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Investigation of acidulation and coating of Saudi phosphate rocks. 1. Batch acidulation
Industrial & Engineering Chemistry Research, 1990On developpe un modele mathematique pour la simulation de l'acidulation de roches phosphatees en utilisant de l'acide sulfurique et des melanges acide sulfurique/acide phosphorique. Le modele est applique a l'etude de la cinetique de l'acidulation et de l'effet des parametres du procede sur le processus de diffusion et le phenomene de revetement, en ...
Said S. Elnashaie +3 more
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Investigation of Acidulation and Coating of Saudi Phosphate Rocks. 2. Continuous Acidulation
Industrial & Engineering Chemistry Research, 1995summary of the effect of mean ore particle size on De for the three processes is given in Table 4 for ease of comparison. More experimental work is needed to cover a wider range of operating conditions. More mathematical modeling work is also needed in conjunction with experimental results in order to de- velop more elaborate less empirical ...
Said S. E. H. Elnashaie +4 more
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ACIDULATION OF HOME CANNED TOMATOES
Journal of Food Science, 1978ABSTRACT The feasibility of acidifying home canned tomatoes was determined. Citric acid, lemon juice, or vinegar were added at three concentrations to tomatoes which were canned by the raw pack method. The pH of low acid products was lowered effectively by acidulation with lg citric acid monohydrate or 1 tbsp lemon juice per pint ...
G. M. SAPERS +4 more
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2003
The pH and organic acid content of foods are two significant factors that may determine not only the types of organisms that will survive during storage but also their activities as spoilage organisms. In general, growth of important food-spoilage and food-poisoning organisms occurs over the range pH 4–8, whereas spoilage yeasts and molds are able to ...
I. R. Booth, M. Stratford
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The pH and organic acid content of foods are two significant factors that may determine not only the types of organisms that will survive during storage but also their activities as spoilage organisms. In general, growth of important food-spoilage and food-poisoning organisms occurs over the range pH 4–8, whereas spoilage yeasts and molds are able to ...
I. R. Booth, M. Stratford
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Fertilizer Research, 1992
A modified method for producing a range of dicalcium phosphate containing phosphatic fertilizers and aqueous calcium nitrate is discussed. The process consists of reacting phosphate rock with nitric acid followed by pyrolysis of the resulting acidulate to produce dicalcium phosphate (CaHPO4) and to liberate approximately one-half of the initially ...
Jack M. Sullivan +2 more
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A modified method for producing a range of dicalcium phosphate containing phosphatic fertilizers and aqueous calcium nitrate is discussed. The process consists of reacting phosphate rock with nitric acid followed by pyrolysis of the resulting acidulate to produce dicalcium phosphate (CaHPO4) and to liberate approximately one-half of the initially ...
Jack M. Sullivan +2 more
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Continuous soapstock acidulation
Journal of the American Oil Chemists' Society, 1965AbstractA newly developed process is described for the continuous acidulation of soapstocks derived from alkali refining of vegetable oils. Results are presented for cottonseed, soybean, coconut and corn oil based soapstocks. The acidulation is accomplished by continuously reacting hot soapstock with H2SO4 and separating and countercurrently water ...
D. B. Todd, J. E. Morren
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In Situ Acidulation of Rock Phosphate
Communications in Soil Science and Plant Analysis, 2018This study was undertaken to study the impact of adding
Watson Matamwa +2 more
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