Case Studies
 
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  Treatment of Ponds & Fountains  
  Many fresh water lakes and ponds are characterized, particularly during the warmer months, by a significant population of suspended algae or phytoplankton in the water bodies. This gives the water a greenish appearance. High concentration of algae may lead to depletion of the dissolved oxygen of water causing anaerobic conditions in the water bodies. This may result in death of aquatic population, besides an unpleasant odor. Envirocrobe is manly used for the control of algae in ponds/lagoons. In most cases, poor pond water is due to excess of organic matter, nitrogen, ammonia and phosphorus. These nutrients serve as a food supply for algae and other undesirable weeds. The microbes of EnviroWay products remove these organics from the water, thereby removing the available nutrient. This results in the elimination of algae/weeds.  
     
  The Presidential Pond - Capacity - 400 Kilolitres per Day (KLD)  
 
 
Bioline Strain - Envirocrobe
     
 
Before Treatment
High levels of BOD and COD.
Dissolved oxygen was very low.
High level of algae growth in pond.
 
 
After Treatment
BOD and COD levels were significantly reduced.
Algae growth was managed.
Sprinkles runs smoothly

Treatment of Kitchen Drain Line, Sump & Grease Trap ( Bio - Bricks)
     
 
Before Treatment
Severe odor from the drain line and sump.
Frequent choking in the drain line.
Heavy deposition of FOG and Scum
Odor is so high that it’s very difficult to use the basement
 
 
After Treatment
No choking in the drain line.
Reduces the accumulation of unsightly deposits of Fats, Oil & Grease and Scum
Dramatically reduces grease build -up
Lowers corrosion due to Sulphate
Odor reduction to 90% (Approx)
It increases the flow of kitchen waste in drain line.

 

Treatment of Lakes
  Enviroway introduces high potency, bacterial- laden, powdered formulation, for use in controlling algae, ammonia & nitrites though the reduction of organic matter and available nutrients in the water treatment of lakes. It further enhances water clarity by providing good settle-ability therefore restoring the aesthetic quality of various water bodies. It also provides a biological control.  
     
 
Before Treatment
Foul Odour.
High level of algae growth.
High maintenance cost due to the removal of algal and floating material on the lake.
High levels of BOD and COD.
 
 
After Treatment
Foul odour was completely eliminated.
Significant decrease in BOD and COD levels.
Algae was managed.
Aids in beautification with clear and treated water

 

Treatment in Hospital and Hotels
     
 
Before Treatment
Plant running over capacity (300 – 400 KLD).
Odour problem all around.
High COD and TSS at the outlet.
Difficult in maintenance of bacterial culture
Sludge drying bed full and the colour of water was black.
 
 
After Treatment
Plant capacity to treat water increased as the bioaugmentation process was expedited.
Odour problem was solved and client complaints was reduced drastically
COD and TSS level met the objective
Organic load was reduced

 

Treatment in Dairy Plant
     
 
Before Treatment
Did not meet the standards of the Pollution Control Committee
High level of sludge was present at 40 tons per day.
High electricity costs.
High level of BOD at 800-1200 mg per litre.
 
 
After Treatment
Parameters fall well within the standards of the Pollution Control Committee. 90% improvement on th
90% improvement on the raw sewage parameters.
Power consumption was reduced by over 50%.
BOD was reduced to 18mg per litre.
BOD was significantly reduced (89% improvement).
Sludge level was reduced to 25 tons per day.
Government Sewage Treatment Plant
 
Before Treatment
High level of foul odour due to Hydrogen Sulfide accumulation (H2S)
Required parameters did not fall within the Delhi Pollution Control Committee (DPCC)
High level of suspended solids (TSS) at 84mg per litre.
High level of BOD at 60mg per litre.
Plant is being underutilized to the extent only 70% of throttle capacity.
 
 
After Treatment
Foul odour was completely eliminated.
Power consumption was reduced by over 50%.
Half as many aerators were needed compared to before treatment.
Plant is now being run at throttle capacity of 30 MGD.
Process parameters fall well within the norms of the Delhi Pollution Control Committee (DPCC).
BOD was significantly reduced (89% improvement).
TSS was improved by 91%.
 
Treatment in Paper Industry
 
 
Aeration Tank
(Agro Based)
Preliminary and primary treatment units were underperforming
Biological Treatment was giving negligible results
High COD and Foaming
Overflowing Secondary Clarifier
Dark color of treated effluent
MLVSS (Mixed Liquor Volatile Suspended Solids) was very low
Effluent tough to degrade due to lignin, tannin
High hydraulic load, low retention time
Disturbed MLSS/MLVSS ratio
High TSS content in final water, not able to use in machines showers
 
 
 
Turbid Final Effluent
(Agro Based)
Preliminary and primary units were amended
Significant decrease in COD
All the effluent quality parameters improved
Foaming brought under control
Minimum color content of the effluent at the outlet
Sludge level was reduced to 25 tons per day
Maintain MLSS/MLVSS ratio
Increase bacterial activity & efficiency
Reduce sludge generation
Re-use of RAW sludge for making paper boards, crates etc.
Treatment in distillery
     
 
Before Treatment
Inlet TSS – 260 mg/l
Anaerobic reactor’s efficiency - 65%
Algae Problem in final effluent
High retention time required
High organic load
 
 
After Treatment
Final TSS – less than 65mg/l
Increase efficiency of UASBR – 87-93%
Parameters under norms
Organic load was reduced
Treatment in Beverages
 
Before Treatment
High organic load
High TSS, COD, BOD in final effluent
Low efficiency of bio reactors
High sludge production
Disturbed VFA/Alkalinity ratio
   
 
 
After Treatment
TSS, COD, BOD under norms
High efficient bio reactor (Asp – more than 65%, UASBR – more than 89%)
Low sludge production
VFA/Alkalinity ration maintained
Maintained F/M ratio
STPs
 
Before Treatment
Poor odor
High sludge generation
High dosing of chemicals
 
 
After Treatment
Odor removed
Low sludge generation
Reduced chemicals
Increase efficiency of biological process
 
     
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