WebCoal Gasification Wastewater High Salinity Ozone. Catalytic Ozonation Ro Concentrate Additional information Funding This work was sponsored by China Postdoctoral Science Foundation funded project (2016M600254). WebAug 1, 2024 · Fe 3 O 4 nanoparticles loading on cow dung based activated carbon as an efficient catalyst for catalytic microbubble ozonation of biologically pretreated coal gasification wastewater J Environ Manage. 2024 Aug 1;267:110615. doi: 10.1016/j.jenvman.2024.110615. Epub 2024 Apr 29. Authors
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WebMay 10, 2024 · Gasification of fine coal waste as waste still produces unavoidable by-products, namely charcoal. The utilization of fine coal and its potential should be advanced to reduce the waste and improve the quality of the synthesis gas produced. The objective of this study is to produce syngas with the addition of fine charcoal to improve the quality ... WebJun 25, 2024 · Coal gasification wastewater (CGW) contains several types of aromatic pollutants, which impart high biotoxicity and reduce the quality of anaerobic treatment. …
WebGasification involves four stages: drying, pyrolysis, combustion, and gasification reactions. Coal is reacted with controlled amounts of oxygen and/or steam at high temperatures to produce syngas (hydrogen and carbon monoxide) which also contains carbon dioxide, methane and water vapour. WebApr 14, 2024 · A key point in the underground coal gasification process is the cavity evolution in the horizontal segment. The morphological evolution law of the gasification …
WebDec 5, 2024 · The HoA and HiN fraction accounted for large amounts of the Lurgi coal gasification wastewater, and their TOC values were about 380.21 mg·L−1and 646.84 mg·L−1, respectively. After ozonation, the TOC removal rates of HoA and HiN reached 42.85% and 67.13%, respectively. WebIn the future, co-gasification of coal and biomass holds promise as a way of substantially reducing the carbon intensity of gasification, to utilize low-cost opportunity biomass fuels such as wood waste and high-energy …
WebJun 1, 2024 · Coal gasification wastewater (CGW) Absorption Ordered mesoporous carbon (OMC) Self-assembly 1. Introduction For many decades, coal gasification technology plays an important role in the coal chemical industry in terms of sustainable development [1], [2], [3].
WebApr 1, 2024 · Achieving "zero liquid discharge" is a requirement for the development of the coal chemical industry; high pollutant concentration, strong biotoxicity, and poor biodegradability (BOD 5 /COD=0.1–0.2) make fixed-bed coal gasification wastewater difficult to treat. This study synthesized a Fe-Mn/lava catalyst (FMLC) and performed a … bankogatanWebJul 10, 2016 · The 1977–2015 literature on treatment of the coal gasification wastewater is reviewed. An overview based on ammonia and phenol recovery, biochemical … bankofthejames bankWebDec 11, 2024 · Coal gasification is a new direction for the clean utilization of coal, but it also brings huge environmental pressure on solid waste. In this paper, the high-crystallinity single-phase zeolite A was prepared by solid-phase alkali fusion synthesis from coal gasification fine slag (CGFS), without template agent, with low water consumption, and … bankofzumbrota.bankWebNov 1, 2024 · For every 1 t of coal gasification, about 0.8 m 3 gasification wastewater will be generated. Furthermore, Lurgi gasification wastewater contains a large number of toxic and harmful substances such as phenols, ammonia nitrogen, polycyclic aromatic hydrocarbons, heterocyclic compounds, sulfide, cyanide, and tar [ [9], [10], [11] ]. bankoh bankmachinesWebDec 31, 2024 · Coal gasification wastewater (CGW) is characterized by high concentrations of pollutants such phenols, oil, ammonia nitrogen, and further biochemical toxic and inhibitory substances. Moreover, phenolic compounds are the main pollutants in CGW, with a chemical oxygen demand (COD) of more than 50% [1]. bankoftampa esopWebCoal gasification waste water treatment needed a sustainable and affordable plan to eliminate the organic contaminants in order to lower the potential environmental and human health risk. In this paper, a laboratory-scale anaerobic-aerobic intermittent system carried out 66 operational cycles togeth … bankoh bisiWebJan 20, 2024 · PAHs in coal gasification wastewater are mainly oligoaromatic hydrocarbons with less than 3 rings, such as naphthalene, anthracene and fluorene. They have strong toxic effects on aquatic organisms and generally have the risk of carcinogenesis, teratogenesis and mutagenicity ( Nzila, 2024 ). bankogatan 11