Getting down to (biofilter) basics

Article Abstract:

More and more composting and waste treatment facility operators rely on biofiltration techniques to minimize odor problems at their sites. Improvements in the design of open bed biofilters, for instance, have made such systems popular in odor reduction. Short circuiting effects are minimized by incorporating symmetrical air distribution systems beneath biofilters. Biofilters also feature humidification chambers that can reduce the drying out effects on the media. Biofilters involve capital and operating costs that composters should take into consideration.

Equipment and supplies, Sewage disposal plants, Compost plants, Odor control

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Managing compost piles to maximize natural aeration

Article Abstract:

The size, shape and location of a compost pile can affect its natural aeration and research has revealed that inadequate aeration can be of detriment to the compost. A study examined the aeration of compost in a variety of windrows, pile size and turning frequency to identify their impact on odour production, temperature, composting rates and end properties.

Research, Fertilizer industry, Compost

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Evaluating compost and biofilter aeration performance

Article Abstract:

The forced aeration of bulk material by means of a blower, aeration floor and association ductwork are important part of compost processes. The principles of the working of the basic air flow are described.

Methods, Evaluation, Composting, Biofiltration

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