Molasses powder, starch and dairy wastewater anaerobic

Molasses powder, starch and dairy wastewater anaerobic fermentation of biological hydrogen production, using a continuous flow anaerobic fermentation of molasses wastewater was studied, starch waste water and milk wastewater biological hydrogen production, hydrogen production by anaerobic fermentation is discussed in three categories of organic substances feasibility, and hydrogen production stability of several substrates discussed results showed that starch  molasses powder wastewater and wastewater anaerobic fermentation are good biological hydrogen production substrate, organic matter in the three categories of carbohydrates is under the most current technical conditions the possibility of raw materials in carbohydrates, good solubility of poorly soluble starch than sugar in the current technical conditions with biological hydrogen production feasibility, and the starch is more than the solubility of hydrogen production prospects sugar Eco-bit range of different substrates anaerobic biological hydrogen production is different molasses powder.

For the good solubility of sugar, stable operation of engineering control parameters for pH 4 5 ± 0 3, while the poor solubility of starch wastewater for pH 4 0 ± 0 2; anaerobic fermentation hydrogen production O, for a long time, research and development of molasses powder bio-hydrogen production focused on photosynthetic hydrogen production process [1], the anaerobic fermentation of biological hydrogen production technology has been ignored, however, by anaerobic organic wastewater from fermentation to produce hydrogen for its unique advantages are being more and more accepted by scientists, and conducted a lot of research work in this area [2]. study shows [3], the use of disgust oxygen from the organic fermentation process, algae biofuels obvious molasses powder advantages ['* 2]: Is it in the water, sewage and saline-alkali soil in growth, not to compete with farmland and fresh water; two are producing a few remarkable potential production, reproduction rate 40 times faster than higher plants, and much needed nutrients, mainly sunlight, water and COZ, easy to cultivate.

Third, compared with higher plants, algae growth and efficiency of oil production is oil crops such as soybeans 30 a 100 times, The results showed that the indicators are more obvious decline, the two most important indicators of COD and NH_3-N were reduced by 85% and 55%, Mathematical model of reverse molasses powder osmosis treatment, which shows that the use of biogas cultivation of microalgae can effectively remove waste water pollution composition, and can be obtained with commercial value algae cells.

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Different points of molasses powder absorption rate

Test methods with the former, that is, different carrier test, different points of molasses powder absorption rate is the number of samples of various carriers in strict accordance with Table 4, the final total weight of the sugar powder sample was 200g. By visual sugar powder and filter paper on the state of adsorption of molasses, with the scoring method to evaluate, weigh 100g sugar powder sample into 200ml beaker, even shock. Using a rheometer (Seiko Corporation RT2002D.D type), 1.5cm diameter cylindrical indenter molasses powder, the beaker on the stage rheometer, a stage to 6cm / min rate of rise, head pressure 200g, paper records with coordinates powder sugar yield stress. The test was repeated twice and averaged. Then the yield stress value as shown in Table 5, the score is converted into the yield stress.

Through experimental studies, we draw the following conclusions: (1) According to the maximum adsorption test purposes molasses, sugar powder formula to find the best combination: A3, B1, C3 and D (10%) that is 50% molasses powder, soybean meal 5 %, corn cob powder 35% to 10%, and wheat bran. The formulations used in the tests producing sugar powder, remains relatively loose solid particulate, free-fall on the plane can be formed into a conical shape stacked, will not affect the production of the feed. The test results in Table 6 and Table 4 of the evaluation score obtained poor results of the analysis of orthogonal table, Table 7. Table 7 shows that three factors selected in this experiment poor order of  molasses powder: RA = RC> RB. According to very poor representative of the factors that change the size of the impact on the index value (evaluation score), you can analyze the factors A (molasses) and factor C (corn cob powder) on the same evaluation score big. Factor B (soybean meal) impact evaluation score of the second.

In other words, how much molasses powder and corn cob powder content is the main factor affecting sugar powder state. Compare the level of various factors, according to the requirements of this test that the evaluation score better. From Table 6, the highest score to make evaluation of the level of a combination of factors should be A1, B1, C1, and D (40%). Brown molasses powder is a powder-like fineness. However, the adsorption capacity of this composition is 30% molasses, and a gap between the requirements of this test.

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