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STERLITECH? HP4750 STIRRED CELL

INSTRUCTION MANUAL

STERLITECH? HP4750

STERLITECH? HP4750 STIRRED CELL INSTRUCTION MANUAL
TABLE OF CONTENTS 1.0 DESCRIPTI

ON 1.1 Specifications 1.2 General Descriptions 1.3 Functions 1.4 Features SYSTEMS CONFIGURATIONS 2.1 Major Components 2.2 Materials of Construction PREPARATION AND START-UP 3.1 Shipment Verification 3.2 Membrane Loading 3.3 Porous Support Disk Loading 3.4 Cell Bottom Insertion 3.5 Stir Bar Assembly Insertion 3.6 Cell Top Insertion 3.7 Gas Pressure Source Hook-Up OPERATION 4.1 Pressure Source and Stir Plate Activation 4.2 Separation Completion 4.3 Cleaning ACCESSORY AND SPARE PART ORDERING INFORMATION MEMBRANE INFORMATION 6.1 Membrane Specifications RETURN MATERIAL ORDER (RMO) PROCEDURE WARRANTY FIGURES AND TABLES Fig. 1 HP4750 Stirred Cell System Configuration Fig. 2 Stir Bar Assembly Diagram Table 1 Media Compatibility Chart 2 2 3 3 3 5 5 5 6 6 6 7 7 8 9 10 10 10 10 11 11 13 13 13 14 5 8 15

2.0

3.0

4.0

5.0 6.0 7.0 8.0

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STERLITECH? HP4750 HP4750 STIRRED CELL INSTRUCTION MANUAL 1.0 DESCRIPTION 1.1 Specifications 1.1.1 Operating Parameters: Membrane Size: Active Membrane Area: Processing Volume: Hold-Up Volume: Maximum Pressure: Maximum Temperature: PH Range: 49 mm diameter (1.93 inches) 14.6 cm2 (2.26 inches2) 300 mL 1 mL 69 bar (1000 psig) 121°C (250°F) at 55 bars (800 psig) Membrane Dependent

1.1.2

Connections: Permeate Outlet: Pressure Inlet: 1/8-inch diameter 316L SS tubing ?-inch FNPT

1.1.3

Wetted Materials of Construction: Cell Body: O-Rings: Gaskets: Stir Bar: 316L Stainless Steel Buna-N, others available as options Buna-N, others available as options Teflon-coated magnet

1.1.4 Dimensions: Cell Diameter: Cell Height: 5.1 cm (2.0 inches) 22.4 cm (10.0 inches)

2

STERLITECH? HP4750

1.2

General Description The Sterlitech HP4750 Stirred Cell is designed and manufactured to provide many years of trouble-free operation. The HP4750 Stirred Cell is just one of a number of products that Sterlitech manufactures for membrane research and small-scale production. The instruction manual describes the functions, features, configuration, start-up, and operation of the HP4750 Stirred Cell.

1.3

Function HP4750 Stirred Cell is a high-pressure chemical resistant stirred cell that performs a wide variety of membrane separations. With a maximum pressure rating of 69 bar (1000 psig), the HP4750 Stirred Cell is ideally suited for reverse osmosis (RO) filtration. The cell also performs nanofiltration (NF), ultrafiltration (UF), and microfiltration (MF) separations. Stainless steel construction and chemical resistant components make the HP4750 Stirred Cell an ideal choice to filter aqueous and non-aqueous solutions.

1.4

Features In addition to its high-pressure capabilities, the HP4750 Stirred Cell has been specifically designed for ease of use. Some of the unit’s features are:

1.4.1

Unique Design The top of the cell is easily removed to fill the vessel with up to 300 mL of solution. The bottom is removable for easy membrane change-out. The top and bottom are secured to the cell body with easy-to-use mechanical couplings. The design enables low hold-up volume of 1mL to prevent waste of valuable solutions.

3

STERLITECH? HP4750 1.4.2 High Pressure Operations The HP4750 Stirred Cell can complete a variety of separations from microfiltration to reverse osmosis. The standard cell is designed for safe operation to 69 bar (1000 psig).

1.4.3

Inert Gas Pressure Source Standard sources of compressed air or inert gas allow variable, safe, and consistent supply of pressure to perform separations. Volatile solutions can be processed safely because of HP4750 Stirred Cell does not require a pump to supply operating pressure. Pressure regulators and relief valves are available from Sterlitech.

1.4.4

Removable Stir Bar Teflon-coated magnetic stir bar provides agitation to reduce concentration polarization or cake formation typical of “dead-end” or normal filtration. A stirring plate with variable speed settings is available as an option from Sterlitech.

1.4.5

Accepts Standard Membrane Disks HP4750 Stirred Cell accommodates any 47-50 mm diameter membrane disk. For convenience, Sterlitech offers precut and packaged membranes in single type or assortment packs, from a wide selection of RO, NF, UF, and MF membranes.

1.4.6 Autoclavable All components are fully autoclavable and sterilizable.

4

STERLITECH? HP4750 2.0 SYSTEM CONFIGURATION 2.1 Major Components FIGURE 1 illustrates the typical configuration of a standard HP4750 Stirred Cell System. The drawing shows the three major components of the system: the Cell Body with removable top and bottom, Stir Bar Assembly, and Standard Coupling. In addition, a source of gas pressure is required to pressurize the cell.

2.2

Materials of Construction With 316L stainless steel construction and carefully chosen components, the HP4750 Stirred Cell is extremely resistant to chemical degradation. Buna-N Orings and gaskets are standard; other materials are available as options. The magnetic Stir Bar is Teflon coated. Table 1 in the appendix outlines O-ring and gasket material compatibility. Figure 1

5

STERLITECH? HP4750 3.0 PREPARATIONS AND START-UP 3.1 Shipment Verification Verify that the shipment is complete, intact and undamaged. A complete system should include:
?A

stainless steel Cell Body Bar Assembly Coupling O-rings

? Cell ?

Bottom Stainless Steel Membrane Disk

? Stir

Top Coupling Top Gasket

? Bottom ? Two

? Porous ?

3.2

Membrane Loading Insert the O-rings in the bottom of the Cell Body. (Photo 1) Check to be certain that the O-rings fit properly in the grooves. Wet the O-rings with a small amount of water or the fluid to be processed. Place a piece of precut membrane over the center o-ring. (Photo 2) Photo 1 In general, membranes coated on substrate have a shiny, active side and a dull, substrate side. The membrane should be installed with the active side toward the Cell reservoir. If you cut your own membrane, the stainless steel porous disk can be used as a template. Use of a smooth, flat piece of 6 Photo 2

STERLITECH? HP4750 polyethylene as a cutting surface and a single-edged razor blade will allow manual cutting of most membranes. NOTE: Once most membranes are wetted with water or solvent, they should not be allowed to dry in order to prevent performance loss. 3.3 Porous Support Disk Loading Place the stainless steel Porous Photo 3

Membrane Support Disk on top of the membrane to hold the membrane in place. (Photo 3) 3.4 Cell Bottom Insertion Fit the Cell Bottom onto the Cell Body, aligning the circular grooves with the circular ridge on the bottom of the Cell Body. (Photo 4) Use the coupling to clamp the Cell Bottom to the Cell Body. Tighten the high pressure coupling 16 foot pounds of torque or 69 bar (1000 psig) operation. (Photo 5) Photo 5 Photo 4

7

STERLITECH? HP4750

3.5

Stir Bar Assembly Insertion Insert the Stir Bar Assembly by dropping it into the Cell Body through the 2-inch-diameter opening at the top. Figure 2 shows the correct position of the Stir Bar Assembly. After the assembly is in place, pour the solution to be filtered into the Cell Body.

Figure 2

8

STERLITECH? HP4750 3.6 Cell Top Insertion Insert the gasket on the top of the Cell Body, making sure it fits properly in the grooves. (Photo 6) Secure the Cell Top to the Cell Body with the 2-inch clamp. Tighten the High Pressure Couplings require 16 foot-pounds of torque for 69 bar (1000psig) operation. (Photo 7) After both clamps are properly attached, the HP4750 Stirred Cell should be centered on top of a magnetic stirrer. (Photo 8) Photo 6

Photo 7 Photo 8

9

STERLITECH? HP4750 3.7 Gas Pressure Source Hook-Up The HP4750 Stirred Cell is activated by compressed air or inert gas pressure source. Attach the High Pressure Hose to the fitting on the Cell Top. Connect the other end of the hose to the pressure regulator assembly on the inert gas supply or the compressed air supply. Photo 9 illustrates installation of the gas pressure source. The compressed air or inert gas source selected will determine regulator style and pressure requirements. Photo 9

4.0 4.1

OPERATION Pressure Source and Stir Plate Activation Place a Permeate Collection Vessel (user-supplied) under the Permeate Tube. Turn on the magnetic stirrer to start the motion of the Stir Bar Assembly. Gradually pressurize the HP4750 Stirred Cell, checking for leaks. most common causes for leakage. Foreign material on the surface of the seals and insufficient tightening of the clamps are

4.2

Separation Completion Upon completion of filtration, turn off the pressure source and depressurize the unit. Slowly open the pressure discharge port allowing the system to depressurize. For low pressure operations (<100 psig), the pressure can be bled off by slightly loosening the pressure feed hose and allowing the pressure to leak out. CAUTION: Do not depressurize the HP4750 Stirred Cell by loosening the couplings. 10

STERLITECH? HP4750

4.3

Cleaning The HP4750 Stirred Cell can be cleaned with a variety of cleaners, including detergents, solvents, caustic, acid, enzyme cleaners, etc. Choice of the appropriate cleaning regime should also consider the compatibility of the gasket and O-ring material. For process evaluations where membrane re-use is required, a section of membrane cleaners is presented in section 6.2.2.

5.0

ACCESSORY AND SPARE PART ORDERING INFORMATION Ordering Information Shipping Wt. Kg(lb) HP4750 Stirred Cell For operation to 69 bar (1000 psig) 3.6 (8) HP4750 Order Number Order Number

Accessories Pressure Regulator Assembly, 6.9-69 bar (100-1000 psig) Pressure Relief Valve, 69 bar (1000 psig) High Pressure Hose, 183 cm (72-inch) PTFE O-ring/gasket kit Viton O-ring/gasket kit Magnetic Stirring Plate 115 VAC 60 Hz 230 VAC 50 Hz

Shipping Wt Kg(lb)

2.3 (5.0) 0.1 (0.25) 0.7 (1.5)

1144026 1155893 1151427 1144028 1144029 1144030 1144031

0.5 (0.1) 0.5 (0.1) 2.3 2.3 (5) (5)

11

STERLITECH? HP4750

Spare Parts Cell Top Cell Body Cell Bottom Porous Support Disk Stir Bar Assembly Membrane Packs See current HP4750 Stirred Cell price list for current membrane ordering information. 0.1 (0.25) 1.4 (3.0) 1.4 (3.0) 0.1 (0.25) 0.1 (0.25) 1143891 1149782 1143073 1114910 1143109

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STERLITECH? HP4750 6.0 6.1 MEMBRANE INFORMATION Membrane Specifications See Sterlitech website www.sterlitech.com or call 877-544-4420 or 253-437-0844. 7.0 RETURN MATERIAL ORDER (RMO) PROCEDURE If materials are to be returned to Sterlitech for repair, evaluation, or warranty consideration, an RMO number and form must be obtained from Sterlitech prior to the return. Contact Sterlitechs’ Customer Service Department for these forms. The form must be completed and returned with the material. Be sure to include a complete, detailed written reason for the return. Also, include serial numbers, installation and removal dates, and any other pertinent information that is available. HP4750 Stirred Cells have a serial number imprinted on the cell bottom. Indicate the proposed disposition of the material, and reference the RMO number on all packages or cartons. All material must be shipped to Sterlitech with freight prepared by the customer.

8.0

WARRANTY The following is made in lieu of all other warranties expressed or implied. Sterlitech, Corp. guarantees equipment to be free from defects in material and workmanship when operated in accordance with written instructions for a period of one year from receipt. Parts not manufactured by Sterlitech are covered by their manufacturer’s warranties, which are normally for one year. Manufacturer’s and Seller’s only obligation shall be to issue credit against the purchase or replacement of equipment proved to be defective in material or workmanship. Neither manufacturer nor seller shall be liable for any injury, loss or damage, direct or indirect, special or consequential, arising out of the use of, misuse, or the inability to use such product.

13

STERLITECH? HP4750 The information contained herein is based on technical data and tests, which we believe to be reliable, and is intended for use by persons having technical skill at their discretion and risk. Since conditions of use are outside Sterlitechs’ control, we can assume no liability whatsoever for results obtained or damages incurred through the application of the data presented. This information is not intended as a license to operate under, or a recommendation to infringe upon, any patent of Sterlitech or others covering any material or use. The foregoing may not be altered except by a written agreement signed by officers of the manufacturer.

14

STERLITECH? HP4750 MEDIA COMPATIBILITY CHART The following O-ring and gasket compatibility chart is provided as an aid in selecting a specific synthetic rubber compound for a particular application situation. Operating conditions and environment must also be considered in determining the media suitability. For recommendations regarding fluids not listed, consult Sterlitech. The recommendations represent compatibility of materials only and do not necessarily constitute a recommendation for use in a specific application. TABLE 1 CODE BN EP V COMPOUND Buna-N Ethylene-Propylene Viton CODE EP EP BN EP BN EP EP V V EP BN EP V V EP V V V BN BN BN BN EP V EP BN EP BN TEMP RANGE -40 to 120°C (-40 to 250°F) -50 to 150°C (-65 to 300°F) -30 to 205°C (-20 to 400°F) CODE V BN EP BN BN EP EP EP V BN BN EP BN V EP N V EP BN EP BN BN V BN V V BN EP V BN

MEDIA (Liquid or Gas) Acetic Acid, Glacial Acetone Aluminum Salts Ammonium Hydroxide Ammonium Salts Amyl Alcohol Aniline Dyes Aromatic Fuel – 50% Benzene Bleach Liquor Butanol (Buty Alcohol) Butyl Cellosolve Carbon Disulfide Carbon Tetrachloride Cellosolve Chlorinated Solvents Crude Oil Cutting Oil Decane Denatured Alcohol Detergent, Water Solution Diesel Oil Diethylene Glycol Dry Cleaning Fluids Organic Ester Ethyl Alcohol Ethylene Glycol Ethyl Hexanol

MEDIA(Liquid or Gas) Fatty Acids Fatty Oil Glycols Grease and Oils N-Hexane Hydrazine Hydrochloric Acid Hydrofluoric Acid Hydrogen Peroxide Kerosene Linseed Oil Methyl Ethyl Ketone Mineral Oils Naphthas Octyl Alcohol Peanut OilB Phenol Pyridine Oil Sewage Sodium Acetate Sodium Chloride Stoddard Solvent Sulfuric Acid Tannic Acid Tertiary Butyl Alcohol Titanium Tetrachloride Transmission Fluid Trioctyle Phosphate Varnish Water (Demineralized) 15


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