Importance

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Abstract

A method and apparatus are described for injecting material into a waste sludge lagoon and mixing the material in the lagoon to solidify and stabilize the waste in-situ. The apparatus includes a slotted bucket adapted to be secured to the articulated arm of a backhoe or like equipment. The bucket has a manifold in the upper interior portion thereof which is coupled to a source of the additive or reagent material to be dispensed under pressure. In a preferred embodiment the material is a dry powder which is dispensed pneumatically through the manifold into the bucket and the waste as the bucket is moved back and forth through the waste lagoon. The manifold preferably is a cylinder having mutually spaced holes, slots or nozzles. The bucket also may have a vane structure across the scoop opening for further agitation of the sludge as it enters or leaves the bucket.

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First Claim