Batch digester studies on biogas production from Cannabis sativa, water hyacinth and crop wastes mixed with dung and poultry litter

Mallik, M.; Singh, Usha; Ahmad, Nadeem

doi:10.1016/0269-7483(90)90089-b

Cited by 18 publications

(7 citation statements)

References 3 publications

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“…Kreuger et al [30], Heiermann et al [31], Adamovics et al [32], Mallik et al [33] and Kaiser [34] provided data from anaerobic digestion trials carried out on a laboratory scale (a few liters-capacity reactors) ( Table 1). As a pre-treatment, hemp was ground to a few mm or powder size.…”

Section: Introductionmentioning

confidence: 99%

Opportunities for Green Energy through Emerging Crops: Biogas Valorization of Cannabis sativa L. Residues

Asquer

Melis

Scano

et al. 2019

Climate

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The present work shows the experimental evidence carried out on a pilot scale and demonstrating the potential of Cannabis sativa L. by-products for biogas production through anaerobic digestion. While the current state-of-the-art tests on anaerobic digestion feasibility are carried out at the laboratory scale, the here described tests were carried out at a pilot-to-large scale. An experimental campaign was carried out on hemp straw residues to assess the effective performance of this feedstock in biogas production by reproducing the real operating conditions of an industrial plant. An organic loading rate was applied according to two different amounts of hemp straw residues (3% wt/wt and 5% wt/wt). Also, specific bioenhancers were used to maximize biogas production. When an enzymatic treatment was not applied, a higher amount of hemp straw residues determined an increase of the median values of the gas production rate of biogas of 92.1%. This reached 116.6% when bioenhancers were applied. The increase of the specific gas production of biogas due to an increment of the organic loading rate (5% wt/wt) was +77.9% without enzymatic treatment and it was +129.8% when enzymes were used. The best management of the biodigester was found in the combination of higher values of hemp straw residues coupled with the enzymatic treatment, reaching 0.248 Nm 3 ·kg volatile solids −1 of specific biogas production. Comparisons were made between the biogas performance obtained within the present study and those found in the literature review coming from studies on a laboratory scale, as well as those related to the most common energy crops. The hemp straw performance was similar to those provided by previous studies on a laboratory scale. Values reported in the literature for other lignocellulosic crops are close to those of this work. Based on the findings, biogas production can be improved by using bioenhancers. Results suggest an integration of industrial hemp straw residues as complementary biomass for cleaner production and to contribute to the fight against climate change.

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Section: Introductionmentioning

confidence: 99%

Opportunities for Green Energy through Emerging Crops: Biogas Valorization of Cannabis sativa L. Residues

Asquer

Melis

Scano

et al. 2019

Climate

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“…respectively, with methane content of approximately 50%. 4 Potential of biogas production from water hyacinth is changing between 200 and 300 L biogas kg −1 VS with 140-200 L methane (CH 4 ) kg −1 VS. 5 Higher yield of biogas with 671 L biogas kg −1 VS with 430 L CH 4 kg −1 VS was also reported by Vaidyanathan et al 6 Water lettuce digestion was carried out as batch runs in laboratory-scale digesters with the addition of inoculum (digested cattle manure). Gas yields were found in the range 533-707 L kg −1 VS in 30 days of digestion time at temperatures of 29.5 to 37.5 ∘ C. The average methane content was 58-68%.…”

Section: Introductionmentioning

confidence: 54%

“…The results of pilot‐scale digestions show that both water hyacinth and cabomba are readily degradable, yielding 267 L biogas kg −1 volatile solid (VS) and 221 L biogas kg −1 VS, respectively, with methane content of approximately 50% . Potential of biogas production from water hyacinth is changing between 200 and 300 L biogas kg −1 VS with 140–200 L methane (CH 4 ) kg −1 VS . Higher yield of biogas with 671 L biogas kg −1 VS with 430 L CH 4 kg −1 VS was also reported by Vaidyanathan et al Water lettuce digestion was carried out as batch runs in laboratory‐scale digesters with the addition of inoculum (digested cattle manure).…”

Section: Introductionmentioning

confidence: 66%

“…There are many studies on AD of aquatic weeds such as water hyacinth, water lettuce, cabomba, and salvinia to produce biogas. 2,[4][5][6][7][8][9] The results of pilot-scale digestions show that both water hyacinth and cabomba are readily degradable, yielding 267 L biogas kg −1 volatile solid (VS) and 221 L biogas kg −1 VS, www.soci.org T Güngören Madenoglu et al…”

Section: Introductionmentioning

confidence: 99%

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Kinetic analysis of methane production from anaerobic digestion of water lettuce (Pistia stratiotesL.) with waste sludge

Madenoğlu

Falizi

Kabay

et al. 2019

J of Chemical Tech & Biotech

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BACKGROUND Increasing demand on energy sources has motivated research studies on renewable energy originating from biomass. Water lettuce (Pistia stratiotes L.) as an invader lignocellulosic biomass with high crop yield can be utilized in anaerobic digestion to produce biomethane. Substrate and inoculum concentrations, and temperature are important parameters for kinetic analysis of methane production that was performed with water lettuce and waste sludge for the first time. Kinetic analysis can be used in reactor design, scale up and identification of optimum conditions. RESULTS In the present study, anaerobic digestion of water lettuce with waste sludge as inoculum was performed in a batch system. Substrate concentration [30, 40 and 50 g total solid (TS) L−1], waste sludge concentration (3.4 and 6.8 g TS L−1) were investigated at different digestion temperatures (35, 45, 55 and 65 °C). In the studied range, the highest biogas yield [321 mL g–1 volatile solid (VS) with 72.5% of methane content) was reached at substrate concentration of 30 g TS L−1 and waste sludge concentration of 6.8 g TS L−1 at 35 °C. The Cone model fitted well to the actual methane production compared to the modified Gompertz model. The effect of digestion temperature on methane production potential was described by the Ratkowsky model (R2 = 0.91) and optimum digestion temperature was found as 45 °C. Experimental methane yields were 81.5–232.7 mL methane g–1 VS which were 27.7–79.0% of theoretical maximum methane yield. Energy conversion efficiency was reached up to 78.4%. CONCLUSION The results revealed that anaerobic digestion of water lettuce with waste sludge for high methane production rate was accomplished at certain substrate and inoculum concentrations and temperature. © 2019 Society of Chemical Industry

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“…Gadre et al [46] have reported that 15 days retention time is the best for biogas production in South and Central region of India where the ambient temperature is around 28 C. Kalia and Kanwar [47] reported that the partially decomposed (5 days aerobic decomposition) Ageratum can be used as substrate together with cattle waste for biogas production. Mallik et al [48] reported the use of Cannabis for biogas production; but observed that use of fresh Cannabis at 31% completely stopped the biogas production due to the presence of alkaloids in higher concentration. Singh and Gupta [49] have reported a yield of 0.26 kg m À3 VS (volatile solids) per day of biogas from cow dung.…”

Section: Biogas Productionmentioning

confidence: 98%

A prototype of proposed treatment plant for sago factory effluent

Savitha

Sadhasivam

Swaminathan

et al. 2009

Journal of Cleaner Production

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Batch digester studies on biogas production from Cannabis sativa, water hyacinth and crop wastes mixed with dung and poultry litter

Cited by 18 publications

References 3 publications

Opportunities for Green Energy through Emerging Crops: Biogas Valorization of Cannabis sativa L. Residues

Opportunities for Green Energy through Emerging Crops: Biogas Valorization of Cannabis sativa L. Residues

Kinetic analysis of methane production from anaerobic digestion of water lettuce (Pistia stratiotesL.) with waste sludge

A prototype of proposed treatment plant for sago factory effluent

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