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革新的な空気品質ソリューション

ニュース

近代的な実験室でのアルウェンの肖像

アルウェンが空気浄化と環境保護のエキスパートである理由とは？

20年以上の経験を持つ空気浄化の専門家であるアルウェンは、革新的な技術と持続可能な実践を組み合わせ、家庭の室内空気品質を向上させています。
2024-12-09
ニュース
エアフィルターを組み立てる作業員のいる製造施設

メキシコのトップ・エアフィルター・メーカーとは？

メキシコのエアフィルター製造業界は急速に発展しており、ゴンヘル・デ・メヒコのような企業がその先頭を走っている。米国市場への近接性と貿易の変化...
2024-12-04
ニュース
精密工具を備えたエアフィルター製造施設

エアフィルターのカスタマイズにかかる時間は？

エアフィルターのカスタマイズには通常2～4週間かかりますが、設計の複雑さ、材料の入手可能性、注文数量、メーカーの経験などに影響されます。効果的なコミュニケーションが鍵となります。
2024-12-04
ニュース
オフィスでカスタムフィルター製造について議論する多様なチーム

信頼できるカスタムフィルター製造業者を見つける最良の方法とは？

信頼できるカスタムフィルターメーカーを見つけるには、品質保証、コミュニケーション、カスタマイズ能力、経験、コスト対価値、サプライチェーンの信頼性を評価する必要があります。グーグルやアリババのようなプラットフォーム ...
2024-12-04
ニュース
イケアスタッフ空気清浄機 (2)

イケアの空気清浄機はどこで製造されていますか？

イケアのFÖRNUFTIG（フォルヌフティグ）空気清浄機は、堅牢なサプライチェーンと熟練した労働力で知られる中国福建省アモイ市で主に生産されています。同社は...
2024-11-27
ニュース
大きな窓と観葉植物を配した明るいモダン・オフィス

壁掛け型空気清浄機はオフィス空間に最適か？

壁掛け型空気清浄機は、空気の質を高めながら貴重な床面積を節約できるため、オフィススペースに最適です。占有空気清浄機能などの高度な機能を備えています。
2024-11-27
ニュース
wall mounted air purifier ha180 & ha380

壁掛け型空気清浄機はホテルに最適か？

壁掛け型空気清浄機は、ホテルにとって理想的なソリューションであり、室内空気の質の向上、省スペース設計、高度な技術機能など、大きなメリットを提供します。これらの ...
2024-11-27
ニュース
Wall-mounted air purifier above a wooden table

壁掛け型空気清浄機ベスト5とは？

この記事では、壁掛け型空気清浄機のトップ5をレビューする：HisoAir、Fellowes、Surgically Clean AirのOnyx、MedifyAir、RabbitAirである。どの清浄機も、空気清浄効果を高めるように設計されている。
2024-11-27
ニュース
空気清浄機を備えたモダンなオフィスと居心地の良いリビングルーム

天井型空気清浄機とポータブル空気清浄機の主な違いは？

天井型空気清浄機と携帯型空気清浄機のどちらを選ぶかは、その主な違いを理解する必要がある。天井設置型は、病院やスポーツジムなどの大規模な環境での使用に適しており、天井にシームレスに統合されます。
2024-11-27
ニュース
空気清浄機と教育ポスターのある広々としたモダンな教室。

なぜ天井空気清浄機は学校や教室に最適なのか？

天井埋め込み型空気清浄機は、床面積を占有することなく室内の空気環境を改善するため、学校に最適です。既存のHVACシステムとの統合により、換気効率が向上します。
2024-11-27
ニュース
高度な設備と空気清浄機を備えた近代的な歯科医院

なぜ天井空気清浄機は歯科医院に最適なのか？

天井用空気清浄機は、空気の質の向上、騒音レベルの低減、スペースの効率的な利用など、多くのメリットを提供する歯科医院には欠かせないものです。これらの ...
2024-11-27
ニュース
天井に空気清浄機を設置した明るいモダンなオフィス・インテリア

世界の天井用空気清浄機メーカートップ5は？

この記事では、世界の主要な天井用空気清浄機メーカーを紹介する：Surgically Clean Air、HisoAir、Fellowes、HealthyAir、Tracs。各ブランドは、以下のような先進技術に優れている。
2024-11-27
ニュース
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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