Packed biofilter with irrigated layer
Bulk biofilter with a loading of natural origin
The system of uniform distribution for the bulk of the biofilter
Laying pipe for supplying the purified gas phase in the biofilter bulk
The principle of operation of the biological filters (further – biofilters) based on the ability of microorganisms to degradation of polluting compounds (volatile organic compounds, NH3, sulfur compounds) to CO2 and water vapor with the aim of obtaining energy and nutrients to carry out its activity. For the effective implementation of the process of biological filtration in the design of the biofilter it is necessary to pay special attention to the nozzle, serving as a platform for biofilm formation, and organization of the flow regimes of the gas phase and the scrubbing liquid.
Cleaning gas emissions from polluting compounds, in packed biofilter is an environmentally safe, as do not form secondary pollution, and the least energy - and resource-intensive process. Contaminated gases enter the cooler-type Venturi scrubber, and then separation of the gas in the centrifugal droplet separator, if necessary cooling of the gas. The gas is directed co-current flow in packed biofilter, and the liquid after the droplet separator in the receiving tank/sump from which the liquid with the absorbed substances also, the forward flow is supplied in the packed biofilter. The volume of the Packed layer of the trickling filter, the biomembrane, the process of biodegradation of pollutants to water vapor and carbon dioxide. The system is equipped with a canister for accumulation of pollutants floating in the values of the concentration or the variability of consumption. Over time the regeneration of adsorbent with steam or gas, which is sent for treatment in the biological filter.
High efficiency of cleaning
Minimum maintenance cost
Environmental safety of the process because the cleaning process produces no secondary pollution
Chemical and petrochemical plants, plastics, paint, waste incineration, food and other related industries emissions deodorization
Environmentally friendly (ecologicaly safe) technology
Minimum capital and operating costs
The biofilter with an irrigated layer has a repeatedly smaller dimensions and greater performance than conventional bulk filters