Show method for concentrating A cheap and rapid method tor for concentrating cent rating the enormous quantities of 0 blood collecting in abattoirs abatto irs lias has been invented recently the blood Is gnjec ed into an oven shaped chamber open at a the top and brought into contact with a current of 0 hot air ascending from rom below all the water Is evaporated in this manner and the blood powder Is carried to the receiving chamber the product thus obtained Is tasteless tae teless and cout contains almi 78 79 4 I 1 per cent ot of digestible albumen |