# 論文代寫-PHA多羥基烷酸鹽的工業生產

論文代寫-PHA多羥基烷酸鹽的工業生產。對於工業化生產的PHA，微生物是首選。根據單體化合物的不同，PHA的用法也有所不同。這些PHA是基於細菌的。革蘭氏陽性菌和革蘭氏陰性菌用於工業生產PHA 與植物和農作物相比，細菌可以產生90%的PHA。在工業條件和大規模生產中，最好使用細菌或PHA的生產，一些最常見的化合物是嗜水氣單胞菌、sp芽孢杆菌、Alcaligenes latus和Methylobacterium sp (Weerakody, 2013)。在工業化規模的發酵過程中，細菌被實踐。它們首先被用來增加細菌的含量，然後被用來從這個過程中提取所需的PHA分子。接下來論文范文論文代寫-PHA多羥基烷酸鹽的工業生產分享給留學生閱讀。

For the industrial production of PHA, microorganism is preferred. Based on the monomeric compounds the usage of PHA varies. These PHA are based on the bacterium. Gram positive and gram-negative bacteria are used in industries for the generation of PHA (Weerakody, 2013). Bacteria are found to product 90% of the PHA when compared to plants and crops. In industrial conditions and for mass production it is best to use bacterium or the production of PHA some of the most common compounds are Aeromonas hydrophila, Bacillus sp, Alcaligenes latus and Methylobacterium sp (Weerakody, 2013). In industrial scale fermentation process of this, bacterium is practiced (Kaur & Roy, 2015). They are first made to increase the bacterial content and they are dissipated to extract the required PHA molecules from this process. There are many ways to extract PHA from the bacterial cells (Kaur & Roy, 2015). Cell disruption, solvent extraction, and chemical or enzymatic digestion of these cells are done in order to facilitate the production of PHA (Kaur & Roy, 2015). The methods used are based on the monomeric compounds that are needed for deriving the methods of cellular extraction of PHA molecules (Kaur & Roy, 2015).

One of the limitations of PHA is the increased dependence on nitrogen and phosphorous compounds (Wen et al., 2010). If the composition of the Nitrogen and Phosporous varies then the final PHA that is obtained is not the one needed. This contributes to sludge biomass. These monomeric compounds can be altered easily (Wen et al., 2010). This is one of the major limitations when applying PHA on a large commercial scale.