Influential Parameters on Biomethane Generation in Anaerobic Wastewater Treatment Plants

Tabatabaei, Meisam; Sulaiman, Alawi; Nikbakht, Ali; Yusof, Norjan; Najafpour, Ghasem

doi:10.5772/24681

Cited by 22 publications

(11 citation statements)

References 168 publications

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“…Imbalance can occur due to excessive organic loading or changes in operating conditions (Tabatabaei et al, 2011) which would trigger the accumulation of acidic intermediate products that are inhibiting bacteria methanogens (Marchaim, 1991).…”

Section: Introductionmentioning

confidence: 99%

Biogas Production and Removal COD – BOD and TSS from Wastewater Industrial Alcohol (Vinasse) by Modified UASB Bioreactor

Utami

Redjeki

Astuti

2016

MATEC Web of Conferences

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Biogas production and decreased organic loading of vinasse using a modified UASB bioreactor has been done successfully. Vinasse is waste from the ethanol industry which contains COD: 9.360 mg / L , BOD : 4.013 mg/L, and TSS: 317.5 mg/L. The purpose of this research was to study the performance of bioreactors Upflow Anaerobic Sludge Blanket (UASB) to decompose the vinasse into biogas or methane. UASB operating principle is to distribute wastewater in the bioreactor to flow upward through the sludge blanket by setting the hidrolic retention time (HRT). Four UASB bioreactor columns were used in this experiment wherein each with a capacity of 50 L in volume; 23 cm inside diameter, and 120 cm. The variations of hydraulic capacity followed the variations of HRT in the range of 72-36 hours. Modifications were carried out on the top of column UASB with the aim of preventing gas losses and increasing the flowrate of gas out from the top of the column. The results showed that HRT increased from 36 h to 72 h followed by an increase in COD removal efficiency of 55.64% to 66.81%; BOD5 from 67.85% to 74.58%; and TSS from 66.69% to 84.19%. The maximum volume of biogas produced was in the range of 5.826 L / day (42.89% methane) to 7.930 L / day (methane 58.06%).

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Section: Introductionmentioning

confidence: 99%

Biogas Production and Removal COD – BOD and TSS from Wastewater Industrial Alcohol (Vinasse) by Modified UASB Bioreactor

Utami

Redjeki

Astuti

2016

MATEC Web of Conferences

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“…Sludge digestion becomes faster, as the temperature goes up. In the natural environment, the optimum temperature for the growth of methane forming archaea is from 30°C to 36°C for mesophilic systems (Tabatabaei et al, 2011). At the HWTF, temperature is kept between the interval values given in Table 1 to have a stable biogas production.…”

Section: List Of Input Variablesmentioning

confidence: 99%

An integrated prediction and optimization model of biogas production system at a wastewater treatment facility

Akbaş

Bilgen

2015

Bioresource Technology

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“…The soluble organic components in the fermenter, shown as COD, originate from the hydrolysis process that liquefies large molecules; long-chain natural polymers of the substrate-like cellulose, hemicellulose, lignin, and polysaccharides; and proteins by extracellular enzymes [17,44]. Previous studies on anaerobic fermentation of crops and manure showed that the COD in the reactor increased and then decreased because organic matter in the liquid was generated first and then consumed to produce the biogas.…”

Section: Variation Of Chemical Oxygen Demands (Cod)mentioning

confidence: 99%

Biodegradability during Anaerobic Fermentation Process Impacted by Heavy Metals

Tian¹,

Zhang²,

Sanganyado³

2020

New Advances on Fermentation Processes

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In the past decades, biotechnologies for reutilizing the biomass harvested from the metal-contaminated land draw attention to many scientists. Among those technologies, anaerobic fermentation is proven as an efficient conversion process for biowaste reduction with simultaneous recovery of biogas as an energy source. During the process of anaerobic fermentation, the release of metals from the biomass will impact the growth and performance of microorganisms in reactors, which then results the variation of substrate degradation. In this chapter, the impact of metals on the degradation of substrate at different stages of fermentation process, as indicated by variations of lignocelluloses, chemical oxygen demands (COD), volatile fatty acids (VFAs), etc., will be summarized. The objective is to rationalize the relationship between metal presence and substrate degradability and give suggestions for future research on metal-contaminated biomass reutilization.

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Influential Parameters on Biomethane Generation in Anaerobic Wastewater Treatment Plants

Cited by 22 publications

References 168 publications

Biogas Production and Removal COD – BOD and TSS from Wastewater Industrial Alcohol (Vinasse) by Modified UASB Bioreactor

Biogas Production and Removal COD – BOD and TSS from Wastewater Industrial Alcohol (Vinasse) by Modified UASB Bioreactor

An integrated prediction and optimization model of biogas production system at a wastewater treatment facility

Biodegradability during Anaerobic Fermentation Process Impacted by Heavy Metals

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