trickle

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Related to trickling: Trickling filter

trickle

(trik′ĕl)
To let a few drops fall at a time; to allow fluid to flow slowly. Local or topical anesthetics are often applied by trickling them over wounds or mucous membranes.
References in periodicals archive ?
Achieving cost savings with nitrifying trickling filter is dependent upon the ability to obtain high nitrification rates, and minimizing the size of the required process units, therefore the unique characteristics of trickling filters that distinguish this from other processes must be recognized and accounted for in design.
2) Use of two stages instead of single stage operation to avoid biofilm patchiness in the lower part of the nitrifying trickling filter where ammonia levels are low [3,1].
Caption: An aerial view of the plant showing the new trickling filter media [centre] and the existing stone media [right].
The screened sewage is then discharged to a splitter box whereby the flow is split 30 percent to the old trickling filter plant and 70 percent to the activated sludge plant.
Downstream of the screens, a flow distribution box allows the flow to be split to either the field-erected activated sludge package plant and/or the existing trickling filter plant.
Our findings show that for hydrogen sulfide odor control at wastewater-treatment plants, you can convert chemical scrubbers to biological trickling filters and still have the same treatment capacity much cheaper and safer.
The microbes convert the hydrogen sulfide into odorless hydrogen sulfate, which is carried away by water trickling over the foam.
It will stimulate thought and promote imaginative reactions as one listens to the trickling water and .
The proposed Goods and Services are generally described as follows: Furnishing and delivery of Trickling Filter Media Equipment for new Trickling Filter No.
Replacement of existing slide gate on Trickling Filter No.
Replace Four 2nd Stage Trickling Filter Pump Check Valves ($70,000)
FY 14/15 Replace Four 1st Stage Trickling Filter Pump Check Valves ($73,000)