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SWR USE
INFORMATION ON BEST PRACTICES

1. Pipeline Cleaning
2. Sludge Pit Petroleum Recovery and Cleanup
3. Tank, Tank Car, Tanker (Hold) and Container Cleanup
4. Bilges and Bilge Water Cleaning

 

NOTE: The use instructions provided on the following pages are in the form of examples drawn from actual use of SWR. Experience has shown that each use of SWR is unique to some degree and that a trained operator is necessary to obtain the best results.

(Consult your SWR Distributor for answers to specific cleaning solutions.)

 

1. Pipeline Cleaning 

Description

Pipelines carrying crude oil, especially those of small bore, not infrequently become at least partially blocked. Even if complete blockage is avoided, the loss of throughput due to flow resistance caused by the buildup of accretions on the walls of the pipeline can greatly degrade the maximum flow capacity of the line. These accretions usually result from the build-up of paraffin waxes and other high-melting point components of the crude stream (some of which can easily separate out, especially in cold weather) on the pipeline wall, together with scaling of the inner surface of the pipe due to corrosion.

Small-bore pipelines can best be treated while in normal flow mode - no shutdown is necessary, although there may be a slight advantage if a pipeline is already out of use. Smaller-bore lines such as those typically used for oilfield collection systems can also be treated in longer segments (e.g., between pumping stations) and when flowing oil.

Ideally, big-bore pipelines (e.g., 1 meter diameter) should be treated in segments of approximately 200 meters in length - in effect, as a horizontal, cylindrical tank, but this is usually difficult to arrange. Large-bore lines may need some post-treatment mechanical cleaning (which will now be much more effective due to loosened deposits), e.g., using a motorized mechanical "pig", but the SWR treatment alone is usually sufficient.

 

Procedure

The SWR concentrate must be used diluted 1:10 in water (e.g., 100 gallons of SWR to 1000 gallons water) in a holding tank and then heated to 170-200 OF (77-93 OC). For this purpose, a mobile heater truck is recommended (readily available in the US). The line to be treated, if of large diameter, should be closed off in segments and treated as if it were a tank. It is important that the hot SWR solution fill the entire segment being treated and that it be circulated as vigorously as possible to ensure maximum turbulence.

For smaller-bore pipelines and, in some cases, larger ones, it has proven possible to clean pipelines on-line (while they are flowing oil) by simply injecting SWR at ambient or higher temperature (the higher the better) into the flow stream for a period, preferably at multiple points around the pipe. The mixture of oil and SWR solution must then be pumped into one or more large holding tanks at the end of the pipeline (as would normally happen anyway) to allow good separation of the water solution of SWR and debris (such as scale) from the pipe.

 

Disposal

The paraffins stripped from the pipe walls are re-dissolved in the crude stream or, if no crude is present, can be skimmed off the cleaning solution in the holding tank. SWR appears to reduce the viscosity of the paraffins so that they are liquefied, which makes re-solution easier. Scale and other solid material falls to the bottom of the holding tank provided that flow in the line is sufficient to transport them that far. The supernatant oil is of pipeline quality (i.e., contains less than 1% water), separates sharply from the residual SWR solution after a fairly short holding period and is easily pumped off, preferably into a storage tank. The SWR-water bottom layer can be re-used or disposed of, with proper dilution, into waterways.
It is fully degradable and is non-toxic.

Product Recovery

SWR aggressively promotes the separation of the hydrocarbon phases from the cleaning solution, resulting in a hydrocarbon-free cleaning solution for recovery and recycling and a water-free hydrocarbon phase which, absent any other contamination (e.g., from non-SWR cleaning systems) can be re-blended with the crude stream or used elsewhere. The amount of oil recovered is typically 1-20 bbl per 1,000 U.S. gallons of SWR-water solution used.

Competing Products

There are no other products known to or tested by SWR that offer the performance and ease of use of SWR. Hydrocarbon-based systems, solvent-based systems and even those based on natural oils are often environmentally unfriendly and result in contamination of the recovered crude and paraffins. Neither these systems nor any other water-based system known to SWR offers the same combination of low cost, ease of use and environmental friendliness that is available with SWR.

Product Costs

Most competing products must be used in undiluted or only slightly diluted form while SWR is used at 1:10 dilution (slightly more concentrated solutions, but never more concentrated than 1:5, may be needed for removal of very severe deposits).

Other Benefits

SWR not only prevents oil/water emulsion formation but also destabilizes any existing emulsions. It also leaves a film on cleaned metal surfaces, that helps to prevent scale formation and can also be painted, if needed.

 

2. Sludge Pit Petroleum Recovery and Cleanup 

Description

Sludge pits typically contain a semi-emulsified mixture of crude oil, water and miscellaneous solids (together with whatever else has been dumped in them - they are often used as unofficial and unauthorized waste disposal sites. Cleanup of a sludge pit requires as a minimum, efficient separation of oil, water and solids. The oil phase is then recombined with the crude stream. The water should be sufficiently clean (and especially hydrocarbon-free) to dispose of in a waterway after proper dilution. The solids residue, after additional washing with SWR or any biological treatment that may be necessary, (depending on the origin and composition of the solids) should be clean enough to be used as land fill.

Addition of SWR to sludge pits has shown itself in field trials to be extremely effective in achieving all of these objectives although each application may require minimal experimentation on a small scale to define the optimum use conditions. SWR affords excellent separation of the oil and water components of sludge into two layers that can then be separated by mechanical skimming and promotes settling of solids to the bottom of the pit. From there, the solids can easily be removed after the supernatants liquid have been pumped off and easily stripped of any residual contaminants by re-washing with SWR. The SWR solution can be recycled until it is no longer effective with addition of replacement SWR, depending on the water level in the untreated sludge, since this creates a product dilution. Or, it can be disposed of. More SWR than the usual 10:1 formulation should be used in cases where the sludge has unusually high water content (>25%). Even at these higher concentrations, the effluent SWR solution is not harmful to aquatic species with proper dilution.

 

Procedure

The best approach is to circulate the sludge* using a suitable pump and holding tanks during which time it is blended with the appropriate amount of SWR. In most cases a heater and two tanks are needed. One tank to contained the separated (typically skimmed) oil and the second to separate solids from the SWR solution, a third, smaller tank in which the solids can be washed and if necessary treated biologically. Even more efficient separation of solids can be achieved by centrifuging, but this type of equipment is seldom readily available.

*If it will flow - some sludge contains too much solid material that can vary from spent catalyst to sand and scale.

The contents of the sludge pit should be circulated continuously. SWR is injected into the circulating stream at a rate sufficient to provide a total dosage of 2 bbl (about 110 U.S. gallons) of SWR to 1,000 bbl (56,000 US Gallons) of sludge. Heating may be desirable to reduce the viscosity of the sludge, which is often high due to suspended solids, especially in cold climates. The receiving tank should be set up to permit continuous skimming of the oil layer, which rises to the top and is transferred to the second receiving tank. The first tank provides both space and time for the solids to settle while the third permits washing of the solids before disposal in a landfill.

 

Product Recovery

About 90-95% of the oil or crude in the sludge pit will be recovered. Typically, 1,000 bbl of sludge will contain about 50% of crude or crude equivalent. Thus, 450-500 bbl of this should be recoverable. At current world crude prices, this is a substantial saving.

Competing Products

SWR is not aware of any equally effective or equivalent product value on the market. Several products from suppliers claim to facilitate sludge pit cleanup but are reportedly much less effective, much more costly and less environmentally friendly. Most allow only minimal recovery of usable hydrocarbons from the sludge.

3. Tank, Tank Car, Tanker (Hold) and Container Cleanup 

Description

Those listed are all similar in nature and in the treatment procedure required although the nature and the level of contamination may vary. Tanks and tankers used for crude oil storage and transportation represent the greatest challenge due to the greater accumulation of solids, Typically, these are paraffin waxes, scale and general dirt and or sand contained in the crude. Tank cars and tanks used for the transportation and storage of gasoline, for example, generally contain only scale and rust. In the case of crude oil, the solid residue after stripping off all of the hydrocarbons may need additional treatment (e.g., by a second wash or by biological methods such as land-farming or composting) before disposal in a landfill. Residues from gasoline or distillate tanks may be immediately disposable provided that they are hydrocarbon-free.

Procedure

The procedure used is similar to that for all uses of SWR. A diluted SWR solution (1:10 dilution) at 170-200 OF (77-93 OC) is used to pressure-wash the tank walls and floor using pumps and pressure hoses. Operators may require breathing equipment to protect them against hydrocarbon vapors.

 

Product Recovery

The resulting contents of the tank, which includes the material from floor and wall washing, are then pumped into a separate separation tank that permits settling of the solids and mechanical skimming of the hydrocarbon. The presence of SWR greatly enhances the separation. The separated hydrocarbon can be returned to use, typically by blending with a refinery crude stream, and the solids can be washed and/or treated biologically before final disposal.

 

4. Bilges and Bilge Water Cleaning 

Description

SWR has been shown to be extremely efficient in cleaning marine bilge water by removing oily contaminants prior to its discharge at sea. Most on-board bilge cleaning systems use skimmers or sometimes, mechanical separators to remove gross oil contamination from the top of the bilge fluids. The remaining fluid, which is still contaminated with oil, is then passed through oil/water separating filters that can easily become clogged with the viscous oil/water emulsion. Use of SWR will convert what is usually a multi-step inefficient system into a one-step process that does not require any of the conventional means of emulsion breaking e.g., acid washing. SWR promotes almost 100% separation of oil and water in the bilge with the result that simple skimmers can remove essentially all of the bilge oil. The residual cleaned bilge water can then be safely discharged at sea without fear of any threat to marine life. SWR is fully and quickly degradable even in cold marine waters.

Procedure

The water added to activate SWR maybe either fresh or saltwater and thus preserving precious potable water stores.

A 1:10 mixture of SWR and water may be added directly to the bilge. Or, preferably, SWR can be used to clean oily surfaces such as those in the engine room and the fuel bunker location. The wash solution including the oil stripped from the cleaned surfaces will find its way into the bilge. A natural motion of the ship when under way can provide sufficient circulation and mixing. The skimmers and if desired the oil/water separators can be operated without fear of operating difficulty.

Product Recovery

As described above, a simple skimming system is all that is required to recover oil from the bilges. The recovered oil may be used "as is," it is typically pumped back into the fuel bunkers. Current separation costs will generally be reduced because filter maintenance will be greatly reduced and chemical emulsion breakers with their associated maintenance and environmental requirements will no longer be necessary.

Competing Products

No directly competing products are known. Current practice involves the use of oil/water separators and/or emulsion-breaking chemicals.

ADDITIONAL NOTES: 

  1. SWR has also proven to be a very effective general-purpose cleaner in industrial and marine applications. Because it presents no environmental hazard in normal use concentrations, it can be used (at 1:10 or sometimes even greater dilution) for such applications as surface cleaning in engine rooms, removing baked-on heavy oil deposits on poorly-maintained refinery equipment, and in old industrial facilities undergoing environmental remediation and even for cleaning crew quarters.

  2. SWR is non-flammable and vapor free, offering enhanced safety in use relative to the normal hydrocarbon cleaners used in engine rooms and bunker areas on board ship and elsewhere.

  3. SWR has proven to be very effective in removing PCBs from industrial and marine surfaces that have become contaminated with these dangerous compounds. The PCBs normally remain with the oil fraction and thus can easily be burned. Additional data are available from SWR.

  4. SWR does not attack HAZMAT protective suits, even at full strength.

SWR is an intelligent and environmentally-safe chemical solution suited for numerous industries and applications. EPA certified as a green alternative!

  • Heavy cleaning: Oil, Water, Sediment separation on all types of surfaces and soils.

  • SWR replaces toxic and hazardous chemicals, is not flammable or corrosive and is reusable.

  • Previously lost oil can be reclaimed.

  • Expensive equipment is rejuvenated.

Universal Characteristics

SWR™ is non-toxic, biodegradable, reusable, non-flammable and also acts as a rust, scale, and corrosion cleaner and inhibitor.

General Applications

 

Automotive Pretreatment and Auto Repair & Refurbishing

  • Cold Tank Cleaners

  • Hot Tank Cleaners

  • Immersion Cleaners

  • MULTI-PURPOSE CLEANER

  • HEAVY DUTY CLEANER

  • SURFACE CLEANER

  • Replaces CLEANING SOLVENTS

  • CLEANER/DEGREASER

  • Collision Shop paint gun cleaner & paint pit detackifier

 

Maritime (Protective & Marine Coatings)

  • Bilge cleaner and oil/water separator

  • Fuel tank cleaner. SWR is "non-combustible"

  • Deck cleaner, bathrooms, galleys and even laundry!

  • Spraying down hull in dry dock

  • Cleaning diesel engines

  • Salt water as well as fresh water can be used to activate SWR.

 

Industrial/Manufacturing

  • Walls, floors cleaning and wax stripper, bathrooms and machinery

  • Use in dip tanks

  • Use in hot part washers

  • Use in wastewater to drop solids, separate oil/grease and water

 

Car Washes

  • Cleaning wastewater of polluting hydrocarbons

  • General car cleaner inside and out/self- containing systems and traditional

 

Environmental

  • Degreaser and de-oilier

  • Soil wash to remove hydrocarbons

  • Use to remove PCBs from surfaces by pressure sprays

  • Cleaning Baker's and Frack tanks

  • Decanting water and sludge

  • Cleaning of most industrial equipment. SWR is "non-corrosive"

 

Oil Refinery/Fields

  • Rejuvenating oil wells

  • Pipelines

  • Cleaning barges

  • Cleaning storage tanks and equipment

  • Cleaning all areas of refinery

  • Assisting in disposal of waste water

  • Cleaning oil contaminated soils

  • Cleaning oil and sludge ponds

 

Aerospace/Aircraft maintenance

  • Landing gear/Wheel-well degreaser/cleaner

  • Interior disinfectant and Cleaners product

  • Exterior Wash Product

  • Lavatories/disinfectant

  • Windows cleaner

  • Corrosion remover & inhibitor

  • Corrosion shell (short term paintable inorganic micro-layer last two days to a week)

 

Industrial & Institutional 

 

Universal Characteristics:
SWR™ is non-toxic, biodegradable, reusable, non-flammable and also acts as a rust, scale, and corrosion cleaner and inhibitor.
(Consult your SWR Distributor for answers to specific cleaning solutions.)

Industrial Applications of SWR
Degreasing Parts and automobile bodies/paint pretreatment
Ideally suited for cleaning protective coatings and grease and grime off of new or used parts. SWR works in parts washing devices without modifications of the equipment and leaves no residue after drying. Oils and greases are forced to float to the surface of the cleaning solution and can be skimmed off for recovery and recycling. Remaining precipitated solids are cleaned of hydrocarbon

Cleaning in the Industrial Setting
contamination.

General Cleaning
Effectively removes oils, greases, and accompanying dirt from most surfaces. Can be applied by mopping, with floor cleaning machines, or with low or high-pressure spray. SWR is also an effective internal cleaner of hydraulic and lubrication systems, removing hydrocarbon and corrosive build-ups and leaving a protective microfilm that slows future build-ups.

Waste Treatment Systems
Effectively separates oil, water, and solids in conveyer traps and floor sumps. Cleaned metal dust, shavings and dirt are precipitated to the bottom, the solution of SWR and water forms a barrier in the middle, and hydrocarbons are forced to float on the top. The efficiency of oil/water separators in plant waste treatment systems are significantly increased. The amount of toxic waste requiring disposal after treatment is also reduced. The solution of SWR and water can be reused to treat more waste materials until biodegradation occurs and it no longer effectively forces oil and water to separate.

Painting and Paint Preparation
Can be used for most interior cleaning purposes, effectively replacing a host of other single-use cleaning products. Proven through use by hospitals, schools, and businesses.

Marine & Petroleum 

 

Universal Characteristics:

SWR™ is non-toxic, biodegradable, reusable, non-flammable and also acts as a rust, scale, and corrosion cleaner and inhibitor.
 

Maritime Applications

General Cleaning
Cleans oil, grease, carbon deposits, and dirt in engine rooms and cargo holds, on bulkheads and decks, and in crew living and duty quarters. Lifts and removes oil and grease that has been baked on to hot engine parts, steam lines, etc. An ideal non- corrosive cleaner for reusable filters in engine oil and lubrication systems. Salt water as well as fresh water can be used to activate SWR.

Oil and Water Separation
Increases the effectiveness of oil/water separation systems and extends the life of disposable filters. Completely separates oil from oil/water emulsions in the bilge. Solids in bilge (both settled and suspended) will be cleaned of hydrocarbon contamination and suspended solids will be precipitated to the bottom of the bilge. Salt water as well as fresh water can be used to activate SWR.

Petroleum Industry Applications

Well Treatment
When injected into wells, SWR liquefies and returns precipitated paraffins and asphaltenes to the oil pod and maintains the crude in a fluid state even at reduced temperatures and pressures following treatment. It also relieves clogs due to drilling mud accumulation. Does not physically or chemically alter the crude oil. Will increase flow rates by migrating into the oil-bearing strata and lifting crude oil trapped in the pores of the rock or sedimentary formation. Does not add to hazardous waste disposal problems.

 

Pipeline Flow Enhancer
Does NOT allow oil and water to mix and maintain crude oils in a liquid state, even at reduced temperatures. Keeps lines and pumps cleaner, boosting flow and cutting maintenance costs. Causes entrained water and inorganic solids to separate from the crude oil, providing a higher-grade product at the refinery/terminal.

 

Cleaning Oil and Sludge Storage Tanks/Pits
Cleans tank walls using normal spray cleaning equipment and does not alter the composition of the recovered product. The chemical process separates sludge into three components:

  • (a) Cleaned precipitated solids with low toxicity on the bottom

  • (b) A barrier solution of water and the SWR product compose the middle       layer

  • (c) Separated oil on the top layer that can be recovered and recycled.

This process does not create explosive gases or caustic fumes or mist. Final bacterial remediation can be speed up by a factor of 10 or more.

 

Desalter/Hydration Facilities

Increases efficiency by forcing emulsified oils to return to the oil component. At the same time it cleans oils from the solids in the bottom of the desalter. Provides oxidation protection, which means longer runs between cleaning and longer component life. Accelerates the breakdown of the phenols and benzene-ring compounds present in wastewater sent to the trap system.

Soil Remediation
Removes more than 95 percent of the hydrocarbons from contaminated soils in the first-stage process. Recovered oils may be recycled. Water component requires little, if any, predisposal processing. Times required for second-stage bacterial cleaning of soils are significantly reduced. Total time required for complete remediation is reduced from years to weeks.

 

Residential

 

Service includes: Home Soil testing, Remediation, and Lead testing for toys & Kitchen Wares etc. alterative Green cleaning products, Air analysis and remediation (air vent & duct work cleaning) Water testing and alternative Hydration methods.

Product Line

  • In home testing of various products toys, cookware, flatware, silverware etc.

  • Soil and other media clean - up

  • Water (treatment system testing)

  • Clean - up and remediation

  • Green carpet cleaning with SWR

  • Driveway and garage clean - up oil spills

Urban Development/Redevelopment

  • Phase I , II & III environmental site assessment (ESA)

  • Baseline environmental assessments

  • Hydrogeological investigations

  • Remedial action plan preparation and implementation

  • Neighborhood stabilization program (NSP) Project management (HUD & MSHDA)

  • Asbestos and lead based paint and abatement management

OTHER FOCUS AREAS

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