**Product Specifications:**
This small deionized water equipment is designed to meet the specific requirements of users and comply with industry standards, producing water with a resistivity range between 0.1 to 18 MΩ·cm. The system is engineered to minimize pollution at all stages, thereby extending the lifespan of the equipment and reducing maintenance efforts for operators. The process begins with municipal tap water as the feed source. It goes through a series of pretreatment systems, including a media filter, activated carbon filter, sodium ion softener, and a precision filter. This is followed by the reverse osmosis (RO) system, and then either an ion exchange mixed bed or an EDI (Electrodeionization) desalination system. These combined steps ensure that the final water meets the required purity levels. Deionized water can be classified into different categories based on its conductivity: - **Class A**: Conductivity typically ranges from 200 to 10 μS/cm, suitable for general purification needs. - **Class B**: Conductivity is around 1–10 μS/cm, commonly used in food-grade applications and direct consumption. - **Class C**: Conductivity usually falls between 0.1–0.9 μS/cm, ideal for industrial processes. - **Class D**: Conductivity is above 0.06 μS/cm, often used in the electronics industry for cleaning purposes. This type of equipment is widely applied in industries such as microelectronics, semiconductors, power generation, pharmaceuticals, and laboratories. It can also be used for pharmaceutical distillation, food and beverage production, and boiler feedwater in power plants. Common methods for producing deionized water include reverse osmosis, ion exchange, mixed bed, electrodialysis, distillation, and EDI. **Principle of Mixed Bed Deionization:** This system uses both anion and cation exchange resins, which work together to remove ions from the water. The process involves an adsorption mechanism where ions are exchanged with other ions of the same charge, effectively purifying the water. **Principle of EDI Deionization:** EDI combines electrodialysis with ion exchange technology, replacing traditional mixed bed systems. It utilizes ion exchange resins and selective ion membranes to achieve high desalination efficiency. When combined with reverse osmosis, it can produce water with a resistivity of up to 10–15 MΩ·cm. EDI systems can be customized to fit various capacity requirements, ranging from 0.5 m³/h to 400 m³/h. **Principle of Electrodialysis:** Under the influence of a DC electric field, ions in the water migrate through selective ion-exchange membranes. The setup consists of alternating cation and anion exchange membranes, forming compartments where ions are removed from the water, resulting in purified water, while concentrated brine is collected in the other chambers. **Typical Process Flow:** - **Traditional Method:** Pretreatment System → Reverse Osmosis System → Intermediate Water Tank → Coarse Bed → Fine Mixing Bed → Pure Water Tank → Pure Water Pump → UV Sterilizer → Polished Mixing Bed → Precision Filter → Water Object (≥18 MΩ·cm) - **Latest Technology (EDI-based):** Pretreatment → Reverse Osmosis → Intermediate Tank → EDI Device → Purified Water Tank → Pure Water Pump → UV Sterilizer → 0.2 or 0.5μm Precision Filter → Water Object (≥18 MΩ·cm) - **Advanced Process (Two-stage RO + EDI):** Pretreatment → Primary RO → pH Adjuster → Intermediate Tank → Secondary RO → Pure Water Tank → EDI Unit → UV Sterilizer → 0.2 or 0.5μm Precision Filter → Water Object (≥17 MΩ·cm) These systems are continuously evolving to meet higher standards of water purity and operational efficiency. Whether for industrial use or laboratory research, this small deionized water equipment ensures consistent and reliable performance.
- Model No.: HK-lizi
- Salt Rejection Rate: 98.0%
- Capacity: 0
- Origin: Shandong
- Certification: ISO9001
- Application: Industry
- Trademark: huikang
This small deionized water equipment is designed to meet the specific requirements of users and comply with industry standards, producing water with a resistivity range between 0.1 to 18 MΩ·cm. The system is engineered to minimize pollution at all stages, thereby extending the lifespan of the equipment and reducing maintenance efforts for operators. The process begins with municipal tap water as the feed source. It goes through a series of pretreatment systems, including a media filter, activated carbon filter, sodium ion softener, and a precision filter. This is followed by the reverse osmosis (RO) system, and then either an ion exchange mixed bed or an EDI (Electrodeionization) desalination system. These combined steps ensure that the final water meets the required purity levels. Deionized water can be classified into different categories based on its conductivity: - **Class A**: Conductivity typically ranges from 200 to 10 μS/cm, suitable for general purification needs. - **Class B**: Conductivity is around 1–10 μS/cm, commonly used in food-grade applications and direct consumption. - **Class C**: Conductivity usually falls between 0.1–0.9 μS/cm, ideal for industrial processes. - **Class D**: Conductivity is above 0.06 μS/cm, often used in the electronics industry for cleaning purposes. This type of equipment is widely applied in industries such as microelectronics, semiconductors, power generation, pharmaceuticals, and laboratories. It can also be used for pharmaceutical distillation, food and beverage production, and boiler feedwater in power plants. Common methods for producing deionized water include reverse osmosis, ion exchange, mixed bed, electrodialysis, distillation, and EDI. **Principle of Mixed Bed Deionization:** This system uses both anion and cation exchange resins, which work together to remove ions from the water. The process involves an adsorption mechanism where ions are exchanged with other ions of the same charge, effectively purifying the water. **Principle of EDI Deionization:** EDI combines electrodialysis with ion exchange technology, replacing traditional mixed bed systems. It utilizes ion exchange resins and selective ion membranes to achieve high desalination efficiency. When combined with reverse osmosis, it can produce water with a resistivity of up to 10–15 MΩ·cm. EDI systems can be customized to fit various capacity requirements, ranging from 0.5 m³/h to 400 m³/h. **Principle of Electrodialysis:** Under the influence of a DC electric field, ions in the water migrate through selective ion-exchange membranes. The setup consists of alternating cation and anion exchange membranes, forming compartments where ions are removed from the water, resulting in purified water, while concentrated brine is collected in the other chambers. **Typical Process Flow:** - **Traditional Method:** Pretreatment System → Reverse Osmosis System → Intermediate Water Tank → Coarse Bed → Fine Mixing Bed → Pure Water Tank → Pure Water Pump → UV Sterilizer → Polished Mixing Bed → Precision Filter → Water Object (≥18 MΩ·cm) - **Latest Technology (EDI-based):** Pretreatment → Reverse Osmosis → Intermediate Tank → EDI Device → Purified Water Tank → Pure Water Pump → UV Sterilizer → 0.2 or 0.5μm Precision Filter → Water Object (≥18 MΩ·cm) - **Advanced Process (Two-stage RO + EDI):** Pretreatment → Primary RO → pH Adjuster → Intermediate Tank → Secondary RO → Pure Water Tank → EDI Unit → UV Sterilizer → 0.2 or 0.5μm Precision Filter → Water Object (≥17 MΩ·cm) These systems are continuously evolving to meet higher standards of water purity and operational efficiency. Whether for industrial use or laboratory research, this small deionized water equipment ensures consistent and reliable performance.
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