CAJ | 학술논문

目前,木糖生产中精制玉米芯水解液的浓缩占据了成本的很大份额。每生产1 t木糖仅浓缩工序就消耗蒸汽14 t左右,单位产品的能耗比较高。在国家大力倡导节能减排的政策下,许多高耗能行业的发展都受到了遏制,因此降低木糖生产的能耗成为拯救行业的必然之路。本文对比了RO sep和RO 98pHt两款物料反渗透膜在精制玉米芯水解液浓缩中的试验情况。RO 98pHt更适合精制玉米芯水解液的浓缩,可将Brix为4%左右的精制玉米芯水解液浓缩至15%,木糖的收率在99.99%以上。除去1 t水,利用传统多效蒸发器约需46元,而使用物料反渗透膜浓缩技术还不足15元,比传统的多效蒸发器节省约31元。利用膜浓缩技术,仅福田一家企业每年就可节约标煤达5.6万t。无论从经济效益还是从节能环保上来讲都具有非常重要的意义。
목전,목당생산중정제옥미심수해액적농축점거료성본적흔대빈액。매생산1 t목당부농축공서취소모증기14 t좌우,단위산품적능모비교고。재국가대력창도절능감배적정책하,허다고모능행업적발전도수도료알제,인차강저목당생산적능모성위증구행업적필연지로。본문대비료RO sep화RO 98pHt량관물료반삼투막재정제옥미심수해액농축중적시험정황。RO 98pHt경괄합정제옥미심수해액적농축,가장Brix위4%좌우적정제옥미심수해액농축지15%,목당적수솔재99.99%이상。제거1 t수,이용전통다효증발기약수46원,이사용물료반삼투막농축기술환불족15원,비전통적다효증발기절성약31원。이용막농축기술,부복전일가기업매년취가절약표매체5.6만t。무론종경제효익환시종절능배보상래강도구유비상중요적의의。
Now,the concentration of pure corncob hydrolysate cost a lot in the production of xylose.Only concentration process uses up 14 tons of steam when 1 ton xylose is produced.The energy consumption is too high for unit product.Under the government＇s policy of Energy saving and Emission reduction,many heavy energy-consuming enterprises＇s development are contained.So,it is the inexorable road for xylose companies to reduce energy consumption.Tests of pure corncob hydrolysate concentration with RO sep and RO 98pHt membranes are compared in this paper.RO 98pHt is better for pure corncob hydrolysate concentration.It can be concentrated from the Brix 4% to 15%,the recovery of xylose is more than 99.99%.Removing 1 ton water,it costs 46 yuan uesd multi-effect evaporator,but less than 15 yuan when membrane concentration technology is uesd.It saves 31 yuan than muti-effect evaporators.When membrane concentration is used,just Futaste can save 56,000 tons of coal one year.On economic benefit and energy conservation and environmental protection,it has great significance.