Key Colony beach, florida

Wastewater Reuse for Community Irrigation: The City of Key Colony Beach, Florida

 

所面临的挑战

In 2013 the City of Key Colony Beach sought to replace their existing reverse osmosis treatment plant and equipment which had reached the end of its useful life. The application presented a series of unique challenges most notable the source water: secondary clarifier effluent, from the onsite wastewater treatment plant, influenced by tidal infiltration resulting in TDS swings from 2,000 to 16,000毫克/升.

 

 

解决方案

In March of 2013 低质粗支亚麻纱 R/O competitively bid and was awarded the contract to supply the replacement equipment; a single 7:0 ‐ 4 element train designed for 45% recovery.

Desalination Seawater Reverse Osmosis RO Plant  in Key Colony Beach Florida
Seawater Reverse Osmosis Skid Instrumentation Plant in Key Colony Florida
Seawater Reverse Osmosis RO Cleaning System in Key Colony Beach Florida

结果

A high efficiency system designed for maximum energy recovery through wide swings in feed TDS and temperature that produces less than 50 TDS permeate. Major points of emphasis within the design included a custom fiberglass frame complete with 316 stainless steel hardware to combat the corrosive environment of this application and the Florida Keys, use of an energy recovery turbo designed for maximum energy recovery and transfer of concentrate energy to the feed water.

低质粗支亚麻纱 R/O was responsible for providing the RO system, cartridge filtration, RO high pressure feed pumps, energy recovery turbo, 控制, scale inhibitor pretreatment system, and cleaning system. 低质粗支亚麻纱 was also charged with onsite equipment installation, performance testing, 培训, and system performance monitoring.

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Brief R/O System Specification

老板:  The City of Key Colony Beach, Florida
应用程序:  Treating wastewater for use as an irrigation supply
启动:  2014年12月
容量:  100,000 gallons per day of permeate water at 45% recovery
数组:  Single stage, 7 pressure vessels containing 4 elements per vessel
预处理:  Scale inhibitor, cartridge filter
Low Pressure Piping:  原理图. 80年聚氯乙烯
High Pressure Piping:  316 Stainless Steel
Membrane Type:  Hydranautics SWC5‐LD
Frame Material:  Fiberglass reinforced polymer (pultruded)

                      Operating Data
Feed Conductivity:  6,680 μS/cm (at start‐up)
Feed Temperature:  28.2 °C
Feed Pressure:  210 psig
涡轮推动:  42 psig
 SDI:  1.25
Permeate Conductivity:  25.5 μS/cm.6%被拒绝)
Permeate Flow:  70.2 gpm (45% recovery)
System Features: 
  • Corrosion Proof FRP frame
  • FRP cartridge filter
  • scale inhibitor system
  • online turbidity monitoring
  • energy recovery device
  • 316SS high pressure feed pump (Goulds, VFD)
  • CIP/permeate flush system (Goulds, VFD)
  • PLC Ethernet based control system with HMI interface

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