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Recent content by Veta

  1. Veta

    International consulting

    I am leaping over the ocean here. I have a contact in Ukraine who has invested in his own carbide plant. He also would like to do some pipe rehabilitation projects for municipal authorities. I am a chemical engineer with a bit of experience, and I would like to start up some sort of venture...
  2. Veta

    pH drift in wastewater pond

    Bleach is definitely more economical. I appreciate everyone's responses. I am working on optimizing the rest of the system's components. Iron did not seem to be present in large quantities based on my ICP data. We have sodium, sulfur and calcium in decreasing content order. I've caught a...
  3. Veta

    pH drift in wastewater pond

    Saxon, Thank you so much for your reply. All of the questions you've asked had given me a bette understanding of the problem. However, is there a cure? Would you recommend installing a treatment plant to ensure that neutralization is controlled prior to dumping the material into the final pond...
  4. Veta

    pH drift in wastewater pond

    As we are transferring wastewater from one impound to the other, we treat it with caustic to a pre-set pH. Setpoint is between 8-9. Incoming water pH stays constant at 3.8. Sporadically, water pH going to the creek will fall out to 5-6. Investigating carbon dioxide absorption, mixing, but are...
  5. Veta

    Plate and Frame Surface Condenser

    We are having a major problem with solid sulfur deposits on the vapor side of the surface condenser. Sulfur originates from bleach reaction by-products. Sulfur deposits force us to take the condenser apart for cleaning every other month. As far as I understand, there are no chemical means to...

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