CN104054526B - A kind of change chlorophyllous method of green plants and application thereof - Google Patents
A kind of change chlorophyllous method of green plants and application thereof Download PDFInfo
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- CN104054526B CN104054526B CN201410128208.1A CN201410128208A CN104054526B CN 104054526 B CN104054526 B CN 104054526B CN 201410128208 A CN201410128208 A CN 201410128208A CN 104054526 B CN104054526 B CN 104054526B
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Abstract
The present invention relates to a kind of the change chlorophyllous method of green plants and application thereof, after acid ferrous iron solution is mixed with organic monoacid, spray or be sprayed on the blade face of green plants. The present invention utilizes the sulfur dioxide in industrial waste gas or flue gas that ferric iron is changed into ferrous iron, then the central atom of ferrous iron and chlorophyll porphyrin ring structure is replaced, form ferrous de-magnesium pheophytin, thereby make green plants in the situation that illumination is weak, also can carry out photosynthesis, both can remove the harm of sulfur dioxide, also can reach the object purifying air; The method efficiency that the present invention removes sulfur dioxide is high, and power consumption is few, and cost is low, really realizes energy-saving and emission-reduction, turns waste into wealth.
Description
Technical field
The present invention relates to a kind of chlorophyllous method of change green plants of removing industrial waste gas or sulfur dioxide in flue gasAnd application.
Background technology
In the gas that mineral matter fuel combustion generates, containing harmful components oxysulfide, is mainly wherein sulfur dioxide and micro-The sulfur trioxide of amount. Sulfur dioxide is easily absorbed and generates sulfurous acid or sulfuric acid by moistening mucomembranous surface, to eye and respiratory mucosaHave strong impulse effect, sulfur dioxide is sucked after respiratory tract, because of soluble in water, therefore major part is arrested in breathing by human bodyRoad. On moistening mucous membrane, generate and have corrosive sulfurous acid, a part and then be oxidized to sulfuric acid, strengthens spread effect,If the sulfur dioxide that human body inhaled concentration every day is 100ppm, after 8h will there is significantly stimulating disease in bronchus and lungShape, comes to harm lung tissue. In nonferrous metallurgical process, not only produce sulfur dioxide gas, also can produce a large amount of powderDirt. The synergy of sulfur dioxide and dust, to the industrial healthy great infringement that caused. Because sulfur dioxideEnter human lung's deep layer with floating dust aerosol particles, toxicity will increase by 3～4 times, cause alveolus wall fibroplasia. If increasedRaw scope involves extensively, forms lung fibroid and becomes, and development goes down to make lung fibrous fracture to form pulmonary emphysema.
A large amount of sulfur dioxide (SO2) emissions are the main causes that cause atmosphere acid rain, China Environmental State Bulletin statistics in 2006Data show, China's Urban Acid Rain pollution level increases the weight of to some extent in recent years.
Domestic and international application desulfur technology approach has three kinds: desulfurization and flue gas desulfurization in desulfurization before burning, burning. Wherein, cigaretteDesulfurization is considered to the most effective method, but also has many shortcomings as huge in equipment, and floor space is large, water consumptionGreatly, and have a secondary pollution.
Green plants can effectively absorb poison gas, purify air, its be mainly undertaken by chlorophyll photosynthetic used, Ye LvElement molecule is dimeric: core is a porphyrin ring (porphyrinring), and its function is light absorption; SeparatelyA part is a very long aliphatic hydrocarbon side chain, is called phytol (phytol), and chlorophyll is inserted into thylakoid with this side chainFilm. Different from the heme group of iron content, in chlorophyll porphyrin ring, contain a magnesium atom. Chlorophyll molecule passes through porphyrinIn ring, the change of singly-bound and two keys absorbs visible ray.
Summary of the invention
The object of the invention is in order to solve existing desulfur technology equipment hugely, floor space is large, and water consumption is large, and depositsIn the defect of secondary pollution and provide that a kind of desulfuration efficiency is high, the chlorophyllous method of change green plants of environmental protection.
Another object of the present invention is for a kind of application that changes the chlorophyllous method of green plants is provided.
To achieve these goals, the present invention is by the following technical solutions:
A kind of chlorophyllous method of green plants that changes, spray or spray after acid ferrous iron solution is mixed with organic monoacidBe sprinkled upon on the blade face of green plants. In the technical program, utilize divalence ferrous ion displacement chlorophyll porphyrin ring structure inHeart atomic magnesium, to form ferrous de-magnesium pheophytin, thereby makes green plants proceed photosynthetic work in the lower dusk of illuminationWith, to purify air, absorbing carbon dioxide, improves indoor and outdoor environment.
As preferably, described acid ferrous iron solution is molten with the sulfur dioxide in industrial waste gas or flue gas and acid ferric ironLiquid is that raw material is prepared from. In the technical program, utilize acid ferric iron solution to carry out sulfur dioxide absorption, can effectively goExcept the sulfur dioxide in industrial waste gas or flue gas, the ferrous ion of production can be used for again spray or is sprayed at green plants blade faceUpper, to replace the central atom magnesium in chlorophyll porphyrin ring structure, make green plants in the situation that illumination is weak, continue intoRow photosynthesis.
As preferably, the flue gas that contains sulfur dioxide or industrial waste gas are passed in acid ferric iron solution, normal pressure,At 25-100 DEG C, react 2-5h.
As preferably, acid ferric iron solution comprises ferric chloride solution or ferrum sulfuricum oxydatum solutum, ferric iron solution in solutionConcentration is 4.5-6mol/L, in acid ferric iron solution, has also added hydrogen peroxide and active carbon, adds the end of rear hydrogen peroxideConcentration is 1-2.4mol/L, and the addition of active carbon is the 0.5-1.5% of the gross mass of acid ferric iron solution. This technical sideIn case, the adding of hydrogen peroxide, be in order to provide better oxidisability allow the passable generation sulfate ion of sulfur dioxide, and alsoBe not to produce sulfite ion, adding of active carbon is on the one hand in order to adsorb other impurity in industrial waste gas, the opposing partyFace is in order to allow sulfur dioxide better generate sulfate ion.
As preferably, described organic monoacid is selected from the one in acetic acid, malic acid, laurate.
As preferably, in acid ferrous iron solution, the concentration of acid ferrous ion is 0.1-0.45mol/L, organic a little less thanAcid accounts for the 0.5-5% of acid ferrous iron solution gross mass.
As preferably, the flue gas that contains sulfur dioxide or industrial waste gas before passing into acid ferric iron solution first at 10-At 20 DEG C, cross molecular sieve. In the technical program, in industrial waste gas or flue gas, can contain some tiny solid particle and temperatureHigher, crossing molecular sieve can adsorb these tiny solid particles effectively, thereby accelerates the conversion of sulfur dioxide, at 10-20At DEG C, sieving, is first to lower the temperature, and sulfur dioxide can not affected because of excess Temperature in acid ferric iron solutionReaction efficiency.
Change an application for the chlorophyllous method of green plants, after acid ferrous iron solution is mixed with organic monoacid,Spray or spray the leaf surfaces in green plants every 15-45min, spraying number of times 3-5 time, the plant after sprinkling or spray is putBe placed in indoor or outdoors.
As preferably, green plants is selected the large plant in blade face.
As preferably, spray or time 2 point-5 points in the afternoon of spray.
The invention has the beneficial effects as follows 1) utilize the sulfur dioxide in industrial waste gas or flue gas that ferric iron is changed into divalenceIron, then replaces the central atom of ferrous iron and chlorophyll porphyrin ring structure, forms ferrous de-magnesium pheophytin, thereby makesObtain green plants and also can carry out photosynthesis in the situation that illumination is weak, the harm that both can remove sulfur dioxide, also canTo reach the object purifying air;
2) to remove the method efficiency of sulfur dioxide high in the present invention, and power consumption is few, and cost is low, really realizes energy-saving and emission-reduction, becomesGive up as treasured;
3) the present invention is advocating under the trend of environmental protection, and a kind of practical, side of removing the waste gas of one of three wastes is providedMethod, plays a good role for purifying air.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further explained:
In the present invention, if not refer in particular to, the raw material adopting all can be buied from market or this area is conventional, following enforcementMethod in example, if no special instructions, is the conventional method of this area.
Embodiment 1
The flue gas that contains sulfur dioxide or industrial waste gas are crossed to molecular sieve at 10 DEG C, to remove in flue gas or industrial waste gasThe tiny solid particle containing by flue gas or industrial waste gas cooling, then will have been crossed flue gas or the industrial waste gas of molecular sieve simultaneouslyPass in the ferrum sulfuricum oxydatum solutum of 4.5mol/L, at normal pressure, 25 DEG C, react 2 hours, wherein, in ferrum sulfuricum oxydatum solutum, also added mistakeHydrogen oxide and active carbon, the final concentration of hydrogen peroxide is 1mol/L, the addition of active carbon is 0.5% of ferrum sulfuricum oxydatum solutum total amount.
The ferrous sulfate after having reacted, reaction having been obtained separates by conventional means with sulfuric acid, separates the ferrous sulfate obtainingBe mixed with the copperas solution of 0.1mol/L, and in copperas solution, add and account for copperas solution gross mass 0.5%Acetic acid, after mixing, 2 point-5 are sprayed on the blade face of green plants ligustrum lucidum ait in the afternoon, spray once every 15min,Spray number of times 3 times.
Embodiment 2
The flue gas that contains sulfur dioxide or industrial waste gas are crossed to molecular sieve at 15 DEG C, to remove in flue gas or industrial waste gasThe tiny solid particle containing by flue gas or industrial waste gas cooling, then will have been crossed flue gas or the industrial waste gas of molecular sieve simultaneouslyPass in the ferrum sulfuricum oxydatum solutum of 5mol/L, at normal pressure, 50 DEG C, react 3 hours, wherein, in ferrum sulfuricum oxydatum solutum, also added peroxideChange hydrogen and active carbon, the final concentration of hydrogen peroxide is 1.6mol/L, and the addition of active carbon is 1.2% of ferrum sulfuricum oxydatum solutum total amount.
The ferrous sulfate after having reacted, reaction having been obtained separates by conventional means with sulfuric acid, separates the ferrous sulfate obtainingBe mixed with the copperas solution of 0.28mol/L, and in copperas solution, add and account for copperas solution gross mass 2%Laurate, after mixing, 2 point-5 are sprayed on the blade face of green plants aloe in the afternoon, spray once spray every 30minSpill number of times 4 times.
Embodiment 3
The flue gas that contains sulfur dioxide or industrial waste gas are crossed to molecular sieve at 20 DEG C, to remove in flue gas or industrial waste gasThe tiny solid particle containing by flue gas or industrial waste gas cooling, then will have been crossed flue gas or the industrial waste gas of molecular sieve simultaneouslyPass in the ferrum sulfuricum oxydatum solutum of 6mol/L, at normal pressure, 100 DEG C, react 5 hours, wherein, in ferrum sulfuricum oxydatum solutum, also added mistakeHydrogen oxide and active carbon, the final concentration of hydrogen peroxide is 2.4mol/L, the addition of active carbon is ferrum sulfuricum oxydatum solutum total amount1.5%。
The ferrous sulfate after having reacted, reaction having been obtained separates by conventional means with sulfuric acid, separates the ferrous sulfate obtainingBe mixed with the copperas solution of 0.45mol/L, and in copperas solution, add and account for copperas solution gross mass 5%Malic acid, after mixing, 2 point-5 are sprayed on the blade face of green plants Monstera deliciosa in the afternoon, spray once every 45min,Spray number of times 5 times.
Comparative example 1, green plants is selected ligustrum lucidum ait, but do not spray on blade face, to mix the ferrous sulfate of acetic acid moltenLiquid.
Comparative example 2, green plants is selected aloe, mixes lauric copperas solution but do not spray on blade face.
Comparative example 3, green plants is selected Monstera deliciosa, but do not spray on blade face, to mix the ferrous sulfate of malic acid moltenLiquid.
Prepare 6 rooms that dark is airtight, and number 1-6, keeping gas concentration lwevel in each room is 550ppm, temperatureSpending constant is 25 DEG C, and the green plants of embodiment 1-3 having been sprayed to the copperas solution that has mixed organic monoacid is positioned over 1-3In number room, the green plants of comparative example 1-3 is positioned in 4-6 room, No. 1 and No. 4 room is irradiated to the light of 15lux,No. 2 and No. 5 room are irradiated to the light of 10lux, No. 3 and No. 6 room are irradiated to the light of 5lux, 2 hours and measure 1-6 after 4 hoursGas concentration lwevel in number room, the results are shown in Table 1.
Table 1, testing result
| No. 1 room | No. 2 room | No. 3 room | No. 4 room | No. 5 room | No. 6 room 3 --> | |
| Initial gas concentration lwevel/ppm | 550 | 550 | 550 | 550 | 550 | 550 |
| Gas concentration lwevel/ppm after 2 hours | 347 | 355 | 381 | 521 | 519 | 537 |
| Gas concentration lwevel/ppm after 4 hours | 157 | 164 | 171 | 479 | 480 | 503 |
As can be seen from Table 1, the green plants of embodiment 1-3 still can carry out photosynthesis fast under low light shines,And the photosynthesis of plant of comparative example 1-3 is lower, illustrate that the present invention utilizes sulfur dioxide in industrial waste gas or flue gas by threeValency iron changes into ferrous iron, then the central atom of ferrous iron and chlorophyll porphyrin ring structure is replaced, and forms ferrous iron and goesMagnesium pheophytin, thus make green plants also can carry out photosynthesis in the situation that illumination is weak, both can remove dioxyChange the harm of sulphur, also can reach the object purifying air; The method efficiency that the present invention removes sulfur dioxide is high, and power consumption is few,Cost is low, really realizes energy-saving and emission-reduction, turns waste into wealth.
Claims (7)
1. change the chlorophyllous method of green plants, it is characterized in that, acid ferrous iron solution is mixed with organic monoacidRear spray or be sprayed on the blade face of green plants, in acid ferrous iron solution, the concentration of acid ferrous ion is 0.1-0.45mol/L, organic monoacid accounts for the 0.5-5% of acid ferrous iron solution gross mass; By the flue gas that contains sulfur dioxide or Industry WasteGas passes in acid ferric iron solution, at normal pressure, 25-100 DEG C, reacts 2-5h; Acid ferric iron solution comprises ferric chloride solutionOr ferrum sulfuricum oxydatum solutum, in solution, the concentration of ferric ion is 4.5-6mol/L, in acid ferric iron solution, has also added peroxideChange hydrogen and active carbon, the final concentration that adds rear hydrogen peroxide is 1-2.4mol/L, and the addition of active carbon is that acid ferric iron is moltenThe 0.5-1.5% of the gross mass of liquid.
2. a kind of chlorophyllous method of green plants that changes according to claim 1, is characterized in that described acid divalenceFerrous solution is prepared from taking the sulfur dioxide in industrial waste gas or flue gas and acid ferric iron solution as raw material.
3. a kind of chlorophyllous method of green plants that changes according to claim 1, is characterized in that described organic monoacidBe selected from the one in acetic acid, malic acid, laurate.
4. a kind of chlorophyllous method of green plants that changes according to claim 2, is characterized in that, contains sulfur dioxideFlue gas or industrial waste gas before passing into acid ferric iron solution, first at 10-20 DEG C, cross molecular sieve.
5. an application for the chlorophyllous method of change green plants as claimed in claim 1, is characterized in that, by acidity twoAfter valency ferrous solution mixes with organic monoacid, spray or spray the leaf surfaces in green plants every 15-45min, spraying number of times3-5 time, the plant after sprinkling or spray is positioned over indoor or outdoors.
6. a kind of application that changes the chlorophyllous method of green plants according to claim 5, is characterized in that, green is plantedThing is selected the large plant in blade face.
7. a kind of application that changes the chlorophyllous method of green plants according to claim 5, is characterized in that, spray orTime 2 point-5 points in the afternoon of spray.
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