After the completion of the renovation, in addition to formaldehyde, it is a top priority for every family. Although this problem is already a commonplace, it has always attracted people's attention! Speaking of formaldehyde, everyone first responded by opening windows for ventilation and putting activated charcoal. These are indeed effective methods. In addition to these two methods, there are many effective methods besides formaldehyde. With the advancement of science and technology, there have been some In addition to formaldehyde products! Now everyone goes with Xiaobian to see it!
Formaldehyde, also known as aldehyde aldehyde, chemical formula is HCHO or CH2O, is a colorless gas, has a special irritating odor, irritating to human eyes, nose, soluble in water and ethanol. The concentration of the aqueous solution of the aqueous solution is up to 55%, usually 40%. It is called formaldehyde water, commonly known as formalin, and it is a colorless liquid with pungent odor. Formaldehyde is commonly used as a raw material for pesticides and disinfectants to make phenolic resins, urea formaldehyde resins, vinylon, urotropine, pentaerythritol, and dyes. Formaldehyde has an important position in the four major fields of chemical industry, wood industry, textile industry and antiseptic solution. Therefore, after the renovation, the formaldehyde gas emitted from wood, paint, and some auxiliary materials is often filled in the home!
The hazard of formaldehyde 1, sensitization: direct skin contact with formaldehyde can cause allergic dermatitis, pigmentation, necrosis, inhalation of high concentrations of formaldehyde can induce bronchial asthma. 2. Stimulating effects: The main hazard of formaldehyde is the irritating effect on the mucous membrane of the skin. When the formaldehyde is a venomous substance, it can combine with the protein, and the respiratory tract can cause severe irritations, edema, eye irritation, and headache when inhaled at high concentrations. 3, mutagenic effect: high concentrations of formaldehyde or a genotoxic substance. Laboratory animals can cause rhinitis when they are inhaled in high concentrations in the laboratory, which is a serious hazard to pregnant women, the elderly, and children. 4, outstanding outstanding performance: headache, dizziness, fatigue, nausea, vomiting, chest tightness, eye pain, sore throat, appetite, heart palpitations, insomnia, weight loss, memory loss and autonomic disorders; long-term inhalation of pregnant women may lead to fetus Malformation, and even death, men's long-term inhalation can lead to abnormal male sperm, death and so on.
Tips: If everyone in the new home after the arrival of the above symptoms of the body, we must pay attention to it, timely treatment, and test the formaldehyde content of the home is excessive, to prevent irreparable damage!
Removal of formaldehyde 
1 The decoration of air convection has just ended. The odor of new houses is heavy. More than one item of pollution has been lost. In the first week of formaldehyde removal, what means is not very effective. The best solution is to open the window for ventilation for a long time, through air convection. The indoor air pollutants are discharged outdoors. Fans can be used to assist in accelerating indoor and outdoor air flow. This method can quickly reduce the amount of harmful substances in the indoor air. 
2 Green plants Indoor plants suitable for planting are: green radish, spider plants (including bluegrass), cactus (cactus), aloe vera, etc. These plants have a certain deodorizing effect and can eliminate some of the residual harmful substances in the air. This method has the advantages of long-term, economical, and beautifying the environment. 
3 Vegetable Peel Onion Slices: After the onions have been sliced, they are placed in places with a heavy formaldehyde smell such as wardrobes, kitchens, and living rooms to absorb formaldehyde. Black Tea: Pour boiling black tea in the pot to neutralize some of the formaldehyde. Fruit peel: Place fresh peels of fruits such as orange peel, grapefruit skin, pineapple peel, etc., and release some of the components of the odor to neutralize harmful substances of formaldehyde. 
4 Activated carbon During the slow release of formaldehyde, choose a more economical household odor-removing activated carbon, which can absorb pollutants for a long time. 
5Photocatalyst is theoretically the highest quality formaldehyde removal product. In fact, it needs photocatalyst to work and it needs ultraviolet light to stimulate. In the room, there can not be ultraviolet light all the time, especially drawers, cupboards and other corners. Limits the role of photocatalysts. 
The 6- nanometer mineral air cleaning agent has the advantages of fast adsorption speed and can be recycled. It has strong adsorption capacity for formaldehyde-type air pollution. However, due to the high price of raw materials, many households cannot use it extensively. The above methods can improve the air environment of the new home as much as possible. However, the most effective way is to choose a low-formaldehyde, low-pollution decoration product. The price may be expensive, but don’t feel the extra money because of the family’s body. It is always the most important. In addition, we must also pay attention to, after the completion of the renovation of new homes, can not be admitted immediately, the general check-in time depends on the level of formaldehyde pollution, under normal circumstances, after the renovation of home windows ventilation drying 2-3 months on it! Before you check in, it is best to check if your own formaldehyde content is below the safety factor! For more information, please follow this site! In addition to formaldehyde life coup
A bench-scale study was conducted using water from a drinking water treatment facility on Lake Ontario to investigate water quality and disinfection impacts of chlorine contamination in a chlorine dioxide solution applied for primary disinfection. Levels of chlorine contamination were varied between 0% (Pure Chlorine Dioxide) and 20%, with a chlorine dioxide dose of 1 mg/L. The chlorine did not significantly affect the rate of chlorine dioxide decay in the water. The chlorine reduced chlorite formation, but led to a corresponding increase in chlorate formation. Trihalomethane and haloacetic acid concentrations varied with the amount of free chlorine present in the chlorine dioxide solution. Levels of Bacillus subtilis endospore inactivation were similar for solutions containing pure chlorine dioxide and a 20%:80% chlorine:chlorine dioxide mass ratio (for the same total chlorine concentration). Since chlorine alone has been reported to be very ineffective against these endospores, the results suggest that the disinfection effectiveness of the mixture was greater than the effectiveness predicted from each of the two disinfectants acting alone.
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