Microbial Deodorizing

Needs

Deodorizing of livestock barn, food processing factory,
composting facility is required for their business

Deodorizing is one of the important business issue for livestock business

Complaint to livestock farmers (2012)*

Deodorizing is required in other industries

  • Food-processing facilities
  • Hotels・restaurants
  • Kitchen waste disposal facilities
  • Composting facilities
  • Feed manufacturing

Porous Alpha enables the low cost deodorizing solution

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Mechanism

Layered Porous Alpha with microbe deodorizes the odorous gas when the gas passes through

Conceptual figure of deodorizing system with Porous Alpha

Microbes derived from manure, contained in Porous Alpha, digest gases in the interconnected pores

Concept image of deodorizing process

Diversified & interconnected pores in Porous Alpha is the source of high performance of deodorizing

Competition

Compared to the competing solution based on rock wool, we have advantages in durability & cost

Comparison of deodorizing solution between rock wool-base solution
and Porous Alpha for livestock farmers

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Case Study

We have various experience in deodorizing

Summary of case studies for microbial deodorizing

Case1: Poultry house (30K birds)

Case 1：Our system deodorizes 100-800 ppm of ammonium
at poultry house of 30K birds

Deodorizing performance increases as time proceeds, more than 99% after 50 days of installation

Density of ammonium and rate of deodorizing

Odorous gas emission in manure fermenter

Vacuuming odorous gas in by blower at composting unit

Blower and deodorizing unit

Case2: Exterior view of deodorizing plant with Porous Alpha for poultry abattoir

Specs.

Specification and applied conditions for deodorizing by Porous Alpha

Watering

  • Moisture of support (Porous Alpha) should be more than 50%
  • – In summer season, Porous Alpha becomes dried. Watering should be more frequent than other seasons. Water for watering should be maintained
  • If there is risk of frost, measures to prevent it is required
  • Salt concentration of water should be less than 5,000 ppm

Blower and its power source is required to transfer the odorous gas

Source of odor should be enclosed so that the blower can suction the gas

A filter at the end of the pipe for blower should be installed and changed periodically

Required period of habituation for microbe: About 1 month

Temperature for active performance of microbe: 10 – 40 ℃ (There is experience of working less than 10℃)

Track record of odorous gas source

  • Pig house compost
  • Poultry house compost
  • Food waste compost
  • Hotel restaurant compost

Track record of odorous gas

  • Ammonium
  • Methylmercaptan
  • Hydrogen sulphide
  • Trimethylamine
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