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chemical feed systems

chemical-feed-systems-burt-process

Chemical Feed Systems are designed for automated chemical injection into the chemical feed tank for wastewater treatment. In the dosing process, chemical reagents are added into a water stream at a precisely controlled rate with positive displacement metering pumps. Burt Process Chemical Metering systems have revolutionized the concept of chemical dosing by providing pre-engineered and fully customizable pieces of equipment for water treatment. Our ChemPlus Chemical Dosing System is a pre-engineered solution that can be effectively used in many different industries and in a municipal water treatment process. These are high-performance sodium hypochlorite dosing systems — for example when used for disinfecting potable water or as part of a chemical scrubber system. A compact and lightweight prepackaged skid, corrosion resistance, flexibility of metering pump option, and easy maintenance are some of the advantages of our advanced chemical feed systems. Water treatment uses include disinfection (injection of Peracetic acid - PAA), fluoride treatment, sodium bisulfite metering, sulfuric acid dosing, sodium hypochlorite systems, dispersant polymer dosing, sodium hydroxide feed, potassium permanganate dosing, coagulation & flocculation, hydrochloric acid metering, alum feed, ph neutralization, and antiscalant addition. 

Our ChemPlus chemical feed systems are available in SimplexDuplex, or Triplex configurations with the widest range of pump options, piping arrangements, and materials. Also, our technical expertise in engineered system design with integration of turnkey modules for environmental enclosures helps you develop fully transportable and easy-to-install solutions for your chemical dosing applications. Burt Process designs and manufactures Containerized Chemical Dosing Systems that can be placed in an insulated aluminum container and can be equipped with climate control temperature regulation, leak protection, interior lighting options, louvers, and more. Learn more about Chemical Feed Basics and Dosing Pumps.

  • Single metering pump, inlet & discharge
  • Economical, compact&reliable system
  • Metering a single chemical into a process 
  • Corrosion resistant, reliable chemical skid
  • Two metering pumps
  • Connects to dual independent inlet&discharge
  • Three metering pumps
  • Connects to multiple independent inlet&discharge
  • Provides ideal set-up for lead/lag operation
  • Custom metering systems
  • Revolutionized concept of chemical dosing
  • Fully engineered, pre-packaged, corrosion resistant chemical dosing system

The ChemPlus Simplex System has a single metering pump, inlet, and discharge. This compact, reliable, and economically-priced system meters a single chemical into a tank or process line. The Simplex chemical metering system is a prepackaged skid that offers many metering pump options, including any type of diaphragm, air-operated double diaphragm, peristaltic, electronic metering, or progressing cavity pumps. Various options are available, including a pulsation dampener, pressure relief valve, visual flow indicator, and pump controls.

The ChemPlus Chemical Feed Systems Duplex provides two chemical metering pumps that are connected to a common or dual independent inlet and discharge. This duplex system is useful if you need to meter two different chemicals into a single tank or line, or to move the same chemical into two separate processes. The ChemPlus Duplex is also used as a redundant pump system in processes that require a continual backup pump. This is useful in cases where a process can’t be shut down to perform routine maintenance. In addition to the options available with the simplex system, the duplex can be ordered with the flow and pressure sensors, an MA DEP control station, a conduit box for power and signals, and other useful components.

Burt Process Equipment’s Triplex Chemical Feed System has three chemical metering pumps that can be connected either to a common or to multiple, independent inlet and discharge assemblies. The Triplex feed system provides the ideal set-up for multiple chemistries that must meter into the same process, and it can also be used for redundant pump systems or lead/lag pumping. Using this system, you can double up on the pumps feeding the same tank or line to increase chemical flow intermittently, if required. Create a custom system to fit your application and requirements by choosing from many available options.

With 45 years of chemical processing experience, Burt Process Equipment offers chemical dosing systems that are fully engineered, pre-packaged, corrosion-resistant, and highly customizable. This includes the ability to use the pump technology that best fits the intended usage. The ChemPlus line of chemical feed systems lets engineers and process specialists design the ideal chemical feed system for their chemical metering or water treatment application. View each type of system for selectable components, system arrangements, additional options, product brochures, engineering drawings, and more.

Q: Why Burt Process Equipment Chemical Feed Systems? 

Burt Process's pre-engineered Chemical Dosing Systems offer a wide range of components options, pump selection, and piping arrangements needed to customize chemical injection solutions. Our systems can be skid or wall-mounted and are designed to inject chemicals into a wastewater treatment flow.

  • Wide range of pump technologies (Diaphragm, Gear, Peristaltic, PC, AODD & more)
  • Skid constructed of Polypropylene, HDPE, stainless steel, and FRP
  • PVC, CPVC & PVDF Butt Fusion-welded piping options available
  • Custom Control Options Available
  • Simplex, Duplex, Triplex designs & more
  • Complete system fabrication & factory hydrostatic testing

Q: Types Of Applications Chemical Feed Systems Are Used For? 

  • Municipal Water: Disinfection Systems, Sodium Hypochlorite, pH Adjustment, Fluoride Addition
  • Municipal Wastewater: Fume Scrubbers, General Odor Control, pH Adjustment, Residual Disinfectant Management, Pharmaceutical Sterilization
  • Food & Beverage: Clean-In-Place, Clean-Off-Line, Sterilizer Water Treatment
  • Institutional: Cooling Tower Waste Treatment, Boiler Water Treatment, Closed Loop Systems
  • Other Applications: in Swimming Pools & Water Parks, Mining & Agriculture, Utilities & Dairy Industry, Pulp & Paper, Oil & Gas operations, Crude processing

Q: What are some of the commonly injected chemicals?

Chemical Dosing Systems are used in water treatment applications that require the mixing, storage, and precise dosing of chemical reagents. Dosing the correct chemical at the optimum rate is important to acquire effective operation and achieve optimal long-term application performance.

  • Citric Acid: The most common method of pH treatment. Chemical dosing utilizing citric acid.
  • Chlorine: The most common method of water disinfection. Great for potable water disinfection. Chemical injection utilizes calcium hypochlorite or sodium hypochlorite.
  • De-chlorination: The most common method of de-chlorination. Chemical dosing utilizing sodium bisulfite.
  • Peracetic Acid: PAA is an excellent sanitizer and disinfectant in industrial water and wastewater treatment. PAA can be injected using diaphragm or peristaltic chemical pumps. Peracetic acid is an effective and safe alternative to chlorine. It is an oxidizing biocide that degrades relatively quickly into non-toxic by-products. PAA has no risk of forming THMs (trihalomethanes) due to the absence of halogens (chlorine or bromine). In addition to having environmental advantages and ease of implementation, PAA has a small dependence on pH, short contact time, and effectiveness for primary and secondary effluents.

Q: What Are Standard Chemical Feed System Configurations?

Simplex w/ selectable components

Duplex Arrangements include:

  • Redundant piping, suction & discharge
  • Redundant Discharge, Common Suction
  • Lead/Standby, Single Pipe System

Triplex Arrangements include:

  • Redundant piping, suction & discharge
  • Redundant Discharge & Common Suction

Q: What Standard Components Used To Construct Chemical Feed Systems?

Components used in a Chemical Dosing System play a significant role in allowing an operator to adjust flow, pressure, and calibrate to achieve repeatable performance. Burt Process designs and manufactures customizable chemical dosing systems.

The Duplex chemical dosing system is assembled within a fabricated, single piece 1/2" HDPE corrosion-resistant skid, is wall or floor mountable, and includes a containment basin with drain and valve.

A variety of piping options are available depending on injected chemicals: PVC, CPVC, Stainless-steel, Kynar, PVDF, High propylene, Hastelloy

Pressure Gauge with Gaurd

2.5" or 4.5" from 0-160 PSI

Pipe Labeling - Provided with chemical name & flow direction

Injection Pump

Solenoid, Mechanical or Hydraulic Diaphragm, Gear, Peristaltic pump such as plunger pump or Progressing Cavity

ChemPlus Nameplate for Chemical Dosing System

ChemPlus nameplate

(Customized or OEMs)

Back pressure anti-syphon valve in chemical dosing system
Back Pressure (anti-syphon) Valve provides backpressure to improved repeatability on the system and prevents syphoning when suction head exceeds discharge head.
Pulsation dampener in Chemical Dosing System
Pulsation Dampener minimizes the pressure spikes by using compressed air to absorb the forces due to momentum of the fluid inertia.
Pressure relief valve in Chemical Dosing System
Pressure Relief Valve prevents over pressurizing pump and piping system.
Manual ball valves in Chemical Dosing System
Ball Valve is a shut-off valve that controls the flow of a liquid through pipes or from tanks.
Calibration Column provides a verification of the flow rate of the chemical dosing pump.
Visual flow indication tool in Chemical Dosing System
Flow Verification sensor monitors pump output and provides accurate flow measurement.

Single Piece 1/2" HDPE Corrosion Resistant Skid

Wall or Floor mountable with containment basin & drain with valve

Chemical feed systems are often available as complete, fully integrated units already installed on a skid, or components can be purchased separately. The main parts of such a system are:

  • Chemical Storage Tank
  • Positive Displacement Pumps
  • Piping
  • Process Control Panel. In addition to on/off controls, the control panel may include overload protection: temperature, flow, level and pressure sensors, variable speed control, and status lights.
  • 1/2" Thick HDPE Construction
  • Wall & Floor Mountable Skid Construction
  • Visual Flow Indications
  • Containment Basin w/ Drip Rim
  • ChemPlus Plaque
  • Piping Labeled w/ Chemical Name & Flow Direction
  • Containment Drain w/ Manual Ball Valve
  • calibration Column sized for a minimum of 30-second Draw Down
  • Clear PVC Y-Strainers

Q: WHAT OPTIONS ARE AVAILABLE WITH BPE CHEMICAL FEED SYSTEMS? 

  • Flow & Pressure Sensors
  • Conduit Box for Power & Control Signals
  • MA DEP Control Station
  • Splash Guards
  • FRP Shelters
  • Legs/Stands to Elevate inside berm

Q: DO YOU CONDUCT ANY TESTING PROCEDURES? IF SO, WHAT TYPE OF RESULTS DOES THE TESTING YIELD FOR CHEMICAL FEED SYSTEMS? 

Documented Factory Testing Includes:

  • 120-Minute Hydrostatic Pressure Test
  • Pressure Relief Valve Preset & Tested
  • Back Pressure Valve Preset & Tested
  • Pulsation Dampener Charged & Tested
  • Completed Pre-Shipment Check List & Inspection Report

Q: WHAT types of metering pumps can be selected for a chemical dosing system? 

Various materials and different types of chemical feed pumps can be used as part of chemical feed systems. Water treatment, for example, brings its own challenges and requirements, such as the need for a high flow rate, non-corrosive materials to handle aggressive chemicals, and low maintenance. Selecting the right metering pump size for your application is also critical. A chemical dosing pump calculation to determine the proper size requires the chemical injection (flow in GPM, dosage, and solution strength), strokes per minute (SPM) and pump rated output (in GPD or gallons per day).

Pump Types for a Chemical Feed System include:

  • Solenoid Metering Pumps – have the simplest design and are the least expensive metering pumps. An electric solenoid controls a spring return piston, and in each stroke, a specific amount of fluid is pushed out. The flow rate is adjusted by increasing the frequency of the stroke. This type of pump is used for low-flow applications.
  • Peristaltic Metering Pumps – also have a simple design, but they can be more expensive. A continuous tube is wrapped around a squeegee that rotates to push out the fluid. The speed of the motor is adjusted to control the flow rate.
  • Diaphragm Metering Pumps – are designed to handle high flow rate processes such as a water treatment facility. In these applications, the chemical properties of the water must be closely analyzed and controlled. Multiple diaphragm metering pumps can be used to inject various chemicals to control different chemical properties. The design consists of a flexible diaphragm that’s controlled by a motor and adjustable stroke rod. The flow rate is controlled by changing the diaphragm stroke frequency (motor speed) and the amount of the chemical that is delivered on each stroke (diaphragm stroke length). In a complex water treatment system with multiple pumps, the motor speed may be controlled by the rate of water flow, and a chemical analyzer may be used to control the chemical delivery.
  • Dosing Pumps – are positive displacement pumps designed to inject a chemical or other substances into a flow of water, gas, or stream. The fluids move through the expanding and contracting chambers. Powered by an electric motor or an air actuator, these metering pumps are the central part of chemical dosing systems and are designed for the automatic dispersion of chemicals, acids, bases, corrosive, hazardous, or viscous liquids and slurries. Chemical dosing pumps are used in water treatment, agriculture, pharmaceutical, food processing, mining, and manufacturing.