Aquaculture Engineering

av Odd-Ivar Lekang  (inbunden, 2013)

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Aquaculture Engineering (inbunden)
  • Inbunden (hardback)
  • Språk: Engelska
  • Antal sidor: 432
  • Utg.datum: 2013-02-22
  • Upplaga: 2 Rev ed
  • Förlag: Wiley-Blackwell (an imprint of John Wiley & Sons Ltd)
  • Illustrationer: Illustrations
  • Dimensioner: 260 x 203 x 25 mm
  • Vikt: 1088 g
  • Antal komponenter: 1
  • ISBN: 9780470670859

Bloggat om Aquaculture Engineering

Övrig information

<p>Odd-Ivar Lekang is Associate Professor of Aquaculture Engineering at the Department of Mathematical Sciences and Technology at the Norwegian University of Life Sciences in As.


<p>Preface xv <p>1 Introduction 1 <p>1.1 Aquaculture engineering 1 <p>1.2 Classification of aquaculture 1 <p>1.3 The farm: technical components in a system 2 <p>1.3.1 Land-based hatchery and juvenile production farm 2 <p>1.3.2 On-growing sea cage farm 4 <p>1.4 Future trends: increased importance of aquaculture engineering 5 <p>1.5 This textbook 6 <p>References 6 <p>2 Water Transport 7 <p>2.1 Introduction 7 <p>2.2 Pipe and pipe parts 7 <p>2.2.1 Pipes 7 <p>2.2.2 Valves 11 <p>2.2.3 Pipe parts: fittings 12 <p>2.2.4 Pipe connections: jointing 12 <p>2.2.5 Mooring of pipes 13 <p>2.2.6 Ditches for pipes 14 <p>2.3 Water flow and head loss in channels and pipe systems 15 <p>2.3.1 Water flow 15 <p>2.3.2 Head loss in pipelines 16 <p>2.3.3 Head loss in single parts (fittings) 18 <p>2.4 Pumps 19 <p>2.4.1 Types of pump 19 <p>2.4.2 Some definitions 19 <p>2.4.3 Pumping of water requires energy 22 <p>2.4.4 Centrifugal and propeller pumps 23 <p>2.4.5 Pump performance curves and working point for centrifugal pumps 26 <p>2.4.6 Change of water flow or pressure 28 <p>2.4.7 Regulation of flow from selected pumps 29 <p>References 31 <p>3 Water Quality and Water Treatment: An Introduction 32 <p>3.1 Increased focus on water quality 32 <p>3.2 Inlet water 32 <p>3.3 Outlet water 33 <p>3.4 Water treatment 35 <p>References 36 <p>4 Fish Metabolism, Water Quality and Separation Technology 37 <p>4.1 Introduction 37 <p>4.2 Fish metabolism 37 <p>4.2.1 Overview of fish metabolism 37 <p>4.2.2 The energy budget 38 <p>4.3 Separation technology 39 <p>4.3.1 What are the impurities in water? 39 <p>4.3.2 Phosphorus removal: an example 41 <p>References 42 <p>5 Adjustment of pH 43 <p>5.1 Introduction 43 <p>5.2 Definitions 43 <p>5.3 Problems with low pH 44 <p>5.4 pH of different water sources 44 <p>5.5 pH adjustment 45 <p>5.6 Examples of methods for pH adjustment 45 <p>5.6.1 Lime 45 <p>5.6.2 Sea water 47 <p>5.6.3 Lye or hydroxides 47 <p>References 48 <p>6 Removal of Particles: Traditional Methods 50 <p>6.1 Introduction 50 <p>6.2 Characterization of the water 51 <p>6.3 Methods for particle removal in fish farming 51 <p>6.3.1 Mechanical filters and microscreens 52 <p>6.3.2 Depth filtration: granular medium filters 55 <p>6.3.3 Settling or gravity filters 58 <p>6.3.4 Integrated treatment systems 60 <p>6.4 Hydraulic loads on filter units 62 <p>6.5 Purification efficiency 62 <p>6.6 Dual drain tank 63 <p>6.7 Local ecological solutions 64 <p>References 64 <p>7 Protein Skimming, Flotation, Coagulation and Flocculation 66 <p>7.1 Introduction 66 <p>7.1.1 Surface tension, cohesion and adhesion 68 <p>7.1.2 Surfactants 70 <p>7.2 Mechanisms for attachment and removal 71 <p>7.2.1 Attachment of particles to rising bubbles by collision, typically in flotation 72 <p>7.2.2 Improving colloid and particle removal rates: pretreatment 73 <p>7.2.3 Attachment of surface-active substances, typically in protein skimmers 78 <p>7.2.4 Particle attachment by nucleation 80 <p>7.3 Bubbles 80 <p>7.3.1 What is a gas bubble? 80 <p>7.3.2 Methods for bubble generation 80 <p>7.3.3 Bubble size 82 <p>7.3.4 Bubble coalescence 83 <p>7.4 Foam 83 <p>7.4.1 What is foam? 83 <p>7.4.2 Foam stability 84 <p>7.4.3 Foam breakers 85 <p>7.5 Introduction of bubbles affects the gas concentration in the water 85 <p>7.6 Use of bubble columns in aquaculture 85 <p>7.7 Performance of protein skimmers and