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Lead Acid Treatment Plant

Lead Acid Treatment Plant
Lead Acid Treatment Plant
Product Code : 39
Brand Name : METTHERM
Product Description

Incepted in the year 2006, we are an eminent manufacturer and exporter of Lead Acid Treatment Plant. These plants are used in battery recycling industries to remove lead acid from the batteries. In order to manufacture high quality Lead Acid Treatment Plant, our professionals employ advanced machines and utilize quality tested material procured from the authentic vendors. We offer these plants to our esteemed clients at a reasonable price.

Features:

  • Easy to install
  • Advance service life
  • Energy efficient

Further Details:

 TREATMENT TECHNOLOGY

 Lead is used as an industrial raw material for storage battery manufacture, pigments, fuels, photographic material, and matches manufacturing. It is one of the most widely used nonferrous metals in industry.

 The storage battery industry is the largest consumer of lead in battery manufacturing plants, it was reported that lead losses per battery manufactured ranged from 4.54-68mg, and that water usage ranged from 11-77 gal per battery. Highest lead concentrations originated from the plate-forming area. This water has a low pH, which leads to a high concentration of dissolved lead. Waste pH values of 1.3 – 2.6. Particulate lead battery wastes is very fine, and is reported to required long detention periods (Nearly 24 hr.) for effective setting.

 Treatment of soluble lead involves, for the most part, reaction to from a lead precipitate, and sedimentation. Precipitation chemicals used include lime or caustic to precipitate lead hydroxide, soda-ash to precipitate lead carbonate, and phosphate to precipitate lead phosphate. Alum, and ferric, sulfate coagulation have also been used for lead treatment.

 PRECIPITATION

 In the Precipitation processes, lead is normally precipitated as the carbonate, PbCO3 0r the hydroxide, Pb(OH)2. Higher pH (up to 10.0 ph) has also been recommended. The effect of pH on lead hydroxide precipitation indicate an optimum pH of 10.0 yielded a residual lead level below 0.5 mg/1. In forming insoluble lead hydroxide, lime is the treatment chemical of choice, although caustic has been used. Improved effluent levels were observed at more alkaline pH and for long setting times.

 Lead Removal by Precipitation and Sedimentation plus Filtration

Treatment Chemical

Treatment pH

Effluent Lead Concentration (mg/1)

 

 

Sedimentation                    

Filtration

Ferric Sulfate at 45 mg /1Fe Lime at 269 mg /1

 

       6.0

      0.25

   0.030

Ferric Sulfate at 20 mg/1 Fe

Lime at 600 mg/1

       10.0

 

        11.5

     0.25

 

     0.20

    0.029

 

     0.019

The use of sodium phosphate (Na3PO4) has been reported for lead treatment, to precipitate lead phosphate. The solubility of lead phosphate is determined by treatment pH and phosphate dosage.

 COAGULATION

The precipitation was assisted by the addition of ferrous sulfate, which act as a coagulating agent. The treated effluent flowed to a sedimentation basin from which the lead sludge collected, dewatered in a filter.

 

 




An ISO 9001:2008 Certified Company
Plot No. 20, Gali No. 2, Gurukul Inderprasta Industrial Estate, Faridabad - 121003, Haryana, India
Mr. Dinesh Batra (CEO)
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