1 / 1

Corn residues (35% Glucose, 18% Xylose) 15 tons/day

Corn residues (35% Glucose, 18% Xylose) 15 tons/day. water. water. water. steam. Precipitated acid, toxics and charcoals. Waste. Adding CaOH 2 to pH 10 then adding H 3 PO 4 to pH 5 and 2.4% charcoal (  ) to remove toxics. charcoal recycle. steam. Step 1 Disk mills (dry) 1

viola
Download Presentation

Corn residues (35% Glucose, 18% Xylose) 15 tons/day

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Corn residues (35% Glucose, 18% Xylose) 15 tons/day water water water steam Precipitated acid, toxics and charcoals Waste Adding CaOH2 to pH 10 then adding H3PO4 to pH 5 and 2.4% charcoal () to remove toxics charcoal recycle steam Step 1 Disk mills (dry)1 T(C): 25 C pH: -- Processing time: 3 hrs Energy input: 4,000 MJ Removal toxics and acids Step 7 Toxics removal and charcoal recycle Solid-liquid separator2 Rotary drum filter T(C): --- C pH: 5.0 (same as step 3) Step 6 Neutralization and detoxification T(C): 100 and later 37 C pH: 5.0 Processing time: 1 hours Energy input: --- Size: 300 m3 water Ground Biomass Adding 10% (v/v) H2SO4 solution sugars (2.4 tons Xylose and 4.7 tons Glucose) Seed culture Genetic engineering yeast and Genetic engineering Zymomonas mobilis with addition of xylose utilizing pathway, Step 2 Acid Hydrolysis (1) T(C): 100 C pH: 2.0 Processing time: 3 hours Energy input: 200 MJ Size: 300 m3 Hydrolyzed hemicellulose: 2.4 tons Hydrolyzed cellulose: 4.7 tons + acids + toxics T(C): 100 C pH: 2.0 Acid recycle steam Step 3 Solid-liquid separator2 Rotary drum filter T(C): --- C pH: 2.0 Processing time: 1 hrs Energy input: --- Size: 30 m2 Step 8 Batch Fermentation2 Co-culture of Zymomonas and yeast T(C): 37 C pH: 5.0 Processing time: 1 days Size: 300 m3 Recycle dry cell as yeast extract Step 10 Distillation5 20 trays single column (0.5 x 2 m) T(C): 80 C Processing time: 1 hr Energy input: 50 MJ steam Cellulose (solid phase) steam Step 9 Solid-liquid separator2 Centrifuge T(C): --- C pH: --- (same as step 3) Adding 30% (v/v) H2SO4 solution dryer Step 4 Acid hydrolysis (2) T(C): 100 C, pH: 1.5 Processing time: 3 hours Energy input: 600 MJ Size: 300 m3 (80% ethanol) Step 11 PV Membrane6 T(C): 25C Processing time: 1 hr Energy input: --- 3.3 tons ethanol (6.8% v/v) water Steam, electricity (99.8% ethanol) Step 12 Burner Energy output: 230,000 MJ Step 5 Solid-liquid separator2 Rotary drum filter (same as step 3) 3.3 tons ethanol/day Yield = 0.22 tons ethanol/tons Biomass Lignin: 7.8 Tons

More Related