Looking for organic raw materials, wastes and by-products for biogas production

A Danish company is looking for bigger volumes of organic raw materials for biogas production - wastes, by-products or off-grades products with low water content:

• containing oil / fat
(by-products after fatty acids production; vegetable oils: hydrofuse, soapstock, deodistillate, technical phosphatide concentrate / liquid lecithin; fat emulsions, flotation sludge; substandard, off-grade, sour, bitter, spoiled, expired oil etc.)
• UСO (used cooking oil)
• technical fat
• crude / raw glycerin (fx with methanol, MONG; glycerin pitch)
• ethanol, alcohols (heads and tails, fusel oils; ester-fusel and head fraction concentrate, products of rectification)
• organic acids (citric, acetic, vinegar, lactic, formic, butyric, oily acids)
• protein
• sugar (molasses)
• starch
• glycols
• spoiled, substandard, damaged grain (raw, wet, moldy, after improper storage of contacts with mice, infection with moths, mites, fusarium, etc.)
• other wastes and by-products (non-standard, low-quality, expired; industrial; municipal; hazardous, etc.)

Volumes - min 50 tons/month or 100 t spot.