Bridge orlando regional

Mixed liquor from the reaeration basin discharges to the appropriate Bardenpho Alum Mix Box. Alum is added to the mix box based on the soluble phosphorus concentration in the clarifier effluent. Alum addition may be required in order to remove residual phosphorus that cannot be removed by luxury uptake in the biological process.

Mixed liquor from the Alum Mix Box discharges to the clarifier influent Splitter Box, where the mixed liquor is then distributed to the secondary clarifiers. The clarifiers are center feed peripheral draw units with suction withdrawal mechanisms for sludge removal. Sludge is withdrawn from the clarifiers at a rate controlled by individual telescoping valves and discharged to RAS pump stations.

Pumps in the wet wells return the settled solids to the fermentation basins of the Bardenpho process trains. The settled solids from the clarifiers are discharged to the RAS pump station and are returned to the Bardenpho Trains.

The sludge from both wet wells is wasted in a common header to the sludge holdings tanks. Scum collected by rotating arms on the clarifiers is withdrawn by pneumatic scum ejectors. The captured scum is discharged with the WAS to the sludge holding tanks. Treated effluent from the secondary clarifiers flows by gravity to the deep bed filter DBF splitter box.

A weir gate in the splitter box allows flow from the Bardenpho system clarifiers to be applied to either the Deep Bed filters, or the ABW filters. Solids removed by the DBF'S are backwashed from the media and discharged to the recycle backwash pump station. The recycle backwash pump station returns the solids to the RBC pretreatment structure.

Effluent from the filters mixes with the effluent from the ABW filters and discharges to either the chlorine contact chambers, or the Wetlands Pump Station. The dechlorinated effluent leaving the contact chambers passes through the post aeration basins before entering the final discharge channel to the river. Floating surface aerators in the basins are used to increase the dissolved oxygen concentration of the effluent prior to river discharge.

Each of the trains has a treatment capacity of 6 mgd producing a combined Bardenpho design capacity of 24 mgd. The Bardenpho system was designed to produce an effluent, after clarification and filtration, with the following characteristics:.

After screening, raw wastewater is pumped from the master pump station through the west force main to the Bardenpho pretreatment structure. The pretreatment structure is designed to remove grit from the raw wastewater to reduce the potential for damage to downstream mechanical equipment and prevent accumulation of grit in downstream tanks. The grit is removed in four mechanically induced vortex grit removal units.

The dewatered grit is hauled by the city to an approved disposal site. Each Phase consists of 2 sets of parallel process trains and clarifiers.

From the Master Pump Station, wastewater is pumped through the east force main to the RBC plant pretreatment structure, and through the west force main to the Bardenpho pretreatment structure. The RBC plant pretreatment process includes an aerated grit removal system and comminutors. Grit is a combination of sand, cinders, egg shells, and other inorganic material in the influent wastewater. Grit removal provides protection of downstream pumps, pipes, valves, etc.

Grit removed from the pretreatment structure is hauled by the city to an approved landfill disposal site. Material ground by the comminutors is discharged into the RBC plant. After pretreatment, the wastewater enters the primary clarifiers. Sludge is drawn from the clarifiers and pumped to the anaerobic digesters for volume reduction and Class "B" stabilization.

Following the primary clarifiers are two 2 MG aerated equalization tanks. When flows to the downstream RBC's exceed a predetermined amount, the equalization tanks are used to store the excess. When flows decrease, the wastewater in the tanks is pumped to the RBC's. Using this system, large diurnal variations in flow are dampened. The RBC'S are a fixed film attached growth treatment system similar to trickling filters designed to provide BOD removal and nitrification.

The plant uses 19 parallel trains of air-driven RBC'S with nine shafts per train. The first three RBC shafts in each train have standard density media while the remaining six have high density media.

The number of trains in service is determined by the operating efficiency of the process From the RBC's, wastewater flows through the methanol mix box to the denitrification denite RBC's. There are six trains of denite RBC's with six shafts per train. The RBC's are submerged to prevent contact of the microorganisms with air and to promote anoxic conditions.

The denite RBC's are a fixed film system that uses methanol as a carbon BOD source so that facultative microorganisms may convert nitrate-nitrogen to nitrogen gas.

The aerators in the final bay of each train are used to strip nitrogen gas from the wastewater to the atmosphere. Wastewater leaving the denite RBC's flows to the pumpback station from where it is pumped through the polymer mix tank to the clarifiers. Alum is added to the pump station discharge line for phosphorus removal. Polymer is added in the mix tank to increase solids flocculation and settling efficiency. Settled solids are collected in clarifier sludge hoppers and pumped to the sludge holding tanks prior to further processing in the anaerobic digestion system.

The ABW filters have sand media and are equipped with automatic traveling carriages for backwashing of the media. The RBC effluent entering the pre-filtration Junction Box can be mixed with the discharge from the Bardenpho clarifiers that is not processed through the deep bed filters. The effluent discharged to the wetlands is chlorinated in the wetlands force main by a chlorine injection system located in the wetlands pump station inlet well. The effluent discharged to the Little Econlockhatchee River Little Econ is chlorinated, and then dechlorinated, in the chlorine contact chambers.

The chlorination system serving the chlorine contact chambers is sized to accomplish breakpoint chlorination. Breakpoint chlorination is a process which oxidizes ammonia to nitrogen gas. The process is extremely expensive and is normally used only when the upstream biological processes fail to remove sufficient ammonia to meet permit requirements. A caustic feed system is provided as part of the breakpoint system in order to produce the optimum pH required by the process.

All of the effluent leaving the chlorine contact chambers is dechlorinated using a sulfur dioxide injection system. Check our website and come by the Bridge Center for a Game.

The Sunday lessons are designed for beginning and intermediate players. You can pay the game fee and play as usual, or you can pay for the lesson which includes the class, lunch, and entry to the open game. Sunday Lessons begin at Pizza will be served prior to the game. Thursday Lessons begin at Please let us know which lessons you plan to attend so we can plan appropriately. Contact Maureen: maureenloeb gmail. And it is Free. Send your questions to Dave Hoyle at dave onlinebridgecenter.

A lot is happening. We got our shipment of Easy Bridge books yesterday. That means that we will be offering an Easy Bridge course taught by David Hoyle.

We are looking for people who are new to Bridge or new to Duplicate. If you play social bridge, away from duplicate bridge in approved places, talk to your friends who play socially. Tell them about the fun and the good people. If they have never played Bridge tell them about the fun you are having. David and Maureen Loeb are talking about lessons before the game on Thursday and Sunday. The point was they were probably worth a little more than the usual high card point count.

Particularly if they are together. He also mentioned that together they are even more valuable because an AK combination will usually take two tricks in that suit. Also, I think he mentioned that a KQ limited you to mostly 1 loser. Following that lesson, I applied what he was talking about to upgrade a couple of hands and it made a difference. In a short time we will be coming out with a list of classes and the cost.

Watch for an email and check out our web site. You will know you are helping someone and having fun. What is better than that!