CORROSIVE MEDIUM AND ABRASION RESISTANT COMPOSITION

• Main Authors: KESERU MARTA, VOLCOVINSCHI GHEORGHE, PUIU PAUL
• Format: Patent
• Language: English; Romanian
• Published: 30.08.1984
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; FERROUS OR NON-FERROUS ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF ALLOYS OR NON-FERROUS METALS

Compozitia rezistenta la abraziune si la mediul corosiv, conform inventiei, este destinata confectionarii vaselor de reactie, conductelor si pompelor utilizate la prelucrarea hidrometalurgica a concentratelor complexe si este constituita din rasina fenolformaldehidica, din maximum 25% acid benzensulfonic concentrat, din solutie reziduala acid sulfuric si din adaosuri de umplutura fin divizate, alese din deseuri de portelan sau grafit sub 3mm si din deseuri de azbest sau fibre poliesterice taiate în bucati de 5...20cm. în scopul obtinerii unei aparaturi anticorosive cu o durata de functionare prelungita, compozitia cuprinde 50...60% rasina formaldehidica, minimum 2% acid benzensulfonic, 1...2% solutie reziduala de acid sulfuric cu continut de circa 30% H2SO4 si 2...20% SiO2, provenite rapid din atacul acid al zgurilor silicoase din metalurgia cuprului si adaosuri de umplutura, formate din 12..20% deseuri de portelan sau grafit si din 20...30% deseuri de azbest sau de fibre poliesterice, raportate fiecare la continutul total al componentilor.