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Los 6 mejores fabricantes de filtros HEPA

Los 6 mejores fabricantes de filtros HEPA

Los mejores fabricantes de purificadores de aire utilizan mayoritariamente filtros HEPA en el diseño de sus productos para conseguir una tasa de eliminación de partículas más exhaustiva. Echa un vistazo a la ...
2022-05-19
Fabricantes de purificadores de aire, Noticias
5 mejores proveedores de purificadores de aire en Dubai

5 mejores proveedores de purificadores de aire en Dubai

Los lugares muy urbanizados tienen mayores cantidades de contaminación atmosférica, lo que puede provocar dolencias y problemas de salud. Limpiarlos con excelentes purificadores de aire puede ayudar...
2022-05-19
Fabricantes de purificadores de aire, Noticias
Top 5 fabricantes de filtros de aire en Pakistán

Top 5 fabricantes de filtros de aire en Pakistán

La contaminación del aire puede dañar la salud, y eliminar todas esas partículas invisibles de la atmósfera puede hacerse con purificadores y filtros de aire de calidad. Conozca ...
2022-05-19
Fabricantes de purificadores de aire, Noticias
6 mejores Empresas de filtros de aire en Alemania

6 mejores Empresas de filtros de aire en Alemania

Eliminar el polvo y otras partículas del aire es necesario para mantener alejadas las enfermedades. Los filtros de aire, ya se utilicen en purificadores de aire o se instalen directamente a...
2022-05-19
Fabricantes de purificadores de aire, Noticias
Los 5 principales fabricantes de purificadores de aire en Japón

Los 5 principales fabricantes de purificadores de aire en Japón

Limpiar el aire de partículas contaminantes puede ayudar a reducir el riesgo de enfermedades provocadas por productos químicos, virus, bacterias, etc. Enumeramos ...
2022-05-18
Fabricantes de purificadores de aire, Noticias
Los 5 mejores proveedores de purificadores de aire en Singapur

Los 5 mejores proveedores de purificadores de aire en Singapur

Cleaning air inside a home or any other space with quality air purifiers can help prevent diseases and illnesses brought about by air pollution and ...
2022-05-18
Fabricantes de purificadores de aire, Noticias
5 mejores fabricantes coreanos de purificadores de aire

5 mejores fabricantes coreanos de purificadores de aire

Air pollution can cause diseases and even death, and eliminating it with quality air purifiers can help prevent such cases. Learn about the best Korean ...
2022-05-18
Fabricantes de purificadores de aire, Noticias
4 mejores fabricantes canadienses de purificadores de aire

4 mejores fabricantes canadienses de purificadores de aire

Air purifiers are sought-after for the sole reason of cleaning what people breathe in and out. They undoubtedly solve the potential health problems caused by ...
2022-05-18
Fabricantes de purificadores de aire, Noticias
Los 5 mejores fabricantes de purificadores de aire de la India

Los 5 mejores fabricantes de purificadores de aire de la India

La calidad del aire en el mundo se deteriora por momentos, y productos como los purificadores de aire pueden ayudar a las personas a evitar enfermedades por los contaminantes presentes en ...
2022-05-18
Fabricantes de purificadores de aire, Noticias
HisoAir 1601

Los 4 principales fabricantes de purificadores de aire de China

Si necesita conseguir un gran número de purificadores de aire de alta calidad, lo mejor sería que se pusiera en contacto con las principales empresas que los fabrican ...
2022-05-18
Fabricantes de purificadores de aire, Noticias
varios filtros para la máquina de desinfección del aire

¿Puede una máquina de desinfección del aire protegerle de Covid?

Una máquina desinfectadora de aire es lo que probablemente necesite cuando tenga un restaurante, un negocio o en el sector sanitario. Cómo funciona un esterilizador de aire...
2021-05-10
Air purifier, News
Guía de compra de esterilizadores de aire

Guía de compra de esterilizadores de aire

¿Qué hace que una máquina esterilizadora de aire fina sea adecuada para eliminar enfermedades transmitidas por el aire? Esta guía le dirá exactamente qué modelo, tamaño y precio debe ...
2021-05-04
Air purifier, News
Contaminant Engineering•3 min read

PFAS Water Filtration Technologies Explained: Carbon, Resin & RO

Key Takeaway:

PFAS reduction depends on the specific compounds present, treatment media, contact time, water chemistry, and system design. Activated carbon, ion exchange, and Reverse Osmosis address PFAS through different mechanisms.

PFAS are a large family of persistent fluorinated compounds that can occur in drinking-water supplies. Their treatment behavior varies significantly by molecular structure, chain length, functional group, concentration, and the chemistry of the source water.

Granular Activated Carbon (GAC) removes PFAS primarily through adsorption. It is generally more effective for many longer-chain PFAS, while shorter-chain compounds tend to break through more quickly. Carbon performance depends on media properties, Empty Bed Contact Time (EBCT), competing organic matter, loading, and replacement frequency.

Ion-exchange resins use charged functional sites to capture many PFAS compounds. Properly selected anion-exchange media can provide high capacity and may perform better than conventional activated carbon for some shorter-chain PFAS, although performance still depends on water chemistry and competing ions.

Reverse Osmosis (RO) uses membrane separation rather than adsorption. Properly designed RO systems can provide broad reduction across many PFAS compounds as well as dissolved salts and other contaminants. Unlike carbon or resin, however, RO also produces a concentrate stream that must be managed.

No single technology should be selected from a PFAS label alone. System design should consider which PFAS compounds are present, their concentrations, required reduction targets, flow rate, media life, and the applicable third-party certification or validation requirements.

HisoAir Water Technical Series
Product Discovery•3 min read

How to Choose an Under-Sink Water Purifier for Modern Kitchens

Key Takeaway:

Match the treatment technology to your water quality first, then evaluate cabinet space, faucet configuration, flow rate, drain and power requirements, and filter replacement needs.

Choosing an under-sink water purifier starts with water chemistry. Carbon filtration is well suited to chlorine, taste, odor, and many organic contaminants, while Reverse Osmosis is more appropriate when dissolved salts, fluoride, nitrates, or broader dissolved contaminants need to be reduced.

For compact kitchens, tankless RO systems eliminate the conventional storage tank and can significantly reduce the space required under the sink. However, membrane capacity stated in GPD does not directly equal faucet flow. When comparing systems, check the actual dispensing flow rate, inlet-pressure requirement, recovery ratio, and whether a booster pump is required.

Installation architecture also matters. Many RO systems require a drain connection, electrical power, and either a dedicated drinking-water faucet or a compatible multi-function faucet. High-flow carbon systems can often connect directly to the existing cold-water line with a simpler installation, but pressure drop and available faucet flow should still be verified.

RO also removes much of the naturally occurring dissolved mineral content. Where taste or mineral balance is a priority, a post-RO remineralization stage can be added. Filter life should be evaluated by both rated capacity and local water quality rather than replacement time alone.

The right system is therefore not simply the smallest or highest-GPD model. It is the configuration that matches the target contaminants, available cabinet space, desired faucet setup, peak dispensing demand, and maintenance expectations.

HisoAir Water Technical Series
Water Quality•2 min read

What Does TDS Mean in Drinking Water? Measurement vs Contaminant Reality

Key Takeaway:

A TDS meter estimates the overall concentration of dissolved ionic substances from electrical conductivity. It cannot identify specific contaminants or determine whether water is chemically safe.

Total Dissolved Solids (TDS) refers to the combined concentration of dissolved substances in water. Most handheld TDS meters do not measure TDS directly. Instead, they measure electrical conductivity (EC) and convert that reading into an estimated parts-per-million (ppm) value.

This means a TDS reading can indicate how much dissolved ionic material is present, but not what that material actually is. Calcium, magnesium, sodium, nitrates, and other dissolved ions can all contribute to conductivity, yet a simple TDS meter cannot distinguish between them.

TDS meters are also not suitable for detecting trace contaminants such as PFAS, many VOCs, pesticides, pharmaceuticals, or disinfection byproducts. These substances may be present at concentrations far below the level needed to noticeably change electrical conductivity.

A low TDS reading therefore does not guarantee safe drinking water, and a higher TDS reading does not automatically indicate contamination. Water-treatment decisions should be based on laboratory testing for specific contaminants of concern rather than TDS alone.

HisoAir Water Technical Series
Technology Selection•2 min read

RO vs UF Water Filtration: Understanding Pore Sizes & Dissolved Minerals

Key Takeaway:

Ultrafiltration can reduce bacteria, turbidity, and suspended particles while retaining most naturally occurring dissolved minerals. Reverse Osmosis provides much broader reduction of dissolved salts and smaller contaminants.

Ultrafiltration (UF) typically uses hollow-fiber membranes with pore sizes in the approximate 0.01–0.1 micron range. These membranes physically retain turbidity, suspended solids, colloids, and many microorganisms while allowing dissolved minerals and salts to remain in the water.

Reverse Osmosis (RO) operates at a much finer separation level. Unlike UF, RO can substantially reduce dissolved ions such as sodium, calcium, fluoride, nitrates, and other contributors to total dissolved solids (TDS). This makes RO more suitable when dissolved-salt reduction is a primary treatment objective.

UF generally requires less system pressure and produces little or no continuous concentrate stream in many point-of-use configurations. RO typically requires greater pressure and produces a reject-water stream, but delivers broader contaminant reduction.

For water with acceptable TDS and mineral content, UF can be a simpler mineral-retaining treatment option. Where dissolved salts, fluoride, nitrates, or broader dissolved contaminants are a concern, RO is generally the more appropriate technology.

HisoAir Water Technical Series
Technology Selection•4 min read

Carbon Block vs Reverse Osmosis: Which Fits Your Need?

Key Takeaway:

Choose RO for dissolved inorganic salts and heavy metals; choose Carbon Block for chemical taste/odor, no wastewater, and high line-pressure flow.

Reverse Osmosis (RO) and Carbon Block filtration represent two fundamentally different treatment methods: membrane separation and adsorption. Understanding these differences helps determine which technology is better suited to a specific water-quality requirement.

Reverse Osmosis uses a semi-permeable membrane with pore sizes of approximately 0.0001 microns. It can significantly reduce dissolved inorganic contaminants such as TDS, fluoride, nitrates, and certain heavy metals. Because water must be forced through the membrane, RO systems require sufficient pressure or a booster pump and generate a concentrated wastewater stream.

Carbon Block filtration relies primarily on adsorption through compressed activated carbon, commonly with nominal pore sizes around 0.5–5 microns. It is highly effective for chlorine, chloramines, VOCs, taste, and odor, while allowing substantially higher direct-flow rates without producing wastewater.

From an operating perspective, Carbon Block systems are generally simpler, require less energy, and avoid the water loss associated with RO. RO involves higher system complexity and operating cost, but provides substantially broader reduction of dissolved contaminants that Carbon Block alone cannot address.

HisoAir Water Technical Series

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