01164nam a2200205Ia 4500 CTU_30764 210402s9999 xx 000 0 und d 736.500đ 621.18 N972 Robert G Nunn Water treatment essential for boiler plant operation Robert G Nunn New York McGraw-Hill 1997 The book contains simple fundamental explanations of boiler room equipment operation, covering different types of systems - such as cooling towers, hot water boilers, and steam boilers - and their associated equipment. It includes helpful suggestions on how to cal culate amounts of chemical to be used in steam boilers, cooling towers, and ion exchange equipment. It also discusses scale, corrosion, algae growth, microbiological growth, and the chemicals and equipment used to control these problems. and it covers pumps, pump calculations, hydronic systems, control devices, and treatments feed-water purification,steam-boilers - water supply Minh, 990528 Trung tâm Học liệu Trường Đại học Cần Thơ