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Global Technologies' products are versatile,
environmentally safe, and cost-effective.

Global Technologies, Inc.
P.O. Box 51005
New Bedford, Massachusetts 02745
Tel  508.991.3939       800.339.8600
Fax 508.993.5090

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Q. What is an enzyme?
A. An enzyme is a protein molecule, which can act as a catalyst of various biochemical reactions. Enzymes are a fundamental cellular metabolism; they can also be isolated and used in many industrial and domestic processes. Enzymatic activity is very specific. An enzyme, which solubilizes a specific protein, may not work on another - certainly not on grease.

Q. Can enzymes be used in wastewater treatment?
A. Yes, enzymes can be used to solubilize solids such as sludge or grease. There are two major classes of enzymes with respect to wastewater treatment:

  •  Extracellular enzymes, which are liberated into the water and are not  attached to microbial cells; and,
  •  Exoenzymes, which are associated with the exterior of the microbial  cell wall. Exoenzymes are often more efficient than those not  connected to the microbial cell.

Q. Do enzymes work for extended periods of time?
A. No, activity of free enzymes can be quickly depleted. Beneficial microbes, however, in Bacta-Pur® biotechnologies have been selected for their ability to both produce and supply essential biochemical requirements of enzymes. Enzymes do not reproduce; microbes do.

Q. What are the byproducts of enzymatic activity in grease traps?
A. This depends on the types of quantities of enzymes added. Theoretically, they have the ability to convert all the grease into free fatty acids. This rearely occurs, however, do to depletion of enzymatic activity. If the treatment is not complete, partially digested grease may leave the grease trap.

Q. Does the addition of enzymes provide any benefit beyond clearing the grease trap in the pipes?
A. Not likely, huge amounts of enzymes would have to be added, to firswt solubilize all of the grease in the grease trap and still maintain enzymatic activity. A key to any treatment is cost-effectiveness. Bacta-Pur® BACTIVATORs were designed to provide the most cost-effective treatment not only of grease traps but also of the downstream drain lines.

Q. What is the difference between adding enzymes and Bacta-Pur® biotechnologies?
A. Enzymes alone can be rapidly inactivated. Bacta-Pur® XLG provides microbes, which are not only enzyme factories, but the exoenzymes produced by the beneficial microbes are reactivated by the living cells. Furthermore, the grease and sludge digesting ability of the Bacta-Pur® microbes continue beyond the grease trap to clean pipes and drains.

Q. Can Bacta-Pur decrease methane or hydrogen sulfide in drains and sewers?
A. Yes, absolutely, Bacta-Pur® biotechnologies actually reduce methane and hydrogen sulfide. Methane and sulfides are produced by microboes, which can grow only in the complete absence of oxygen; they can actually be harmed or even killed by oxygen; they can actually be harmed or even killed by oxygen. This occurs in sewers, principally in grease and sludge accumulations, rather than in the water (particularly for methane). Regular use of Bacta-Pur® removes the grease and sludge accumulations thus removing the habitat of the trouble causing microorganisms. In addition to this, removal of scum and grease from the surface of the water brings the water into contact with the air and allows greater diffusion of oxygen into the water. This accomplishes two additional tasks:

  1. The oxygen accelerates biodegradation of soluble wastes into carbon dioxide and water.
  2. The oxygen also raises the redox potential, thus inhibiting the production of both methane and hydrogen sulfide.
Furthermore, regular use of Bacta-Pur® such as with a Bacta-Pur® BACTIVATOR floods the wastewater with the highest concentration of beneficial microbes, which have no ability to produce methane. Recent studies as reported in the literature, have shown that bacterial augmentation can reduce undesirable microbes (e.g., odor causing strains and pathogens) in aquatic systems by the combined pressures of predation and addition of high concentrations of beneficial strains. Bacta-Pur® biotechnologies were developed to provide at least 10 cells/ml. Regular additions provide the high numbers of beneficial microbes.

Q. What are the byproducts of treatment with Bacta-Pur® XLG in the grease traps?
A. Bacta-Pur XLG first converts the grease into free fatty acids, which are water soluble, thus reducing accumulations. Further digestion by the beneficial microbes in Bacta-Pur XLG converts the fatty acids into carbon dioxide and water. The process continues beyond the grease trap resulting in cleaner drains downstreams.

Q. Does use of Bacta-Pur®
decrease the fat and grease leaving a grease trap?
A. Yes, fat, oil and grease (FOG) content of wastewater is measured by extracting the FOGs from the water using a solvent such as chloroform/methanol. The solvent is mixed with the wastewater and then allowed to separate into phases: the solvent phase containing the FOGs and the water phase. The solvent is evaporated leaving the FOGs, which are then often quantified by weighing. The first step of the treatment with Bacta-Pur® XLG converts the FOGs into smaller molecules called free fatty acids, which are water soluble and no longer part of the FOGs. Thus, the wastewater leaving the grease traps contains reduced fat, oil and grease.

Q. Can free fatty acids produced by treatment with Bacta-Pur®
block pipes down stream?
A. Absolutely not. Free fatty acids are water soluble so they cannot stick to the walls of a drain or sewer with their turbulent flow.

Q. I have tried adding bacterial products to my grease trap - even products with times dosing pumps - but it was a waste of money. Nothing consistently worked. How is a Bacta-Pur® BACTIVATOR different?

A. There are many products on the market, but they are virtually all only containers of dormant cultures. Many hours are required before the cultures wake up. First of all, the retention time of water, in a grease trap, is very short; additions of dormant cultures result in microbes leaving the drap before they even wake up. Secondly, kitchen operation results in intermittent addition of very hot water and/or multiple disinfectants entering the trap. A Bacta-Pur® BACTIVATOR is an on-site growing system, which overcomes both of these problems. A continuous supply of active cultures is added to the grease trap 24 hours per day. The cultures enter the system in an optimal physiological condition to clean the trap and drains, and the continuous additions provide constant reinocultation to overcome loss of colonies due to the disinfectants and hot water.

Q. I have added various products to my grease trap, which have reduced grease, but my drains still keep backing up and smell of putrefaction. Will a Bacta-Pur® BACTIVATOR help me with these headaches?
A. Yes. The benefits of using a Bacta-Pur® BACTIVATOR are not limited to the grease trap. The beneficial microbes continue to work downstream removing grease, cleaning pipes biologically, and improving water flow.

Q. Do all bacteria produce enzymes to solubilize sludge? What happens to solubilized pollutants?
A. Not all bacteria produce exoenzymes nor extracellular enzymes capable of solubilizing grease and sludge. Pollutants which are solubilized, by the enzyme producing bacteria, are used not only by these microorganisms, but also by ones which do not produce the enzymes. This is the concept of water purification by a balanced community.




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