PURIFICATION APPARATUS AND PURIFICATION METHOD FOR NON-METAL SEMICONDUCTOR MATERIAL

A METHOD FOR PROCESSING BIOMASS DIGESTATE

Extraction of amino acids and phosphorus from biological materials

Extraction of amino acids and phosphorus from biological materials

Extraction of amino acids and phosphorus from biological materials

Apparatus for the extraction of phosphorus from wastewater

Process and plant for separating heavy metals from phosphoric starting material

Reduction-oxidation furnace for making phosphorus by thermal process

Method for preparing high-purity elemental phosphorus and method for preparing high-purity phosphoric acid

METHOD FOR THE PRODUCTION OF ULTRAPURE PHOSPHORUS BY ZONE MELTING IN A NON-FLAMMABLE ENVIRONMENT, AND THE APPARATUS USED IN SUCH METHOD

ELEMENTAL SOLVENTS