以芦苇制浆黑液木质素为原料,利用K2CO3为活化剂通过化学活化制备出以微孔为主的大比表面积活性炭。考察了活化温度对所得活性炭BET比表面积、微孔体积以及中孔体积的影响。确定了800℃为制备大比表面积活性炭的最佳温度。800℃下所得活性炭的BET比表面积以及孔体积可分别达到1401m2/g和0.79ml/g。XRD显示活性炭中出现硅晶体。该活性炭在pH=7下能较好的吸附重金属Cr(VI),其最大吸附量可达54.23mg/g ...
张金平, 孙勇, 彭绍军, 杨刚
core
[Determination of ethylene oxide and acetaldehyde in petrochemical exhaust based on thermal desorption- gas chromatography-mass spectrometry]. [PDF]
Li YJ.
europepmc +1 more source
<正> 活性炭材料是由石墨微晶和无定形炭构成的一种黑色多孔固体,孔隙结构发达,具有巨大的比表面积,对气体、溶液中的无机或有机物质及胶体颗粒等都有很强的吸附能力 ...
邵曼君, 张春山
core
[Expert consensus on airway lavage therapy for adult burn patients (2026 edition)]. [PDF]
Chinese Burn Association +1 more
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[Two siblings with congenital erythropoietic porphyria in one family: case report and literature review]. [PDF]
Yang YQ, Han Y, Zhang CL, Xie M.
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[Progress in preparation of plant biomass-derived biochar and application in pesticide residues field]. [PDF]
Zhang X, Zhen D, Liu F, Peng Q, Wang Z.
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[Untargeted metabolomics reveals differential serum metabolites and metabolic pathways in patients with primary Sjögren syndrome and thrombocytopenia]. [PDF]
Xiang Z, Yang L, Yang J.
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[Advances in separation and analysis of aromatic amino acids in food]. [PDF]
Lu C, Zhang Y, Su Y, Wang W, Feng Y.
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较全面地介绍了目前以造纸黑液酸析木质素为原料制备活性炭的研究进展,指出不同的活化剂以及活化方法将产生不同性质、不同用途的活性炭。通过比较磷酸活化、氯化锌活化、碳酸钾活化、氢氧化钾活化、氢氧化钠活化、高温水蒸气活化以及二氧化碳活化所制备活性炭的孔隙参数以及工艺条件差异,进而指出依据不同的用途确定使用不同的活化剂进行活化制备不同孔隙性质的活性炭 ...
李佐虎, 孙勇
core
[Separation and purification of phospholipids from Antarctic krill oil by hydrophilic interaction liquid chromatography]. [PDF]
Pan J, Hong L, Zhang Y.
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