Clean Steam Generator
Clean steam generation uses a specialized operation unit which facilitates heat transfer
between feed water and plant steam. The result is the evaporation of the feed water into clean
steam while the plant steam condensates. The clean steam is collected above and recondensed into
liquid in another operation unit.
Although no specific feed water quality is required, it is recommended to utilize water that
contains no hardness and has low alkalinity levels to prevent scaling inside the unit and minimize
carbon dioxide emissions. The clean steam generated is free from bacterial contamination. Common
industries that use this technology include pharmaceuticals, food, and laboratories.
The most important utility for clean steam generator is the source of house steam which can
be generated through different methods. Clean steam generators are used in combination with
other desalination methods so that they are able to use steam from other processes to reduce
energy costs.
The advantages of a clean steam generator are: (1) infrequent maintenance, (2) fewer
depositing inside chamber and not susceptible to corrosion, (3) low carbon emissions. While the
disadvantages are: (1) high production cost, (2) requires additional space inside plant, (3)
expensive piping and component material.
References:
Shi, L., Wang, X., Hu, Y., He, Y., & Yan, Y. (2020). Solar-thermal conversion and steam
generation: a review. Applied Thermal Engineering, 179, 115691.
Zhou, J., Gu, Y., Liu, P., Wang, P., Miao, L., Liu, J., ... & Zhu, J. (2019). Development and evolution
of the system structure for highly efficient solar steam generation from zero to three
dimensions. Advanced Functional Materials, 29(50), 1903255.