The present invention provides a dispensing apparatus and method for the delivery of remediation agents into waste systems wherein the apparatus is capable of generating and maintaining a controlled release of concentrated a remediation composition throughout the delivery cycle. The invention also provides a dispensing apparatus and methods wherein the remediation agent is a remediation agent that includes living organisms. Finally, the invention provides a dispensing apparatus and methods wherein compositions of remediation agents are conveniently formulated for specific applications providing a range of retention, activation and release profiles that optimize the remediation effectiveness.

 
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> Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal

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