Spent bleaching earth; recycling and utilization techniques: A review
2023年5月1日 · Re-purification of SBE waste by reducing oil content by 15–20%, known as deoiled bleaching earth (DBE), has the potential as an alternative source of filler for the addition of NPK fertilizer production and its impact was tested on the growth and yield of maize. SBE-based NPK fertilizer gave the same effect on plant height, leaves number ...
Feasibility aspect in utilizing spent bleaching earth waste for ...
2022年1月1日 · Utilization of spent bleaching earth into fertilizer, organic matter must be added to reduce the C/N ratio which is then followed by composting. Based on previous study, the best results obtained are the NPK content in the product in the spent bleaching earth formulation with palm trunks and chicken litter with a ratio of 1: 1: 0.5.
Surface-active physicochemical characteristics of spent bleaching earth …
2017年5月1日 · Spent bleaching earth (SBE) is a promising soil amendment either in its original or composted form. It positively amends the physicochemical properties of degraded soil. It provides efficient water-nutrients controlled-released uptake, soil nutrient and fertilizer management and a balanced ecosystem promoting plant growth.
[PDF] FORMULATION AND OPTIMISATION OF SPENT BLEACHING EARTH …
2015年3月1日 · Spent bleaching earth (SBE) generated from the palm oil refinery is convertible into value-added products instead of being discarded as waste to landfills. An alternative approach is to develop SBE-based bio organic fertiliser through co-utilisation with other sources of biomass of contrasting nutrients properties.
(PDF) The Effect of Spent Bleaching Earth Filler-Based NPK ...
2019年12月11日 · Spent bleaching earth (SBE) is by-product of cooking oil processing industry of crude palm oil (CPO). Palm oil industry is growing every year, followed by population growth and consumption of...
Utilization of vegetable oil refinery activated carbon-bleaching earth ...
2020年3月1日 · Spent Activated Carbon-Bleaching Earth (SACBE) is an industrial waste generated from the physical refining process of vegetable oil. SACBE is commonly disposed or buried in dedicated landfills. SACBE has no significant utilization and causes environmental hazards upon disposal.
(PDF) Formulation and optimisation of spent bleaching earth …
2015年1月5日 · Spent bleaching earth (SBE) generated from the palm oil refinery is convertible into value-added products instead of being discarded as waste to landfills. An alternative approach is to develop...
Regeneration and Recycling of Spent Bleaching Earth
2019年2月14日 · Spent bleaching earth, a solid waste from the edible oil refining industry with unpleasant odor, usually consists of clay minerals and residual oil. The residual oil can be rapidly oxidized to the point of spontaneous autoignition due to the autocatalysis action of...
What to Do with Spent Bleaching Earth? A Review - Dijkstra
2020年4月15日 · Given the recent observation that slurrying spent bleaching earth with crude oil inhibits the deterioration of the residual oil in the earth, leads to the conclusion that, for an integrated oil mill-cum-refinery, the best way of spent bleaching earth disposal is the recycling of the earth to the solvent extractor, whereas stand-alone refineries ...
Enhancement of palm oil refinery waste – Spent bleaching earth …
2013年8月1日 · Spent bleaching earth (SBE) derived from the degumming and bleaching of crude palm oil (CPO) from physically refined palm oil is commonly disposed off at landfills at a high cost. Its disposal has so far led to environmental degradation but has not been addressed. This study demonstrates the innovative utilization of SBE as a bio organic ...