# Waste heat for drying, water and food: Overview

Turning factory heat into fresh water, food and dry goods

Source page: https://www.materialinsights.org/energy/e_waste_heat_uses/overview/

What this tile covers Low-grade heat put to work drying products, making fresh water and warming greenhouses.

#### Key facts

| **Heat grade** | Low to medium |
|---|---|

#### Included from the reference tables

- Drying of products, sludge, grain and timber
- Thermal desalination (MED, MSF)
- Greenhouses, aquaculture and algae
- Carbon-capture solvent regeneration
- Absorption chillers and desiccant dehumidification

#### Also in Heat to heat
[Rcp Recuperators and regenerators](https://www.materialinsights.org/energy/e_recuperators/)[Eco Boiler heat recovery](https://www.materialinsights.org/energy/e_boiler_recovery/)[HX Heat exchangers and pinch integration](https://www.materialinsights.org/energy/e_heat_exchangers/)

Explore paths from here
 More on this tile in the tabs above: science and thermodynamics, engineering and integration, economics and contracts, impact and additionality, what to track.

## Other sections

- [Summary](https://www.materialinsights.org/energy/e_waste_heat_uses/index.md)
- [Correlation](https://www.materialinsights.org/energy/e_waste_heat_uses/correlation/index.md)
- [Science and thermodynamics](https://www.materialinsights.org/energy/e_waste_heat_uses/rc-sci/index.md)
- [Engineering and integration](https://www.materialinsights.org/energy/e_waste_heat_uses/rc-eng/index.md)
- [Economics and contracts](https://www.materialinsights.org/energy/e_waste_heat_uses/rc-econ/index.md)
- [Impact and additionality](https://www.materialinsights.org/energy/e_waste_heat_uses/rc-impact/index.md)
- [What to track](https://www.materialinsights.org/energy/e_waste_heat_uses/tracking/index.md)
- [Relationships](https://www.materialinsights.org/energy/e_waste_heat_uses/links/index.md)