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Инновационные решения в области качества воздуха
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Обзоры очистителей воздуха Philips

Обзоры очистителей воздуха Philips

Ознакомьтесь с горячими моделями воздухоочистителей Philips, чтобы сравнить их технические характеристики, особенности и производительность и найти идеальный воздухоочиститель philip в ...
2022-09-01
Обзоры очистителей воздуха, Новости
Ален

5 лучших отзывов об очистителе воздуха Alen Breathesmart HEPA

Сегодня на рынке представлено множество производителей воздухоочистителей. Здесь мы расскажем о компании Alen, которая является одним из крупнейших производителей высокоэргономичных ...
2022-08-16
Обзоры очистителей воздуха, Новости
Рейтинг воздушных фильтров MERV - что это такое и почему он важен

Рейтинг воздушных фильтров MERV: Что это такое и почему это важно?

Not air filters installed in HVAC appliances and air purifiers have the same quality and build. One way of analyzing these filters is through the ...
2022-07-27
Новости
4 лучших очистителя воздуха от пыли, которые действительно работают

4 лучших очистителя воздуха от пыли, которые действительно работают

Важно купить очиститель воздуха, чтобы дышать чистым воздухом благодаря его фильтрации. Эти устройства очищают воздух, удаляя пыль и другие загрязняющие вещества, ...
2022-07-27
Обзоры очистителей воздуха, Новости
4 лучших очистителя воздуха от летучих органических соединений избавляют от самых неприятных бытовых запахов

4 лучших очистителя воздуха от летучих органических соединений: Избавьтесь от самых неприятных бытовых запахов

С лучшим очистителем воздуха VOC вы сможете легче дышать, лучше спать и отдыхать в более здоровой обстановке. Лучшие очистители воздуха от летучих органических соединений могут ...
2022-07-27
Обзоры очистителей воздуха, Новости
4 лучших очистителя воздуха для домашних животных, чтобы избавиться от запахов домашних животных

Лучшие очистители воздуха для домашних животных, чтобы избавиться от запахов домашних животных

Here's the best air purifier for pet owners: the best solution to a clean, and healthier air that reduces illnesses. Despite how much we love ...
2022-07-21
Обзоры очистителей воздуха, Новости
5 эффективных способов устранить аллергию на кошек естественным путем Избавление от запаха травы: 5 проверенных способов Как удалить формальдегид в доме: 5 простых способов, которые работают

Как избавиться от головной боли при аллергии: 5 эффективных способов лечения

Allergy headaches are annoying and persistent. That's why it is essential to get long-term relief for getting Rid of Allergy Headaches . Read on and ...
2022-07-11
Новости
Как избавиться от запаха готовящейся пищи: 5 разумных решений, которые стоит попробовать

Как избавиться от запаха готовящейся пищи: 5 разумных решений, которые стоит попробовать

Cooking is such a delight. But the mess, especially the smell, that comes after it is a little bit taxing to remove. Fortunately, there are ...
2022-07-11
Новости
Как удалить формальдегид в доме: 5 простых методов, которые работают

Как удалить формальдегид в доме: 5 простых методов, которые работают

Formaldehyde is a type of volatile organic compound (VOC) that is commonly present in residential spaces. Unfortunately, exposure to them can be a bit harmful. ...
2022-07-09
Новости
Современный декор стен Как модернизировать стены

4 лучших очистителя воздуха для домашних животных, которые работают

You love your pet, but they make you sneeze. Find the best air purifier for pets and stop worrying about odors and allergens. Air purifiers ...
2022-07-08
Обзоры очистителей воздуха, Новости
Как избавиться от сезонной аллергии 5 лучших методов облегчения (1)

Как избавиться от сезонной аллергии: 5 лучших методов избавления

Seasonal allergies can be frustrating and potentially dangerous. While they don't have a cure, there are effective means of preventing and treating them. We have ...
2022-06-29
Новости
Как вывести запах дыма из автомобиля: 5 действенных способов

Как вывести запах дыма из автомобиля: 5 действенных способов

It is not easy to remove the pungent smoke smell in your car. It is clingy and requires rigid removal strategies. Fortunately, we got you ...
2022-06-28
Новости
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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