醸造醪の濾過, 圧搾に関する研究 : 第4報圧搾過程における平均比抵抗の解析ならびに圧搾機構の解明

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In order to study the compression of compressive slurry (for example fermentation mashes), we reported in a previous paper the establishment of a new theory adapted from that of Ruth (see equation (1)). In our present study, we have partially corrected Eq.(1) based on the fact that, if we consider it from a theoretical stand point, it is more accurate to use liquid pressure than applied pressure. Thus we have established Eq. (10) and analyzed the process of compression using this equation.dυ/dθ=g_c・P・m/μ・α'_c・ω (1) dυ/dθ=g_c・P(m-ρ/ρ_s)/μ・α_c・ω (10)(1) The avarage specific compression resistance is a function of both θ and P, and it increases exponentially with θ as shown by Eq. (12) logα_c=n_1θ+n_2logP+n_s (12)(2) By analyzing α_c and m in Eq. (10), it became clear that the dehydration velocity decreased exponentially as shown by Eq. (16). In this equation, these coefficients are determined from experimental data.dυ/dθ=K_3P^<1-K_2>exp.(-K_1θ) (16)(3) If we integrate Eq. (16), Eq. (17) is obtained. This equation is accurate within a 3〜4% error range. (Fig. 5,8)υ=K_3/K_1・P^<1-K_2>{1-exp.(-K_1θ)}+β (17)(4) The analytical method used for the operational equation follows If Δυ/Δθ (mean velocity calculated from experimental data )υs θ is plotted as a semi-log graph, then we can obtain an almost linear relation indicated by Fig. 7. From Fig. 7 we can obtain the operational equation.
社団法人日本生物工学会の論文
1964-01-15

醸造醪の濾過, 圧搾に関する研究 : 第4報圧搾過程における平均比抵抗の解析ならびに圧搾機構の解明

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