active carbon ['æktɪv, kɑːbən]
这几个单词的英标分别为：
active ['æktɪv]：/æktɪv/，发音时注意字母a的发音时舌尖不接触上齿，舌头中部略微抬起，双唇略微收拢。
carbon ['kɑːbən]：/kɑːbən/，发音时舌尖抵住下齿，舌中部略微抬起，双唇略微张开，发/ɑː/的音。
这几个单词的意思是：
active：主动的，积极的。
carbon：碳。
active carbon的意思是“活性炭”。
分别的发音：/fēn bǐ/。
分别的用法：分别可以用作名词、副词和动词。作为名词时，可以表示“差别；分别；角色”的意思；作为副词时，可以表示“分别地”的意思；作为动词时，可以表示“分别”或“分别对待”的意思。
分别的记法：可以结合具体的语境来记忆，也可以通过造句、联想法等方式来记忆。
活性炭的物理现象包括多孔结构、高比表面积、高吸附性和孔隙不均匀性。
活性炭是由煤、木屑、果壳等原料经过破碎、磨碎、筛分等工艺流程，制成含碳量在90%以上的黑色粉末，再经过炭化、活化等工艺过程，制成具有巨大比表面积的炭质吸附剂。
在活化过程中，活性炭表面形成含有含氧基团，如羧基、酚基、羟基、羰基和醚键等，这些基团具有很强的极性和亲水性，使得活性炭表面具有很高的表面活性中心，并形成不规则的微孔结构。这些微孔结构具有很强的吸附性能，能够有效地吸附和去除水中的有机物质、重金属离子、细菌、余氯等物质，同时还能脱除水中的氨氮和硫化氢等气体。
此外，活性炭的微孔数量和孔径分布是影响其吸附性能的重要因素。由于活性炭的微孔数量多、孔径小，因此活性炭具有很大的比表面积，能够吸附和去除更多的分子。同时，活性炭的孔径分布也会影响其吸附性能，不同性质的物质会被吸附在不同的孔径范围内。
Active Carbon Management: A Key to Environmental Sustainability
Active carbon, a highly effective form of carbon material, has numerous applications in various industries, including air filtration, water treatment, and adsorption. However, improper management of active carbon can lead to environmental concerns and resource waste. Therefore, effective active carbon management is crucial for environmental sustainability.
Firstly, proper storage and handling of active carbon should be emphasized. Active carbon particles are fine and may pose a risk of inhalation or ingestion. Therefore, it is essential to store active carbon in a secure and well-ventilated area, and to follow proper handling procedures to avoid accidental exposure.
Secondly, waste active carbon should be properly disposed of. Many industrial processes generate waste active carbon, which can contain harmful substances such as heavy metals and toxic gases. Therefore, it is crucial to ensure that waste active carbon is properly disposed of in accordance with local regulations and best practices.
Thirdly, recycling and reusing active carbon should be promoted. Active carbon can be recycled and reused multiple times, reducing resource waste and environmental impact. Therefore, companies should invest in recycling programs and encourage employees to return used active carbon for reuse.
Fourthly, active carbon production should be optimized to reduce emissions and waste. Manufacturers should adopt environmentally friendly production methods and minimize waste generation. For instance, by using alternative raw materials and optimizing production processes, manufacturers can reduce emissions and improve product quality.
Lastly, companies should establish an effective active carbon management plan that includes all relevant stakeholders. This plan should include measures to ensure proper storage, handling, disposal, recycling, and optimization of active carbon. Additionally, the plan should include training for employees on active carbon management principles and procedures to ensure proper implementation.
In conclusion, active carbon management is essential for environmental sustainability. Proper storage and handling, waste disposal, recycling and reuse, optimization of production processes, and stakeholder collaboration are key elements of effective active carbon management. By implementing these measures, companies can minimize environmental impact and ensure a sustainable future for active carbon.