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The effect of sulphate at an influent chemical oxygen demand (COD):sulphate ratio of 4 on the operational performance of anaerobic hybrid reactors treating molasses wastewater was investigated under mesophilic and thermophilic conditions in a long-term laboratory-scale study over a 1,081 day period. The presence of sulphate reduced the COD removal efficiency under both mesophilic and thermophilic conditions. At 55 degrees C, effluent acetate levels were consistently greater than 4000 mg l(-1) indicating that thermophilic acetate-utilising methane-producing bacteria (MPB) or sulphate-reducing bacteria (SRB) had not developed in the reactor under the conditions applied. At 37 degrees C, acetate was exclusively utilised by acetoclastic methanogens, whereas H2-utilising SRB predominated over H2-utilising MPB in the competition for hydrogen. By contrast, hydrogenotrophic MPB were shown to outcompete H2-utilising SRB during long-term thermophilic operation. 16SrDNA analysis of the seed sludge and reactor biomass on conclusion of the 37 degrees C and 55 degrees C trials illustrated that the dominant methanogen present on conclusion of the thermophilic trial in the absence of influent sulphate was related to Methanocorpusculum parvuum, and was capable of growth on both acetate and hydrogen. By contrast, an organism closely related to Methanobacterium thermoautotrophicum was the dominant methanogen present in the sulphate-fed reactor on completion of the thermophilic trial

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Indian Standard For Stone Crusher Sand Making . Stone Crusher in India manufacturers in India India sell Stone Typical Sizes of Buy quality for sale from quarry manufacturer floors Dongben sand and stone lies in Chongwu village called town of stone The fastest growing product of stone suppliers thin stone is making real stone available to a

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Therefore, beneficiation is an intermediate stage between the natural state of the ore and the pure commercial product. However, there are three forms of mineral beneficiation. Which are: Converting the ore into concentrate, such as copper from 0.5% to 30%, lead from 2.5% to 50%, tungsten from 0.1-0.2% to 45-65%, molybdenum from 0.1-0.07% to 46

AKG BioFuelTech is a professional Wood Pellet Presses Manufacturer in China we provide kinds of high quality Pellet Presses which can make pellet from corn stalk wood branch saw dust rice husk wheat bran and so on If you are interested in our pellet press Get price

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The effect of sulphate at an influent chemical oxygen demand (COD):sulphate ratio of 4 on the operational performance of anaerobic hybrid reactors treating molasses wastewater was investigated under mesophilic and thermophilic conditions in a long-term laboratory-scale study over a 1,081 day period. The presence of sulphate reduced the COD removal efficiency under both mesophilic and thermophilic conditions. At 55 degrees C, effluent acetate levels were consistently greater than 4000 mg l(-1) indicating that thermophilic acetate-utilising methane-producing bacteria (MPB) or sulphate-reducing bacteria (SRB) had not developed in the reactor under the conditions applied. At 37 degrees C, acetate was exclusively utilised by acetoclastic methanogens, whereas H2-utilising SRB predominated over H2-utilising MPB in the competition for hydrogen. By contrast, hydrogenotrophic MPB were shown to outcompete H2-utilising SRB during long-term thermophilic operation. 16SrDNA analysis of the seed sludge and reactor biomass on conclusion of the 37 degrees C and 55 degrees C trials illustrated that the dominant methanogen present on conclusion of the thermophilic trial in the absence of influent sulphate was related to Methanocorpusculum parvuum, and was capable of growth on both acetate and hydrogen. By contrast, an organism closely related to Methanobacterium thermoautotrophicum was the dominant methanogen present in the sulphate-fed reactor on completion of the thermophilic trial

Indian Standard For Stone Crusher Sand Making . Stone Crusher in India manufacturers in India India sell Stone Typical Sizes of Buy quality for sale from quarry manufacturer floors Dongben sand and stone lies in Chongwu village called town of stone The fastest growing product of stone suppliers thin stone is making real stone available to a

rubber liner ball mill bell/liner plate,grid plate,mill door liner - buy liners for ball mill,rubber board,alloy board product on

*All of our products are made with care and covered for 1 year warranty*Installation and Operator Training FREE Our Jaw Crushers generally crushes 60 tons

rubber liner ball mill bell/liner plate,grid plate,mill door liner - buy liners for ball mill,rubber board,alloy board product on

Mini Ball Mill Description of Mini Ball Mill. Xinguang mini ball mill is a small powder and superfine powder milling equipment employed to grind minerals such as calcite, cretaceous, caoline, limestone, bentonite, talcum, mica, magnesite, illite, pyrophyllite, vermiculite, sepiolite, attapulgite clay, rectorite, diatomite, barite and so on

As the name suggest, jaw crushers reduce rock and other materials between a fixed and a moving jaw. The moving jaw is mounted on a pitman that has a reciprocating motion, and the fixed jaw stays put. When the material runs between the two jaws, the jaws compress larger boulders into smaller pieces

*All of our products are made with care and covered for 1 year warranty*Installation and Operator Training FREE Our Jaw Crushers generally crushes 60 tons

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