— Flue gas desulfurized gypsum mainly comes from thermal power plants, smelters, and large-enterprise boilers, and contains industrial by-products produced through a wet desulfurization combustion process, where SO 2 gas and lime slurry react under strong oxidation conditions. The main component of this gypsum is calcium sulfate …

 — The pyrolysis mechanism of lignite was further analyzed through element migration behavior, and the simulation results are consistent with the above reaction mechanism. This work provides in-depth insight into the initial reaction mechanism of lignite pyrolysis and may be useful for the industrialization of lignite clean utilization.

The extensive use of non-renewable fuel-energy sources continues to negatively impact the environment due to their association with greenhouse gas emissions (Chen et al. 2022).While there are several contributors, the transportation industry is one of the largest, accounting for about 23% of carbon dioxide emissions (Osman et al. 2021a).By 2030, …

 — Barcelos et al. indicated some of the utilization concepts of agro-industrial residues, such as grains, fruits, and lignocellulosic residues (Barcelos et al. 2020). Singh et al. also showed the valorization potential of lignocellulosic, brewing, palm oil mill, and dairy agri-food industrial by-products for biomaterial production (Singh et al ...

 — International Journal of Coal Preparation and Utilization Latest Articles. Submit an article Journal homepage. 500 ... Influence of oil film on the interaction between bubble and bubble/lignite particle. Chunyun Zhu a State Key Laboratory of Coking Coal Resources Green Exploitation, China University of Mining and Technology, …

 — Yuan et al. investigated lignite degradation with Penicillium decumbens P6 using 0.2% w/v lignite as inducing agent during the initial growth of the microorganism. An improvement in lignin degradation compared to non-inducing condition resulted in an augment in lignite weight loss to 74%. ... The utilization of fungi serves as an alternative …

 — Directional conversion and utilization of lignite derivatives. ... >C al-O-C ar <, and >C al-O-C al < are common in lignite, where C ar and C al refer to aromatic carbon and aliphatic carbon, respectively [16], [182], which has a certain similarity with the macromolecular structure of lignin. In addition, the obtained derived bio-oils and coal ...

Sustainable utilization of Fe 3 O 4-modified activated lignite for aqueous phosphate removal and ANN modeling. Author links ... 2016) from the wastewater due to the large surface …

 — A novel process is proposed for the utilization of lignite combustion solid residues in the production of inflammable lightweight aggregates (LWA). The process consists of two stages, pelletization and sintering, and carbon contained in BA was used as the process fuel. The main residues bottom ash (BA) and fly ash (FA) from Megalopolis …

The Gravel Creek lignite occurs in central and eastern Alabama, and the Oak Hill and Tuscahoma Sand lignites occur in southwest Alabama. Eighty-five percent of this lignite …

The economics of CO2 utilization are discussed from a critical perspective, with a concise analysis of the state-of-the-art of economics in power-to-X (methanol, methane).

 — Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 39, 2017 - Issue 15. Submit an article Journal homepage. 378 ... This study was carried out to investigate the direct co-pyrolysis of blends comprising lignite coal and waste tires. The effects of various parameters that include coal to waste tires ratio ...

 — Utilization of a High-Alkali Lignite Coal Ash for SO2 Capture in Power Generation. November 2016; Journal of Energy Engineering 143(4):04016067 ... Al-Shawabkeh, A., Maisuda, H., and Hasatani, M ...

 — A step-wise oxidation method, combining H 2 O 2 oxidation and alkali-oxygen oxidation (AOO), was applied to study the structure features of coals with different metamorphic degrees. The results show that the conversion of Baiyinhua coal, Hongshaquan coal, Pingshuo coal and Hongliulin coal in 30 % H 2 O 2 solution for 10 h …

 — We successfully fabricated low-cost lignite-derived hard carbons (a-LCs) with easy scale-up method. ... (ICE) due to their high specific surface area. As it is known, the ICE decides the utilization rate of cathode materials, which is important ... The slurry was pasted on a clean Al foil current collector and then dried at 100 °C for 10 h ...

 — Once peat formation ceased and the peat was buried, coal was formed and then progressed through the ranks—from lignite to anthracite, over time and with exposure to pressure and temperature. ... processing, and utilization. ... (Stach et al., 1975). The "banded" coal types are a result of both the original plant matter and the conditions ...

 — The gasifier types of lignite's gasification can be divided into fixed bed, fluidized bed and entrained bed gasifiers (Fig. 3) (Dai et al., 2023).Fixed beds (lump coal) are technically mature and include atmospheric fixed beds (UGI), pressurized fixed beds (Lurgi furnace, Lurgi), and modified versions of fixed beds (BGL) (Vijayaragavan and …

 — Previous studies have demonstrated the utilization of lignite fly ash Na bearing synthetic zeolitic materials for the removal of heavy metals from wastewater (e.g. Koukouzaset al., 2010), for mine ...

largest lignite mines (Fu et al. 2012). Main features of lignite include high water content (30–60 %) and low calorific value (Xuetal. …

 — Hollman et al. (1999) prompted the synthesis of zeolites from SiO 2 extracts from FAs obtaining high purity zeolites (> 95% of A and X zeolite), and Moreno et al. (2002) optimised this method synthesizing in the same process zeolites with high purity from SiO 2 extracts and another zeolitic product (the solid residue from SiO 2 extracts ...

 — Great progress has been made in the detection of fractions from oxidized lignite, but no molecular structures are reported. A molecular structure model of oxidized Shengli lignite was constructed using ultimate analysis, 13C nuclear magnetic resonance spectrum (NMR), and Fourier transform infrared spectroscopy (FTIR). Parameters are …

 — Therefore, people are orientated to Tertiary coal and lignite deposits for their optimum utilization. The significant lignite deposits of India occur in the states Tamil Nadu, Gujarat, Rajasthan, Jammu & Kashmir, and Kerala. ... (Anandan et al., 2010). The lignite deposits of Tamil Nadu are mainly confined in the Neyveli lignite field ...

6 Progressive utilization of fly ash in Mine filling during the period from 1998-99 to 2021 - 22 50 7 Progressive utilization of fly ash in the manufacture of fly ash based bricks / blocks / tiles during the period from 1998-99 to 2021 - 22 51 8 Progressive utilization of fly ash in agriculture during the period from 1998-99 to 2021 - 22 52

Samaraweera et al. demonstrated that lignite has C (43.0%), O (40.8%), Al (5.3%), and Si (8.7%) surface atomic concentrations ... By shedding light on the promising prospects of magnetic coal adsorbents, we hope to contribute to the sustainable utilization of lignite, …

 — Directional conversion and utilization of lignite derivatives. ... >C al-O-C ar <, and >C al-O-C al < are common in lignite, where C ar and C al refer to aromatic carbon …

 — Due to the main component of lignite is the carbon element, lignite can be converted into stable carbon-based materials via treatment under high temperatures. Therefore, preparing carbon supported metal catalysts using lignite as raw materials through high temperature treatment is another approach for lignite utilization [41], [42], [43].

Guo H, Song B, Xia D, Deng Z, Chen L, Wang Y et al. Feasibility analysis of clean utilization of kitchen waste oil and lignite by co-fermentation treatment. Journal of Cleaner Production . 2023;397:136267. doi: 10.1016/j.jclepro.2023.136267

 — The vast metabolic potential of microbes in brown coal (lignite) processing and utilization can greatly contribute to innovative approaches to sustainable production of high-value products from coal. In this study, the multi-faceted and complex coal biosolubilization process by Bacillus sp. RKB 7 isolate from the Kazakhstan coal-mining …

 — In Poland hard coal and lignite still constitute the main source of electricity production (Jureczka et al. 2019); for example, in 2020, as much as 63.53% of electricity was generated from coal (PSE 2020; Żuk et al. 2021).In the light of the Green Deal approved by the European Commission on December 11th, 2019 (European …

DOI: 10.1080/19392699.2024.2305926 Corpus ID: 267088860; Influence of oil film on the interaction between bubble and bubble/lignite particle @article{Zhu2024InfluenceOO, title={Influence of oil film on the interaction between bubble and bubble/lignite particle}, author={Chun-Chun Zhu and Lijuan Sun and Ming Li and Guosheng Li and Yaowen …