Boehmite na ƙarya

Pseudo-boehmite shine mafi kyawun abin da ya fara aiki yayin haɗa gamma alumina, saboda kawai ana buƙatar cire ruwa ta hanyar calcination a kusan 447 C. Kula da masu canzawa yayin haɗa pseudo-boehmite: supersaturation na mafita wani abu ne mai mahimmanci, haka kuma pH, zafin jiki, ƙazanta da yanayin reagents [3,4]. Tabbatar da tsarkin wannan kayan kuma waɗannan masu canzawa suna tantance yanayin, yanayin da tsarin sa na hazo. Saboda haka, yana da mahimmanci a bi abubuwan da ke faruwa yayin haɗawa, don hango yawan amfanin ƙasa da ingancin samfurin ƙarshe. A cikin wannan aikin, an haɓaka haɗa pseudo-boehmite ta hanyar hanyar hazo, ta amfani da maganin aluminum sulfate supersaturated na masana'antu da kuma ammonium hydroxide mai ƙarfi (28%) a matsayin masu amsawa; an inganta wannan hanyar da aka sani ta rage zafin amsawa a ƙasa da wurin tafasa na ammonia. An cimma ikon sarrafa zafin jiki na mai amsawa ta hanyar tattara bayanai da sarrafa yanayin dumama ta atomatik. An nuna cewa gudanar da yanayin atisothermal na mai amsawa yana tabbatar da ingancin ƙarshe na pseudo-boehmite da aka samar.