Bioenergy - 2022 Project Updates
See the Bioenergy project progress in photos in 2022
December 2022 Updates
Demolition of gravity thickeners and pump station
Aerial Photo in December 2022
Large diameter white piping is the odor control ductwork at the cake receiving facility
White Ductwork is for odor control, steel piping takes solids for thermal hydrolysis processing
Overhead view of anaerobic digesters and digester control building
Gas conditioning equipment in the combined heat and power area
Closer view of the gas conditioning equipment and filters in the Gas Handling area
One of the generators inside a facility
November 2022 Updates
Aerial photo of the site taken earlier this week. There is currently a lot of work going on at the Cake Receiving Facility and the Combined Heat & Power area of the project.
The four tanks on the right are Gravity Thickeners. Three of them are getting new mechanical equipment installed and will be repurposed for this project.
Aerial view of the Cake Receiving Facility. Ductwork and piping under construction.
Construction in progress on the discharge piping from the Cake Receiving Facility.
Aerial view of the Combined Heat & Power Area and Gas Treatment Area. The second generator was put in place this month.
This is the equipment that will be used to remove the hydrogen sulfide from the digester gas, part of the gas treatment process we’re using to create renewable natural gas.
This is the second generator being set in place using the 5-ton crane on the right side of the photo.
At the southeast corner of the Solids Building, this is the Odor Control equipment. The three grey units are the blowers.
This is Generator No. 2 arriving on site.
Bioenergy at Night.
October 2022 Updates
Aerial photo of the Bioenergy Site, the roads around the site have been rough-graded while other areas have been graded to their final elevations.
This is the conveyor between the Solids Building and the Final Cake Storage Facility. Work on the conveyor equipment is nearing completion.
Aerial view of the Cake Receiving Facility. The access bridge between the two silos is completed as is the majority of the piping.
This photo is taken on top of the Digester. Workers are putting insulation on the digester gas piping.
This photo is taken from the top of the Digester looking down between the Digester and the Digester Control Building. It shows the pipe connections between the two.
The equipment going up in the background is the gas conditioning equipment that upgrades the methane produced in the Anaerobic Digesters into renewable natural gas that can be used for fuel in our generators.
Closer view of the gas conditioning equipment.
On the concrete pad is pumping equipment on the left and gas conditioning equipment on the right.
This is the first of three generators that was put in place this past month.
New equipment going into the gravity thickeners.
Workers here are constructing the foundation pads for the Odor Control equipment that will be delivered to the site later this month.
Workers installing the new surge tank near the Filter Building.
Natural Gas pipelines connecting the Combined Heat & Power equipment to the Washington Gas Facilities on site.
September 2022 Updates
Both of the Storage Silos at the Cake Receiving Facility are now in their final location. The roof on the Odor Control Building has been completed.
This is the Odorous Air piping from the Cake Receiving Facility, along the front of the Solids Building, on its way to the Odor Control Building.
The Cake Receiving Storage Silos are in place and connected with the access stairs and bridge. The Odorous Air piping runs between the two silos.
Last month the Heat Exchanger (HEX) was in place. Now the piping is connected and is running through the trench toward the Cambi Thermal Hydrolysis equipment. The HEX takes heat from the process flow between the Thermal Hydrolysis and the Anaerobic Dige
These steam lines will be coming from the Boilers over to the Digesters.
This concrete pad has been prepared and is waiting for the arrival of the Gas Conditioning equipment.
The first of the Gas Conditioning Equipment has been set in place.
The pads are prepared. The Boilers will be on the left. Generators will be on the right.
This photo is from the top deck of the reactors at the Sidestream Treatment Facility. The small pipes overhead supported by the pipe racks are the electrical conduits.
The process water used in the Thermal Hydrolysis/Anaerobic Digestion process has strict disinfection requirements. This Ultraviolet disinfection equipment is used for that purpose.
New pumps and piping for the plant’s Utility Water System.
August 2022 Updates
The most significant new construction this month is the UV (ultraviolet treatment) / Odor Control Building. The pre-fabricated walls were erected this month.
Overhead shot of the Cake Receiving, the Cambi THP (thermal hydrolysis process), and the Odor Control Building.
Workers on the mezzanine level in the Solids Building inspecting the Belt Filter Presses. The conveyors leading to the Cake Storage Facility are behind them.
These pipes will take the cake from Cake Receiving over to Cambi.
These are the pumps in the Cake Receiving Facility.
Current view of the Anaerobic Digesters with all the pipe racks, process piping, and digester gas piping.
Waiting for our Boilers, Generators and Gas Cleaning equipment
Electrical work going on at the Sidestream Treatment Facility with new conduit and wiring being installed.
This is inside the new UV/Odor Control Building. The precast wall panels went up this last month.
This connection to the Washington Gas facility that they’re building at Piscataway will make us eligible for the Renewable Energy Credits that will have a big financial impact for us.
July 2022 Updates
This is the Combined Heat & Power (CHP) area waiting the arrival of the Boilers, Generators and Gas Cleaning equipment. It will all be arriving by this Fall.
The concrete finishers doing their magic on the fresh slab pour.
Pouring the slab at the UV Treatment Building.
Here the steelworkers are setting the slab reinforcement in preparation of the concrete pour for the UV Treatment Building slab.
This is the Heat Exchanger (HEX) that cools the liquid sludge after it leaves the Cambi Thermal Hydrolysis Process (THP) on its way to the Anaerobic Digesters.
This piece of equipment is the Digester Gas Accumulator being piped in.
Inside the Electrical Room of the Digester Control Building, this equipment drives the pump motors that feed the Digesters.
Construction of the Digested Gas piping that runs from the Digester Control Building over to the Combined Heat & Power area of the project site.
This is the Sludge piping under construction between the Cambi equipment and the Heat Exchanger.
The Cake Receiving Facility, this is Bin #2 under construction.
The slab has just been poured for the UV Treatment Building. It’s covered in this photo to facilitate proper curing.
This is the underside of the Conveyor Bridge that runs between the Solids Building and the Class A Biosolids Storage Facility. The steel conduit is carrying the electrical and control wiring.
The conveyor transports the final Class A Biosolids from the Solids Building on the left.
June 2022 Updates
This photo shows the Belt Filter Presses and the Polymer Tanks that will be used in the dewatering process. Along the top of the back wall is the odor ventilation system.
In the middle of the photo workers are excavating a trench for the electrical duct bank that will provide power to the Ultra Violet disinfection system. Back in the distance you can see work going on at the Raw Water Pump Station Project site
In the Solids Building this photo shows the Sludge Holding Tank, the Polymer Tanks and the associated process piping.
The equipment on the right is the Heat Exchangers (HEX). This is used to cool the sludge as it goes from the Cambi process to the Anaerobic Digestion process.
This is a closer view of the Heat Exchanger piping.
Inside the Digester Control Building you can see the green mixing pumps and motors. The large process piping is all painted, bolted and supported in place. At the top of the building near the ceiling is the yellow bridge crane that is now completed.
Mechanical work ongoing at the four Gravity Thickeners. Inside the Chemical Building the contractor is still busy with the piping connections and the electrical work.
May 2022 Updates
Aerial photo of the project site taken on May 2, 2022. The most visible progress this past month is in the area of the Cake Receiving Facility. This is where the sludge from the other WRRF’s is unloaded to begin processing.
View inside the Solids Building which houses the Belt Filter Presses used for dewatering the biosolids. The white duct work running along the top of the wall is for the Odor Control system.
Another photo inside the Solids Building. That pipe is the drain line from the Belt Filter Presses.
Aerial photo of the Cake Receiving Facility. The stair tower is nearing completion and work has started on the storage silo next to the stairs. Within the next couple of months both storage silos should be completed.
These auger units are part of the Cake Receiving Facility used to move the sludge.
. You can see these pipe racks going up around the Digesters, the Boiler area and the Generator area. These racks will support overhead pipes carrying gas and steam to the different process areas.
This pipe bridge crosses the road between the Digester area and the Boilers. It will support the overhead pipes carrying gas and steam to the Combined Heat & Power area.
Aerial photo of the Combined Heat & Power area (i.e., Boilers, Generators, Gas Cleaning and Storage). New this month is the installation of the 3 lightening masts around the gas storage area
Here is a shot at how these aerial pipe racks will work.
Direct overhead view of the Sidestream Treatment Facility looking down inside the reactors. The safety railings around the top of the structures were completed this month.
This underground pipe network is being installed below what will be the slab for the Ultraviolet (UV) Treatment Facility next to the Heat Exchangers.
April 2022 Updates
In this aerial overview is the start of the construction on the Cake Hoppers at the Cake Receiving Facility.
This is the back side of the Solids Building where the Screenings Facility is located. On the Screenings Facility the roof construction has been completed, the top railing and stairs are in place. The screening equipment inside will soon be installed in
At the Cake Receiving Facility, once the Cake Silo is constructed it will be lifted in place on top of the Cake Hopper. Then a second similar structure will be built on the pad where the first silo is currently being assembled.
Aerial view of the Anaerobic Digesters. The stairs and the connecting bridge have been completed. The overflow trough is nearing completion. Progress continues inside the structures with piping and mechanical work.
This is a good photo of the stonework that has been placed between the boiler pads and the generator pads. The stonework was a “compromise” solution between paving the entire area or grassing it.
This photo is inside the Medium Temperature Hot Water Building showing the pumps, process piping and mechanical work.
These are the transformers that sit outside the Power Distribution Center next to the generators.
This aerial photo of the Sidestream Treatment Facility shows the new aeration piping inside the tanks, the 3 new blowers used in the aeration process, and the new mechanical work at the Gravity Thickeners.
March 2022 Update
These four tanks are Gravity Thickeners that were in place before the Bioenergy Project. They play a role in the separation of the solids from the liquids in the sludge processing.
Aerial view of the Cake Receiving Facility. The roof decking is going on the metal framework. To the right is a section of aerial pipe rack.
This photo shows the installation of two of the Heat Exchanger (HEX) units.
The two redundant Cambi vessels were delivered and installed this month. This will facilitate our annual cleaning and inspection of the equipment by allowing us to still operate while that annual work goes on.
The overhead rollup doors were installed on the Digester Control Building this month.
This photo shows the pumps, process piping and mechanical work inside the Digester Control Building
Here in the Combined Heat & Power (CHP) area of the project site, this photo shows crushed stone being placed between the boiler pads and the generator pads.
The safety rails were added to the Sidestream Treatment Tank this month. Also constructed were the concrete pads that will support the Blowers. Above the Blower pads is the metal framework that will support an overhead canopy above the Blowers.
New electrical gear added inside the existing Utility Water Pump Station.
February 2022 Update
Contractor has formed up the concrete slab pour for the Heat Exchanger. Behind the Solids Building is the new Screenings Facility. (HEX) equipment.
See the structural steel going up at the Cake Receiving Facility.
This aerial view shows the rehabilitation of the gravity thickeners. The top one has the new mechanical equipment already in place. The one on the right has had all the old equipment removed.
Workers here are removing the center column structure from one of the gravity thickeners.
The Contractor is putting the precast wall panels in place on the Screenings Facility on the back side of the Solids Building.
The screening equipment that will be inside this facility will be used to screen out the larger particles from the sludge before it goes through the Thermal Hydrolysis (Cambi) Process.
Overhead view of the Cake Receiving Facility showing the structural steel framework of the building. The two concrete pads below the facility are for the Cake Storage Silos which have not been delivered yet to the site.
In the center of this photo is the formwork set up for the concrete pour on the Heat Exchanger (HEX) pad. The Heat Exchanger equipment is used to cool down the sludge that comes out of the Cambi process on its way to the Anaerobic Digesters.
Also in this photo you can see the concrete pad extended next to the Cambi equipment.
Aerial view of the Anaerobic Digesters and the Digester Control Building to the right.
Aerial view of the Gas Treatment, Gas Storage, and CHP.
Photo of the Sidestream Treatment Area showing the Pump Station, Treatment Tanks, Power Distribution Center and Chemical Building.
January 2022 Update
Aerial view taken this week, January 11, 2022. Shows amazing progress.
This view of the back side of the Solids Building shows the structure that will support the Screening Equipment. Sludge from the Piscataway Plant will be processed through this equipment to assure that all the solid particles will be below a certain size
In the center of this photo you can see the crane in place erecting the superstructure that will support the Cake Receiving Facility.
In the center of the photo is the Digester Control Building. It will contain the electrical and mechanical equipment that will control the process flow through the two Anaerobic Digesters.
This is the area of the project commonly referred to as the Combined Heat & Power Area.
Setting the rebar here for what will be the Temperature Hot Water Facility next to the Boilers at the Combined Heat & Power area.
Aerial view of the Sidestream Treatment Facility.
Last Modified: January 17, 2023, 11:57 am EST