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Smirnova, I. E.; САУБЕНОВА, М.Г.

doi:10.1023/a:1002852627269

Cited by 2 publications

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“…The third source of nitrogen is the air present in the pores of a solid medium. Nitrogen is bound by facultative anaerobic nitrogen--fixing cellulose-degrading bacteria (Smirnova and Saubenova 2001). Both sources provide microbes with nitrogen because of the low amounts released during the degradation of compounds in the solid media and samples.…”

Section: Results Of the Compost Testmentioning

confidence: 99%

Decomposition dynamics of cooking-oil-soaked waste paper in media with low inorganic nitrogen content

2023

Archives of Environmental Protection

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Many paper-related products are in daily use all over the world. Although paper is one of the most recycled materials in the European Union, no end-of-waste criteria have been defi ned. Typical paper and cardboard should be recycled, but paper materials with impurities, such as cooking oil, sand, or plastic, are much more problematic. In particular, paper contaminated with cooking oil or butter (e.g., pizza boxes) is diffi cult waste. Also baking parchment paper cannot be stored as waste paper after use. Composting could be a solution, but in many municipal solid waste collection systems, this waste types are collected with the mixed waste stream, what fi nally leads this material to landfi lling or incinerating processes. Parchment paper and pizza box cardboard contain a lot of cellulose and in landfi lls are a source of CO 2 and CH 4 . Incineration of these materials also leads to CO 2 emission. The aim of this study was to investigate the degradation of cooking-oil-contaminated paper in media with a low inorganic nitrogen content. Cardboard usually used for packaging purposes was used as pre-test material. Two types of paper usually used in the kitchen were used: pizza box cardboard and parchment paper highly contaminated with cooking oil. Two types of low inorganic nitrogen media were tested: mature municipal waste compost (MSWC) and leaf mold (LM). The decrease of mass of both paper sample types was correlated with process time. Both tested sample types: dry cellulose materials and paper with cooking oil added, were partly or completely decomposed after 6 weeks of bioprocessing in aerobic conditions without an additional dose of inorganic nitrogen. According to waste separation rules, wet paper or paper contaminated with cooking oil have to be stored with other wastes which are "not possible for further use". This work show possibility to change these rules.

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Section: Results Of the Compost Testmentioning

confidence: 99%

Decomposition dynamics of cooking-oil-soaked waste paper in media with low inorganic nitrogen content

2023

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Role of Lake Aquatic–Terrestrial Ecotones in the Ecological Restoration of Eutrophic Water Bodies

Dai

Zhou³

et al. 2023

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Freshwater lake eutrophication is a global concern causing adverse effects on aquatic ecosystems. The degradation of lake aquatic–terrestrial ecotones, which are the transitional zones between terrestrial and water ecosystems, contributes to eutrophication. These ecotones play vital roles in nutrient cycling, runoff control, biodiversity conservation, and habitat provision. In the past three decades, the research on lake aquatic–terrestrial ecotones has focused on techniques for managing contaminants and runoff purification. This paper reviews the recent studies on the restoration ability of eutrophic water bodies in lake aquatic–terrestrial ecotones in recent years regarding three aspects: the establishment, restoration mechanism, and improvement of restoration function. In addition, ecological factors such as lakeshore height, water level, surface runoff, shallow groundwater level, and rainfall intensity have impacts on the restoration capacity of lake aquatic–terrestrial ecotones.

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Cited by 2 publications

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Decomposition dynamics of cooking-oil-soaked waste paper in media with low inorganic nitrogen content

Decomposition dynamics of cooking-oil-soaked waste paper in media with low inorganic nitrogen content

Role of Lake Aquatic–Terrestrial Ecotones in the Ecological Restoration of Eutrophic Water Bodies

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