Phenolic compounds containing/neutral fractions extract and products derived therefrom from fractionated fast-pyrolysis oils

A process for fractionating organic and aqueous condensates made by fast-pyrolysis of biomass materials while using a carrier gas to move feed into a reactor to produce phenolic-containing/neutrals extract, wherein the neutral fractions have molecular weights of 100 to 800;

• said extract being suitable for a part of the phenol for manufacturing phenol-formaldehyde resins, said process comprising:
• admixing said condensates with an organic solvent having a solubility parameter of 8.4 to 9.1 (cal/cm.sup.3).sup.1/2 with polar components in the 1.9-3.0 range and hydrogen bonding components in the 2-4.8 range to extract phenolic-containing and neutral fractions from said condensates into a solvent phase;
• admixing said organic and aqueous condensates with basic materials selected from the group consisting of sodium hydroxide, sodium carbonate, sodium sesquicarbonate, potassium hydroxide, potassium carbonate, ammonium hydroxide, ammonium carbonate, lithium hydroxide, lithium carbonate, calcium hydroxide, calcium carbonate, magnesium hydroxide, magnesium carbonate, hydrates thereof, or mixtures thereof to neutralize acidic components of the condensates and to render said acidic components and polar compounds less soluble in organic phase;
• separating the organic solvent-soluble fraction having the phenolic-containing and neutral fractions from the aqueous fraction;
• and
• removing the organic solvent to produce said phenolic-containing and neutrals compositions in a form substantially free from said solvent.

A process for fractionating organic and aqueous condensates made by fast-pyrolysis of lignocellulosic materials while using a carrier gas to move feed into a reactor to produce a phenolic-containing/neutral composition suitable for manufacturing phenol-formaldehyde type resins, said process comprising:

• admixing said organic and aqueous condensates with materials that neutralize acidic components of the condensates and render said acidic components and other polar compounds less soluble in an organic phase;
• admixing said neutralized condensates with ethyl acetate to extract phenolic-containing and neutral fractions from the organic and aqueous phases into an ethyl acetate phase;
• separating ethyl-acetate-soluble fraction having phenolic-containing and neutral fractions from an aqueous fraction;
• and
• removing the ethyl acetate solvent from the organic phase to produce said phenolic-containing and neutrals compositions in a form substantially free from ethyl acetate.

A process for fractionating organic and aqueous condensates made by fast-pyrolysis of lignocellulosic materials while using steam as a carrier gas to move feed into and char out of a reactor to produce a phenolic-containing/neutral composition suitable for manufacturing phenol-formaldehyde type resins, said process comprising:

• admixing said organic and aqueous condensates with dry sodium carbonate to neutralize acidic components of the acidic components and other polar compounds less soluble in an organic phase;
• admixing said neutralized condensates with ethyl acetate in a weight ratio of ethyl acetate solvent to dry lignocellulosic feed of between 1 and 5 to extract phenolic-containing and neutral fractions from organic and aqueous phases into an ethyl acetate phase;
• separating an ethyl-acetate-soluble fraction having the phenolic-containing and neutral fractions from the aqueous fraction;
• and
• removing the ethyl acetate solvent to produce said phenolic-containing and neutrals compositions in a form substantially free from ethyl acetate.

A process for fractionating organic and aqueous condensates made by fast-pyrolysis of lignocellulosic materials while using steam as a carrier gas to move feed into and char out of a reactor to produce a phenolic-containing/neutral composition suitable for manufacturing phenol-formaldehyde type resins, said process comprising:

• admixing said organic and aqueous condensates with dry sodium bicarbonate to neutralize acidic components of the condensates to a pH of between 6.5 and 7.5 to render said acidic components and other polar compounds less soluble in the organic phase;
• admixing said neutralized condensates with ethyl acetate at a ratio of between 1 and 5 kg ethyl acetate per kg of dry feed to extract phenolic-containing and neutral fractions from the organic and aqueous phases into a ethyl acetate phase;
• separating an ethyl-acetate-soluble fraction having a phenolic-containing and neutral fractions from an aqueous fraction;
• and
• removing ethyl acetate solvent to produce said phenolic-containing and neutrals compositions in a form substantially free from ethyl acetate.