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ETP- Effluent Treatment Plant
 

ETP- Effluent Treatment Plant

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    ETP- Effluent Treatment Plant ETP- Effluent Treatment Plant Presentation Transcript

    • DEPARTMENT OF TEXTILE ENGINERING ETP : Effluent Treatment Plant For Textile
    • COURSE TITLE “ENVIRONMENTAL POLLUTION AND ITS CONTROL” PRESENTATION ON “ETP OF DELTA KNIT COMPOSITE LTD.”
    • PREPARED BY Name ID Mazadul Hasan Sheshir 2010000400008
    • PRESENTER Mazadul Hasan Sheshir 2010000400008
    • WHAT IS ETP? ETP OR EFFLUENT TREATMENT PLANT IS USED TO TREAT THE INDUSTRIAL WASTE WATER. INFLUENT: UNTREATED INDUSTRIAL WASTE WATER. EFFLUENT: TREATED INDUSTRIAL WASTE WATER. SLUDGE: SOLID PART SEPARATED FROM WASTE WATER BY ETP. TREATMENT INFLUENT ETP SLUDGE EFFLUENT
    • ABOUT THE ETP OF DELTA KNIT COMPOSITE LTD.  BIOLOGICAL ETP: TREATMENT OF WASTE WATER BY BACTERIA. TREATMENT CAPACITY: 120 m3/hr STORAGE CAPACITY: 6000 m3
    • FLOW CHART OF ETP OF DELTA KNIT COMPOSIT LTD. INFLUENT SCREENING EQUALIZATION PH CORRECTION DISPERSE UNIT AERATION RECYCLE TANK SEDIMENTATION PACK SEDIMENTATION TANK EFFLUENT FISH POND SLUDGE THICKENING UNIT SLUDGE SLUDGE DISCHARGE EFFLUENT DISCHARGE
    • SCREENING (DRUM SCREENER IS USED IN THIS ETP)  SCREENING IS THE FILTRATION PROCESS FOR THE SEPARATION OF COARSE PARTICLES FROM INFLUENT.  STAINLESS STEEL NET IS USED FOR SCREENING.  HARD PLASTIC BRUSHES ARE USED TO CLEAN THE NET, WHICH ARE DRIVEN MECHANICALLY. DRUM SCREENER
    • SCHEMTIC DIAGRAM OF DRUM SCREENER
    • EQUALIZATION EQUALIZATION IS THE PROCESS TO MAKE THE WASTE WATER-HOMOGENOUS & -COOL EQUALIZATION TANK IS ALSO CALLED HOMOGENOUS TANK. RETENTION TIME 8 HOURSE THIS TANKA IS MADE OF RCC.
    • SCHEMTIC DIAGRAM OF EQUALIZATION TANK SPRAY OF WATER COMING FROM DYEING UNIT INFLUENT FROM SCREENING EQUALIZATION TANK AIR FOR DIFFUSION COOL & HOMOGENOUS INFLUENT TO PH CORRECTION TANK
    • PH CORRECTION  IN THIS TANK PH OF THE INFLUENT IS CORRECTED TO MEET THE STANDARD.  ACID OR ALKALI IS ADDED TO THE EFFLUENT BY DOZZING TO INCREASE OR DECREASE THE PH OF INFLUENT RESPECTIVELY.  MULTI-METER TYPE PH METER IS USED.
    • SCHEMTIC DIAGRAM OF PH CORRECTION ACID OR ALKALI INFLUENT OF DESIRED PH TO DISPERSE UNIT INFLUENT FROM EQUALIZATION TANK PH CORRECTION
    • DISPERSE UNIT  FUNCTION OF DISPERSE TANK IS TO MIX THE SLUDGE COMING FROM RECYCLE TANK WITH WASTE WATER.  IT HELPS TO PROPER AERATION.
    • SCHEMTIC DIAGRAM OF DISPERSE UNIT SLUDGE FROM RECYCLE TANK INFLUENT FROM PH CORRECTION TANK DISPERSE UNIT ( MIXING OF SLUDGE & WASTE) MIXED INFLUENT & SLUDGE TO AERATION
    • AERATION  FUNCTION OF AERATION IS OXIDATION BY BLOWING AIR.  AEROBIC BACTERIA IS USED TO STABILIZE AND REMOVE ORGANIC MATERIAL PRESENTS IN WASTE.  ABOUT 200 KG AEROBIC BACTERIA IS GIVEN TO THE PLAN FOR 5 YEARS.
    • SCHEMTIC DIAGRAM OF AERATION AEROBIC BACTERIA MIXTURE OF WASTE WATER & SLUDGE AERATION TANK DISCHARGE TO SEDIMENTATION TANK O2 AIR REACTION IN AERATION TANK: BACTERIA ORGANIC MATTER + O2 CO2+ HO2 + HEAT NUTRIENT
    • SEDIMENTATION PACK IN THIS TANK SLUDGE IS SETTLED DOWN PARTIALLY SEDIMENTATION PACK PROVIDES THE ADVANTAGE OF FAST SLUDGE SEPARATION
    • SEDIMENTATION TANK  IN THIS TANK SLUDGE IS SETTLED DOWN FINALLY.  EFFLUENT IS DISCHARGED FROM PLANT THROUGH A FISH POND.  SLUDGE IS PASSED TO THE THICKENING UNIT.
    • SCHEMTIC DIAGRAM OF SEDIMENTATION TANK WASTE WATER FROM SEDIMENTATION PACK SEDIMENTATION TANK SLUDGE TO THICKENING UNIT EFFLUENT FISH POND EFFLUENT DISCHARGE FISH POND INDICATES THE HIGHER DEGREE OF TREATMENT IN THIS ETP
    • EFFLUENT DISCHARGE
    • SLUDGE THICKENING UNIT IN THIS UNIT SLUDGE IS DRIED AND DISCHARGED. A PARTIAL AMOUNT OF SLUDGE IS RETURNED BACK TO THE AERATION TANK FROM THICKENING UNIT THROUGH RECYCLE TANK CALLED RETURN SLUDGE TANK AND DISPERSE TANK.
    • SCHEMTIC DIAGRAM OF SLUDGE THICKENING UNIT SLUDGE FROM SEDIMENTATION UNIT SLUDGE DISCHARGE SLUDGFE THICKENING UNIT SLUDGE TO RECYCLE TANK
    • DRIED SLUDGE
    • RETURN SLUDGE TANK FUNCTION OF RETURN TANK OR RECYCLE TANK IS TO MIX WATER WITH SLUDGE THIS MIXTURE IS THEN PASSED TO AERATION TANK THROUGH DISPERSE TANK.
    • ADVANTAGE OF RECYCLE SLUDGE TO AERATION TANK  SLUDGE AGAIN OXIDIZED TO MINIMIZE THE POLLUTION FROM SLUDGE.  ALIVE BACTERIA OF SLUDGE IS AGAIN USED IN AERATION TO UTILIZE THIS BACTERIA. SLUDGE FROM THICKENING UNIT SLUDGE TO AERATION TANK THROUGH DISPERSE UNIT SLUDGE RECYCLE TANK MIXING OF SLUDGE & WATER
    • THANKS TO ALL