Quy trình xử lý nước (nhà máy nhiệt điện khí cà mau)

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1 Introduction 2 Design Basis 2.1 Raw water Quality 2.2 Flow Rate Calculations 2.3 Pretreatment System 2.4 Demineralisation System 2.5 Potable Water System 3 Process Description System configuration 3.1 Pretreatment System 3.1.1 Clarifier System 3.1.2 Filtration System 3.2 Demineralization System 3.2.1 Reverse Osmosis System 3.2.2 Degassification System 3.2.3 Mixed Bed Ion Exchange System 3.2.4 Demineralised Water Storage transfer system 3.3 Potable Water System 3.3.1 Nano Filtration System 3.3.2 Potable Water Storage transfer system 4 Detailed operation concept 4.1 Pretreatment System 4.1.1 Clarifier System 4.1.1.1 Startup procedure 4.1.1.2 Normal operation procedure 4.1.1.3 Shutdown procedure 4.1.1.4 Chemical preparation procedure 4.1.2 ConventionalFiltration System 4.1.2.1 Startup procedure 4.1.2.2 Normal operation procedure 4.1.2.3 Shutdown procedure 4.1.3 Membrane Based Filtration System 4.1.3.1 Startup procedure 4.1.3.2 Normal operation procedure 4.1.3.3 Shutdown procedure 4.1.3.4 Chemical Preparation Procedure 4.2 Demineralisation System CM1L3M01GC52100001001 Process Description for the Water Treatment system Revision B 26 July 2006 Page 2of 36 4.2.1 Reverse Osmosis System 4.2.1.1 Startup procedure 4.2.1.2 Normal operation procedure 4.2.1.3 Shutdown procedure 4.2.1.4 Chemical Cleaning Procedure 4.2.1.5 Chemical Preparation Procedure 4.2.2 Degassification System 4.2.2.1 Startup procedure 4.2.2.2 Normal operation procedure 4.2.2.3 Shutdown procedure 4.2.3 Mixed Bed Ion Exchange System 4.2.3.1 Startup procedure 4.2.3.2 Normal operation procedure 4.2.3.3 Shutdown procedure 4.2.4 Demineralised Water Storage transfer system 4.2.4.1 Startup procedure 4.2.4.2 Normal operation procedure 4.2.4.3 Shutdown procedure 4.3 Potable Water System 4.3.1 Nano Filtration System 4.3.1.1 Startup procedure 4.3.1.2 Normal operation procedure 4.3.1.3 Shutdown procedure 4.3.1.4 Chemical cleaning Procedure 4.3.2 Potable Water Storage transfer system 4.3.2.1 Startup procedure 4.3.2.2 Normal operation procedure 4.3.2.3 Shutdown procedure ANNEXURE A FLOW RATE CALCULATION CM1-L3-M-01GC-52-100001-001 Process Description for the Water Treatment system Revision B 26 July 2006 Page of 36 Process Description for Water Treatment System Contents Introduction Design Basis 2.1 2.2 2.3 2.4 2.5 Raw water Quality Flow Rate Calculations Pretreatment System Demineralisation System Potable Water System Process Description & System configuration 3.1 Pretreatment System 3.1.1 Clarifier System 3.1.2 Filtration System 3.2 Demineralization System 3.2.1 Reverse Osmosis System 3.2.2 Degassification System 3.2.3 Mixed Bed Ion Exchange System 3.2.4 Demineralised Water Storage & transfer system 3.3 Potable Water System 3.3.1 Nano Filtration System 3.3.2 Potable Water Storage & transfer system Detailed operation concept 4.1 4.2 Pretreatment System 4.1.1 Clarifier System 4.1.1.1 Startup procedure 4.1.1.2 Normal operation procedure 4.1.1.3 Shutdown procedure 4.1.1.4 Chemical preparation procedure 4.1.2 Conventional-Filtration System 4.1.2.1 Startup procedure 4.1.2.2 Normal operation procedure 4.1.2.3 Shutdown procedure 4.1.3 Membrane Based Filtration System 4.1.3.1 Startup procedure 4.1.3.2 Normal operation procedure 4.1.3.3 Shutdown procedure 4.1.3.4 Chemical Preparation Procedure Demineralisation System CM1-L3-M-01GC-52-100001-001 Process Description for the Water Treatment system Revision B 26 July 2006 Page of 36 4.3 4.2.1 Reverse Osmosis System 4.2.1.1 Startup procedure 4.2.1.2 Normal operation procedure 4.2.1.3 Shutdown procedure 4.2.1.4 Chemical Cleaning Procedure 4.2.1.5 Chemical Preparation Procedure 4.2.2 Degassification System 4.2.2.1 Startup procedure 4.2.2.2 Normal operation procedure 4.2.2.3 Shutdown procedure 4.2.3 Mixed Bed Ion Exchange System 4.2.3.1 Startup procedure 4.2.3.2 Normal operation procedure 4.2.3.3 Shutdown procedure 4.2.4 Demineralised Water Storage & transfer system 4.2.4.1 Startup procedure 4.2.4.2 Normal operation procedure 4.2.4.3 Shutdown procedure Potable Water System 4.3.1 Nano Filtration System 4.3.1.1 Startup procedure 4.3.1.2 Normal operation procedure 4.3.1.3 Shutdown procedure 4.3.1.4 Chemical cleaning Procedure 4.3.2 Potable Water Storage & transfer system 4.3.2.1 Startup procedure 4.3.2.2 Normal operation procedure 4.3.2.3 Shutdown procedure ANNEXURE A FLOW RATE CALCULATIONS CM1-L3-M-01GC-52-100001-001 Process Description for the Water Treatment system Revision B 26 July 2006 Page of 36 INTRODUCTION Water Treatment shall cater to the needs of both Camau & Camau II for Boiler feed and potable water needs Water from Municipal water supply (Filtered water) is treated in the Pretreatment system before it is divided into two streams, one for Boiler feed treatment and the other for Potable water treatment The plant essentially consists of the following three systems: Pretreatment System Demineralisation System Potable water System The following P&ID may be referred to for Process description: CM1-L3-M1-01GC-52-100001-001-Raw water transfer system CM1-L3-M1-01GC-52-100001-002-Pretreatment dosing system CM1-L3-M1-01GC-52-100001-003- Pretreatment reactivator clarifier CM1-L3-M1-01GC-52-100001-004- Prefiltration multigrade filter (MGF) CM1-L3- M1-01GC-52-100001-005- Prefiltration activated carbon filter (ACF) CM1-L3- M1-01GC-52-100001-006- Micro filtration system CM1-L3- M1-01GC-52-100001-007- Micro filtration permeate storage and distribution CM1-L3- M1-01GC-52-100001-008- Reverse Osmosis (RO) dosing and filtration CM1-L3- M1-01GC-52-100001-009- RO and degasser system 10 CM1-L3- M1-01GC-52-100001-0010- Demineralised water (DM) polishing 11 CM1-L3- M1-01GC-52-100001-0011- DM water storage and distribution 12 CM1-L3- M1-01GC-52-100001-0012- Potable water treatment 13 CM1-L3- M1-01GC-52-100001-0013- Potable water storage and distribution 14 CM1-L3- M1-01GC-52-100001-0014- Chemical cleaning CM1-L3-M-01GC-52-100001-001 Process Description for the Water Treatment system Revision B 26 July 2006 Page of 36 DESIGN BASIS 2.1 Raw water quality The plant is designed for the analysis mentioned in the original tender However the design of water treatment plant can handle the below analysis also No Parameters Sample Sample Average 7.37 7.35 7.36 C 32.7 32.4 32.6 mS/cm 0.98 1.04 1.01 Unit pH o Temperature Conductivity Turbidity NTU
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