How to Make Your Penis Rock Hard in Seconds Without Drugs

If you get weak or soft erection, it’s time to examine your diet and lifestyle. Millions of men suffer with erectile difficulties due to improper diet and lack of exercise. Weight gain is a big issue these days and what is worse is that excess body weight and fat can reduce blood flow in your body, making it difficult for you to get a rock solid erection. Blood circulation is the single most important factor that affects rigidity of your Read More

Rock Phosphate Impurities And The Impact On Manufacturing Phosphoric Acid

Rock Impurities: All elements in rock phosphate except PO43- or Ca2+ are considered as impurities. Major impurities are MgO, Fe2O3, Al2O3, SiO2, Na2O, K2O, fluoride, chloride, Uranium, Cadmium, Insoluble, Sulfate, and Carbonate etc. Some of these impurities are soluble in phosphoric acid. Insoluble impurities do not have major impact on phosphoric acid manufacturing process as these are separated out with gypsum during filtration. All problems are created by the soluble impurities. Problems such as scaling, corrosion, production of sludge, increase Read More