天使企業 - Compost

Why Can't Fragrance Cover Composting Odors?

Compound Odors Need a Formula That Decomposes Multiple Compounds at Once

Compost is a valuable fertilizer resource — but during fermentation, protein decomposition generates H₂S and methyl mercaptan, nitrogen compounds release ammonia, and fats produce butyric acid. Multiple odor types exist simultaneously, so single-fragrance masking is completely ineffective. Angel's natural enzyme deodorizer decomposes all three major odor classes — sulfur compounds, ammonia, and organic acids — at once. It contains no bactericides and does not harm the fermentation microbes; the ammonium salts formed from the ammonia reaction even become a nitrogen source, improving fertilizer value while eliminating odor.

Receiving and Turning — The Two Most Intense Odor Moments

The instant kitchen waste and organics are tipped at receiving, and the moment piles are turned, are when odor release peaks. Angel installs a spray portal at the receiving entrance triggered by vehicle entry; during turning operations, fixed-point spraying activates — the high-concentration odor surge is noticeably relieved within 10–15 minutes.

The Main Anaerobic Odor Compounds in Composting

Hydrogen sulfide (H₂S) — rotten egg odor from protein decomposition
Volatile fatty acids (VFA) — sour, rancid odor from carbohydrate fermentation
Ammonia (NH₃) — sharp odor with the widest dispersal; the leading cause of complaints

The plus side of Angel's products

Safe

No bactericides — fermentation microbes unaffected, compost quality unchanged

Effective

Ammonia converts to ammonium salt, becoming a nitrogen source — odor control that improves fertilizer value

Professional

Organic waste facility track record; SGS certified zero heavy metals, zero pesticides

Natural

Biodegradable plant formula — finished compost safe for farmland use

Kitchen Waste & Organic Recycling Facility Odor Control

For fermentation tanks and stockpile areas at kitchen-waste recycling and organic fertilizer plants, Angel uses zoned spray design: nozzle arrays along tank perimeters dose in sync with aerobic aeration cycles to intercept rising odors, while finished-product areas run timed dosing to maintain a low-odor environment.

How to Get Started | Site Assessment & Zoned Spray System Design

Angel's engineers will assess the on-site odor distribution and design a zoning system tailored to your facility, with dosage adjustments available for each zone. Installation takes only 1-3 days and will not interrupt receiving operations.

Angel's product improves air quality and solves industrial compost odors even in large facilities through nozzle or fan atomization. Which will bring the Angel's product in the form of a fine mist to the source of the odor and neutralize & break it down on contact. As with most odors, compost odors get worse when the pile is turned.

As compost is transferred or solid waste is dumped, the odor increases.

Angel Air purification products can be used to break down & neutralize bad odors, both in localized areas and on a large scale (such as landfills or composting sheds).

Odor complaints at your composting site? Contact us now — we'll solve it.

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Composting Odor Control | Fermentation Odors Decomposed by Natural Enzymes

The Preferred Choice for Organic Waste Facilities | EU REACH · SGS · Invention Patent