ELECTROCHEM TECHNOLOGIES & MATERIALS INC.

	ELECTROCHEMICAL UNIT FOR THE PRODUCTION OF VANADIUM REDOX FLOW BATTERY ELECTROLYTE This robust and cost affordable electrochemical unit is built around our PROTOTYPE II or FLOWPRO III and FLOWPRO IV electrolyzers. This semi-pilot unit unit offers a total electrode surface area ranging from two square feet (0.186 m²) up to ten square feet (0.929 m²). It is used for pre-piloting trials and the small scale commercial production of all vanadium redox flow battery electrolyte (VRFBE) or other redox battery electrolyte chemistries [e.g., cerium (IV)/(III), iron (II)/(III)]. The nameplate production capacity starts at 18.9 L per day (5 gallons/day) up to 60L per day (15 gallons/day) of equimolar vanadium redox flow battery electrolyte [i.e., 1.6 M V(total), 2.0 M H₂SO₄ (free) and with a molar ratio V(IV)/V(III) = 1.0]. Models: ELECTRO-UNIT VRFBEX Design: rectangular plates and frames combined with auxiliary tubular balancing unit. Cell construction material: polyvinylchloride (PVC), chlorinated-polyvinyl chloride (CPVC), polypropylene (PP). Piping material and size: CPVC and PVC [NPS Schedule #80]. Configuration: divided by ion exchange membranes in two or multiple compartments. Electrodes: plates, three-dimensional (mesh and expanded metals). Gasketing: EPDM or fluoroelastomers PVHF (VITON®). Electrolyte circulation: anolyte and catholyte storage tanks, turbulent promoters. Internal flow circulation: flow-by, flow-through, manifolds, distributors, serpentine. Electrodes assembly: monopolar or bipolar stacks. Back plates: aluminum 6061 T6, stainless steel AISI 316 tie rods and Belleville compression springs. Cooling: coiled immersed chillers and plate heat exchanger. Pumping: air-operated diaphragm pumps, centrifugal pumps, ball valves. Mixing: inert gas sparging, impeller, in-line static mixer. Electrolyte holding tanks: (2 x 5 gallons) up to (2 x 15 gallons). Instrumentation: pH, ORP, temperature, and toroidal conductivity probes, pressure gauges, rotameters. Electrical connection: copper C101 busbars, copper cables AWG. No. "1/0" to No. "3/0" (106 to 212 kcmil). Use: indoor unit mounted on heavy steel duty cart (1200 lb.) with spill containment trays.
	COMPLETE ELECTROCHEMICAL UNITS FOR PRE-PILOTING OR SMALL SCALE PREPARATIVE UNITS These complete electrochemical units offer a total electrode surface area ranging from four square feet (0.371 m²) up to fifty (50) square feet (4.645 m²). These are commonly used for pre-piloting various electrochemical processes either in alkaline or acidic electrolytes. When equipped with electrolytes holding tanks they allow to operate in recirculating mode. Impellers, pumps, valves, rotameters, strainers, filters, can be also provided. Internal or external heating could be ensured by installing PTFE-coated or quartz immersed heaters to resist corrosion and harsh operating conditions. Models: ELECTRO-UNIT RX - ELECTRO-UNIT CX - ELECTRO-UNIT DX - ELECTRO-UNIT TX Types: rectangular or cylindrical tanks with conical bottom, plate and frames, tubular and coaxial with separator. Cell construction material: Polyvinylchloride (PVC), chlorinated-polyvinyl chloride (CPVC), polypropylene (PP). Piping material and size: CPVC, PVC [NPS Schedule #80], stainless steel, PFA. Configuration: undivided, divided with two or more compartments. Compartment access: open access, partially or entirely closed. Electrodes: plates, rods, tubes, three-dimensional (mesh, expanded metal, felt, and wool). Electrolyte circulation: anolyte and/or catholyte storage tanks with inlet and outlet, turbulent promoters. Internal flow circulation: flow-by, flow-through, distributor, serpentine. Electrodes assembly: monopolar, bipolar. Back plates: aluminum 6061 T6, stainless steels AISI 304 or AISI 316, and titanium ASTM Grade 2 and 5. Heating & Cooling: immersed heaters, and heat exchangers. Pumping: air-operated diaphragm pumps, centrifugal pumps, valves, rotameters. Mixing: gas sparging, impeller, in-line static mixer. Purification of electrolyte: connection to ion exchange (IX) columns. Electrolyte holding tanks: from 10 gallons up to 55 gallons or connected fo FIBC containers (252-279 gallons). Solids removal: inline filters or strainers, filter-presses, or disk centriguges. Instrumentation: pH, ORP, temperature, and toroidal conductivity probes, pressure gauges, rotameters. Electrical connection: copper C101 busbars, copper cables AWG. No. "1/0" to No. "3/0" (106 to 212 kcmil). Uses: Indoor or outdoor units mounted either on carts, platforms, skids or containers (40-FEQ).
	PROTOTYPE SCALE ELECTROLYZERS The prototype electrolyzers offer a total electrode surface area ranging from one square foot (929 cm²) up to ten square feet (0.929 m²). These are commonly used for testing various electrochemical processes either in alkaline or acidic electrolytes or redox flow battery stacks (e.g., vanadium (IV)/(III), cerium (IV)/(III), iron (II)/(III), and other chemistries). Eventually, impellers, pumps, valves, rotameters, strainers, filters, can be also provided with immersed heater or small heat exchangers. Models: TUBLAR II - CIRCELL II - PROTOTYPE II - FLOWPRO III - FLOWPRO IV Types: rectangular tank, plate and frames, tubular, conical Cell construction material: Polyvinylchloride (PVC), Chlorinated-Polyvinyl chloride (CPVC), Polymethylmetacrylate (PMMA), Polycarbonate (PC), Polypropylene (PP), PEEK Gasket materials: EPDM, Fluoroelastomers (VITON®). Piping material and size: CPVC, PVC, stainless steel, PFA. Compartment access: open access or entirely closed. Electrodes: plates, rods, tubes, three-dimensional (mesh, expanded metal, felt, and wool). Electrolyte circulation: anolyte and/or catholyte inlet and outlet, turbulent promoters. Internal Flow circulation: flow-by, flow-through, distributor, serpentine. Electrodes assembly: monopolar, bipolar. Back plates: aluminum 6061 T6, stainless steels AISI 304 or AISI 316, and titanium ASTM Gr. 2 and 5. Assembling: clamps, hexagonal head bolts, washers and nuts, compression springs, and tie rods. Heating: immersed heater, heat exchanger. Pumping: air-operated diaphragm pumps, centrifugal pumps, valves, rotameters. Mixing: gas sparging, impeller, in-line static mixer.
	LABORATORY SCALE ELECTROLYZERS The small scale electrolyzers offer a total electrode surface area ranging from only 10 cm² up to 400 cm². These are mainly used for laboratory screening tests and scoping studies either in alklaine or acidic electrolytes. Eventually, anolyte and catholyte auxiliary tanks can be also provided with immersed heater but it is usually cheaper for the customer to purchase directly the ancillary equipment himself. Models: RECTLAB III - RECTLAB IV - RECTLAB V Types: plate and frame, rectangular compartment, tubular Cell construction material: Polyvinylchloride (PVC), Chlorinated-Polyvinyl chloride (CPVC), Polymethylmetacrylate (PMMA), Polycarbonate (PC), Polypropylene (PP), PEEK. Gasket materials: EPDM, Fluoroelastomers. Compression fittings material and size: stainless steel, titanium, PFA, with tubing outer diameter. Compartment access: open access or totally closed Electrodes: plates, rods, tubes, three-dimensional (mesh, expanded metal, felt, and wool). Electrolyte circulation options: peristaltic pump, anolyte and/or catholyte inlet and outlet, turbulent promoters. Back plates: aluminum, stainless steel, and titanium. Assembling: clamps, bolts and nuts. Heating: immersed heater, heat exchanger.
	CYLINDRICAL ELECTROLYZER FOR BENCHMARKING OF ELECTRODES These small scale electrolyzers offer a total electrode surface area ranging from only 10 cm² up to 100 cm². These are mainly used for laboratory screening tests for the benchmarking of coupons of commercial electrodes either in alkaline or acidic electrolytes. The clear design allows to vizualise the gas evolution. Models: CYLAB II - CYLAB III Types: cylindrical Cell construction material: Clear Polyvinylchloride (PVC), Polymethylmetacrylate (PMMA), Polycarbonate (PC). Gasket materials: EPDM, Fluoroelastomers. Compression fittings material and size: PFA with tubing outer diameter. Compartment access: open access. Electrodes: rods, and tubes Electrolyte circulation: electrolyte inlet and outlet. Heating: immersed heater.
ORDERING INFORMATION - Upon ordering, the client must provide his requirements to tailor the suitable electrolyzer among the important parameters, these are listed as follows: Cell construction material: Polyvinylchloride (PVC), Chlorinated-Polyvinyl chloride (CPVC), Polymethylmetacrylate (PMMA), Polycarbonate (PC), Polypropylene (PP), PEEK. Gasket materials: EPDM, Fluoroelastomers. Compression fittings material and size: stainless steel, titanium, PFA, with tubing outer diameter. Compartment access: open or closed Electrodes: plates, rods, tubes, three-dimensional (mesh, expanded metal, felt, wool) Electrolyte circulation: anolyte and/or catholyte inlet and outlet, turbulent promoters. Backplates: aluminum, stainless steel, and titanium. Assembling: clamps, bolts and nuts, tie rods. Heating: immersed heater, heat exchanger. Ancillary equipments: pumps, impeller, mixer, valves, filters.
For quotations, technical inquiries and purchase orders please contact us: electrodes@electrochem-technologies.com or sales@electrochem-technologies.com

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