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Accelerite®

• Proprietary nutrient blend of yeast metabolites including B-vitamins and other soluble nutrients.

• Designed to be used with any carbon substrate to enhance microbial growth and activity and improve donor efficiency and kinetics.

  • Effective
  • Economical

Increase your donor efficiency and kinetics

Product Download Resources

Accelerite® Product Sheet
Accelerite® MSDS
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Case Studies Download

Microcosm Evaluation
Usage Estimation

Application Corner

Our approach to substrate dosing is based on site conditions. JRW Bioremediation L.L.C. provides substrates and nutrients for anaerobic bioremediation. The substrates provided include highly soluble materials such as WILCLEAR® sodium and potassium lactate, SoluLac® ethyl lactate, and Wilke Whey® whey powder and slowly soluble substrates including LactOil® soy microemulsion, and ChitoRem® chitin complex.

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JRW Bioremediation, LLC - Application Center at an irrigation site BG

REFERENCES

Evaluation of Nutrient Addition of Various Low-Cost Carbon Substrates

Donovan Smith, P.E. (JRW Bioremediation) and Michael R. Sieczkowski, CHMM (JRW Bioremediation) Ninth International In Situ and On-Site Bioremediation Symposium, Baltimore, Maryland; May 7–10, 2007

Side-by-Side Comparison of Whey and Ethyl Lactate Substrates for Reductive Dechlorination

Michael R. Sieczkowski (JRW Bioremediation), Donovan Smith, P.E. (JRW Bioremediation), Peter Guerra (AMEC), and Jack Sheldon (AMEC) Sixth International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA; May 2008

In Situ Treatment of Chlorinated Ethenes at the Treasure Island Site 24 Source Area

Michael Yurovsky, P.E. (Shaw E&I) and Scott D. Anderson (NAVFAC) Seventh International Conference Remediation of Chlorinated and Recalcitrant Compounds, Monterey, California; May 24-27, 2010

Fun Facts
Fun Facts - JRW Bioremediation, LLC

It is well known that a consortium of microbes is needed for the complete degradation of PCE or TCE to ethene. Because each of these microbes may have its own nutrient requirements, a single limiting nutrient may not be applicable to heterogeneous groundwater populations. A blend of nutrients is therefore preferred (Swindoll, C.M, et all., 1988. AEM, Vol 54, p 212-217)

Effective

  • Increases the efficiency of electron donors.
  • Increases the rate of dechlorination to ethene.
  • Stimulates microbial growth and promotes the production of propionate over acetate

Economical

  • At a usage rate of 3% the fermentable fraction of your electron donor, adding Accelerite® costs pennies on the pound per total electron donor utilized

JRW Bioremediation, LLC - Accelerite® - Our Products

Handling

  • Store unopened under dry conditions at temperatures between 35°F and 85°F.
  • The shelf life of the unopened products is 1 year
  • Diluted products should be used within 3 days to avoid microbial growth and activity which may cause gas buildups in containers and visible growth which may foul equipment.
  • Following injection of material, wells should be flushed with clean water to prevent microbial growth.
  • Equipment decontamination should follow site-specific requirements. In most situations, any product residual should be flushed into the aquifer and then chased with clean water.

Packaging

5-gallon pails

  • 46lbs
  • 2-3 weeks lead time required past receipt of a PO

55-gallon polyethylene drums

  • 506lbs
  • Available by special request

Recurring questions we get

F.A.Q

Enhanced reductive dechlorination is based on attaining and maintaining control of an aquifer for a period of time sufficient to degrade all constituents of concern and their daughter products. Attaining and maintaining control of an aquifer is highly dependent on the hydrogeology and geochemistry of the site along with the microbial populations present. Since the hydrogeology and geochemistry is different for every site, a blanket cost can not be given for any specific site. In general, enhanced reductive dechlorination will cost less than $10 per cubic yard of media treated on most non-DNAPL sites. This compares with about $60 per cubic yard for excavation (without disposal) and about $90 per cubic yard for chemical oxidation.

In some cases, MCLs can be attained with enhanced reductive dechlorination. Much more frequently, reductions in contaminant mass of one to two orders of magnitude are common.

Because freight is costed from a warehouse to a delivery point, freight costs are quoted separately. Unless otherwise stated, due to the volatility of the fuels market, freight costs are generally valid for 30 days. Consideration should be given to the receiving facility’s capacity to off load a truck. In situations where the product is delivered to a facility without the capacity to off-load a delivery vehicle, arrangements can be made (for an additional charge) for delivery on a vehicle with a lift gate and pallet jack.

Reinjection schedules should be based on the geochemistry of an aquifer and not on a calendar schedule. In many cases, multiple injections can be spaced further apart over time.

Since the main goal of adding a substrate to an aquifer is to attain and maintain anaerobic conditions for an extended period of time, because of the limited flows clay sites should be ideal for enhanced reductive dechlorination. In practice, clay sites with adequately spaced injection points usually show very rapid response to substrate addition.

Injection spacing should be sufficient to promote robust reductive dechlorination throughout the treatment zone for a time sufficient to attain complete reductive dechlorination. Injection spacing is dependent upon the dissolution rate of the substrate, the dosage, aquifer velocity, and competing electron acceptor and contaminant flux.

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JRW Bioremediation, L.L.C. 14321 W 96th Terrace, Lenexa, KS 66215, United States