Previous Article Optimization of biogas yield from anaerobic co-digestion of corn-chaff and cow dung digestate: ... The ball mill required 79.87 KWh t−1 of energy to mill the Master diorite rocks and 78.02 KWh t−1 to mill the Panda diorite. The mineralogical analysis showed that the Master diorite contained higher amounts of silicates ...

In the present study, the Pennisetum hybrid was processed in a planetary ball mill at a rotational speed of 600 rpm and a ball: powder ratio of 10: 1 at room temperature. The planetary ball mill had four ball-grinding jar holders installed on a single planetary disk. When the latter was rotated, the jar axis made planetary movements.

Ceramic ball mill ceramic ball mill machine description: ... Mixture composed by 4th cut dehydrated alfalfa and corn in dough stage. Raw matter of Italian origin are selected and mechanically Show More ... Petrochemicals, natural gas, biogas, coal gas that are also intrinsically used in different areas of energy consumption products. ...

dry milling and wet milling india. dry milling and wet milling india. Wet and Dry Milling Equipment Size Reduction Hanningfield,Wet Milling For a faster and more consistent drying process downstream manufacturers may want to reduce the particle size of material This increases the surface area of the product enabling it to dry quicker before downstream processes Through wet milling lumpy and ...

In this study, we investigated the effect of vibro-ball milling (VBM) for 5 and 30 min at a frequency of 20 s −1 on the physicochemical composition and enzymatic hydrolysis (30 U g −1 total solids (TS) of cellulase and endo-1,4-xylanase from Trichoderma longibrachiatum) of dry and wet solid separated digestates from an agricultural biogas ...

The biggest corn starch production is in the USA and it represents more than 80% of the worldwide market . In the USA, corn is a source of over 95% of bioethanol production and the rest is produced from barley, wheat, whey and beverage residues . The grain sorghum cultivating regions in the USA show an increasing interest in bioethanol ...

The corn stover was obtained from local farm (Xu Chang, Henan Province, China) and was air-dried and ground in a ball mill (Tai Chi Ring Nano Products Co., Ltd., Qinhuangdao, China) to through a 40-mesh screen. The ground corn stover was stored in sealed plastic bags at room temperature before enzymatic hydrolysis.

Biogas plants for waste treatment valorization are presently experiencing rapid development, especially in the agricultural sector, where large amounts of digestate are being generated. In this study, we investigated the effect of vibro-ball milling (VBM) for 5 and 30 min at a frequency of 20 s−1 on the physicochemical composition and enzymatic hydrolysis (30 U g−1 total solids (TS) …

Planetary ball mill: Grass: Applying wet (adding water 1/3 v/v) and dry (without adding water) milling for 3 to 12 h: 44.68% higher biogas production and 41.04% higher methane yield with dry milling for 3 h: 0.676 m 3 CH 4 /kg VS

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A ball-mill (Mixer Mill 400, Retsch, Germany) was used to reduce corn stover particle size to <0.5 mm. Corn stover (30 g) and a stainless steel ball (1.5 cm diameter) were placed in the mixing jar prior to ball milling at 10 Hz for 1 hour at room temperature (21°C) (Mais et al., 2002).

A higher biogas yield (485.7–681.9 mL gVS −1), as well as more pronounced methane content in the biogas (63.0–66.6%), were achieved in reactors with accelerants compared with the control (59.4% and 361.9 mL gVS −1). Moreover, the digestates from accelerant-introduced reactors showed superior characteristics in terms of stability, safety ...

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then finely ground using a Ball Mill (MM200; Retsch , ... stage process for biohydrogne and biogas production using corn silage and cattail ... of 0.2 g urea + 40 g cow manure produced the ...

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The impact of attrition ball-mill pretreatment on food waste particle size, soluble chemical oxygen demand (SCOD), biochemical methane potential, and …

There was a much smaller range in pef of corn silage when 3 sieves, rather than 2, were used with the PSPS (range of 0.93 to 0.96 vs. 0.41 to 0.72, respectively).

Corn, stalks after harvest could be used for cellulose fuel. 2. ... It's actually a vegetable that produces a powerful biogas yield. ... You can flush the ball mill with water, dissolve the sugars, float the lignin and recover the clay catalyst for the next batch. The sugary water can be fermented by ethnogeny bugs, similar to those that make ...

The cow dung was obtained from the Mengniu Modern Animal Husbandry (Group), Maanshan Co. First, all of the raw materials were dried at 383 K for 24 h, individually ground in a ball mill to a passing size of 74 μm for the iron ore and 200 μm for the reducing agents.

Zhou S, Zhang Y, Dong Y. Pretreatment for biogas production by anaerobic fermentation of mixed corn stover and cow dung. Energy. 2012; 46:644–648. doi: 10.1016/j.energy.2012.07.017. [Google Scholar] Zhu S, Wu Y, Chen Q, Yu Z, Wang C, Jin S. Dissolution of cellulose with ionic liquids and its application: a mini-review.

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Biogas can be produced by different types of materials such as cow manure, palm oil mill effluent, paddy straw, EFB and etc. In this case, EFB is used as raw materials for the production of biogas. EFB that is used for the process is obtained from a palm oil mill and send to the biogas production plant.

The digestate for the batch-test was taken from stable-working biogas plants using energy crops (cow manure and corn cob mix). To validate the layering in the digesters in a first step the digesters were not stirred for 24 h. Then samples of digestate (8.7% dry matter (DM)) were taken with a pipette at four different levels.

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The task consisted of processing fresh silage, as well as corn and grass silage in the same manner. Goal of the work is the determination of the chemical oxygen demand the CSB value. For this purpose various suppliers offer ready made testing solutions, for example CSB according to Dr. Lange or by Riedel-de Haen the vessel test 37737 „AQUANAL". Hereby, the mass of oxygen per volume unit ...

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The synthesis of a renewable energy source as an alternative to non-renewable energy source has been evaluated where energy is produced from biogas through anaerobic digestion process (El- Mashad & Zhang, 2010). Biogas is a renewable fuel that consists of 60-70% methane, 20-30% carbon dioxide and other trace compounds such as hydrogen sulfide.

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Biogas production at a large scale is feasible with biomasses such as straw or maize in Poland (Gaworski et al., 2017), however, macroalgae has been explored as a biomethane feedstock, for example, the use of Ulva sp. mixed with cow dung in India reached yields of around 574 ± 26 L CH 4 /kg VS at lab-scale level, with processing conditions of ...

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This invention discloses systems and methods for conversion of high moisture waste materials to dry or low moisture products for recycle or reuse. The equipment systems comprise a gas turbine generator unit (preferred heat source), a dryer vessel and a processing unit, wherein the connection between the gas turbine and the dryer vessel directs substantially all the gas turbine exhaust into the ...