首页> 外文会议>International Conference on Thermal Treatment Technologies and Hazardous Waste Combustors >Beneficent Implications on Admixture of 'Biochar' Carbons into Thermally-Treated Soils.
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Beneficent Implications on Admixture of 'Biochar' Carbons into Thermally-Treated Soils.

机译:“生物炭”碳对热处理土壤混合物的敏捷意义。

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Exploring the range of possible applications for so-called 'biochar' carbons, thermally produced in pyrolyzing units acting on variously-sourced organic materials / wastes, is currently an active field of R&D. In the context of environmental soil remediation via the technique of thermal desorption by means of a thermal desorption unit (TDU), the rapid thermal excursioning of clay minerals is expected to lead to an effective increase in accessible clay mineral surface areas post-treatment, chiefly owing to the sudden rises in the intra-crystalline pressures of water vapor within the mineralogic structural gallery spaces in the individual clay mineral crystal structures. In an agrological sense, this leads to the post-treatment accessioning of hitherto poorly-available mineral ions that were originally contained within clay mineral crystals, thereby contributing to an often-observed increase in the fertility of thermally-treated soils in the growing season/s immediately following environmental clean-up operations and re-emplacement of the cleaned soil. Here we are seeking to investigate the effects of deliberately admixing 'biochar' products of various provenances, produced from different source materials, by various pyrolyzer designs (e.g., at different processing rates, temperatures, etc.) into freshly thermally-desorbed soils, in order to see how well component biochar molecular skeleta (largely comprised of polynuclear aromatic systems, PNAs) might 'mesh' / interact / intercalate with freshly-exposed clay mineral platelets, perhaps to augment / prolong the oft-observed increase in soil fertility post-TDU treatment. We are also investigating the potential for generating biochars from suitable organic materials that could be deliberately added to the contaminated soil feed (i.e., pre-TDU), so as to generate potentially beneficial biochars within the TDU itself (i.e., essentially in situ), chiefly via the thermal dehydration of carbohydrates in the necessarily loW-O2 environment pertaining inside the TDU's main drum.
机译:探索的可能的应用为所谓的“生物炭”碳的范围内,作用在热解单元不同来源的有机材料/废物热生产的,是目前R&d的活动字段。在通过热脱附的由热脱离装置(TDU)的手段的技术环境的土壤修复的情况下,粘土矿物的快速热excursioning预计将导致以无障碍粘土矿物的表面区域的有效增加后处理,主要是由于在水蒸汽中的各个粘土矿物的晶体结构的矿物学结构画廊空间内的帧内结晶压力突然上升。在agrological意义上,这导致了后处理accessioning迄今不佳,可用矿物离子的原先含有粘土矿物晶体中,从而有助于在生长季节热处理土壤肥力经常看到的增加/ ŝ紧随其后的环境清理行动和清洁土壤的重新安置。在这里,我们正在寻求调查的故意混合“生物炭”各种种源的产品,从不同的源材料生产的,通过各种热解器的设计(例如,在不同的处理速度,温度等)的入新鲜热解吸土壤的影响,在为了看到组分生物炭分子后骨骼肌有多好(基本上由多环芳族系统的物,PNA)可能“目” /交互/地嵌入用新鲜曝光的粘土矿物血小板,也许以增加/延长经常观察到在土壤肥力增加后TDU治疗。我们还研究用于从合适的有机材料产生生物炭可能被有意加入到污染的土壤进料(即,预TDU)的电势,以产生所述TDU本身内潜在有益的生物炭(即,本质上在原位),通过碳水化合物在TDU的主滚筒内有关的必然低O2环境的热脱水主要。

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