sewage treatment plant exhaust gas, which is characterized in that the administering method includes: by exhaust gas and to inhale
Attached dose of contact carries out adsorption treatment, discharges the gas up to standard after adsorption treatment, and inactivation adsorbent is desorbed and blown
It sweeps, the stripping gas that desorption and purging generate is cooled down, stripping gas after cooling is returned and is carried out at absorption together with exhaust gas
Reason；
The adsorbent be can in catalysis oxidation waste gas decomposition pollutant adsorbent；
It includes: to contact inactivation adsorbent with oxygen-containing gas that the method that adsorbent desorbs, which will be inactivated, and the condition of desorption includes:
The temperature of desorption is greater than 180 DEG C, and the pressure of desorption is greater than 0.53MPa.
2. administering method according to claim 1, wherein it is described can in catalysis oxidation waste gas decomposition pollutant absorption
Agent is FCC dead catalyst, and on the basis of the total weight of the FCC dead catalyst, the content of aluminum oxide is 45-55 weight
% is measured, the content of silica is 35-45 weight %, and the content of lanthana is 0.8-1.5 weight %, and the content of cerium oxide is
1.7-2.5 weight %, the content of nickel oxide are 0.5-2.5 weight %, and the content of vanadium dioxide is 0.3-1 weight %, three oxidations
The content of two iron is 0.5-2.5 weight %.
3. administering method according to claim 1 or 2, wherein the temperature of desorption is 200-300 DEG C, preferably 220-250
℃；The pressure of desorption is 0.55-2MPa, preferably 1-1.5MPa.
4. administering method according to claim 3, wherein the condition of desorption further include: the volume space velocity of desorption is 50-
5000h-1, preferably 100-1000h-1；The period of desorption is 2-30min, preferably 5-20min.
5. administering method according to claim 1, wherein the condition of adsorption treatment includes: that volume space velocity is 100-
20000h-1, preferably 500-1000h-1；The period of adsorption treatment is 0.2-5h, preferably 0.5-2h.
6. administering method according to claim 1, wherein the volume space velocity of purging is 5-300h-1, preferably 20-200h-1；The period of purging is 2-30min, preferably 5-20min.
7. administering method according to claim 1, wherein the condition for the desorption air cooling that desorption and purging generate is made it
It is cooled to 50 DEG C or less.
8. a kind of administering method of petrifaction sewage treatment plant exhaust gas, which is characterized in that the improvement of the exhaust gas is in exhaust-gas treatment system
It is carried out in system, the exhaust treatment system includes: adsorption system and cooling system, and the adsorption system includes absorbing unit, solution
Inhale unit and purge unit；
The exhaust gas of collection is sent into adsorption system, exhaust gas, which contacts in absorbing unit with adsorbent, carries out adsorption treatment, the suction
Attached dose for can in catalysis oxidation waste gas decomposition pollutant adsorbent, preferably FCC dead catalyst, discharge pass through adsorption treatment
Gas up to standard afterwards；Inactivation adsorbent, which successively contacts in desorption unit with oxygen-containing gas, to be desorbed, and in purge unit
In purged, the temperature of desorption is greater than 180 DEG C, and the pressure of desorption is greater than 0.53MPa；
The stripping gas that desorption and purging generate is sent into cooling system to cool down, stripping gas after cooling is returned and exhaust gas one
Act the absorbing unit progress adsorption treatment for being sent into adsorption system.
9. administering method according to claim 8, wherein it is described can in catalysis oxidation waste gas decomposition pollutant absorption
Agent is FCC dead catalyst, and on the basis of the total weight of the FCC dead catalyst, the content of aluminum oxide is 45-55 weight
% is measured, the content of silica is 35-45 weight %, and the content of lanthana is 0.8-1.5 weight %, and the content of cerium oxide is
1.7-2.5 weight %, the content of nickel oxide are 0.5-2.5 weight %, and the content of vanadium dioxide is 0.3-1 weight %, three oxidations
The content of two iron is 0.5-2.5 weight %.
10. administering method according to claim 8 or claim 9, wherein the temperature of desorption is 200-300 DEG C, preferably 220-
250℃；The pressure of desorption is 0.55-2MPa, preferably 1-1.5MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898950.4A CN109569273A (en) | 2017-09-28 | 2017-09-28 | The administering method of petrifaction sewage treatment plant exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898950.4A CN109569273A (en) | 2017-09-28 | 2017-09-28 | The administering method of petrifaction sewage treatment plant exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109569273A true CN109569273A (en) | 2019-04-05 |
Family
ID=65913688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898950.4A Pending CN109569273A (en) | 2017-09-28 | 2017-09-28 | The administering method of petrifaction sewage treatment plant exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109569273A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1772347A (en) * | 2005-10-28 | 2006-05-17 | 东南大学 | Adsorption-low temperature plasma synchronized desulfuring and denitrifying apparatus and method |
| US7060236B2 (en) * | 2002-10-21 | 2006-06-13 | Yan Tsoung Y | Process for removing volatile organic compounds |
| US20060189481A1 (en) * | 2003-07-07 | 2006-08-24 | Instituto Mexicano Del Petroleo. | Obtaining multimetallic oxides derived from hydrotalcite type compounds |
| CN102000501A (en) * | 2010-10-22 | 2011-04-06 | 惠州市鼎晨实业发展有限公司 | Catalytic adsorption integrated equipment for treating organic waste gas |
| CN102631933A (en) * | 2011-02-14 | 2012-08-15 | 中国石油化工股份有限公司 | Catalyst for removing NO in smoke and preparation method thereof |
| CN102631838A (en) * | 2011-02-14 | 2012-08-15 | 中国石油化工股份有限公司 | Method for removing NO (nitric oxide) in flue gas |
| CN102728193A (en) * | 2012-06-15 | 2012-10-17 | 西安建筑科技大学 | Low temperature plasma integrated purification plant and method for industrial organic waste gas |
| CN104492433A (en) * | 2014-12-18 | 2015-04-08 | 太原科技大学 | Adsorption catalyst based on activated carbon felt base as well as preparation method and application of adsorption catalyst |
| CN105727928A (en) * | 2016-04-15 | 2016-07-06 | 安庆寰宜环保科技有限公司 | Desulfurization and denitration catalyst used for waste gas treatment and prepared from waste FCC catalyst and application of desulfurization and denitration catalyst |
| CN105833720A (en) * | 2016-06-08 | 2016-08-10 | 浙江奇彩环境科技股份有限公司 | Method for treating organic waste gases by utilizing rotary wheel |
| CN105999995A (en) * | 2016-07-14 | 2016-10-12 | 华南理工大学 | Efficient VOCs treatment double-runner device and manufacturing method thereof |
-
2017
- 2017-09-28 CN CN201710898950.4A patent/CN109569273A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7060236B2 (en) * | 2002-10-21 | 2006-06-13 | Yan Tsoung Y | Process for removing volatile organic compounds |
| US20060189481A1 (en) * | 2003-07-07 | 2006-08-24 | Instituto Mexicano Del Petroleo. | Obtaining multimetallic oxides derived from hydrotalcite type compounds |
| CN1772347A (en) * | 2005-10-28 | 2006-05-17 | 东南大学 | Adsorption-low temperature plasma synchronized desulfuring and denitrifying apparatus and method |
| CN102000501A (en) * | 2010-10-22 | 2011-04-06 | 惠州市鼎晨实业发展有限公司 | Catalytic adsorption integrated equipment for treating organic waste gas |
| CN102631933A (en) * | 2011-02-14 | 2012-08-15 | 中国石油化工股份有限公司 | Catalyst for removing NO in smoke and preparation method thereof |
| CN102631838A (en) * | 2011-02-14 | 2012-08-15 | 中国石油化工股份有限公司 | Method for removing NO (nitric oxide) in flue gas |
| CN102728193A (en) * | 2012-06-15 | 2012-10-17 | 西安建筑科技大学 | Low temperature plasma integrated purification plant and method for industrial organic waste gas |
| CN104492433A (en) * | 2014-12-18 | 2015-04-08 | 太原科技大学 | Adsorption catalyst based on activated carbon felt base as well as preparation method and application of adsorption catalyst |
| CN105727928A (en) * | 2016-04-15 | 2016-07-06 | 安庆寰宜环保科技有限公司 | Desulfurization and denitration catalyst used for waste gas treatment and prepared from waste FCC catalyst and application of desulfurization and denitration catalyst |
| CN105833720A (en) * | 2016-06-08 | 2016-08-10 | 浙江奇彩环境科技股份有限公司 | Method for treating organic waste gases by utilizing rotary wheel |
| CN105999995A (en) * | 2016-07-14 | 2016-10-12 | 华南理工大学 | Efficient VOCs treatment double-runner device and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 蒋维钧 主编: "《新型传质分离技术》", 31 October 1992, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208302463U (en) | A kind of VOCs exhaust gas advanced purification system | |
| CN110743313A (en) | Low-temperature flue gas adsorption denitration method | |
| CN1211276C (en) | CO2 purification system | |
| CN111151094A (en) | Regeneration and purification method for organic polluted waste gas | |
| CN104474879B (en) | A kind of double methods clashing into bed desulfurization denitration demercuration based on plant ash | |
| CN101222969B (en) | Method of purifying large quantity of exhaust gas containing dilute volatile hydrocarbon | |
| KR101196929B1 (en) | Apparatus of purifying large quantity of exhaust gas containing dilute volatile hydrocarbon | |
| WO2011114978A1 (en) | Method and device for treating gas discharged from a carbon dioxide recovery device | |
| KR101996411B1 (en) | Pulsed-heatable VOC removal catalyst system | |
| CN210699395U (en) | Low-temperature methanol purge gas-discharging desulfurization zero-emission system | |
| CN109569273A (en) | The administering method of petrifaction sewage treatment plant exhaust gas | |
| CN108745328B (en) | Regeneration method of volatile organic pollutant adsorbent | |
| CN113274863B (en) | High-concentration waste gas treatment equipment for sewage treatment tank of petrochemical plant | |
| CN212790409U (en) | Waste gas treatment device for coal chemical industry sewage treatment | |
| CN211837162U (en) | Movable device for treating VOC-containing waste gas | |
| CN109569266A (en) | The administering method of petrifaction sewage treatment plant exhaust gas | |
| JP2008068205A (en) | Method for cleaning large quantity of exhaust gas containing lean volatile hydrocarbon | |
| JP2004098014A (en) | Method for treating gas containing volatile organic compound | |
| CN110270193A (en) | A kind of VOCs exhaust gas deep-purifying method and system | |
| KR20210122943A (en) | Concentrated Oxidation Rotor For VOCs Treatment Executing Combination Process of Adsorption Process and Catalytic Oxidation Process | |
| CN110756013A (en) | Spray tower and method for treating VOCs (volatile organic compounds) by using same | |
| JP2005095858A (en) | Cleaning method of exhaust gas containing volatile hydrocarbon | |
| CN109464881A (en) | The method for purifying and recovering of coking exhaust gas | |
| CN221333421U (en) | Recycling system for storage tank zone unorganized exhaust gas | |
| JP3421923B2 (en) | Method for treating lean gaseous hydrocarbons contained in waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |