Results 21 to 30 of about 35,219 (254)
Obtaining a bioadsorbent from orange peel suitable for batch and continous treatment [PDF]
, 2020 One form of chemical contamination involves the contribution of heavy metals to the ecosystem mainly from industrial spills and mining operations. The most toxic heavy metals are cadmium, copper, chromium, mercury, nickel, lead and zinc.
García Raurich, Josep +2 more
core +3 more sources
A Saponification Method for Chlorophyll Removal from Microalgae Biomass as Oil Feedstock
Marine Drugs, 2016 Microalgae oil is an optimal feedstock for nutraceutical, pharmaceutical and biodiesel production, but its high levels of chlorophyll limit its large-scale application.
Tao Li +7 more
doaj +1 more source
Comparative Reactivity of Different Polyols in the PET Saponification Process
AppliedChem, 2023 This work is concerned with polyethylene terephthalate (PET) saponification by different potassium compounds in various polyols as well as biodiesel’s main by-product, crude glycerol.
Valentin N. Sapunov +8 more
doaj +1 more source
Studies on Bile Pigments II. Seperation of Natural Direct Bilirubins [PDF]
, 1956 Separation of both forms of the direct bilirubin were carried out from the dog's gallbladder bile, and further isolations of them were also done. 1. The natural salt-form bilirubin was isolated after separation on the column of aluminium oxide with a n ...
Sakamoto, Takeshi
core +1 more source
Biodiesel production from jatropha seeds: Solvent extraction and in situ transesterification in a single step [PDF]
, 2013 The objective of this study was to investigate solvent extraction and in situ transesterification in a single step to allow direct production of biodiesel from jatropha seeds.
Achten +54 more
core +3 more sources
Synthesis, metal complexation and biological evaluation of a novel semi-rigid bifunctional chelating agent for 99mTc labelling [PDF]
, 2006 A novel bifunctional chelating agent bearing an aromatic ring has been synthesised and characterised. This ligand formed well-defined oxorhenium complexes.
Benoist, Eric +4 more
core +1 more source
Grasas y Aceites, 2002 In this research work, it was optimized the reaction conditions for the chemistry esterification of unsaponifiable matter in soybean oil deodorizer distillate. The process involves (i) alkaline hydrolysis of saponifiable matter; (ii) acidulation of soaps
Nara Lúcia Facioli +1 more
doaj +1 more source
Composites made from lignocellulosics and thermoset polymers [PDF]
, 2006 Composites made from a stryrene/unsaturated polyester thermoset matrix and woodflours from different wood species have been prepared and tested. Pine (Pino Eliottis), eucaliptus (Eucaliptus Saligna) and marmelero (Ruprechia Laxiflora), a softwood and ...
Aranguren, Mirta Ines +2 more
core +1 more source
Water Science and Technology, 2023 Viruses or phages were considered affecting microbial community composition, metabolic process, and biogeochemical cycles. However, phage communities and their potential associations with microbial community are not well understood in the activated ...
Xiangyu Fan +3 more
doaj +1 more source
Community training in dishwashing-liquid soap making from waste cooking oil
Riau Journal of Empowerment, 2018 Cooking oil that has been used more than once is not good for health due to exposure to carcinogens. Waste cooking oil causes pollution to the environment. Waste cooking oil can be used as a raw material for making liquid soap.
Evelyn Evelyn +3 more
doaj +1 more source