Enhancement of Methane Production by Codigestion of Dairy Manure with Aquatic Plant Biomass

2012 ◽  
Vol 5 (3) ◽  
pp. 147-157 ◽  
Author(s):  
S. L. Henderson ◽  
P. A. Triscari ◽  
D. M. Reinhold
Keyword(s):  
Methane Production ◽  
Aquatic Plant ◽  
Plant Biomass ◽  
Dairy Manure

Comparison of simultaneous and separate processes: saccharification and thermophilicL-lactate fermentation of catch crop and aquatic plant biomass

2012 ◽  
Vol 33 (13) ◽  
pp. 1523-1529 ◽  
Author(s):  
Satoshi Akao ◽  
Koutaro Maeda ◽  
Shingo Nakatani ◽  
Yoshihiko Hosoi ◽  
Hideaki Nagare ◽  
...  
Keyword(s):  
Aquatic Plant ◽  
Plant Biomass ◽  
Catch Crop ◽  
Lactate Fermentation

scholarly journals The Effects of Microwave Pretreatment of Dairy Manure on Methane Production

2013 ◽  
Vol 04 (03) ◽  
pp. 246-256 ◽  
Author(s):  
Ian Chan ◽  
Asha Srinivasan ◽  
Ping H. Liao ◽  
Kwang V. Lo ◽  
Donald S. Mavinic ◽  
...  
Keyword(s):  
Methane Production ◽  
Dairy Manure ◽  
Microwave Pretreatment

Pretreatment methods for aquatic plant biomass as carbon sources for potential use in treating eutrophic water in subsurface-flow constructed wetlands

2012 ◽  
Vol 66 (11) ◽  
pp. 2328-2335 ◽  
Author(s):  
Xiang-Feng Huang ◽  
Xin Liu ◽  
Jia-Jia Shang ◽  
Yi Feng ◽  
Jia Liu ◽  
...  
Keyword(s):  
River Water ◽  
Constructed Wetlands ◽  
Water Samples ◽  
Aquatic Plant ◽  
Plant Biomass ◽  
Carbon Sources ◽  
Oxygen Demand ◽  
Average Ratio ◽  
Eutrophic Water ◽  
Potential Use

Plant biomass is usually added to constructed wetlands (CW) to enhance denitrification. In this study, we investigated effects of different pretreatments on two common external plant carbon sources, cattail and reed litter. We determined the average ratio of chemical oxygen demand (COD) to total nitrogen (TN), designated as C/N, in water samples after addition of litter subjected to various pretreatments. The C/N in the water samples ranged from 4.8 to 6.4 after addition of NaOH-pretreated cattail litter, which was four to six times greater than that of water from the Yapu River and 3.84–39.15% higher than that of systems that received untreated cattail litter. The C/N of systems that received H2SO4-pretreated carbon sources varied from 1.7 to 3.6. These two methods resulted in TN and total phosphorus (TP) levels lower than those in river water. The C/N was 1.4–1.7 after addition of CH3COOH-pretreated reed litter, which was 34.87–53.83% higher than that of river water. The C/N was 2.5 in systems that received mild alkali/oxidation-pretreated reeds, which was 30.59% higher than that of systems that received non-pretreated reeds. The residue rates of cattail and reed litter subjected to various pretreatments were greater than 60%. Our results showed that NaOH, H2SO4, and mild alkali/oxidation pretreatments were useful to rapidly improve the C/N of river water and enhance denitrification.

scholarly journals Modeling of the methane production and pH value during the anaerobic co-digestion of dairy manure and spent mushroom substrate

2014 ◽  
Vol 244 ◽  
pp. 258-263 ◽  
Author(s):  
Xiao-Shuang Shi ◽  
Xian-Zheng Yuan ◽  
Yu-Ping Wang ◽  
Shu-Juan Zeng ◽  
Yan-Ling Qiu ◽  
...  
Keyword(s):  
Methane Production ◽  
Ph Value ◽  
Dairy Manure ◽  
Spent Mushroom Substrate

scholarly journals Kentucky Bluegrass Response to Use of Aquatic Plants as a Soil Amendment

HortScience ◽  
2005 ◽  
Vol 40 (1) ◽  
pp. 237-241 ◽  
Author(s):  
A. Fortuna ◽  
P.E. Rieke ◽  
L.W. Jacobs ◽  
B. Leinauer ◽  
D.E. Karcher
Keyword(s):  
Waste Disposal ◽  
Soil Amendment ◽  
Aquatic Plant ◽  
Nutrient Loading ◽  
Plant Biomass ◽  
N Uptake ◽  
Nutrient Content ◽  
Kentucky Bluegrass ◽  
Land Application ◽  
Available N

Rapid aquatic plant growth in Michigan's smaller lakes has reduced their navigability and recreational use. Harvested aquatic weeds have posed a new waste disposal issue for municipalities. Application of lake weeds as a soil amendment on area farms was viewed as a possible waste management option that might benefit local sod producers. The objectives of this study were to 1) estimate the amount of plant-available N (PAN) released from lake weed material, 2) determine the chemical composition of aquatic plant tissues and their effect on plant-available moisture, and 3) study turfgrass response to lake weed applications using the criteria of turfgrass quality, growth, and N uptake. Rates of lake weed refuse applied to field plots were 96, 161, and 206 Mg·ha-1. Two 47-day laboratory incubations were conducted with the same rates of refuse. Relative to biosolids, the metal content of the lake weeds was low and the nutrient content high. One megagram of lake weeds contained 0.37 kg of P and 2.5 kg of K. The decay constant for the C fraction in lake weeds was 8 to 10 days and 16 days for the N fraction. Estimates of the N supplied by lake weeds (570, 960, and 1200 kg PAN/ha) were based on data from C and N incubations. Application of lake weeds significantly increased plant-available soil moisture and significantly enhanced sod establishment and turf density, resulting in decreased weed pressure. However, excess N was present at higher application rates. Management concerns during the application of lake weeds should focus on nutrient loading and the timing of plant-available N release. Depending on methods of weed harvesting, we observed that large amounts of unwanted trash present in the plant biomass could discourage use by growers. Land application of lake weed refuse could ease waste disposal problems, reduce fertilizer inputs for sod growers, and improve the moisture status of sands. Further, this information can be of value to environmental regulatory agencies in determining safe and proper use of such waste materials.

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