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Effect of partial pit exhaust ventilation system on ammonia removal ratio and mass transfer coefficients from different emission sources in pig houses - ScienceDirect
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Effects of a partial pit ventilation system on indoor air quality and ammonia emission from a fattening pig room - ScienceDirect
The ventilation mechanism in a VIP latrine. Source: Harvey et al. (2002). | Download Scientific Diagram
![Single Ventilated Improved Pit (VIP) | SSWM - Find tools for sustainable sanitation and water management! Single Ventilated Improved Pit (VIP) | SSWM - Find tools for sustainable sanitation and water management!](https://sswm.info/sites/default/files/schematic_technology/Tilley%20et%20al%202014%20Schematic%20of%20the%20Single%20Ventilated%20Improved%20Pit%20VIP_0.png)