Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1979-02-21
1982-01-19
Castel, Benoit
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210743, 210750, 210904, 210 961, 203 7, 203 33, 203 79, 203 97, 55 70, 423356, C02F 312, B01D 338, C02F 110
Patent
active
043115977
ABSTRACT:
A method of removing ammonia from a wastewater containing free and fixed ammonia said process comprising the steps of: distilling the wastewater to remove the free ammonia; treating the distilled wastewater with soda ash to decompose the fixed ammonia; and distilling the treated wastewater to remove the decomposed ammonia.
An apparatus for removing ammonia from a wastewater containing free and fixed ammonia comprising: an ammonia still for removing free and fixed ammonia; a source of soda ash solution; and means for feeding the soda ash solution from said soda ash source to the ammonia still to decompose the fixed ammonia.
REFERENCES:
patent: 1654863 (1928-01-01), Cooper et al.
patent: 2199767 (1910-05-01), Wells et al.
patent: 3278423 (1966-10-01), Millar
patent: 3826815 (1974-07-01), Maurovic
patent: 4061718 (1977-12-01), Verlaeten et al.
patent: 4108735 (1978-08-01), Burcaw, Jr. et al.
patent: 4111759 (1978-09-01), Didycz et al.
patent: 4140586 (1979-02-01), Kwasnoski et al.
Wong-Chong, G. M., "Design and Operation of Biological Treatment for Coke Plant Wastewaters", Carnegie-Mellon Institute of Research; Sep. 9, 1978.
Adams, Jr., C. E.; "Treatment of a High Strength Phenolic and Ammonia Wastestream by Single and Multi-Stage Activated Sludge Processes"; Proc. of the 29th Ind. Waste Conf.; Purdue University; pp. 617-630 (1974).
Castel Benoit
Republic Steel Corporation
The Hanna Furnace Corporation
LandOfFree
Method and apparatus for treatment of wastewater does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for treatment of wastewater, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for treatment of wastewater will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1914352