Oil and petroleum-product pollution clean-up by bioremediation — nutrient biostimulation, oil-degrading microbial preparations, landfarming/biopiles and phytoremediation — instead of chemical dispersants, burning and landfilling

Replaces: chemical dispersants, burning and landfilling · Scope: oil-contaminated soils, shorelines and water · Evidence: high

The chemical problem#

Russia has one of the world’s largest oil-contamination legacies: pipeline leaks in West Siberia and Komi (e.g. the Usinsk spill of 1994), and the Norilsk diesel spill of 2020 (about 21,000 t into rivers and soil). Standard responses include burning (air pollution, PAHs), dispersants at sea (Deepwater Horizon used about 7 million litres; toxicity concerns for plankton and corals), and digging up and landfilling soil. Oil hydrocarbons are naturally biodegradable, and nature supplies the microbes.

Product overview#

Bioremediation accelerates the work of native oil-degrading microorganisms (Alcanivorax, Pseudomonas, Rhodococcus, Acinetobacter, Cycloclasticus, fungi):

1. Biostimulation: adding nitrogen and phosphorus (oleophilic fertilizers), oxygen (tilling, aeration) and moisture. Proven at the Exxon Valdez spill (Alaska, 1989), where fertilized beaches degraded oil about 2–5 times faster.
2. Bioaugmentation: adding selected oil-degrading strains, especially in cold or nutrient-poor sites. Russian products include Devoroil, Putidoil, Rodotrin and Lenoil (consortia of Rhodococcus, Pseudomonas, yeasts), used in Russian oil regions.
3. Landfarming and biopiles for excavated soil: spreading, tilling, fertilizing and monitoring until target concentrations are reached.
4. Phytoremediation / rhizoremediation: grasses and legumes (e.g. ryegrass, fescue, clover, willow) whose roots stimulate degrading microbes, followed by revegetation of the site.
5. Natural attenuation with monitoring for low-risk sites.

Active ingredient / Composition#

Native or introduced hydrocarbon-degrading bacteria and fungi; NPK fertilizers (slow-release, oleophilic); sorbents from renewable biomass (peat, straw, sawdust); plant cover.

Key facts#

Advantages#

• Destroys hydrocarbons (to CO₂, water and biomass) instead of moving them.
• Lower cost and fewer emissions than burning or incineration.
• Restores soil function and allows revegetation.
• Uses domestic microbial preparations and biomass sorbents.

Mode of action#

Microbes use hydrocarbons as a carbon and energy source. Oxygenases attack alkanes and aromatic rings, and the intermediates enter central metabolism. Nutrients (N, P) are usually limiting after a spill, so adding them accelerates degradation.

Application#

Limitations#

• Slow for heavy oil and in permafrost; cannot handle free-phase oil. Remove bulk oil mechanically first.
• Imported microbial strains need permits and do not always outcompete native microbes. Biostimulation of native microbes is often enough.
• Waterlogged, anoxic peat soils need drainage or aeration.

Evidence of displacement — D1: works, adoption not proven#

Verified figures (the number is in the quoted sentence and the sentence is on the source page):

• performance — In a 12-year study (2002–2014) of oil-contaminated plots in the Komi Republic, bioremediation methods reduced soil oil content by 55–90%, compared to a 51% reduction in a control plot treated only by mechanical cleaning. (Komi Republic, Russia, 2002–2014; peer-reviewed: nature.com)
• performance — In a 15-month experiment in the Murmansk region, sorption-biological purification reduced petroleum product content in soil by 65%, compared to 47% for biostimulation and 45% for bioaugmentation. (Murmansk region, Russia, 2022; weak: eng.rudn.ru)

Suppliers — real products and services (from the vendor index)#

Companies below are active vendors in the vendor index whose own card (profile / official website) shows this product or service — matched 2026-09-28 by keyword and checked by hand against the card text. Being listed is not an endorsement; open each card for evidence, contacts and status.

Government funding signals#

Public grants for a specific technology are a leading indicator: governments fund what regulators want to replace and what is close to practical adoption. Searched on 2026-09-27 in: EU CORDIS (FP7, Horizon 2020, Horizon Europe), US federal awards (USAspending: USDA NIFA/ARS/APHIS/Forest Service, EPA, DOE, NOAA, USAID; plus NSF and NIH), UK UKRI Gateway to Research, Australian Research Council. Each grant below was reviewed by hand for relevance. China, Brazil and India are covered in the subsection below (publication-acknowledged grants). Not covered: Russia (RSF, FASIE — not reachable from the research environment) and national agencies outside these databases. Amounts are the funder’s contribution as recorded (US NIH/UKRI: per award or fiscal year).

Signal: Strong. 3 relevant grant(s) · about €17.3M in total · jurisdictions: EU.

China, Brazil, India — national research grants acknowledged in publications#

Chinese, Brazilian and Indian funders have no open grant databases reachable here, so this measures scientific papers published since 2015 that acknowledge national government grants, taken from the grant numbers publishers deposit with Crossref. Only papers whose title contains this article’s key terms are counted (a conservative lower bound; “100+” = search window full). It shows research-funding intensity, not budgets. Funders: China — NSFC, National Key R&D Program, China Agriculture Research System; Brazil — CNPq, CAPES, FAPESP, Embrapa, FAPEMIG; India — DBT, DST, ICAR, SERB, CSIR, BIRAC. Rating per country: Strong ≥50 papers · Moderate 10–49 · Weak 1–9.

Scientific evidence#

• Bragg JR, Prince RC, Harner EJ, Atlas RM (1994). Effectiveness of bioremediation for the Exxon Valdez oil spill. Nature 368: 413–418.
• Atlas RM, Hazen TC (2011). Oil biodegradation and bioremediation: a tale of the two worst spills in U.S. history. Environmental Science & Technology 45: 6709–6715.
• Hazen TC, Dubinsky EA, DeSantis TZ, et al. (2010). Deep-sea oil plume enriches indigenous oil-degrading bacteria. Science 330: 204–208.
• Das N, Chandran P (2011). Microbial degradation of petroleum hydrocarbon contaminants: an overview. Biotechnology Research International 2011: 941810.

Bioeconomy value#

Native microbes, biomass sorbents and plants clean up fossil-fuel pollution. This is also a large domestic market for Russian environmental biotech.