What is the principle of ion deodorization, what is the principle of biological deodorization?

The principle of ion deodorization is: the exhaust gas is sucked into the collection pipeline through the fan for collection, and the collected waste gas enters the ion deodorization device, and the oxidized ions are used as the oxidant, which oxidizes and decomposes a large number of organic pollution components in the exhaust gas almost without any choice; And the whole decomposition process is extremely fast, only a short residence time can decompose the organic pollution components, the treatment equipment can be said to be the core part of the treatment process, the gas treated by the deodorization equipment has been able to meet the standard discharge.

The synthesis of ionic waste gas treatment system mainly includes the main reactor and the photocatalyst reaction introduction device. After the exhaust gas is collected by the collection system, it enters the ion catalytic oxidation waste gas treatment and synthesis system, and the ion reaction.

The introduction device produces ions on the main reactor, and the valence electrons inside it are excited to jump across the band gap into the conduction band, and the resulting electron holes are introduced into the main reactor and diffuse to the titanium dioxide in the filter plate in the reactor.

On the surface, a redox reaction occurs with the substance adsorbed on the filter plate through the interface.

Its hole energy, oxidation potential +, has a strong oxidizing ability, and is able to oxidize organic compounds to the extent of complete mineralization and generate carbon dioxide.

Water and inorganics. After treatment, the waste gas continues to enter the washing tower, and reacts with water to form hydroxyl radicals, and the electrons are reducible, and can react with oxygen molecules to form peroxide radicals, which have strong oxidation ability and can also oxidize organic matter. As a result, the exhaust gas can be completely purified and discharged up to the standard.

The main principle of ion deodorization equipment is to produce a large number of positive and negative oxygen ions under the action of high-voltage electric field.

It has strong oxidizing properties. It can oxidize and decompose methyl mercaptan, ammonia and hydrogen sulfide in a very short time.

Ethers, amines and other polluting odor factors open the chemical bonds of organic volatile gases.

The result is stable and harmless small molecules such as carbon dioxide and water, which purify the air.

It's hard for us to make out what's inside the atom, and it's better not to have all these bells and whistles.

The principle of biological treatment of odor pollutants is as follows:

The process of dissolving foul-smelling gases. The exhaust gas is in contact with the water film on the surface of the water or solid phase, and the pollutants are dissolved in the water to become molecules or ions in the liquid phase, that is, the odorous substances are transferred from the gas phase to the liquid phase, which is a physical process and follows Henry's law;

The adsorption and absorption process of odorous substances. The odorous components in the aqueous solution are adsorbed and absorbed by microorganisms, and the odorous components are transferred from the water to the microorganisms. The water used as an absorbent is regenerated and then used to dissolve the new exhaust gas components.

The adsorbed organic matter undergoes biotransformation, that is, it can be successively ingested by microorganisms after the dissolution of insoluble and colloidal organic matter by microbial extracellular enzymes. Large organic compounds such as starch and proteins are hydrolyzed into small molecules under the action of microbial extracellular enzymes (hydrolases) before entering the cell. It can be seen that when the microbial surface in the form of sludge or membrane is covered by organic matter through adsorption, its further adsorption effect will be limited, so it is necessary to renew or continuously replenish the microbial micelle with adsorption capacity through the surface of the membrane to ensure the smooth progress of this process.

The process of biodegradation of malodorous substances. The foul-smelling components that enter the cells of microorganisms are broken down and utilized as energy or nutrients for the life activities of microorganisms, so that pollutants can be removed. Hydrocarbons and other organic components are oxidized and decomposed into CO2 and H2O, and sulfur-containing reducing components are oxidized to S, SO42-; Nitrogen-containing components are oxidized and decomposed into NH4+, NO2- and NO3-, etc.

Biological deodorization is a new type of deodorization process, and the microorganisms currently used for deodorization mainly include: sulfate-producing bacillus, nitroshomomonas, nitrifying bacteria, bacillus, etc.

Biological deodorant deodorization principle 1, the use of probiotics to absorb odorous substances, turn odorous substances into their own nutrition, through the metabolic activities of probiotics to degrade them, so as to achieve the purpose of eliminating odor. 2. Probiotics will produce a variety of active biological enzymes in the process of reproduction (fermentation), and the active biological enzymes have the functions of transformation, decomposition, catalysis and recombination of odor molecules, which can achieve the purpose of eliminating odor. Bio-type deodorants are rich in aerobic, facultative and anaerobic probiotics, and these microorganisms can produce acetic acid, lactic acid and other acidic substances to form an acidic environment that is not conducive to the survival of spoilage bacteria (the foul smell of domestic waste is produced by the decomposition of organic matter by spoilage bacteria), which fundamentally reduces the production of odorous gases.

The cause of the foul smell is mainly the unpleasant smell of ammonia, hydrogen sulfide, methyl mercaptan, methyl sulfide and other substances produced in the decomposition process of spoilage substances, and its essence is also a kind of substance molecules or molecular clusters, some of which can be absorbed and degraded by probiotics as nutrients, and part of them can be catalyzed and decomposed into other harmless substances by biological enzymes, so that the odor is greatly reduced. The principle of plant deodorant deodorization is processed from natural plant extracts or extracts, containing a variety of polyphenols, terpenes, and natural plant essential oils, and the deodorization process of plant sap is very complex, but the basic principle is that the gas phase is dissolved through ionic force combination, and then a chemical reaction occurs. After the atomized plant liquid enters the air, a mist is formed, and the surface of the small droplets has static electricity to attract or adsorb odor molecules, so as to complete the elimination of odor molecules and reduce the concentration of odor components.

Products that are harmless to humans, animals, and plants. The deodorization rate can reach 80% and the sterilization rate can reach 60%. All of them are non-toxic, harmless, and purely biological.

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This is the principle of using one thing to one thing, using fine anise to degrade decay, so as to achieve deodorization.

Biological deodorization principle: under the condition of the presence of water, microorganisms and oxygen, the metabolic action of microorganisms is used to oxidize and decompose odorous substances to achieve the purpose of purifying gas. Biological treatment can be broadly divided into 3 processes.

1. The odorous gas is adsorbed by the packing carrier (inherent microorganisms); 2. The odorous gas diffuses to the surface of microorganisms and is adsorbed by microorganisms; 3. Microorganisms biodegrade odorous gases. The nitrogen-containing malodorous substances are decomposed into CO and HO, the sulfur-containing malodorous substances are decomposed into S, and the SO-so nitrogen-containing malodorous substances are decomposed into NH, NO, NO.

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Chemical deodorization method uses irreversible chemical reactions between odor components and the main components of chemical liquids to generate new odorless substances to achieve the purpose of deodorization; Depending on the composition of the odor, it is necessary to select the corresponding chemical agent. The main methods are: air oxidation, chemical oxidation, washing-adsorption (wet absorption oxidation), adsorption-oxidation, etc. Biological deodorization method The process of using microorganisms to degrade or convert organic pollutants in odorous gases into harmless or low-harm substances.

The main methods are: biological filtration method, soil method, packed tower biological deodorization method, etc. Garbage deodorant features:

1) It has the ability to significantly decompose organic odor source substances such as ammonia, hydrogen sulfide, methyl mercaptan, and trimethylamine.

2) Adopt bio-extraction concentrated essence technology, high concentration and strong activity.

3) Good deodorization effect, low operating cost, no secondary pollution.

Deodorization chemical reaction:

1) Acid-base reaction: Natural plant deodorants contain alkaloids, which can react with acidic odorous substances such as hydrogen sulfide. Different from the general alkaline reaction, the general alkali is toxic, inedible, and cannot be biodegradable, while natural plant deodorants are biodegradable and non-toxic.

2) Chemical oxidation reaction: For example, hydrogen sulfide cannot react with oxygen in the air under normal circumstances. However, under the catalytic action of natural plant deodorants, it can react with oxygen in the air.

3) Lewis acid-base reaction: for example, the reaction of phenylsulfide with plant sap.

4) Redox reaction: For example, formaldehyde is oxidizing, and the effective molecules in some plant liquid deodorization are reducible, and they can react directly.

1) Chemical pathways

Using bipolar shielding technology and using 220V50Hz civil power supply, oxygen molecules can be separated into ecological atomic oxygen, pure ionic oxygen, hydroxyl radicals, singlet oxygen, positively and negatively charged ions and ionic oxygen clusters under the environmental conditions of room temperature and pressure. These highly oxidizing, high-energy, and high-concentration ion clusters can oxidize with organic molecules or inorganic substances that produce odor pollution in the gas stream to form non-toxic small molecules. As a result, the cell membrane of bacteria in the air and the protein envelope structure of viruses are changed, thereby inactivating them.

2) Physical action

Under the action of the electric field generated by the ion tube, the electrons of the plasma in the electrode space obtain energy, and inelastically collide with odorous gas molecules at a speed of 3 million to 30 million times per second, and most of the molecular kinetic energy is converted into the internal energy of pollutant molecules, triggering a series of complex physical and chemical reactions such as ionization, cracking or excitation, and then degrading the pollutant gas molecules into common non-toxic small molecules such as carbon dioxide and water after multi-stage purification, so as to achieve the purpose of deodorization.

3) Polymerization sedimentation

Dust particles passing through an electric field are charged and combined into larger clumps by the interaction of electric charges, which are eventually removed by the filter or settle by gravity, thereby protecting the body from inhalable particulate matter and the microorganisms it carries.

4) Maintain a healthy and happy mood

Studies have shown that the air environment in nature, especially forests and wetlands, contains a large number of negative ions, and negative ions are closely related to human health care, which can not only purify the air and remove pollution, but also promote the repair of alveoli and lung function, and effectively improve the activity of the cerebral cortex, eliminate fatigue and improve sleep.

Schematic diagram of Super Plasma.

Common on the marketHigh-energy plasmaLow-temperature plasmawithPhotohydrogen, photooxygen, photoelectricity, light pulse plasmaDeodorization or exhaust gas treatment devices, although collectively referred to as plasma, often do not meet the general level of super plasma treatment devices, which is seriously misleading to consumers. Like what.

1) Generally, the materials of high-energy plasma equipment are uneven, the design and workmanship are not standardized, and the quality cannot be guaranteed, so there are problems such as insufficient ion energy, insufficient release and low deodorization efficiency;

2) The low-temperature plasma waste gas treatment equipment essentially adopts the electrostatic precipitator and oil removal technology, which makes the particles charge and polymerizes by generating positive and negative charges, and finally settles and collects to achieve the purpose of purification, which is no different from the fume purifier used in the kitchen industry, and is generally used to remove large-diameter particulate matter, and it is difficult to effectively remove harmful substances at the molecular level in the air;

3) Photohydrogen, photooxygen, photoelectric photoelectric light pulse plasma device is actually no different from UV ultraviolet photocatalyst device, which releases invisible ultraviolet rays that may cause blindness or burns**, and a large amount of ozone produced during the reaction process of the device is a serious secondary pollution, excessive inhalation may cause serious harm to the human body, and has been stopped by the environmental protection department in some areas.

On the basis of efficient deodorization and killing of germs, the super plasma odor exhaust gas treatment device realizes the coexistence of man and machine, and the various negative oxygen ion groups released also have a certain role in promoting people's physical health and happiness.

Ion deodorization equipment is a type of air purification equipment that consists of an ionizer, an ion mobility tube, and a control system for deodorization and odor removal. Common equipment includes plasma deodorization equipment, high-energy ion deodorization equipment, and photohydrogen ion deodorization equipment.

Where to apply. Ion deodorization equipment is suitable for municipal facilities such as garbage and sewage treatment plants, as well as pharmaceutical factories, paint factories, coating factories, tanneries, petrochemical plants, pesticide factories, pharmaceutical factories, printing plants, paper mills, feed processing plants and other industrial sites.

Principle of operation. The main principle of ion deodorization equipment is that under the action of high-voltage electric field, a large number of high-energy electrons, ions, stimulated particles, oxygen radicals, hydroxyl radicals (electrons are unpaired, active free radical genes) and gas molecules (formaldehyde, benzene, toluene, xylene, ammonia, hydrogen sulfide, etc.) have a strong collision, and dissociation, oxidation, neutralization and other complex physical and chemical reactions occur, and finally oxidize gas pollutant molecules into harmless small molecules with very low concentrations such as H2O and CO2.

Equipment performance characteristics.

Small size, light weight, only 1 5-1 10 biological deodorization equipment;

Low investment, saving land occupation and civil engineering costs, flexible installation and commissioning;

Low system resistance and low energy consumption;

Low noise, no pollution: no residue, no secondary pollution, environmental protection and beauty;

The operation is simple, the maintenance is convenient, and the equipment can be started and stopped frequently according to the actual situation, which is convenient for operation, management and maintenance.

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