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书名：Wastewater Bacteria 3 `- U4 Q3 m4 U8 w
作者：Michael H. Gerardi- {7 ^% ]! {8 m
出版：WILEY, g2 a7 A: p7 H) l- }# i
日期：2006
/ D! P1 c7 |4 D5 o页数：267, N- [3 o3 U/ K/ u
ISBN-13: 978-0-471-20691-0 (cloth :alk.paper)
+ e5 X- m7 V" v# j7 _4 l" FISBN-10: 0-471-20691-1 (cloth :alk.paper)( e% L% I! i; v9 t$ e5 G. c' ]1 R; @( X
2.09M,PDF格式
, J) `' C7 T B0 I2 X! ~. ]0 F内容
+ F y$ r: J0 A! A/ EThe basic objectives of wastewater treatment are twofold: (1) Degrade organic0 l/ i& {. a5 C M5 a
wastes to a level where they do not exert a significant, dissolved oxygen demand
' d9 ?# @9 g; T' u" s0 E" Lupon receiving waters and (2) remove nutrients (nitrogen and phosphorus) to levels: K2 k4 ^8 h6 r9 h4 S% q
where photosynthetic organisms in receiving waters are limited in their growth. In/ ]3 ]4 U& q9 G
order to achieve these objectives, it is essential for plant operators to understand
! E6 V) |# @2 s1 hthe biological processes and organisms involved in wastewater treatment to ensure
% D0 ?8 E* \$ N: t2 xthat the presence of an adequate, active, and appropriate population of bacteria is0 Q2 F: ^ c5 }
present in each process.The bacteria are the organisms of primary concern in all
! t3 |, j* A, x! Z4 t3 @biological processes. However, bacteria in wastewater are not a monoculture but,
8 y7 ?( y7 l2 h1 Y& Z6 Binstead, a diversity of organisms that perform different roles and have different: }) a( @+ ~) Z( V r |
operational conditions that are best for their optimal activity and growth (i.e.,waste-1 v9 Y' S! A* F" U5 m6 r
water treatment).
2 @4 _: b' H ]( H5 v( [目录
' E2 ~" X a! K9 ]* L3 W# u7 ]9 WPART I BACTERIA AND THEIR ENVIRONMENT 1: |. f5 }: M4 Y3 e5 b& e
1 Wastewater Microorganisms 3& F0 V. r- \! R& @
2 Microbial Ecology 11( o6 j: P6 v1 @9 T$ ^8 b
3 Bacteria 190 Y$ H" f0 ]3 J. C
4 Bacterial Groups 33
+ Q% ]' R$ `5 X6 c5 Bioaugmentation 41& y7 X' U( N: s
6 Pathogenic Bacteria 49- q/ }2 z, `' J6 ~" N2 x
PART II ENZYMES AND BACTERIAL GROWTH 53" z, `( r. f ?; u4 f4 t$ r
7 Enzymes 55
+ @ P O2 U" [% z8 Hydrolytic Bacteria 59
2 V2 _8 M& H$ k. ^. ]9 Bacterial Growth 65. p2 r$ e* z ~: y
PART III NITROGEN, PHOSPHORUS, AND SULFUR BACTERIA 75
2 [3 W8 j) j9 r z/ ~1 ^10 Nitrifying Bacteria 778 Q1 b$ i2 L# @' {& U" x) `, j
11 Denitrifying Bacteria 91
9 Y5 w+ }/ {0 Y1 @.............. |
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