Vermicomposting corn waste under cultural and climatic conditions of the Brazilian Backwoods

Silva, Jefferson Campos; Siqueira, Andreza Jayane Nunes; Maia, Hermogenes Bezerra; Nunes, Ramom Rachide

doi:10.1016/j.biteb.2021.100730

Cited by 2 publications

(1 citation statement)

References 28 publications

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“…The residues of corn production include mainly the corn cob, straw, and leaves, which form around 70 wt% of the total production. For instance, Brazil produces around 82.2 million tons of corn, producing around 60 million tons of waste, which might be used to feed animals or to cover the soil [ 48 , 49 , 50 ]. Due to its large availability, corn waste can be used as a viable resource for various other applications, such as biochar, used as an adsorbent [ 51 ], high-value polyphenols [ 52 ], biogas [ 53 ], and anode materials for metal-ion batteries.…”

Section: Discussionmentioning

confidence: 99%

Carbonization of Corn Leaf Waste for Na-Ion Storage Application Using Water-Soluble Carboxymethyl Cellulose Binder

Li,

Kamali

2023

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Hard carbon materials are considered to be the most practical anode materials for sodium ion batteries because of the rich availability of their resources and potentially low cost. Here, the conversion of corn leaf biomass, a largely available agricultural waste, into carbonaceous materials for Na-ion storage application is reported. Thermal analysis investigation determines the presence of exothermic events occurring during the thermal treatment of the biomass. Accordingly, various temperatures of 400, 500, and 600 °C are selected to perform carbonization treatment trials, leading to the formation of various biocarbons. The materials obtained are characterized by a combination of methods, including X-ray diffraction, electron microscopy, surface evaluation, Raman spectroscopy, and electrochemical characterizations. The Na-ion storage performances of these materials are investigated using water-soluble carboxymethyl cellulose binder, highlighting the influence of the carbonization temperature on the electrochemical performance of biocarbons. Moreover, the influence of post-mechanochemical treatment on the Na-ion storage performance of biocarbons is studied through kinetic evaluations. It is confirmed that reducing the particle sizes and increasing the carbon purity of biocarbons and the formation of gel polymeric networks would improve the Na-ion storage capacity, as well as the pseudocapacitive contribution to the total current. At a high-current density of 500 mA g−1, a specific Na-ion storage capacity of 134 mAh g−1 is recorded on the biocarbon prepared at 600 °C, followed by ball-milling and washing treatment, exhibiting a reduced charge transfer resistance of 49 Ω and an improved Na-ion diffusion coefficient of 4.8 × 10−19 cm2 s−1. This article proposes a simple and effective technique for the preparation of low-cost biocarbons to be used as the anode of Na-ion batteries.

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Section: Discussionmentioning

confidence: 99%

Carbonization of Corn Leaf Waste for Na-Ion Storage Application Using Water-Soluble Carboxymethyl Cellulose Binder

Li,

Kamali

2023

Gels

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Vermicompost Production From Apple Processing Waste Compost

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Tosun

Eki̇nci̇

2023

Mühendislik Bilimleri Ve Tasarım Dergisi

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Solucan kompostlama işlemi, hayvansal ve bitkisel kaynaklı atıkların geri dönüşümü için uygulanan çevre dostu bir yöntemdir. Bu çalışmada elma işleme atıklarından elde edilen kompost karışımları solucanlara besi maddesi olarak verilmiştir. Çalışma deseninde yer alan 5 farklı solucan kompost (SK) karışımının her birine 500 adet yetişkin Eisenia foetida türü solucan bırakılmış, proses boyunca yetişin solucan sayıları artmış ve proses sonunda SK1’den SK5’e doğru sırasıyla 1134, 1311, 2712, 1038 ve 1151 sayılarına ulaşılmıştır. SK3 karışımında aynı zamanda en fazla solucan sayısı artışı görülmüştür. Çalışma sonunda solucan kompost karışımlarında yapılan analizlerde karışımların su muhtevası değerleri %55,12-58,94, organik madde değerleri %65,26-68,11, pH değerleri 7,79-8,07, elektriksel iletkenlik değerleri 0,61-1,05 dS m-1, NH4-N değerleri 227-1071 mg kg-1, NO3-N değerleri 578-2358 mg kg-1 ve Fosfor değerleri %0,75-1,36 aralığında tespit edilmiştir. Solucan kompost karışımlarında en fazla ayrışma SK3 karışımında meydana gelmiş, karışımın kütlesinin %23,67 ve hacminin ise %46,27 azaldığı görülmüştür. Çimlenme indeksine göre tüm solucan kompostlarının olgunlaşmış ve fitotoksik özellik içermeyen kompost olduğu görülmektedir.

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Vermicomposting corn waste under cultural and climatic conditions of the Brazilian Backwoods

Cited by 2 publications

References 28 publications

Carbonization of Corn Leaf Waste for Na-Ion Storage Application Using Water-Soluble Carboxymethyl Cellulose Binder

Carbonization of Corn Leaf Waste for Na-Ion Storage Application Using Water-Soluble Carboxymethyl Cellulose Binder

Vermicompost Production From Apple Processing Waste Compost

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