KCH designs and manufactures a Biotrickling Filter System to remove high levels of hydrogen sulfide (H2S) gas and other odors from municipal and industrial. KCH Engineered Systems designs and manufactures a Biotrickling Filter System to remove high levels of hydrogen sulfide (H2S) gas and other. A biotrickling filter is a combination of a biofilter and a bioscrubber. The process of biotrickling filtration is, as is also the case with biofilters and bioscrubbers.

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The nutrients are constantly dosed and dosage is periodically checked via analyses. Inlet H 2 S concentration was kept at a relatively high value at the re-acclimation process without ramping up. Thus operational problems normally ignored in the laboratory systems appear, and resuming normal operation is vital after encountering variable operation conditions. In the industrial operation of biotrickling filters for hydrogen sulfide H 2 S removal, shock loads or starvation was common due to process variations or equipment malfunctions.

Effects of periods of starvation and fluctuating hydrogen sulfide concentration on biofilter dynamics and performance. Because water storage normally takes place under the trickling filter, this does not normally pose any problems. The recovery processes were commenced after a d starvation period. Treatment of odor containing hydrogen sulfide released in the wastewater of pharmaceutical company by high efficient bioreactor with the packed stuffing.

Solid thiosulphate agar medium was made as follows: Adsorption oxidation of hydrogen sulfide on activated carbon fibers: The bioreactor could resist the shock of high loads under relatively stable biomass content at the end of acclimation phase. If the company has a use for low concentrations of impure sulphuric acid, for neutralisation of waste water for example, this acid could be considered. A biotrickling filter is a combination of a biofilter and a bioscrubber.


Odor fiter composed of hydrogen sulfide H 2 S from the pharmaceutical wastewater treatment plant is one of the major public perception nuisance problems in the pharmaceutical industry. Four biotrickling filters were operated similarly throughout the entire experiment, except for the starvation phase.

Elimination capacities of H 2 S have been correlated with the live microorganism count.

Co-treatment of H 2 S and toluene in a biotrickling filter. This will allow alkaline usage to be limited. B are provided here courtesy of Zhejiang University Press. Only a small recirculation pump is need for vaporisation water.

Articles from Journal of Zhejiang University. Contact us today, for one of our design engineers to evaluate your application and determine the optimum design parameters for your installation.

Biotrickling filter

We’ll assume you’re ok with this, but you can opt-out if you wish. Common uses of a biofilter include processing waste water, capturing harmful chemicals or silt from surface runoff, and microbiotic oxidation of contaminants in air.

The nutrient solution of spray water was as follows: Biotrickling filter re-acclimation Re-acclimation experiments were conducted to investigate the response of these previously acclimated biotrickling filters fllter starvation periods and evaluate whether the biotrickling filter can recover rapidly and meet the demand of industrial application. Biotrickling filter functions by passing the contaminated air stream through a moist bed of permeable material, on which liquid biotricoling are formed.


Biotrickling Filter Systems

The live bacteria number decreased slowest in experiment 3 with continuous oxygen and spray liquid, but fastest in experiment 4. Chemicals for pH correction. KCH offers a non-proprietary nutrient supplement to feed the micro-organisms and water to maintain the optimum pH. The biotrickling filters of experiments 1 and 4 were starved without trickling liquid.

Schematic diagram of biotrickling filter system 1: This website uses cookies to improve your experience.

This can take place on the basis of conductivity. biotricklin

Biotrickling Filters | KCH Services Inc.

biohrickling Journal of Colloid and Interface Science. The void fraction of the bioreactor was 0. The study suggests that the biotrickling filters were capable of withstanding different conditions of starvation with rapid recovery to high removal efficiency when starvation ceases.

The filter will be divided into two parts. In experiments 2 and 3, the spray liquid with 3 L nutrient solution was supplied every 1 h. Compared with other experiments, the live bacteria number was similar at the end of experiments 1 and 2 16 to 24 d in Fig. And the biomass did not drop to a level where biodegradation efficiency would be limited bootrickling the starvation experiments.