Hnydiuk-Stefan Anna, Królczyk Jolanta Beata, Matuszek Dominika Barbara, Biłos Łukasz, Grzywacz Żaneta, Bożym Marta, Junga Robert, Bierczyński Karol, Rai Ritu
Faculty of Mechanical Engineering, Opole University of Technology, Ul. Prószkowska 76, 45-758, Opole, Poland.
Faculty of Production Engineering and Logistics, Opole University of Technology, Ul. Prószkowska 76, 45-758, Opole, Poland.
Sci Rep. 2024 Dec 30;14(1):31890. doi: 10.1038/s41598-024-83434-z.
The study aimed to explore the potential use of coal-fired power plant bottom ashes in Pleurotus ostreatus cultivation using spent coffee grounds. The study analyzed five compositions of growth substrate for mushrooms: pure coffee grounds (I) as a control sample; coffee grounds substrate with the addition of 1% (II); 5% (III); 10% (IV) bottom ash; and bottom ash alone (V). The study revealed that compared to the control sample (I), the addition of 1% bottom ash (II) did not affect the time of mycelium growth but slowed fruiting body growth by 4 days. With 5% addition (III), mycelium growth slowed by 6 days, and fruiting body growth by 7 days. At 10% (IV), growth was completely inhibited. Compared to sample (I), fruiting bodies grown on sample (II) had higher phosphorus, copper, and zinc accumulation, while chromium, nickel, and lead levels were lower in fruiting bodies grown on samples (II) and (III). Additionally, fruiting bodies grown on samples (II) and (III) contained less iron, silicon, selenium, aluminum, calcium, and magnesium. The results presented in the article regarding the levels of contamination in the cultivated mushrooms and in the substrate after cultivation, indicate the potential for their further management.
该研究旨在探索燃煤电厂底灰在利用废弃咖啡渣栽培平菇中的潜在用途。该研究分析了五种蘑菇生长基质成分：纯咖啡渣（I）作为对照样本；添加1%（II）、5%（III）、10%（IV）底灰的咖啡渣基质；以及单独的底灰（V）。研究表明，与对照样本（I）相比，添加1%底灰（II）不影响菌丝体生长时间，但子实体生长延缓4天。添加5%（III）时，菌丝体生长延缓6天，子实体生长延缓7天。添加10%（IV）时，生长完全受到抑制。与样本（I）相比，在样本（II）上生长的子实体磷、铜和锌积累量更高，而在样本（II）和（III）上生长的子实体中铬、镍和铅含量更低。此外，在样本（II）和（III）上生长的子实体铁、硅、硒、铝、钙和镁含量较少。文章中关于栽培蘑菇及栽培后基质中污染物水平的结果表明了对其进一步管理的潜力。
