Abstract: The invention relates to a method for recycling polyesters or polyester mixtures from polyester-containing waste, in which the polyester or the polyester mixture is dissolved in a solvent and subsequently free-flowing particles are precipitated herefrom with a precipitant. The precipitant is thereby chosen such that subsequent separation of precipitant and solvent is made possible in a simple manner.

Abstract: The invention relates to a method for producing a vegetable protein ingredient for ice cream. According to said method, in a protein extraction step, part of the lupin protein contained in crushed lupin seeds is dissolved or at least dispersed in an aqueous phase, any fibres contained in the aqueous phase are separated and the lupin protein is separated from the aqueous phase in order to obtain the protein ingredient. The invention is characterised in that for the protein extraction step a pH value of 6?pH<7 is set for the aqueous phase. The invention also relates to a preferably pure vegetable ice cream containing the protein ingredient obtained from lupins. The ice cream has a texture in the mouth that is comparable to that of conventional ice cream and that in part surpasses the quality criteria of the latter in terms of sensitivity to cold and creamy texture.

Abstract: The invention relates to a method for recycling polyesters or polyester mixtures from polyester-containing waste, in which the polyester or the polyester mixture is dissolved in a solvent and subsequently free-flowing particles are precipitated herefrom with a precipitant. The precipitant is thereby chosen such that subsequent separation of precipitant and solvent is made possible in a simple manner.

Abstract: The invention relates to a method for reclaiming polyesters or polyester mixtures from polyester or waste containing polyester. The aim of the invention is to reclaim polyesters or polyester mixtures of good quality in a cost-effective manner. To achieve this aim, the polyester and/or waste containing polyester is heated in a bath of dicarboxylic acid dialkyl ester to temperatures in excess of 150° C. In this process, polyester is dissolved in the dicarboxylic acid dialkyl ester or a dicarboxylic acid dialkyl ester mixture and subsequently extracted from the solution by means of solid-liquid separation.

Abstract: The invention relates to vegetable protein preparations (isolates and concentrates) with improved sensory properties due to enzymatic treatment of the raw material with a lipase during the isolation process and the use of these protein preparations.

Abstract: The invention relates to a method for separating target polymers and their additives from a material containing polymers, as a result of which the recovery both of the target polymers and of the additives is made possible. Based on the principle of a selective precipitation, the target polymer is precipitated and subsequently separated from the additives present in solution and dissolved foreign polymers. The separation of the additives from the solution is effected in a further step.

Abstract: The invention relates to a method for separating target polymers and their additives from a material containing polymers, as a result of which the recovery both of the target polymers and of the additives is made possible. Based on the principle of a selective precipitation, the target polymer is precipitated and subsequently separated from the additives present in solution and dissolved foreign polymers. The separation of the additives from the solution is effected in a further step.