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Table 4.1 Linnaean Classification System of Organisms. Domain Kingdom Phylum Class Order Family Genus Species Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.2 Comparison of prokaryotic and eukaryotic cells. Characteristic Prokaryotic Eukaryotic Cell wall Composed of peptidoglycan Absent of peptidoglycan DNA Nucleoid or plasmids Chromosomal DNA Energy generation Part of cytoplasmic membrane Mitochondria Nucleus Absent Present Photosynthetic pigments Chloroplasts absent Chloroplasts present Phylogenic group Archea, bacteria, cyanobacteria (blue-green algae) Single cell: algae, fungi, and protozoan. Multicellular: animals, fungi, and plants. Size range 1–2 μm by 1–4 μm >5 μm Source: Henze et al. (2008) pp. 10–12; Metcalf and Eddy (2003) page 106; Pelczar et al. (1977) pp. 7–8; Rittman and McCarty (2001) pp. 10–12. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.3 Comparison of free energy yields for oxidation of glucose by various means. Free(energy ) released, kJ 𝛥G∘ Oxidation/reduction reaction Process simulated 1 C H O 24 6 12 6 + Fermentation and aerobic respiration, O2 electron acceptor −120.10 1 C H O 24 6 12 6 + 15 NO−3 + 15 H+ Fermentation and anaerobic respiration, NO2 − electron acceptor −113.63 Fermentation and anaerobic respiration, SO4 2− electron acceptor −20.69 Fermentation and anaerobic respiration, CO2 electron acceptor −17.85 Fermentation to ethanol −10.17 = 1 CO2 4 1 C H O 24 6 12 6 = 1 H S 16 2 1 O 4 2 = + 1 N 10 2 + 1 SO2− 4 8 + 1 CO2 4 + 1 HS− 16 + 7 H O 20 2 + 3 + H 16 + 14 CO2 + 14 H2 O 1 C H O 24 6 12 6 = 18 CO2 + 18 CH4 1 C H O 24 6 12 6 = 1 CO2 12 1 H O 4 2 + 1 CH3 CH2 OH 12 Adapted from Metcalf and Eddy (2003), pp. 572–573. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. e− eq Table 4.4 Microbial reactions and their nutritional classification. Microbial reaction Nutritional classification light 5CO2 + 3H2 O + NH3 −−−→ C5 H7 O2 N + 5O2 + H2 O Autotrophic, photosynthetic C5 H7 O2 N + 5O2 → 5CO2 + 2H2 O + NH3 Cellular respiration, aerobic C6 H12 O6 + 6O2 → 6CO2 + 6H2 O Heterotrophic, aerobic (aerobic oxidation) C6 H12 O6 → 2C2 H6 O + 2CO2 Heterotrophic, anaerobic (ethanol fermentation) 5C6 H12 O6 + 24 NO−3 + 24 H+ → 30 CO2 + 12 N2 + 42 H2 O Heterotrophic, anoxic (denitrification) 2NH3 + 4O2 → 2HNO3 + 2H2 O Autotrophic, aerobic (nitrification) C6 H12 O6 → 3CO2 + 3CH4 Heterotrophic, anaerobic (methanogenesis) Adapted from Benefield and Randall (1980) page 26; Rittman and McCarty (2001) page 133. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.5 ATP yield from fermentation and aerobic respiration. Pathway or process Mechanism for ATP production Total ATPs produced Fermentation to pyruvate 2 NADH produced 2× Substrate-level phosphorylation 2 ATPs 3 ATPs = 6 ATPs NADH Subtotal = 8 ATPs Aerobic respiration (TCA) cycle 4 NADH produced 4× 3 ATPs = 12 ATPs NADH 1 FADH2 produced 1× 2 ATPs = 2 ATPs NADH GTP + ADP → GDP + ATP 1 ATP Subtotal = 15 ATPs pyruvate 2 moles of pyruvate enter TCA 2× 15 ATPs = 30 ATPs pyruvate Total = 38 ATPs Adapted from Brock (1979), page 111. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.6 Temperature classification of microorganisms. Classification Psychrophiles Temperature range, ∘ C 10 to 30* −7 to 30** −5 to 20*** Mesophiles 20 to 50 25 to 45** 8 to 45*** Thermophiles 35 to 75 45 to 60** 40 to 70*** Hyperthermophiles 65 to 110*** Source: *Metcalf & Eddy (2003), page 559; **Pelczar et al. (1977), pp. 111–112; ***Rittman and McCarty (2001), page 16. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.7 General comments concerning the effect of pH on various microorganisms. Classification pH range Optimal pH *Bacteria Minimum at 4 and maximum at 9.5 6.5 to 7.5 **Fungi Prefer acid environment and have minimum between 1 to 3 5 ***Protozoa 5–8 7 Adapted from *Metcalf and Eddy (2003), page 559; **Gaudy and Gaudy (1988), page 183; ***Pelczar et al. (1977), page 358. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.8 Common amino acids. Name Structure O Aspartic acid O OH OH NH2 http://en.wikipedia.org/wiki/Aspartic_acid Glycine O + H3N − O http://en.wikipedia.org/wiki/Glycine Lysine NH2 O H2N OH http://en.wikipedia.org/wiki/Lysine OH Tyrosine H OH H2N O http://en.wikipedia.org/wiki/Tyrosine Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.9 Nucleic acid bases and structure. Nitrogen base name Nucleic acid Adenine DNA & RNA Nitrogen base structure H2N N N N N H http://en.wikipedia.org/wiki/ Adenine Cytosine DNA & RNA NH2 N N H O http://en.wikipedia.org/wiki/ Cytosine Guanine O DNA & RNA N NH N H N NH2 http://en.wikipedia.org/wiki/ Guanine Thymine O DNA NH N H O http://en.wikipedia.org/wiki/ Thymine Uracil RNA O NH N H O http://en.wikipedia.org/wiki/ Uracil Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.10 Major reservoirs of carbon. Source Quantity, gigatons (Gt) Atmosphere Fossil fuels Oceans Terrestrial biosphere Total % 720 1.6 4,130 9.1 38,400 84.9 2,000 4.4 45,250 100.0 Source: Falkowski et al. (2000), page 29. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.11 Global nitrogen reservoirs. Environment TgN TERRESTRIAL Plant biomass 1.1 × 104 to 1.4 × 104 Animal biomass 2.00 × 102 Litter 1.9 × 103 to 3.3 × 103 Soil: organic matter 3.0 × 105 insoluble inorganic 1.6 × 104 soluble inorganic N.A. microorganisms 5.0 × 102 Rocks 1.9 × 1011 Sediments 4.0 × 108 Coal deposits 1.2 × 105 Subtotal: 1.904 × 1011 OCEANIC Plant biomass 3.0 × 102 Animal biomass 1.7 × 102 Dead organic matter: dissolved 5.3 × 105 particulate 3.0 × 103 to 2.4 × 104 Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.11 (continued ) Environment TgN N2 (dissolved) 2.2 × 107 N2 O 2.0 × 102 NO−3 5.7 × 105 NO−2 5.0 × 102 NH+4 7.0 × 103 Subtotal: 2.31 × 107 ATMOSPHERIC N2 3.9 × 109 N2 O 1.3 × 103 NH3 0.9 NH+4 1.8 NOX 1 to 4 NO−3 0.5 Org-N 1.0 Subtotal: 3.92 × 109 Total 1.943 × 1011 N.A.: not available. Source: Adapted from Soderlund and Svensson, 1976, page 30. Reproduced by permission of John Wiley & Sons Ltd. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.12 Scheme of the global sulfur cycle during the mid-1980s. Number Route Sulfur compounds Flux, TgS/yr 1 Aeolian emission SO2− 4 20 2 Volcanic emission into the continental atmosphere SO2 , H2 S, SO2− 4 10 3 Anthropogenic emission into the atmosphere SO2 , H2 S, SO2− 4 93 4 Emission of long-lived sulfur compounds into continental atmosphere COS, CS2 2 5 Emission of short-lived sulfur compounds into continental atmosphere H2 S, DMS, etc. 20 6 Emission of short-lived sulfur compounds into the atmosphere from coastal regions of the ocean H2 S, DMS 5 7 Emission of short-lived sulfur compounds into the atmosphere from the open ocean DMS, etc. 35 8 Emission of long-lived sulfur compounds into oceanic atmosphere COS, CS2 3 9 Volcanic emission into the oceanic atmosphere SO2 , H2 S, SO2− 4 10 10 Emission of sea salt aerosol sulfur from the ocean SO2− 4 144 11 Anthropogenic output from the lithosphere 2− SO2− 4 ,S 150 12 Weathering and water erosion SO2− 4 72 13 Wastewaters SO2− 4 29 14 Mineral fertilizers SO2− 4 28 15 River runoff into the ocean SO2− 4 213 16 Scavenging from the atmosphere on the continental surface SO2 , SO2− 4 84 17 Scavenging from the atmosphere on the oceanic surface SO2 , SO2− 4 258 18 Transport from the oceanic atmosphere into the continental atmosphere SO2 , SO2− 4 20 Transport from the continental atmosphere into the oceanic atmosphere SO2 , SO2− 4 81 19 COS = carbonyl sulfide; CS2 = carbon disulfide; DMS = dimethyl sulfide. Source: Brimblecombe, et al., 1989, page 83. Reproduced by permission of John Wiley & Sons Ltd. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.13 Solubility of oxygen in water exposed to water-saturated air at atmospheric pressure. Temperature (∘ C) Oxygen solubility (mg/L) Temperature (∘ C) Oxygen solubility (mg/L) Temperature (∘ C) Oxygen solubility (mg/L) 0 14.62 11 11.03 22 8.74 1 14.22 12 10.78 23 8.58 2 13.83 13 10.54 24 8.42 3 13.46 14 10.31 25 8.26 4 13.11 15 10.08 26 8.11 5 12.77 16 9.87 27 7.97 6 12.45 17 9.66 28 7.83 7 12.14 18 9.47 29 7.69 8 11.84 19 9.28 30 7.56 9 11.56 20 9.09 31 7.43 10 11.29 21 8.92 32 7.30 Developed using on-line program from the USGS: http://water.usgs.gov/software/DOTABLES/ Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd. Table 4.14 Reaeration Coefficients. Water body kR at 20∘ C, d−1 Small ponds and backwaters 0.10–0.23 Sluggish streams and large lakes 0.23–0.35 Large streams at low velocity 0.35–0.46 Large streams at normal velocity 0.46–0.69 Swift streams 0.69–1.15 Rapids and waterfalls >1.15 Reaeration coeffients, kR , were calculated using self-purification constants, f, and a deoxygenation constant k of 0.23 d−1 from Fair, Geyer, and Okun (1968) page 33–26. Environmental Engineering: Principles and Practice, First Edition. Richard O. Mines, Jr. © 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd.