By Rajindar Singh
Membrane know-how and Engineering for Water Purification, second edition is written in a pragmatic variety with emphasis on: approach description; key unit operations; structures layout and prices; plant gear description; gear deploy; safeguard and upkeep; procedure keep an eye on; plant start-up; and operation and troubleshooting. it truly is supplemented through case reports and engineering rules-of-thumb. the writer is a chemical engineer with huge event within the box, and his technical wisdom and useful knowledge within the water purification are summarized succinctly during this new edition.
This ebook will let you know which membranes to exploit in water purification and why, the place and whilst to exploit them. it is going to assist you to troubleshoot and enhance functionality and offers case stories to help knowing via real-life examples.
- Membrane know-how part up-to-date to incorporate ahead osmosis, electrodialysis, and diffusion dialysis
- Hybrid Membrane structures improved to hide 0 liquid discharge, salt restoration and elimination of hint contaminants
- Includes a brand new part on plant layout, power, and economics
Read Online or Download Membrane Technology and Engineering for Water Purification : Application, Systems Design and Operation PDF
Similar water supply & land use books
Accomplished in its scope and without delay acceptable to day-by-day waste administration difficulties of particular industries, Waste remedy within the steel production, Forming, Coating, and completing Industries covers damaging commercial waste remedy, upkeep, and reuse within the steel production, forming, coating, enameling, and completing industries.
First released in 1993. Routledge is an imprint of Taylor & Francis, an informa corporation.
This ebook describes the resources of water infection through PAHs and their transportation and destiny in normal aquatic platforms. It then discusses, from the analytical chemist’s view, the best way to be sure the presence of PAHs in water and wastewater, and the adjustments in PAH focus in the course of remedy procedures.
Additional info for Membrane Technology and Engineering for Water Purification : Application, Systems Design and Operation
Organo-mineral membranes that are intermediate between polymeric and ceramic membranes. 5 and 80 μm [17–19]. They can be more expensive than ceramic membranes, and are limited in selection by their pore size range. , UF organo-mineral membranes are composed of a polymeric matrix (mostly PS) in which zirconia grains are dispersed finely as a filler material. The organo-mineral membranes have a considerably higher flux than traditional polymeric membranes. Charged membranes Charged membranes are highly swollen gels containing polymers with a fixed ionic charge.
The very high salt rejection of polyamide TFC membranes without sacrificing high flux is due to its ionic character, which results in co-ion repulsion. The negatively charged TFC membranes have an iso-electric point between 4 and 5. 0, a net negative charge. 5 to enhance rejection. Unlike PA membranes, polyether urea (PEU) membranes are neutral to slightly positive. PEU (and CA) membranes, unlike aromatic PA membranes, have a smooth surface and are, therefore, less prone to fouling . For RO feed water such as surface and municipal water, which are treated with cationic polymeric coagulants, PEU membranes, not negatively charged PA membranes, are used to minimise fouling.
UF is used for removing macromolecules, colloids, colloidal silica, emulsified oil, endotoxins, pyrogens, viruses and bacteria. UF has been traditionally used for removing high molecular weight organic compounds such as proteins and colloids and oils [18, 31]. Semicontinuous dead-end UF membrane systems were introduced in the mid-1990s for municipal water treatment applications, including treatment of surface water for production of safe drinking water and advanced tertiary treatment of municipal wastewater for recovery and re-use [33–35].