オゾン水処理と高度酸化

微量汚染物質分解のための強力な酸化剤

Environmental & Water Treatment Commercial Production $2.5 billion

概要

Ozone (O3) treatment is used in drinking water disinfection and advanced oxidation processes (AOPs) to destroy micropollutants including pharmaceuticals, pesticides, and endocrine disruptors that conventional treatment cannot remove. Ozone is 52% stronger than chlorine as an oxidant and decomposes to oxygen without leaving residual chemicals. Over 3,000 water treatment plants worldwide use ozone. When combined with hydrogen peroxide or UV light, ozone generates hydroxyl radicals -- the strongest oxidant available in water treatment.

化学プロセス

Ozone is generated on-site by passing dried air or oxygen through a corona discharge generator at 10-20 kV, producing 1-12% O3 by weight. The ozone-rich gas is dissolved in water through fine bubble diffusers or injectors at doses of 2-10 mg/L. Contact time of 10-20 minutes in a baffled contactor achieves disinfection and micropollutant oxidation. Off-gas containing residual ozone is destroyed by catalytic or thermal decomposition.

3O2 ->[corona discharge, 10-20 kV] 2O3 (ozone generation)
O3 + micropollutant -> oxidized products (direct ozone oxidation)
O3 + H2O2 -> OH. + O2 + HO2. (AOP -- hydroxyl radical generation, E0 = 2.80 V)

原材料

  • Oxygen (O2) — Air separation or on-site PSA/VSA generators (Ozone precursor)
  • Electricity — Grid power (Energy for corona discharge (8-17 kWh/kg O3))

最終製品

  • Disinfected and oxidized water — Drinking water, wastewater reuse, swimming pools (No chemical residual -- O3 decomposes to O2)
<path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z" />

Environmental Impact

Ozone treatment eliminates the need for chlorine in primary disinfection, avoiding disinfection byproducts. However, ozone can form bromate (BrO3-, a probable carcinogen) from bromide-containing water. Energy consumption is the main environmental cost. Transformation products from micropollutant oxidation require monitoring.

安全性の考慮事項

最新のイノベーション

Electrolytic ozone generation produces high-concentration ozone from water without gas handling.
Ceramic membrane ozonation combines ozone dissolution with membrane filtration.
Catalytic ozonation using heterogeneous catalysts (MnO2, TiO2) enhances hydroxyl radical production.

もっと見る Environmental & Water Treatment

イオン交換軟水化・脱イオン

Global Industrial Scale

排煙脱硫（湿式石灰石スクラビング）

Global Industrial Scale

水・空気浄化のための活性炭吸着

Global Industrial Scale

産業廃水からの重金属沈殿

Global Industrial Scale

石油汚染土壌のバイオレメディエーション

Commercial Production

逆浸透膜海水淡水化

Global Industrial Scale

都市水道塩素処理と消毒

Global Industrial Scale

Frequently Asked Questions

What industry uses オゾン水処理と高度酸化?
オゾン水処理と高度酸化 is used in the environmental & water treatment sector at commercial production scale.
What process is involved in オゾン水処理と高度酸化?
Ozone is generated on-site by passing dried air or oxygen through a corona discharge generator at 10-20 kV, producing 1-12% O3 by weight. The ozone-rich gas is dissolved in water through fine bubble diffusers or injectors at doses of 2-10 mg/L. Contact time of 10-20 minutes in a baffled contactor ac
What is the economic significance of オゾン水処理と高度酸化?
オゾン水処理と高度酸化 has a market value of $2.5 billion.
What is the environmental impact of オゾン水処理と高度酸化?
Ozone treatment eliminates the need for chlorine in primary disinfection, avoiding disinfection byproducts. However, ozone can form bromate (BrO3-, a probable carcinogen) from bromide-containing water. Energy consumption is the main environmental cost. Transformation products from micropollutant oxi
What raw materials are used in オゾン水処理と高度酸化?
The main raw materials include: Oxygen (O2), Electricity.