کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4996795 1368274 2017 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Improved methanization and microbial diversity during batch mode cultivation with repetition of substrate addition using defined organic matter and marine sediment inoculum at seawater salinity
ترجمه فارسی عنوان
بهبود متانیزاسیون و تنوع میکروبی در حیط کشت با تکرار افزودن سوبسترا با استفاده از ماده آلی و دریچه رسوب در شیوه آب شور
کلمات کلیدی
بسترهای تعریف شده، کشت نمونه با تکرار افزودن سوبسترا، متان، شوری دریایی، جامعه میکروبی،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
چکیده انگلیسی


- Defined sugar, protein, and fat were methanized at seawater salinity.
- Batch mode cultivation using marine sediment inocula improved methanization.
- Substrate-fed and non-fed cultures had distinct microbial community composition.
- Bacterial members depended on the substrate.
- The culture of the marine inocula can be used to treat saline waste.

The activation of microbes, which are needed to initiate continuous methane production, can be accomplished by fed-batch methanization. In the present study, marine sediment inoculum was activated by batch mode methanization with repetition of substrate addition using defined organic matter from sugar, protein, or fat at seawater salinity to investigate the potential for application of the activation method to various types of saline waste and microbial community compositions. All substrates had methane potentials close to the theoretical value except for bovine serum albumin (BSA) whose methane potential was lower, but the maximum methane potential reached the value during repeated methanization. Beta diversity analysis revealed that substrate (especially BSA)-fed and non-fed cultures had distinct microbial community compositions. Bacterial members depended on substrate. Thus, marine sediment inocula activated via the methanization method can be used to effectively treat various types of saline waste.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 245, Part A, December 2017, Pages 833-840
نویسندگان
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