evaporation of great salt lakes in Wyoming. Trona also comes from Kenya, Egypt, Venezuela and the deserts of Central Asia. After it’s mined, it’s heated to make soda ash, which is then dissolved in water. When carbon dioxidebubbles under pressurethrough the solution, sodium bicarbonate is...
Soils require the application of biochar to improve degradation. The objective of this study was to evaluate the long-term effects of a field experiment on soil organic matter (SOM), soil organic carbon (SOC), and soil moisture content in Karagwe, Tanzania. Seven years ago, a field experimen...
An improved process in the production of sugar is provided by adding to a sugar solution prior to crystallization calcium acid phosphate, followed by the addition of soda ash. Optionally, in a third step sodium hydrosulfite is added. The resulting sugar is of a high grade, being light colored...
Comminuting solid wastes, adding fly ash or baking soda, heating, adding polyurethane, compressing, extrudingdoi:US5925296 AThe method and apparatus for forming a structural member from solid waste which consists of comminuting or shredding solid waste into particles one inch or smaller, adding ...
domestic waste, consists of mixing the ash with soda lime (NaOH) and then adding it to hot water at over 80 deg.C to which a cpd. incorporating an -NO3 radical has been added. The ash, which might contain metals in a sol. form, can be first washed to remove any water sol. pro...