CN103203181A - Method for removing harmful gas and heavy metal in carbon black tail gas - Google Patents
Method for removing harmful gas and heavy metal in carbon black tail gas Download PDFInfo
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- CN103203181A CN103203181A CN2013101138067A CN201310113806A CN103203181A CN 103203181 A CN103203181 A CN 103203181A CN 2013101138067 A CN2013101138067 A CN 2013101138067A CN 201310113806 A CN201310113806 A CN 201310113806A CN 103203181 A CN103203181 A CN 103203181A
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- carbon black
- yeast
- tail gas
- black tail
- heavy metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a method for removing harmful gas and heavy metal in carbon black tail gas. A catalyst is good in internal recycling effect, and long in service life. The method comprises the steps of: firstly, mixing deadwood, fallen leaves and yeast wastewater according to the ratio, and laying aside for 5-120 hours; taking out the deadwood and fallen leaves in the mixture when the CO2 content released in the mixture is lower than 120-180mg/kg.h; extruding and pelletizing by a squeezing granulator, forming (2-3mm)*(3-5mm) of particulate matters; drying the particulate matters in a microwave dryer and removing 60-80% of moisture; putting into a heat-tube GGH (gas-gas heater) packing chamber, stewing for 3-10 hours to activate in nitrogen of 200-350 DEG C; adding one or more of monopotassium phosphate KH2PO4, dipotassium phosphate K2HPO4, tripotassium phosphate K3PO4 or potassium pyrophosphate K4P2O7 to yeast wastewater, preparing modified yeast water; feeding the improved yeast water into the heat-tube GGH packing chamber at the flow speed of 0.2-0.6m/s from top to bottom, and removing the harmful gas and heavy metal in the carbon black tail gas by the cross action with high-temperature carbon black tail gas at 101-350 DEG C from bottom to top.
Description
Technical field
The present invention relates to a kind of pernicious gas SO in the carbon black tail gas that removes
2, NO, NO
2And the method for heavy metal.
Background technology
Coal tar heavy oil, coal tar pitch are the primary raw materials of organic chemical industry's productions such as carbon black, carbon fiber.Rationally utilize and be rich in CO, H
2, C
nH
2n+2The carbon black tail gas of calorific value is one of Energy-saving Measures in cogeneration, and effectively handles, and reduces to contain SO simultaneously
2, NO, NO
2And the discharging of the carbon black tail gas of heavy metal, to environmental protection, prevent the positive role that is formed with of haze.The patent No. is 200710045443.2 Chinese invention patent, utilizes humates simultaneously desulfurizing and denitrating to produce compound fertilizer, has accomplished maximum reduction of discharging from the comprehensive utilization angle; The patent No. is 200910053740.0 Chinese invention patent, utilize integrated coupling device for flue gas desulfurization and dedusting to consider to reduce the pollution problem of powder particulate in desulfurization, but the function that reduces discharging relatively is still few; Application number is 200610028333.0 Chinese patent, and mercury removal for smoke desulfurizing system by fortified wetting has removed the subsidiary mercury metal ion of flue gas in desulfurization.The subject matter that prior art exists is the reaction unit complexity, and recycling effect is relatively poor in the catalyst, and catalyst is short service life, the cost height.
Summary of the invention
The present invention seeks to overcome the deficiency of above-mentioned prior art, a kind of reaction unit that provides is simple, the method that removes pernicious gas and heavy metal in the carbon black tail gas of recycling effective, long service life in the catalyst.
The concrete steps of the inventive method are:
(1) yeast wastewater of deadwood, fallen leaves and the beer production association weight ratio by 0.01-0.02:0.01-63.00:36.00-99.98 is mixed, under 0～70 ℃, place 5～120 hours (h) and carry out biochemical reaction;
Yeast wastewater according to component and the content of weight percent meter is: phenol 0.01-0.20%, diatomite 0.01-0.15%, yeast protein 0.01-0.25%, cellulose 0.01-0.10%, potassium dihydrogen phosphate 0.1-0.9%, water 98.40-99.86%; Above-mentioned each composition weight sum is 100%;
(2) measure rotten degree, the CO that discharges in the thing to be mixed
2When amount is lower than 120-180mg/kg.h, the dry branches and fallen leaves in the mixture is taken out, under 0.5-3.3MPa pressure, by the Squeezinggranulator extruder grain, form the particle of 2-3mmX3-5mm;
(3) under 80-200 ℃, with this particle dry 0.2-1.5 hour (h) in microwave dryer, slough 60-80% moisture in the particle;
(4) particle is put into the packing cavity of heat pipe-type GGH, under 200-350 ℃ of blanket of nitrogen, left standstill 3-10 h and carry out activation processing, just become nucleocapsid catalyst;
(5) in yeast wastewater, add potassium dihydrogen phosphate KH according to weight ratio 93.90-99.24:0.76-6.10
2PO
4, dipotassium hydrogen phosphate K
2HPO
4, tripotassium phosphate K
3PO
4Or potassium pyrophosphate K
4P
2O
7In one or more, make the upgrading yeast water; This upgrading yeast water according to component and the content of weight percent meter is: phenol 0.01-0.20%, diatomite 0.01-0.15%, yeast protein 0.01-0.25%, cellulose 0.01-0.10%, potassium dihydrogen phosphate 0.10-0.90%, potassium pyrophosphate 0.05-2.50%, ammoniacal liquor (NH
3.H
2O) 0.50-1.50%, complexing agent (EDTA) 0.10-0.50, water 96.4-98.8%; Above-mentioned each composition weight sum is 100%;
(6) the upgrading yeast water from top to bottom enters the packing cavity of heat pipe-type GGH with the flow velocity of 0.2-0.6 m/s, 101 ℃～350 ℃ high temperature carbon black tail gas cross action with from bottom to top can remove pernicious gas sulfur dioxide, nitric oxide, nitrogen dioxide and heavy metal in most of carbon black tail gas.
It is Squeezinggranulator that Squeezinggranulator adopts ZDYQ-.Microwave dryer adopts the WMG microwave dryer.Described heat pipe-type GGH is vertical, in the packing cavity of L-WD110880G, XTC sensor control is housed.
Both sides up and down at the packing cavity of heat pipe-type GGH are separately installed with TC-KB orifice flowmeter and RXDC type moment formula intelligent flow meter, are respectively applied to control the flow velocity of upgrading yeast water and high temperature carbon black tail gas.
Can measure the rotten degree of deadwood, fallen leaves by weight-loss method or Polythene Bag method.The waste water that produces in dry branches and fallen leaves extruder grain process can be incorporated into and continues in the yeast wastewater to recycle.
The multiple natural Organic Ingredients such as hydroxyl-OH, carboxyl-COOH, methine-CH2, methylene-CH, cycloalkyl that contains cellulose, hemicellulose, lignin, nitrogen, phosphorus element, potassium element and framework thereof in deadwood, fallen leaves, yeast wastewater, the upgrading yeast water is made catalyst, can effectively remove pernicious gas SO in the carbon black tail gas
2, NO, NO
2Deng, desulfurization removing heavy-metal phosphorus, potassium etc. make the carbon black tail gas that enters continuously realize qualified discharge.The inventive method and prior art and classical lime-gypsum flue gas desulfurization are compared, and it is simple to have a reaction unit, recycling effective in the catalyst, long service life, serialization level of application advantages of higher.Heavy metal in the flue gas has trace copper, iron, arsenic, aluminium, mercury, manganese usually, and lead etc. utilize the inventive method removal effect better.
The specific embodiment
Embodiment 1: the yeast wastewater of beer production association according to component and the content of weight percent meter is: phenol 0.015%, diatomite 0.01%, yeast protein 0.20%, cellulose 0.05%, potassium dihydrogen phosphate 0.5%, water 99.225%.
Deadwood, fallen leaves and the yeast wastewater weight ratio by 0.015:30.00:69.985 is mixed, at 30 ℃, place 72 h and carry out biochemical reaction.
Adopt weight-loss method to carry out rotten degree and measure the CO that discharges in the thing to be mixed
2When amount is lower than 150mg/kg.h, the dry branches and fallen leaves in the mixture is taken out, under 2.5MPa pressure, by the Squeezinggranulator extruder grain, form the particle of 2mmX3mm size.
Under 130 ℃, above-mentioned particle is placed the dry 0.25h of microwave dryer, can slough in the particle 75% moisture.
Put into the packing cavity of heat pipe-type GGH, under blanket of nitrogen, leave standstill 5 h at 330 ℃ and carry out activation processing, become nucleocapsid catalyst.
In yeast wastewater, add potassium dihydrogen phosphate KH according to weight ratio 96.8:3.2
2PO
4, dipotassium hydrogen phosphate K
2HPO
4, tripotassium phosphate K
3PO
4Or potassium pyrophosphate K
4P
2O
7In one or more, make the upgrading yeast water; This upgrading yeast water main component and content by weight percentage is: phenol 0.09%, diatomite 0.08%, yeast protein 0.19%, cellulose 0.02%, potassium dihydrogen phosphate 0.60%, potassium pyrophosphate 0.05%, ammoniacal liquor (NH
3.H
2O) 1.10%, (EDTA) 0.15%, all the other 97.72% are water to complexing agent.
The upgrading yeast water from top to bottom enters the packing cavity of heat pipe-type GGH with the flow velocity of 0.3 m/s, 200 ℃ high temperature carbon black tail gas cross action with from bottom to top removes pernicious gas sulfur dioxide, nitric oxide, nitrogen dioxide and heavy metal in the carbon black tail gas.Analyze SO through Switzerland's 811 Online IC ion instrument
2-NO-NO
2And the removal efficiency of heavy metal is respectively 85%, 75%, 86%, 70%.
Embodiment 2: the yeast wastewater of beer production association according to component and the content of weight percent meter is: phenol 0.017%, diatomite 0.012%, yeast protein 0.15%, cellulose 0.10%, potassium dihydrogen phosphate 0.8%, water 98.921%.
Deadwood, fallen leaves and the yeast wastewater weight ratio by 0.02:25.00:74.88 is mixed, under 37 ℃, place 65 h and carry out biochemical reaction.
Adopt weight-loss method to carry out rotten degree and measure the CO that discharges in the thing to be mixed
2When amount is lower than 180mg/kg.h, the dry branches and fallen leaves in the mixture is taken out, under 3.0MPa pressure, by the Squeezinggranulator extruder grain, form the particle of 2mmX5mm.
Under 150 ℃, with above-mentioned particle dry 0.20h in microwave dryer, slough in the particle 80% moisture.
Put into the packing cavity of heat pipe-type GGH, under blanket of nitrogen, leave standstill 6 h at 350 ℃ and carry out activation processing, become nucleocapsid catalyst.
In yeast wastewater, add potassium dihydrogen phosphate KH according to weight ratio 96.8:3.2
2PO
4, dipotassium hydrogen phosphate K
2HPO
4, tripotassium phosphate K
3PO
4Or potassium pyrophosphate K
4P
2O
7In one or more, make the upgrading yeast water; This upgrading yeast water main component and content by weight percentage is: phenol 0.11%, diatomite 0.05%, yeast protein 0.10%, cellulose 0.03%, potassium dihydrogen phosphate 0.30%, potassium pyrophosphate 0.10%, ammoniacal liquor (NH
3.H
2O) 1.50%, (EDTA) 0.12%, all the other 97.69% are water to complexing agent.
The upgrading yeast water from top to bottom enters the packing cavity of heat pipe-type GGH with the flow velocity of 0.5 m/s, 180 ℃ high temperature carbon black tail gas cross action with from bottom to top removes pernicious gas sulfur dioxide, nitric oxide, nitrogen dioxide and heavy metal in the carbon black tail gas.Analyze SO through Switzerland's 811 Online IC ion instrument
2-NO-NO
2And the removal efficiency of heavy metal is respectively 82%, 78%, 88%, 72%.
Embodiment 3: the yeast wastewater of beer production association according to component and the content of weight percent meter is: phenol 0.01%, diatomite 0.02%, yeast protein 0.25%, cellulose 0.15%, potassium dihydrogen phosphate 0.8%, water 98.77%.
Deadwood, fallen leaves and the yeast wastewater weight ratio by 0.01:39.00:60.99 is mixed, under 25 ℃, place 92 h and carry out biochemical reaction.
Adopt the Polythene Bag method to carry out rotten degree and measure the CO that discharges in the thing to be mixed
2When amount is lower than 120mg/kg.h, the dry branches and fallen leaves in the mixture is taken out, under 2.9MPa pressure, by the Squeezinggranulator extruder grain, form the particle of 3mmX3mm.
Under 120 ℃, with this particle dry 0.35h in microwave dryer, slough in the particle 70% moisture.
Put into the packing cavity of heat pipe-type GGH, under blanket of nitrogen, leave standstill 3 h at 350 ℃ and carry out activation processing, become nucleocapsid catalyst.
In yeast wastewater, add potassium dihydrogen phosphate KH according to weight ratio 97.1:2.9
2PO
4, dipotassium hydrogen phosphate K
2HPO
4, tripotassium phosphate K
3PO
4Or potassium pyrophosphate K
4P
2O
7In one or more, make the upgrading yeast water; This upgrading yeast water component and content by weight percentage is: phenol 0.16%, diatomite 0.03%, yeast protein 0.20%, cellulose 0.12%, potassium dihydrogen phosphate 0.49%, potassium pyrophosphate 0.15%, ammoniacal liquor (NH
3.H
2O) 1.50%, (EDTA) 0.20 %, all the other 97.15% are water to complexing agent.
The upgrading yeast water from top to bottom enters the packing cavity of heat pipe-type GGH with the flow velocity of 0.20 m/s, 250 ℃ high temperature carbon black tail gas cross action with from bottom to top removes pernicious gas sulfur dioxide, nitric oxide, nitrogen dioxide and heavy metal in the carbon black tail gas.Analyze SO through Switzerland's 811 Online IC ion instrument
2-NO-NO
2And the removal efficiency of heavy metal is respectively 88%, 80%, 85%, 73%.
Claims (5)
1. method that removes pernicious gas and heavy metal in the carbon black tail gas is characterized in that:
(1) yeast wastewater of deadwood, fallen leaves and the beer production association weight ratio by 0.01-0.02:0.01-63.00:36.00-99.98 is mixed, under 0～70 ℃, place 5～120 h and carry out biochemical reaction;
Yeast wastewater according to component and the content of weight percent meter is: phenol 0.01-0.20%, diatomite 0.01-0.15%, yeast protein 0.01-0.25%, cellulose 0.01-0.10%, potassium dihydrogen phosphate 0.1-0.9%, water 98.40-99.86%; Above-mentioned each composition weight sum is 100%;
(2) measure rotten degree, the CO that discharges in the thing to be mixed
2When amount is lower than 120-180mg/kg.h, the dry branches and fallen leaves in the mixture is taken out, under 0.5-3.3MPa pressure, by the Squeezinggranulator extruder grain, form the particle of 2-3mmX3-5mm size;
(3) under 80-200 ℃, above-mentioned particle is placed the dry 0.2-1.5h of microwave dryer, slough 60-80% moisture in the particle;
(4) particle is put into the packing cavity of heat pipe-type GGH, under 200-350 ℃ of blanket of nitrogen, left standstill 3-10 h and carry out activation processing, just become nucleocapsid catalyst;
(5) in yeast wastewater, add potassium dihydrogen phosphate KH according to weight ratio 93.90-99.24:0.76-6.10
2PO
4, dipotassium hydrogen phosphate K
2HPO
4, tripotassium phosphate K
3PO
4Or potassium pyrophosphate K4P
2O
7In one or more, make the upgrading yeast water; This upgrading yeast water according to component and the content of weight percent meter is: phenol 0.01-0.20%, diatomite 0.01-0.15%, yeast protein 0.01-0.25%, cellulose 0.01-0.10%, potassium dihydrogen phosphate 0.10-0.90%, potassium pyrophosphate 0.05-2.50%, ammoniacal liquor (NH3.H2O) 0.50-1.50%, complexing agent (EDTA) 0.10-0.50, water 96.4-98.8%; Above-mentioned each composition weight sum is 100%;
(6) the upgrading yeast water from top to bottom enters the packing cavity of heat pipe-type GGH with the flow velocity of 0.2-0.6 m/s, 101 ℃～350 ℃ high temperature carbon black tail gas cross action with from bottom to top removes pernicious gas sulfur dioxide, nitric oxide, nitrogen dioxide and heavy metal in the carbon black tail gas.
2. the method that removes pernicious gas and heavy metal in the carbon black tail gas as claimed in claim 1 is characterized in that described heat pipe-type GGH is vertical, in the packing cavity of L-WD110880G, the control of XTC sensor is housed.
3. the method that removes pernicious gas and heavy metal in the carbon black tail gas as claimed in claim 1 is characterized in that being separately installed with in the both sides up and down of the packing cavity of heat pipe-type GGH for the TC-KB profiled orifice plate flowmeter of control upgrading yeast water flow velocity and is used for the RXDC type moment formula intelligent flow meter of control pyrocarbon black tail gas velocity.
4. the method that removes pernicious gas and heavy metal in the carbon black tail gas as claimed in claim 1 is characterized in that adopting weight-loss method or Polythene Bag method to measure the rotten degree of deadwood, fallen leaves.
5. the method that removes pernicious gas and heavy metal in the carbon black tail gas as claimed in claim 1 is characterized in that the waste water that produces is incorporated in the yeast wastewater to recycle in dry branches and fallen leaves extruder grain process.
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| CN201310113806.7A CN103203181B (en) | 2013-04-03 | 2013-04-03 | Method for removing harmful gas and heavy metal in carbon black tail gas |
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| CN103203181B CN103203181B (en) | 2014-11-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075651A (en) * | 2019-04-30 | 2019-08-02 | 重庆岩昱节能科技有限公司 | Carbon black tail gas internal combustion engine electricity-generating method |
| CN117285031A (en) * | 2023-11-24 | 2023-12-26 | 烁元新材料(东营)股份有限公司 | Device for manufacturing carbon nanomaterial by utilizing carbon black tail gas |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05154353A (en) * | 1991-12-04 | 1993-06-22 | Mitsubishi Gas Chem Co Inc | Method for removing nitrogen oxide |
| WO2003084645A1 (en) * | 2002-04-08 | 2003-10-16 | Akzo Nobel N.V. | Method for removing a nitrogen oxide from a gas |
| CN101280284A (en) * | 2008-05-19 | 2008-10-08 | 天津大学 | Microbial nutrient solution, simultaneous removing method and device for SO2 and NO2 in industrial waste gas |
| CN101884876A (en) * | 2010-07-23 | 2010-11-17 | 华东理工大学 | Desulfurization, denitrification and carbon reduction agent and preparation method and application thereof |
-
2013
- 2013-04-03 CN CN201310113806.7A patent/CN103203181B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05154353A (en) * | 1991-12-04 | 1993-06-22 | Mitsubishi Gas Chem Co Inc | Method for removing nitrogen oxide |
| WO2003084645A1 (en) * | 2002-04-08 | 2003-10-16 | Akzo Nobel N.V. | Method for removing a nitrogen oxide from a gas |
| CN101280284A (en) * | 2008-05-19 | 2008-10-08 | 天津大学 | Microbial nutrient solution, simultaneous removing method and device for SO2 and NO2 in industrial waste gas |
| CN101884876A (en) * | 2010-07-23 | 2010-11-17 | 华东理工大学 | Desulfurization, denitrification and carbon reduction agent and preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075651A (en) * | 2019-04-30 | 2019-08-02 | 重庆岩昱节能科技有限公司 | Carbon black tail gas internal combustion engine electricity-generating method |
| CN117285031A (en) * | 2023-11-24 | 2023-12-26 | 烁元新材料(东营)股份有限公司 | Device for manufacturing carbon nanomaterial by utilizing carbon black tail gas |
| CN117285031B (en) * | 2023-11-24 | 2024-01-30 | 烁元新材料(东营)股份有限公司 | Device for manufacturing carbon nanomaterial by utilizing carbon black tail gas |
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|---|---|
| CN103203181B (en) | 2014-11-05 |
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