Wastewater FAQ

1. What is in the products?

The three active ingredients are:

     . Specially selected strains of bacteria

     . Bio-enhancer

     . Micro-nutrients

2. How does the product work?

The micro-organisms (or bacteria or microbe) on the bran will transfer onto the inner wallsof the pipework and the tanks in your wwtp to form a film – a biofilm, or biomass. The micro-organisms utilize organic contamination of wastewater as "food", through metabolism, they are able to remove the organic material from the wastewater. The final end-products of this process are the natural compounds of H2O and CO2.

We call this Bioaugmentation, because you are augmenting (adding to) the naturally occurring biomass within your wwtp.

3. Why should activate products before use:

The micro-organisms in the product are in dormant condition. When they make contact with water, they “wake up”.

4. Why should add sugar when activate products:

In perfect conditions, if they have access to food, the bacteria should double in number in the first twenty minutes. In reality, because the contamination may be difficult to find, often there can be a rapid dying off of the micro-organisms. By adding brown sugar when activation, we are giving them their very own food parcel to get them through that first critical twenty minutes.

5. How to activate products:

Activation before dose, dissolve 1 kg products with 20 Liter water, add 1% sugar,mix well, keep standing 2 hrs for activation, then it is ready to use.

6. Where should my clients dose?

As near to the inlet to their biological system as possible. The aim is to create as large a biofilm as possible throughout their entire plant.

For anaerobic bacteria & denitrifying bacteria, it should be use in DO< 0.5 mg/L

For aerobic bacteria & nitrifying bacteria, it should be use in DO>2mg/L

7. Why is there an Initial dose and Maintenance dose?

The Initial Dose is to establish a biomass.

But micro-organisms are living things and so they die. In perfect conditions, the biomass would be self sustaining, but it’s unlikely that the wwtp is perfect for micro-organisms. More will die, or be washed through the plant, than can remain there – so we need a regular.

Maintenance Dose to maintain the biomass performance for months and years coming.

8. Which industries can use these products?

Industries where the manufacturing process produces wastewater which has a high level of organic contamination – Food manufacturing and processing (including Dairy, Fruit vegetable and wine, Fish Farming); Pulp and Paper; Chemicals. They are also widely used in the treatment of domestic sewage and in Anaerobic Digesters.

9. Why do industries need bioaugmentation when most domestic sewage treatment plants don’t

Domestic Sewage Treatment Plants treating sewage from homes and commercial properties have huge collection systems. The drains that feed into the plants may be many kilometers long. This means there is plenty of surface area for friendly bacteria to live on. In effect, much of the contamination is already removed before it reaches the plant.

In industry, the source of the contaminated wastewater and the treatment plant may only be a few meters away from each other. In general, wwtps in industry have to work much harder than sewage treatment plants run by the utilities. They may have to deal with less volume of wastewater, but the level of contamination will generally be higher.

10. What can we do for domestic sewage treatment plant:

Ammonia and nitrate problem is headache for domestic sewage treatment plant, because nitrifying & denitrifying bacteria is slow grow bacteria, so domestic sewage treatment plant require to reseed nitrifying & denitrifying bacteria.

Meanwhile, domestic sewage treatment is also required aerobic bacteria to optimize operation cost and save energy. Because aerobic bacteria can increase MLSS and fasten treatment efficiency.

11. Are the products hazardous?

No. Tangsons products are non- hazardous, it is natural existing good-bacteria. Coshh sheets are not required for these products. If you require an MSDS, please contact us and we’ll happily send you one.

12. Are the bacteria genetically modified?


13. Do they need special handling?

DO NOT FREEZE! Store in a cool, dry location. Do not inhale dusts. Avoid excessive skin contact. See MSDS.

14. How are the products packaged?

We place 1 kg in foil bag, so it’s easy to dose the correct amount – no measuring!

15. Do we need permission from the Environment Agency to use these products?



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