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The SHARON (Single reactor system for High activity Ammonium Removal Over Nitrite) wastewater treatment process is a combination of two already used nitrogen removing reactions. One process utilizes fast growing nitrifiers utilizing nitrification of ammonia to nitrite and Anammox which is the denitrification of nitrite to atmospheric nitrogen ...
A nitrogen rejection unit (NRU) selectively removes nitrogen from a gas. The name can be applied to any system that removes nitrogen from natural gas.. For high flow-rate applications, typically above 420 thousand cubic metres (15 million cubic feet) per day at standard pressure, cryogenic processing is the norm. [1]
Sewage treatment is the treatment and disposal of human waste. Sewage is produced by all human communities. Treatment in urbanized areas is typically handled by centralized treatment systems.
Amine gas plant at a natural gas field. Amine gas treating, also known as amine scrubbing, gas sweetening and acid gas removal, refers to a group of processes that use aqueous solutions of various alkylamines (commonly referred to simply as amines) to remove hydrogen sulfide (H 2 S) and carbon dioxide (CO 2) from gases.
The first occurrence of organised solid waste management system appeared in London in the late 18th century. [13] A waste collection and resource recovery system was established around the 'dust-yards'. Main constituent of municipal waste was the coal ash (‘dust’) which had a market value for brick-making and as a soil improver.
The aeration stage and the disinfecting stage are the primary differences from a traditional septic system; in fact, an aerobic treatment system can be used as a secondary treatment for septic tank effluent. [1] These stages increase the initial cost of the aerobic system, and also the maintenance requirements over the passive septic system.
Glycol dehydration is a liquid desiccant system for the removal of water from natural gas and natural gas liquids (NGL). It is the most common and economical means of water removal from these streams. [1] Glycols typically seen in industry include triethylene glycol (TEG), diethylene glycol (DEG), ethylene glycol (MEG), and tetraethylene glycol ...
Residue removal is accomplished during CIP with a combination of heat, chemical action, and turbulent flow. [2] [4] [5] The U.S. Food and Drug Administration published a CIP regulation in 1978 applicable to pharmaceutical manufacturing. The regulation states, "Equipment and utensils shall be cleaned, maintained, and sanitized at appropriate ...