Pyrite and PHBV Combined as Substrates for Groundwater Denitrification

Zhengkun Qian

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Paperback

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English

Eliva Press
07 November 2025

Technology: general issues

Summary
Details

Facing the growing threat of nitrate contamination in groundwater, this study presents an innovative approach to in-situ denitrification using a novel combination of pyrite and polyhydroxybutyrate-co-valerate (PHBV) as solid-phase electron donors. By evaluating two mass ratios (1:1 and 1:2) of PHBV to pyrite in lab-scale permeable reactive barrier systems, the research reveals high nitrate removal efficiencies of up to 97.65%, with minimal dissolved organic carbon in the effluent. Microbial analysis indicates that pyrite content significantly influences microbial community structure and functional gene expression, with the 1:2 ratio favoring aerobic denitrifiers and a broader functional gene profile. The findings highlight a promising, cost-effective mixtrophic denitrification strategy for sustainable groundwater remediation.

By: Zhengkun Qian
Imprint: Eliva Press
Dimensions: Height: 229mm, Width: 152mm, Spine: 3mm
Weight: 93g
ISBN: 9789999326971
ISBN 10: 9999326978
Pages: 58
Publication Date: 07 November 2025
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Active

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Pyrite and PHBV Combined as Substrates for Groundwater Denitrification

Zhengkun Qian

$90.95 $77.45

Paperback

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