CN106219908A - A kind of organic sewage efficiently processes and carbon dioxide discharge-reduction method - Google Patents
A kind of organic sewage efficiently processes and carbon dioxide discharge-reduction method Download PDFInfo
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- CN106219908A CN106219908A CN201610839643.4A CN201610839643A CN106219908A CN 106219908 A CN106219908 A CN 106219908A CN 201610839643 A CN201610839643 A CN 201610839643A CN 106219908 A CN106219908 A CN 106219908A
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- carbon dioxide
- reduction method
- flue gas
- organic sewage
- dioxide discharge
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- 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
- B01D53/14—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 by absorption
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- 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
- B01D53/75—Multi-step processes
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
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- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a kind of organic sewage efficiently to process and carbon dioxide discharge-reduction method, comprise the following steps: with advanced oxidation processes, organic wastewater and flue gas are carried out pretreatment；It is 68 by the pH regulator of pretreated organic wastewater；Solvent absorption is used to process flue gas；Organic wastewater after above-mentioned process and flue gas are passed into utilizing works microalgae in bioreactor process；Wherein, described solvent is with ester type compound and aliphatic glycol compounds as raw material, temperature be 50 300 DEG C, pressure be 10 1000KPa and catalyst catalysis under, react 1 10h and prepare.The method efficiency is high, low cost, energy-saving and emission-reduction.
Description
Technical field:
The present invention relates to field of waste water treatment, be specifically related to a kind of organic sewage and efficiently process and carbon dioxide discharge-reduction side
Method.
Background technology:
Along with developing rapidly of brewing industry, substantial amounts of concentrated beer organic sewage produces therewith.Organic sewage processes
Traditional handicraft in the aerobic or anaerobic reactor used expend costliness, operation complexity, energy consumption is the highest.Microalgae processes organic dirt
The advantage that water has low cost, simple to operate, floor space is little, therefore suffers from more and more paying close attention to.Industry, transport, generate electricity
Cause the gas concentration lwevel in air to gradually rise etc. the fast development of industry, and accelerate global warming, bring to weather
Serious threat, the biological fixation efficiency of carbon dioxide exceeds again than terrestrial plant, therefore microalgae fixed dioxy by microalgae
Change carbon and process organic sewage, producing microalgae biomass three coupling simultaneously, be low cost, less energy consumption, a high efficiency, have
The technology of Development volue, but it is less to dioxide absorption capacity, and when causing it to process organic sewage, usage amount is too much, from
And add the processing cost of organic sewage.
Summary of the invention:
It is an object of the invention to provide a kind of organic sewage high-efficient treatment method and carbon dioxide discharge-reduction method, the method is imitated
Rate is high, and good sewage processing effect, solvent can well capture carbon dioxide, energy-saving and emission-reduction.
For achieving the above object, the present invention is by the following technical solutions:
A kind of organic sewage efficiently processes and carbon dioxide discharge-reduction method, comprises the following steps:
(1) with advanced oxidation processes, organic wastewater and flue gas are carried out pretreatment；
(2) it is 6-8 by the pH regulator of pretreated organic wastewater；
(3) flue gas use carbon dioxide absorption solvent process；
(4) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works microalgae
Reason；
Wherein, the carbon dioxide absorption solvent described in step (3) is with ester type compound and aliphatic glycol compounds
For raw material, temperature be 50-300 DEG C, pressure be 100-200KPa and catalyst catalysis under, reaction 1-10h prepares.
Preferred as technique scheme, in step (1), described advanced oxidation processes is supercritical water oxidation, high energy electricity
One or more in son radiation, ultrasonic oxidation and shock wave Hole oxidation are used in combination.
Preferred as technique scheme, in step (3), the molecular weight of described solvent is 190-370, and viscosity is 0.9-
6mPa s, density is 0.9-1.2g/cm3。
Preferred as technique scheme, described ester type compound is dimethyl carbonate, Ethyl methyl carbonate, carbonic acid diethyl
One or more mixing in ester, Allyl carbonate, dimethyl succinate, diethyl succinate.
Preferred as technique scheme, described aliphatic glycol compounds be the one in ethylene glycol, butanediol or
Two kinds of mixing.
Preferred as technique scheme, the mol ratio of described ester type compound and aliphatic glycol compounds is (1-
2): 1.
Preferred as technique scheme, described catalyst be the carbonate of sodium, the oxide of sodium, the alcoholates of sodium,
The hydroxide of sodium, the carbonate of potassium, the oxide of potassium, the alcoholates of potassium, the hydroxide of potassium, the carbonate of aluminum, the oxygen of aluminum
Compound, the hydroxide of aluminum, the alcoholates of aluminum, the oxide of zinc, titanium-containing compound, metallo-chelate, organo-tin compound
One or more mixing.
Preferred as technique scheme, described catalyst is one or more in tertiary ammonium salt, quaternary amine, pyridiniujm
Mixing.
Preferred as technique scheme, described catalyst is (0.01-2) with the mass ratio of ester type compound: (900-
1000)。
Preferred as technique scheme, the detailed process of described step (3) is: flue gas is passed into carbon dioxide and inhales
Receiving in tower, flue gas is entered by the bottom of tower, flows up through packing layer and contacts with the solvent flow down, and carbon dioxide is absorbed.
The method have the advantages that
The present invention uses the oxidation of engineering microalgae, high energy, the processing method that combines of chemical solvent absorption to process organic dirt
Water and flue gas, efficiency is high, low cost, non-secondary pollution, can effectively remove the harmful substance in sewage, and the present invention prepares
Carbon-dioxide absorbent is big to the absorptive capacity of carbon dioxide, and synthetic method is simple.
Detailed description of the invention:
In order to be better understood from the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
Release the present invention, the present invention will not be constituted any restriction.
Embodiment 1
Efficiently processing and carbon dioxide discharge-reduction method of a kind of organic sewage, comprises the following steps:
(1) with dimethyl carbonate and ethylene glycol as raw material, temperature be 80 DEG C, pressure be 100KPa and the urging of sodium carbonate
Under change, reaction 1h prepares carbon-dioxide absorbent, and wherein, the mol ratio of dimethyl carbonate and ethylene glycol is 1:1, sodium carbonate and carbon
The mass ratio of dimethyl phthalate is 0.01:900；
(2) using supercritical water oxidation method that organic wastewater and flue gas are carried out pretreatment, wherein treatment conditions are: face with super
Boundary's water is reaction medium, and temperature is higher than the critical temperature (374.3 DEG C) of water, and pressure is at more than 25MPa, with air as oxidant；
(3) it is 6-8 by the pH regulator of pretreated organic wastewater；
(4) being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through packing layer and flows down
Solvent contact, carbon dioxide is absorbed；
(5) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works spirulina
Reason.
Embodiment 2
Efficiently processing and carbon dioxide discharge-reduction method of a kind of organic sewage, comprises the following steps:
(1) with Ethyl methyl carbonate and ethylene glycol as raw material, temperature be 100 DEG C, pressure be 120KPa and sodium hydroxide
Catalysis under, reaction 2h prepare carbon-dioxide absorbent, wherein, the mol ratio of Ethyl methyl carbonate and ethylene glycol is 2:1, hydroxide
Sodium is 2:1000 with the mass ratio of Ethyl methyl carbonate；
(2) using ultrasonic oxidation method that organic wastewater and flue gas are carried out pretreatment, wherein treatment conditions are: the frequency of ultrasound wave
Rate is 100kHz；
(3) it is 6-8 by the pH regulator of pretreated organic wastewater；
(4) being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through packing layer and flows down
Solvent contact, carbon dioxide is absorbed；
(5) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works chlorella
Reason.
Embodiment 3
Efficiently processing and carbon dioxide discharge-reduction method of a kind of organic sewage, comprises the following steps:
(1) with diethyl carbonate and ethylene glycol as raw material, temperature be 150 DEG C, pressure be 140KPa and potassium carbonate
Under catalysis, reaction 4h prepares carbon-dioxide absorbent, and wherein, the mol ratio of diethyl carbonate and ethylene glycol is 1.2:1, potassium carbonate
It is 0.5:920 with the mass ratio of diethyl carbonate；
(2) using supercritical water oxidation method that organic wastewater and flue gas are carried out pretreatment, wherein treatment conditions are: face with super
Boundary's water is reaction medium, and temperature is higher than the critical temperature (374.3 DEG C) of water, and pressure is at more than 25MPa, with oxygen as oxidant；
(3) it is 6-8 by the pH regulator of pretreated organic wastewater；
(4) being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through packing layer and flows down
Solvent contact, carbon dioxide is absorbed；
(5) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works spirulina
Reason.
Embodiment 4
Efficiently processing and carbon dioxide discharge-reduction method of a kind of organic sewage, comprises the following steps:
(1) with Allyl carbonate and butanediol as raw material, temperature be 200 DEG C, pressure be 140KPa and aluminium hydroxide
Catalysis under, reaction 6h prepare carbon-dioxide absorbent, wherein, the mol ratio of Allyl carbonate and butanediol is 1.4:1, hydrogen-oxygen
The mass ratio changing aluminum and Allyl carbonate is 1:940；
(2) using supercritical water oxidation method that organic wastewater and flue gas are carried out pretreatment, wherein treatment conditions are: face with super
Boundary's water is reaction medium, and temperature is higher than the critical temperature (374.3 DEG C) of water, and pressure is at more than 25MPa, with hydrogen peroxide for oxidation
Agent；
(3) it is 6-8 by the pH regulator of pretreated organic wastewater；
(4) being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through packing layer and flows down
Solvent contact, carbon dioxide is absorbed；
(5) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works chlorella
Reason.
Embodiment 5
Efficiently processing and carbon dioxide discharge-reduction method of a kind of organic sewage, comprises the following steps:
(1) with dimethyl succinate and butanediol as raw material, temperature be 240 DEG C, pressure be 160KPa and zinc oxide
Catalysis under, reaction 8h prepare carbon-dioxide absorbent, wherein, the mol ratio of dimethyl succinate and butanediol is 1.6:1, oxygen
The mass ratio changing zinc and dimethyl succinate is 1.3:960；
(2) using ultrasonic oxidation method that organic wastewater and flue gas are carried out pretreatment, wherein treatment conditions are: the frequency of ultrasound wave
Rate is 100kHz；
(3) it is 6-8 by the pH regulator of pretreated organic wastewater；
(4) being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through packing layer and flows down
Solvent contact, carbon dioxide is absorbed；
(5) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works chlorella
Reason.
Embodiment 6
Efficiently processing and carbon dioxide discharge-reduction method of a kind of organic sewage, comprises the following steps:
(1) be raw material by diethyl succinate and butanediol, temperature be 270 DEG C, pressure be 180KPa and titanium oxide
Catalysis under, reaction 9h prepare carbon-dioxide absorbent, wherein, the mol ratio of diethyl succinate and butanediol is 1.8:1, oxygen
The mass ratio changing titanium and diethyl succinate is 1.8:980；
(2) using ultrasonic oxidation method that organic wastewater and flue gas are carried out pretreatment, wherein treatment conditions are: the frequency of ultrasound wave
Rate is 200kHz；
(3) it is 6-8 by the pH regulator of pretreated organic wastewater；
(4) being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through packing layer and flows down
Solvent contact, carbon dioxide is absorbed；
(5) organic wastewater after above-mentioned process and flue gas are passed in bioreactor at utilizing works salt alga
Reason.
Claims (10)
1. an organic sewage efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that comprise the following steps:
(1) with advanced oxidation processes, organic wastewater and flue gas are carried out pretreatment；
(2) it is 6-8 by the pH regulator of pretreated organic wastewater；
(3) flue gas use carbon dioxide absorption solvent process；
(4) organic wastewater after above-mentioned process and flue gas are passed into utilizing works microalgae in bioreactor to process；
Wherein, the carbon dioxide absorption solvent described in step (3) is to be former with ester type compound and aliphatic glycol compounds
Material, temperature be 50-300 DEG C, pressure be 100-200KPa and catalyst catalysis under, reaction 1-10h prepares.
2. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: step
(1), in, described advanced oxidation processes is in supercritical water oxidation, high energy electron irradiation, ultrasonic oxidation and shock wave Hole oxidation
One or more are used in combination.
3. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: step
(3) in, the molecular weight of described carbon dioxide absorption solvent is 190-370, and viscosity is 0.9-6mPa s, and density is 0.9-1.2g/
cm3。
4. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: described
Ester type compound is dimethyl carbonate, Ethyl methyl carbonate, diethyl carbonate, Allyl carbonate, dimethyl succinate, succinic acid two
One or more mixing in ethyl ester.
5. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: described
Aliphatic glycol compounds is one or both mixing in ethylene glycol, butanediol.
6. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: described
The mol ratio of ester type compound and aliphatic glycol compounds is (1-2): 1.
7. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: described
Catalyst be the carbonate of sodium, the oxide of sodium, the alcoholates of sodium, the hydroxide of sodium, the carbonate of potassium, the oxide of potassium,
The alcoholates of potassium, the hydroxide of potassium, the carbonate of aluminum, the oxide of aluminum, the hydroxide of aluminum, the alcoholates of aluminum, the oxygen of zinc
Compound, titanium-containing compound, metallo-chelate, one or more mixing of organo-tin compound.
8. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: described
Catalyst is one or more mixing in tertiary ammonium salt, quaternary amine, pyridiniujm.
9. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: described
Catalyst is (0.01-2) with the mass ratio of ester type compound: (900-1000).
10. a kind of organic sewage as claimed in claim 1 efficiently processes and carbon dioxide discharge-reduction method, it is characterised in that: institute
The detailed process stating step (3) is: being passed in carbon dioxide absorption tower by flue gas, flue gas is entered by the bottom of tower, flows up through and fills out
The bed of material contacts with the carbon dioxide absorption solvent flow down, and carbon dioxide is absorbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839643.4A CN106219908A (en) | 2016-09-21 | 2016-09-21 | A kind of organic sewage efficiently processes and carbon dioxide discharge-reduction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839643.4A CN106219908A (en) | 2016-09-21 | 2016-09-21 | A kind of organic sewage efficiently processes and carbon dioxide discharge-reduction method |
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| CN106219908A true CN106219908A (en) | 2016-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678303A (en) * | 2019-02-28 | 2019-04-26 | 重庆理工大学 | A kind of Efficient Conversion pollutant and the sewage water treatment method and system to recover energy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654313A (en) * | 2009-09-15 | 2010-02-24 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Method for utilizing advanced oxidation for carrying out pretreatment on sewage and culturing engineering microalgae for carrying out sewage deep treatment and carbon dioxide emission reduction |
| CN104107629A (en) * | 2014-08-04 | 2014-10-22 | 上海龙净环保科技工程有限公司 | System and method for capturing carbon dioxide in smoke |
| CN104556566A (en) * | 2014-12-23 | 2015-04-29 | 河南天冠生物燃料工程技术有限公司 | Method for culturing microalgae by using alcohol wastewater and fermentation exhaust |
| CN205398604U (en) * | 2016-02-24 | 2016-07-27 | 东方电气集团东方锅炉股份有限公司 | Recycle thermal power plant flue gas waste heat and carbon dioxide's device |
| CN105879583A (en) * | 2016-06-22 | 2016-08-24 | 清华大学 | Solvent for capturing CO2 and preparation method of solvent for capturing CO2 |
-
2016
- 2016-09-21 CN CN201610839643.4A patent/CN106219908A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654313A (en) * | 2009-09-15 | 2010-02-24 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Method for utilizing advanced oxidation for carrying out pretreatment on sewage and culturing engineering microalgae for carrying out sewage deep treatment and carbon dioxide emission reduction |
| CN104107629A (en) * | 2014-08-04 | 2014-10-22 | 上海龙净环保科技工程有限公司 | System and method for capturing carbon dioxide in smoke |
| CN104556566A (en) * | 2014-12-23 | 2015-04-29 | 河南天冠生物燃料工程技术有限公司 | Method for culturing microalgae by using alcohol wastewater and fermentation exhaust |
| CN205398604U (en) * | 2016-02-24 | 2016-07-27 | 东方电气集团东方锅炉股份有限公司 | Recycle thermal power plant flue gas waste heat and carbon dioxide's device |
| CN105879583A (en) * | 2016-06-22 | 2016-08-24 | 清华大学 | Solvent for capturing CO2 and preparation method of solvent for capturing CO2 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678303A (en) * | 2019-02-28 | 2019-04-26 | 重庆理工大学 | A kind of Efficient Conversion pollutant and the sewage water treatment method and system to recover energy |
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