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多孔生物炭的制备、改性及碳捕获机理和应用前景研究

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生物质在高温、无氧(或低氧)条件下进行裂解与碳化得到生物油、合成气与生物炭,该过程可有效减少生物质的焚烧,从而降低CO2排放.由于可塑性强、孔径结构复杂、环境危害小,生物炭材料作为生物质能衍生物已被广泛应用于土壤改良、水污染治理与固碳等领域.该文研究了一种作为新型化工领域材料的生物炭应用于CO2固体吸附剂领域的可行性与捕获机理,为实现双碳目标提供潜在路径.研究分析认为,由于生物炭自身的环保性与可持续性,该吸附剂在捕获CO2失活后可以进行土壤改良或应用于其他相关环保领域,该特点是其他CO2吸附剂无法比拟的.因此,生物炭作为一种具有CO2吸附潜力、稳定性高、持续性强的生物材料,为未来中国深入发展CCUS领域增加材料选择性,为企业实现绿色循环生产提供思路.
The Preparation and Development of Porous Biochar Materials for Carbon Capture
Biomass materials can produce the bio-oil,synthesisgas,and biochar materials according to the pyrolysis and carbonization processes under the high-temperature and anaerobic atmosphere.Biochar has a high and stable carbon content,and can reduce the carbon emissions.Due to the novelties of easy-modification,complex textural structure,and environmentally friendly,biochar materials derived by biomass has been widely applied in soil amendment,polluted water treatment,carbon fixation and other fields.As one of the new chemical engineering adsorbents,biochar shows the potential to accelerate the achievement of carbon neutrality.Moreover,because of the sustainability,biochar adsorbent could further used in soil improvement or other applications after capturing CO2.Therefore,biochar as a kind of carbon capture adsorbent,it has impressive prospective due to the reliable CO2 capture capacity and stability.

biomassbiocharcarbon dioxideCCUSmechanism studycarbon capturedirect air capture

张晨

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中国石化集团经济技术研究院有限公司,中国石化咨询有限责任公司,北京 100029

生物质 生物炭 CO2 CCUS 机理研究 碳捕获 直接空气捕获

2024

石油石化绿色低碳
中国石油化工集团公司经济技术研究

石油石化绿色低碳

影响因子:0.23
ISSN:2095-0942
年,卷(期):2024.9(4)