十二月 2, 2019

代写论文-特定藻类及其对HAA形成的贡献

  代写论文-特定藻类及其对HAA形成的贡献。最初,关于藻类存在与HAA形成之间的相互关系的证据很少不同的藻类种类,即Anaebenafos-aquae和Microcystisaeruginosa被认为是在处理过的水中形成HAA的主要贡献者。不同的藻细胞和各种代谢产物从他们获得由加工或细胞外的有机物包括细胞和滤液通常氯化维护一系列条件,这有助于估计数量的生产,从而对应HAA形成。进一步研究溴在HAA形成和物种形成过程中的作用,揭示了不同藻类细胞中藻类化合物和HAA形成的差异。在Anabena sp中,mono HAA是生长初期最主要的HAA形式。然而,di和Tri HAA只在生长的后期才出现。在EOM样本中,mono HAA恰好是在整个生命周期中占主导地位的唯一一类HAA。论文范文代写论文-特定藻类及其对HAA形成的贡献分享给留学生阅读。

  The various organic substances that are present in surface waters also contain algal cells and organic compounds from algae, which are present in the water undergoing disinfection. For surface waters which are eutrophic in nature including reservoirs and rivers, the total amount of organic matter thus obtained is substantial as a result of the algal substances which are contributed to the overall aqueous organic content. The presence of algae in water has been found to be significant, irrespective of whether the water is treated or untreated. Initially, there has been little amount of evidence regarding the interrelationship which exists between algal presence and HAA formation (Agori et al., 2015). The different algal species namely Anaebenafos-aquae and Microcystisaeruginosa are supposed to be the chief contributors towards the formation of HAA in treated water. The different algal cells and the various metabolic products that are obtained from them comprises of the EOM or extracellular organic matter including cells and filtrate are generally chlorinated maintaining a series of conditions, which helps to estimate their amount of production and thereby correspond to HAA formation (Ali et al., 2014).

  Further investigation on the role of bromide during HAA formation and speciation has revealed a variation of algal compounds and HAA formation for the different algal cells. In case of Anabena sp, mono HAA was the most predominant form of HAA which occurred in the early phases of growth. However, di and Tri HAA are documented to be present but only in the later phases of growth. In the EOM samples, mono HAA happens to be the only class of HAA which dominates throughout the life cycle.

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