Search Results for: Chemically pure maple sugar
the coalite and chemicals products ltd, uk, are processing the tar from ltc into valuable chemicals (pure phenols, chlorinated phenols) and chemical intermediates for plasticizers, pharmaceuticals and adhesives. a phenol-free middle oil fraction was processed into diesel oil till . the pyrolysis of tars
differences in the kinds of plant materials (type), in degree of metamorphosis (rank), and range in impurity (grade) are characteristic of the varieties of coal. in lump form, coal appears to be black or brownish black. the luster, fracture, and texture vary according to type, rank, and grade. chemically...
https://niir.org/books/book/handbook-on-coal-lignin-wood-rosin-processing/isbn-9789381039748/zb,,18ba5,a,0,0,a/index.html
architecture, increase in construction of buildings, highways, parks, public squares, water-works, communications in general (railroad lines, streetcars, bus lines, postal service, telegraph, telephone and radio, etc.,) all stimulated trade and commerce, harbors, factories and put cuba well ahead. sugar
, tobacco, cattle, alcohol and derivatives, chemical products, vegetable oil, textile industries, shoe factories — all were great sources of cuban wealth. it is true that for some years sugar mills were the main attraction of investors both foreign and native and the sugar industry remained the backbone...
http://havana.biz/Pre-Castro-Cuba-Business.html