Wood Preserving Wastewater Bioremediation Case Study

A Michigan wood preserving company achieved successful treatment results for their wastewater, using a bioremediation custom blend, combining Alken Clear-Flo 7001 & 7002 with a pair of Pseudomonas aeruginosa strains, selected to target naphthalene and anthracene and one strain of Pseudomonas fluorescens specializing in biodegradation of PAH's, especially phenanthrene, and fluoranthene.. The results chart below illustrates the biodegradation of wood preseerving wastewater components: phenol, pentachlorophenol, napthalene, anthracene, fluoranthene and carbazole.
Today we would prescribe a new custom blend, created in July 2006, to cleanup accumulated "spent phenolic caustic wastewater", since the composition of that wastewater duplicates many of the same compounds addressed for Dr. Ali's wood preserving client. This new product is named Alken Clear-Flo 7050. Alken Enz-Odor 12 (or 22) can be used in conjunction with CF 7050 to minimize system odors during treatment.

 

Chart of Treatment Results
 COMPONENTS  Initial Concentration  Final Concentration  Percent Removal

 Solids

(mg/Kg)

 Slurry

(mg/Kg)

 Solids

(mg/Kg)

 Slurry

(mg/Kg)

 Solids

(mg/Kg)

 Slurry

(mg/Kg)

 Phenol  14.6  1.4  0.7  < 0.1  95.2*  92.8
 Pentachloraphenol  687  64  12.3  0.8  98.2  92.8
 Naphthalene  3,670  343  23  1.6  99.3*  99.5*
 Phenanthrene & Anthracene  30,700  2,870  200  13.7  99.3  99.5
 Fluoranthene  5,470  511  67  4.6  98.8  99.1
 Carbazole  1,490  139  4.9  0.3  99.7  99.8

*Results may be due to a combination of volatilization and biodegradation.

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