MAGNESIUM Silicate Recovery

Achieve maximum recovery rate of lost magnesium silicate in wash water


Project Overview

Industrial Scale Demonstration For Magnesium Silicate Recovery Dallas Group of America


To recover valuable magnesium silicates from the washing water

To concentrate recovered magnesium silicate slurry to be blended back to manufacturing process

To remove any suspended solids in the wash water to reduce the workload of following RO system

Goals


Challenges

Waste stream fouling RO systems

Achieve maximum recovery rate of lost magnesium silicate in the wash water while producing suspended-solids free permeate for further RO treatment for water recovery to reduce surcharges for wastewater treatment


Solution

Over the four-week test period, the FMX-E5 pilot unit was able to maintain the desired performance that was determined during previous in-house testing. This performance is representative of that expected from the full-scale unit. The sustained performance of the membrane filtration media to process the application-specific influent stream over this prolonged process time verifies the feasibility of the FMX technology for use in this application.

  • Average Flux: 314 LMH at 96% recovery rate

  • CIP Frequency: once per month

  • Hot Water Flush: after every batch concentration


Result

These results indicate that the Anti-Fouling FMX technology utilized in the outlined process train provides ideal solution for:

  • The reduction of TSS to non-detectable levels in the permeate

  • Higher concentration factors of the magnesium silicate product which will increase the client’s profits on their product

  • Increased water recovery

  • Overall stable operation at an industrial scale by increasing the efficiency of downstream equipment such as their conventional reverse osmosis system thus minimizing their city water usage.

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