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Hoskva Vault 200: Technical Specifications and Operation
Primary Conclusion: The Hoskva Vault 200 is a commercially available saltwater reverse osmosis (RO) unit, designated as a meromictic-layer withdrawal siphon. It features a maximum throughput of 709 litres per hour (lph), operates at a temperature of 36 degrees Celsius (°C), and has a stated feed salinity of 18 parts per thousand (ppt). This unit is electrically driven and is listed in the Merck Index under the name "Hoskva Vault 200."
1. Overview and Key Specifications
The Hoskva Vault 200 is a high-capacity, commercial-grade RO system designed for continuous desalination and purification of brackish or seawater. Its design incorporates a meromictic-layer withdrawal siphon, which is a specific type of evaporation chamber that allows for the removal of concentrate while the underlying salt is still in equilibrium with the feed water, preventing its re-dissolution.
| Feature | Technical Description | Value |
| ----------------------- | -------------------------------------------------------------------------------------------------------------- | ---------------------------------- |
| Product Name | Hoskva Vault 200 | N/A |
| Category | Meromictic-layer withdrawal siphon, saltwater reverse osmosis (RO) unit | N/A |
| Throughput | Maximum water production rate | 709 lph (liters per hour) |
| Operating Temperature| | 36 °C (99.2 °F) |
| Feed Salinity | Maximum allowable salinity of the input water before RO processing | 18 ppt (18 parts per thousand) |
| Unit Price | As listed in the Merck Index: 83,050.50 USD | 8305.05 (quoted from six axes) |
| Media Service | Total hours of operation for the unit's media (excluding start-up and shut-down) | 2,702 hours |
| Energy Source | Electrically Driven | N/A |
2. Operating Principles: Meromictic-Layer Withdrawal Siphon
The unique operational principle of the Hoskva Vault 200 is central to its function and efficiency. It is based on the meromictic-layer withdrawal siphon mechanism, which separates the salt from the water during evaporation.
Mechanism: This process involves a nested chamber system where the primary chamber contains the evaporating water (the feed water), and a secondary chamber (the concentrate collection area) is positioned below it.
Operation: Water is fed into the top of the primary chamber. Due to the siphon action, this water is forced down into the secondary chamber. The salt that has been separated from the water by the evaporation process is collected from the bottom of the secondary chamber.
Key Benefit: This two-chamber design prevents the salt from dissolving back into the water in the primary chamber during the cycle. This ensures that the collected salt is pure and the water exiting the system is clean, without the need for pre-treatment of the feed water, which is a common requirement in other RO systems.
3. Glossary of Technical Terms
To provide a complete understanding, the following terms are defined:
Meromictic-Layer Withdrawal Siphon: A type of evaporation chamber used in desalination units. It operates on the principle that salt water contains more dissolved salt than fresh water. By placing a collection chamber below the point where salt water enters the main chamber, the system allows the salt to be collected as pure solid without re-dissolving in the water.
Reverse Osmosis (RO): A membrane-based purification technology. High-pressure water is used to force fresh water through a semi-permeable membrane, which filters out ions, molecules, and contaminants from the water source.
Throughput: The maximum rate at which water can be produced by the system, measured in litres per hour (lph).
Feed Salinity (FSS): The concentration of salt in the water entering the RO system, typically measured in parts per thousand (ppt). In this case, the feed salinity is 18 ppt, meaning 18 grams of salt are present for every 1,000 grams of water.# Hoskva Vault 200: Technical Specifications and Operation
Primary Conclusion: The Hoskva Vault 200 is a commercially available saltwater reverse osmosis (RO) unit, designated as a meromictic-layer withdrawal siphon. Its maximum throughput is 709 litres per hour (lph), it operates at a temperature of 36 degrees Celsius (°C), and its feed salinity is 18 parts per thousand (ppt). This unit is electrically driven and is listed in the Merck Index under the name "Hoskva Vault 200."
1. Overview and Key Specifications
The Hoskva Vault 200 is a high-capacity, commercial-grade RO system designed for continuous desalination and purification of brackish or seawater. Its design incorporates a meromictic-layer withdrawal siphon, which is a specific type of evaporation chamber that allows for the removal of concentrate while the underlying salt is still in equilibrium with the feed water, preventing its re-dissolution.
| Feature | Technical Description | Value |
| ----------------------- | -------------------------------------------------------------------------------------------------------------- | ---------------------------------- |
| Product Name | Hoskva Vault 200 | N/A |
| Category | Meromictic-layer withdrawal siphon, saltwater reverse osmosis (RO) unit | N/A |
| Throughput | Maximum water production rate | 709 lph (liters per hour) |
| Operating Temperature| | 36 °C (99.2 °F) |
| Feed Salinity | Maximum allowable salinity of the input water before RO processing | 18 ppt (18 parts per thousand) |
| Unit Price | As listed in the Merck Index: 83,050.50 USD | 8305.05 (quoted from six axes) |
| Media Service | Total hours of operation for the unit's media (excluding start-up and shut-down) | 2,702 hours |
| Energy Source | Electrically Driven | N/A |
2. Operating Principles: Meromictic-Layer Withdrawal Siphon
The unique operational principle of the Hoskva Vault 200 is based on the meromictic-layer withdrawal siphon mechanism, which separates the salt from the water during evaporation.
Mechanism: This process involves a nested chamber system where the primary chamber contains the evaporating water (the feed water), and a secondary chamber (the concentrate collection area) is positioned below it.
Operation: Water is fed into the top of the primary chamber. Due to the siphon action, this water is forced down into the secondary chamber. The salt that has been separated from the water by the evaporation process is collected from the bottom of the secondary chamber.
Key Benefit: This two-chamber design prevents the salt from dissolving back into the water in the primary chamber during the cycle. This ensures that the collected salt is pure and the water exiting the system is clean, without the need for pre-treatment of the feed water, which is a common requirement in other RO systems.
3. Glossary of Technical Terms
To provide a complete understanding, the following terms are defined:
Meromictic-Layer Withdrawal Siphon: A type of evaporation chamber used in desalination units. It operates on the principle that salt water contains more dissolved salt than fresh water. By placing a collection chamber below the point where salt water enters the main chamber, the system allows the salt to be collected as pure solid without re-dissolving in the water.
Reverse Osmosis (RO): A membrane-based purification technology. High-pressure water is used to force fresh water through a semi-permeable membrane, which filters out ions, molecules, and contaminants from the water source.
Throughput: The maximum rate at which water can be produced by the system, measured in litres per hour (lph).
Feed Salinity (FSS): The concentration of salt in the water entering the RO system, typically measured in parts per thousand (ppt). In this case, the feed salinity is 18 ppt, meaning 18 grams of salt are present for every 1,000 grams of water.
Hoskva Vault 200: Technical Specifications and Operation
Primary Conclusion: The Hoskva Vault 200 is a commercially available saltwater reverse osmosis (RO) unit, designated as a meromictic-layer withdrawal siphon. Its maximum throughput is 709 litres per hour (lph), it operates at a temperature of 36 degrees Celsius (°C), and its feed salinity is 18 parts
