نتایج جستجو برای: up flow anaerobic sludge blanket uasb
تعداد نتایج: 1412653 فیلتر نتایج به سال:
a newly developed natural rubber deproteinization process produces deproteinized natural rubber (dpnr) wastewater as an intermediate product containing a high concentration of sodium dodecyl sulfate (sds) and rubber. in this study, a novel process to recover the residual rubber and energy as methane from dpnr wastewater was developed. as a pretreatment, sds and residual rubber in dpnr wastewate...
The effects of acetate, propionate, and butyrate on the anaerobic thermophilic conversion of propionate by methanogenic sludge and by enriched propionate-oxidizing bacteria in syntrophy with Methanobacterium thermoautotrophicum delta H were studied. The methanogenic sludge was cultivated in an upflow anaerobic sludge bed (UASB) reactor fed with propionate (35 mM) as the sole substrate for a per...
Anaerobic treatment of municipal wastewater offers the prospect of a new paradigm by reducing aeration costs and minimizing sludge production. It has been successfully applied in warm climates, but does not always achieve the desired outcomes in temperate climates at the biochemical oxygen demand (BOD) values of municipal crude wastewater. Recently the concept of 'fortification' has been propos...
Work was focused on possibilities of biogas production from a crude glycerol. This material is by-product of biodiesel production. In the work results of crude glycerol treatment in the laboratory mixed reactor and in the laboratory UASB reactors are described. Results from long-term co-digestion of maize silage and crude glycerol in full scale anaerobic reactor at biogas plant are also discuss...
Bioconversion Process of Barley Crop Residues into Biogas—Energetic-Environmental Potential in Spain
Barley fields reach 1.7 million hectares in Spain, of which 320,000 are used to produce malt, generating 450,000 tons crop residue from barley intended for malt production. One way treat this waste an environmentally sound, energy-sustainable and economically cost-effective manner is anaerobic digestion. The biogas generated can be as fuel a renewable source energy (providing solution the suppl...
This paper is a report of the performance of a new design of anaerobic bioreactor called the induced-blanket reactor or IBR. The IBR appears to treat high-solids organic matter (manure) effectively in a relatively short time without plugging. A 28 m (7500 gal), heated IBR has been in operation at the Caine Dairy, Utah State University’s dairy farm, since summer 2000. The bioreactor, an upflow-s...
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