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Degradative solvent extraction of low-rank coal:Role of water on pyrolysis mechanism of low-rank coal in a highly-dispersed medium

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Carbon Resources Conversion 2022年第2期5卷 111-118页

作者： Zhenzhong Hu Xu Zhang Xian Li Weixiang Qian Guangqian Luo Huan Liu Hongyun Hu nakorn worasuwannarak Hong Yao State Key Laboratory of Coal Combustion Huazhong University of Science and TechnologyHubei 430074People’s Republic of China Key Laboratory of Coal Clean Conversion and Chemical Process Autonomous Region College of Chemistry and Chemical EngineeringXinjiang UniversityXinjiang 830000People’s Republic of China The Joint Graduate School of Energy and Environment Center of Excellence on Energy Technology and EnvironmentKing Mongkut’s University of Technology ThonburiBangmodTungkruBangkok 10140Thailand

A degradative solvent extraction(DSE)method was proposed to upgrade low-rank coals(LRC)for their cascaded utilizations in a highly-dispersed *** derived products exhibited well improved properties in comparison to the raw ***,the LRCs were pre-dried to eliminate the potential impact of the varied water content of raw LRCs,but in light of the abundant water in fresh coals,the hydrolyzing effect of water on coals under heating,and the energy cost to pre-dry the LRCs,it is consequently essential to clarify the effect of water so as to verify the necessity of pre-drying *** this study,the roles of inherent water and extra-added water were respectively investigated,using dried,raw and wet coals from two typical *** results show that increasing the moisture content of raw LRCs contributed to the extraction ability of DSE method without noticeably changing the elemental composition,chemical structure and thermal decomposition behavior of extractable products,thus pre-drying of LRCs before DSE treatment was proven ***,the roles of the inherent water were concluded as:1)leading to the formation of stable covalent bond during drying process;and 2)acting as H donor to promote extraction ability,while the added water can only function as H *** excessive water will increase the pressure during DSE treatment and lead to the waste water treatment,the LRCs with a water content between 10%and 30%were consequently recommended for the practical application of DSE treatment.

关键词： Low-rank coal Degradative solvent extraction Upgrading mechanism Water

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低阶煤与生物质在热溶剂提质萃取过程中的相互作用（英文）

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燃料化学学报 2019年第1期47卷 14-22页

作者：坚一明李显朱贤青芦田隆一 worasuwannarak nakorn 胡振中罗光前姚洪钟梅刘景梅马凤云三浦孝一新疆大学化学化工学院煤炭清洁转化与化工过程自治区重点实验室新疆乌鲁木齐830046 华中科技大学能源与动力工程学院煤燃烧国家重点实验室湖北武汉430074 京都大学化工学院泰国国王科技大学能源与环境联合研究生院泰国曼谷10140

作者前期工作中提出了一种针对生物质废弃物或低阶煤的热溶提质萃取方法,该方法可以在350℃下实现生物质或低阶煤的提质及多级分离,获得高附加值的萃取物。与生物质的热溶提质萃取比较,低阶煤的萃取物收率较低。本研究提出对生物质和低... 详细信息

作者前期工作中提出了一种针对生物质废弃物或低阶煤的热溶提质萃取方法,该方法可以在350℃下实现生物质或低阶煤的提质及多级分离,获得高附加值的萃取物。与生物质的热溶提质萃取比较,低阶煤的萃取物收率较低。本研究提出对生物质和低阶煤混合物进行热溶提质萃取,通过两者的物理化学相互作用,来提高其萃取收率。研究结果表明,对两者混合物热溶剂提质分离得到萃取物的产率及元素组成与理论计算结果略有不同,理论计算结果是假设生物质与煤之间无交互作用而得到的。煤中的矿物质对生物质热分解起催化作用,导致收率有所增加。煤、生物质及其混合物通过热溶剂提质分离得到的萃取物的元素组成、分子量分布、化学结构、热分解和热塑性非常相似。总体而言,低阶煤与生物质在热溶剂提质萃取过程的交互作用较小。但是,本研究证明了热溶提质萃取方法不仅适用于煤或生物质,也适用于它们的混合物。这意味着热溶剂提质萃取法可以在不改变任何工艺条件参数的情况下,以煤、生物质及其混合物作为原料。

关键词：低阶煤生物质混合物热溶剂萃取提质

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Production of Producer Gas from Densified Agricultural Biomass in Downdraft Gasifier and Its Application to Small Diesel Engines

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Energy Engineering 2022年第5期119卷 2149-2167页

作者： Kittikorn Sasujit NigranHomdoung nakorn Tippayawong School of Renewable Energy Maejo UniversityChiang Mai50290Thailand Department of Mechanical Engineering Faculty of EngineeringChiang Mai UniversityChiang Mai50200Thailand

Biomass is becoming one of the most popular renewable energy sources,especially from agricultural *** wastes can be gasified and utilized in various *** experimental study investigated producer gas generation from densified agricultural fuels such as corncobs,rice husks,wood chips,and oil palm fronds in a 50 kWth throatless downdraft *** system produced combustible gases such as H_(2),CO,and CH_(4),which were utilized as a substitute for diesel fuel in a small diesel engine for power *** results showed that the gasifier performs successfully and seems to prefer pellets to *** gas contains 18%–20%carbon monoxide,1%–6%hydrogen,and 0.9%–1.9%*** gasification efficiencies of 53%–71%were achieved with biomass pellets from wood chips,corncobs,oil palm fronds,and rice husks,with producer gas calorific value of 2.94–3.85 MJ/Nm^(3).The average fuel consumption rate was between 6.72–14.43 kg/h,while the producer gas yield was between 2–3 Nm^(3)/*** average gravimetric concentration of biomass tar in the raw product gas was found to be in the range of 23–50 g/Nm^(3),in which pelletized fuel appeared to show slightly lower tar than briquette *** tar was primarily composed of five compounds:Benzo(a)pyrene,chrysene,pyrene,phenanthrene,1-methylnaphthalene,and several other polycyclic aromatic *** producer gas from oil palm frond briquettes and biodiesel were tested in a gas engine system in a dual fuel mode.A thermal efficiency of 22.21%was achieved with 2500 W electric load and a 72%biodiesel displacement rate,respectively.

关键词： Agricultural residues biomass densification gasification tar removal

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Hexadecanoic acid-enriched extract of Halymenia durvillei induces apoptotic and autophagic death of human triple-negative breast cancer cells by upregulating ER stress

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Asian Pacific Journal of Tropical Biomedicine 2022年第3期12卷 132-140页

作者： Kant Sangpairoj Rapeewan Settacomkul Tanapan Siangcham Krai Meemon nakorn Niamnont Nilubon Sornkaew Montakan Tamtin Prasert Sobhon Pornpun Vivithanaporn Division of Anatomy Department of Preclinical ScienceFaculty of MedicineThammasat UniversityPathum ThaniThailand Thammasat University Research Unit in Neutraceuticals and Food Safety Pathum ThaniThailand Chakri Naruebodindra Medical Institute Faculty of Medicine Ramathibodi HospitalMahidol UniversitySamut PrakanThailand Faculty of Allied Health Sciences Burapha UniversityChonburiThailand Department of Anatomy Faculty of ScienceMahidol UniversityBangkokThailand Department of Chemistry Faculty of ScienceKing Mongkut's University of Technology ThonburiBang ModBangkokThailand Department of Fisheries Phetcha Buri Coastal Aquaculture Research and Development CenterPhetcha BuriThailand

Objective:To investigate the effect of the hexane solvent fraction of Halymenia durvillei(HDHE)on triple-negative breast ***:The phytochemical profile of HDHE was investigated by *** cytotoxicity of HDHE against MDA-MB-231 cells was *** apoptotic and autophagic effects of HDHE were *** expression of molecular markers controlling apoptosis,autophagy,DNA damage,and endoplasmic reticulum(ER)stress was ***:HDHE contains a mixture of fatty acids,mainly hexadecanoic *** at a cytotoxic concentration induced apoptotic death of MDA-MB-231 cells through mitochondrial membrane dysfunction,and induction of apoptosis markers,and increased the expression of proteins related to DNA damage *** also induced the expression of LC-3,a marker of autophagic cell death at a cytotoxic ***,HDHE modulated the expression of ER stress ***:The hexadecanoic acid-enriched extract of Halymenia durvillei promotes apoptosis and autophagy of human triple-negative breast cancer *** extract may be further explored as an anticancer agent for triple-negative breast cancer.

关键词： Halymenia durvillei Triple-negative breast cancer Apoptosis Autophagy Endoplasmic reticulum stress Red algae Hexadecanoic acid

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汉语单项定语标记的泰译处理方法

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现代语文（下旬．语言研究） 2011年第11期 130-131页

作者： nakorn Tulaphibanchai 北京语言大学曼谷学院

对泰语学习者来说，汉语结构助词“的”的泰译处理方法仍然是很难的事情。泰语学习者用泰语来对应“的”不正确。他们遇到“的”时往往翻译成泰语“kong”和“ti”这两个词。其实能对应“的”的泰语词有很多，如“ti”“an”“pu”“kon... 详细信息

对泰语学习者来说，汉语结构助词“的”的泰译处理方法仍然是很难的事情。泰语学习者用泰语来对应“的”不正确。他们遇到“的”时往往翻译成泰语“kong”和“ti”这两个词。其实能对应“的”的泰语词有很多，如“ti”“an”“pu”“kong”“heang”“tang”“nai”“sam-rab”。本文列出泰语中8个能与汉语结构助词“的”对应的泰语词，并找出它们的异同点，供泰语学习者使用。

关键词：的汉泰翻译泰语连接词

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