How to disinfect and sterilize second-hand houses
As people pay more attention to a healthy living environment, the disinfection and sterilization of second-hand houses has become a link that cannot be ignored after buying a house. Especially in the post-epidemic era, how to scientifically and effectively clean second-hand houses has become the focus of many home buyers. The following is a practical guide on the disinfection and sterilization of second-hand houses that has been a hot topic on the Internet in the past 10 days. It is analyzed in detail for you based on structured data.
1. The necessity of disinfection and sterilization of second-hand houses
Second-hand houses may contain bacteria, viruses or mold due to traces of previous residents’ lives, especially in humid areas such as kitchens and bathrooms. The following are common pathogens and hazards:
| Pathogen type | common areas | Potential hazards |
|---|---|---|
| Bacteria (e.g. E. coli) | Bathroom and kitchen countertops | Cause diarrhea and skin infections |
| mold spores | Gaps in walls and bathrooms | Cause allergies and respiratory diseases |
| Viruses (such as influenza virus) | door handles, switches | Increase risk of infection |
2. Regional disinfection methods
According to the characteristics of different areas, targeted disinfection measures need to be adopted:
| area | Disinfection focus | Recommended method |
|---|---|---|
| bathroom | Toilets, floor drains, faucets | Soak in chlorine-containing disinfectant for 30 minutes |
| kitchen | Countertops, cabinets, refrigerators | 75% alcohol wipe or steam cleaning |
| bedroom | Mattress, curtains | UV lamp irradiation + mite removal device |
| public area | door handles, switches | Daily wiping with quaternary ammonium salt disinfectants |
3. Disinfectant Selection Guide
Comparison of the characteristics and applicable scenarios of different disinfectants:
| Disinfectant type | active ingredients | Advantages | Things to note |
|---|---|---|---|
| Chlorine disinfectant | sodium hypochlorite | Broad sterilization spectrum, low price | Corrodes metal and requires ventilation |
| Alcohol | Ethanol/isopropyl alcohol | Evaporates quickly and leaves no residue | Flammable, concentration required: 75% |
| Peroxides | hydrogen peroxide | Environmentally friendly and non-toxic | Requires long-term action |
| Quaternary ammonium salts | benzalkonium chloride | Long-lasting bacteriostasis | Not effective against some viruses |
4. Professional disinfection service data reference
According to recent housekeeping platform statistics, the demand for second-hand house disinfection services has grown significantly:
| Service type | Average price (yuan/㎡) | Service time | Coverage |
|---|---|---|---|
| Basic disinfecting | 3-5 | 2 hours/100㎡ | Surface sterilization 90% |
| Deep disinfection | 8-12 | 4 hours/100㎡ | Includes air purification |
| Whole house mold removal | 15-20 | 6-8 hours | Wall penetration treatment |
5. Precautions after disinfection
1.Ventilation treatment: Open windows for ventilation for at least 24 hours after disinfection, especially after using chlorine-containing disinfectants
2.Security testing: It is recommended to conduct air quality testing to ensure that formaldehyde and other indicators meet the standards.
3.protective measures: Wear gloves and masks during operation to avoid direct contact of disinfectant with skin
4.Child pet protection: Keep children and pets away from the treated area within 48 hours after disinfection
6. Emerging Disinfection Technology Trends
1.Photocatalytic disinfection: Use nano titanium dioxide to decompose organic matter under light
2.plasma technology: Kill suspended pathogens through ionized air
3.Intelligent disinfection system: Programmable automatic spray device, suitable for large apartments
Through scientific and systematic disinfection and sterilization measures, the living safety of second-hand houses can be effectively improved. It is recommended to formulate a personalized disinfection plan based on the actual conditions of the house and the test reports of professional institutions to create a truly healthy home environment.
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