CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '91357ce54809406a',cH: 'aspvkF3yqNZT3S5xa9C9OkMpnnzKSxdqPf7P08P1QfQ-1739792272-1.2.1.1-RQVdRkQocyg.__LWV1fla66mzMsLFleUk06PAqMCIawNw6xYMw262MqkC19HUsDT',cUPMDTk: "\/abstracts\/search?q=phosphoric%20acid%20plant&__cf_chl_tk=h6KUbTABkadKtOdTthFD7vDUg0o9Nl.AFEBdKVsdno8-1739792272-1.0.1.1-FoOpyVBBQv2yBUWphBtQ7GMxGFloO.tBgvZzsTszIuw",cFPWv: 'g',cITimeS: '1739792272',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=phosphoric%20acid%20plant&__cf_chl_f_tk=h6KUbTABkadKtOdTthFD7vDUg0o9Nl.AFEBdKVsdno8-1739792272-1.0.1.1-FoOpyVBBQv2yBUWphBtQ7GMxGFloO.tBgvZzsTszIuw",md: "oKZt_O_cOlwulI83mdZAykxlVoxqV_9MKGYjXwakZms-1739792272-1.2.1.1-N3EswG3qt4wP0zNBKsxB.ab9FNjCK4eWGi1yThtfU3vkQQOist_Z_.B9SzaVzofMqMUTixITs7.5QeY9x0ttlDL24kwZO9rcVxhhiZGPEjausrlLClEBFbeZSdog0Bo1X9GxwvCyf495HMdYemGFuikyMoALx6Eq3oiEnOdKSjntqK1g2sZ1HNNQq32MHiLv6PSZO6kAQtegsWPoXeOQtM3pOHlsvjQ7ng9GFbpNhR.Uf1EoDjNdTjkDY8DS9jfbqorBfoOvfDfikZrMq3JuuxZPLCM8dZf9eggueM3KPgMz96kAd9PvVY8XR_uilyb0usKbBMF7AaLBDtX5A0XEPJLlURcAqZkLhKhvcpIQndP5hG4F82OWHPYGoFo_sZsV3yMmvqM7kr6OPl7CcPPsHL_7qxzS8G_.8s9LC2AYmIjERo_1TmwcpTQQs4cHHZ6hzMT0r97JCB2jE4kl4YEWx2vwU9yiaOVn7gKgnE_mxZ01ul4U5_FltH0Gm9_3NJmnxDMXv6MK51bfbzLaSPv9_Nr19qNht0qReEhozbD3xFvD0Y.EVgHjWV1O.eENYoDXDa4VTBCAlEYH62oeWWs6H3JbngFpjVeG8iJOjeURSFcvBaSqiAbLUVJ_lnJLaSB_CuhGz_gm1ughHG0FTLFobC1STY4xjMsWIZg91UkIlUgbtzwtmJK3XDowW2CQ6vD5aSTq9dWkNV2b1IDBwHlyJNfzZPDki8tUcUV2z1hGH0.NaLuqLyzuxBx3FhA9WRqftWcpzK94IZSQxYXIOTBaKugsq_YD8LEVu2EPYQjUZQp9ZZGFZfnEaL9cGy47i1rUW.TMzGWgsUx2Jg2OWuPXlOiUUiEPHiRh68NdgTehN6vtcCFxMnza_Cq4OFsIyvxswYL4P0Op7r08GCu3.RzekfHZ9NoUZUJiFiFtTGJDSpOJXsrymLQCT7GkK_2mZ6lHonCd_NXPYD0_tn8slIzocMpa4Uc_RJ.F4CnwReX63HvnY24.uVOon6z8iODWwEN_ruyuoLj7d83UzmbDaZYoKkojO2YDMh1rz2ZhA6sTuumXsfveAK79X0UyQ1cY8FSlKtNYhmgYX4tfMPXM_cvcZQAQEaWq2IzVe7SZyWemBdl7LZnGMjHee9VHhtVjsZpSrRL942tgYNmxtGq2GY0UmIjW72p3Qp0ojSL30t2SUNnWy94P9zCQ8ls0FEE2cUnAM2E02LKaY5A42dHfVNcOvYilLZsKF1_MhXNdFxGtz9R1sfC7B5xnhx61IFwJ7yAGWPNp.yQ3kyqQITycpAj7p0zp0U0gj5ODZ9KfulioyCw84_WZPIzb6WkA8ExqGf_6H5EvbqT.zImSNcN0jyPeL6BxILveuPtsErmVXUGQbMWdP46kU3CIUVVI1TH6dFurUhYCFKUVT3fGQVhHZI01.wQpmSzx2qDf6i6QAI4iUN7sB5bNxQotxd4QWGPnARHpKEZwbTSdnV4xFtVnCjYnuU1j3uJM75q5Kqa8zgWI0XitsOqM9S133T3BS26vJjt1DkL7AieNswWcIWuDP6MDlB7aP8I4yThxzuDGDXGbRqGADuyUp9zOmCwtpZ_DzYdtBHVyw2GMQuSDEWkwNmfVogsmTOaevw19FDzof_bbdpzK1pelY9.CUZHIjl7lyFQGloH6H1zeCFpHqUy_ORlFJBL.ZJVepF2xw.TzJY4zOBgQq19DeiTZbVEedcWreU1xzDLZkiqy_zEp4hWBiXxjCUHyNwiLIWzhq479lCv5b1jpY2OJWil0vRtALJEATEmEESut2ewODiAzIcGygqQ.4Jgy6lNv.dAb7dBKjL.Fb6b06k1hInX1yKtYr8ZMgJrh6fyQ2723ZBZIfXf0RuhsHUH3djYSzeiIQTgxGe03rQIFSFoNpC3gBeEO6rKrhfDBu.VIqPIjnDrtdami4ajIxbrM_VZLalnlO0iYle0VXzbU5.qHLzk0dBdjc8G893dD",mdrd: "E_uAldiF19s8ksOf0TkG435LkrZpSx4Jy6CzORq5tCU-1739792272-1.2.1.1-rwp.Lrh8ag4NsENU7xB5y.J9E9MQLTjkqULHwBEQaapy0vMPIyP7sR7n_s5ieyx5fQquwlB0B1bLjq7.aEyD78Xtp.F0CFckuhDFk7r7yu4tik8XWrubTz6opAQMiMN.UdIrh.KdDWbC6785eSPOZyE6tCnNZnsceQedrhbWcvq9gJYEGOm6YvoyTRfJh1VDIH1u4K8Em2C8rVHXMOH_.2V18sR.clzvNdC2W0DL.6A72FxHCi7RxyWOSaWO7rFLNHkA_WkGDI07FQb.CPru8SRPkt0TwO_myeRA.goHeKcBCWLr85f1ZBonHzSAgiBHY_KROUaavphAg5qw.Rp3Wzo90no0jLKBu0moFp0WfSvY.WnyfaE.w4PUYWBSe9keYpBTxdQAlFA4ol2WDestYJ5pvo8Nee4cHLIY2feMuJFwxsbijydJqUW..We5KjDSHxiKDq2DspXDftOAIdF3Zs5I9IxLmiY5Lg_dKcoaTil8FAHF1TDprcY0mFZDBVyyvPJFlDZFh7c0i6Txt0YbtCa.uqzKw15n4GJuSu8qe08z5kY9O0W8t_qxAX7tfmbXGDdpqUCCCWbOrm7SXHW2FN1ftLCU7zICoemV7mMfSVxToKmNt1mQecFWdAxMv4jARvUS9ir9tbaMO_EYZxIqRVzyERRk2fQg5fEop.87b4eeQZZJdFS7dZKaTfLBppDXQHkXyy4v0IL79ca_IO99c9xKXz8z6lp8it3tPbM56uM2251VtApv.409OI3JopgnfjG3f7U_BkltOBD14m3B2ui7ov5F6aJOwmzYREppV6jqzDHBebJzAewQuELUjPMrjOrPGtIYOWYVcDoBJWui.ddQKasIvsZlOGSQ9RoHwYoWXkjScClskCE3tZ.GELgVI63k6E4GDCel5MnBr6e9FE8wNbk92bjTlgGrh7fslR7KTpNf5BZfWSvVF6QUFZCfVYTngwtWN9sgdpsmUwL4LPsKOW_5al..ZcFOgeWHlmkz3RtOWCMSBdHsYOD0NJkWfFQwIDSmeFUUreZEnmSY.YpyP0fIeNI5S7.c6mJD1GFlQN1eeTDnP7E4l2b0GbFEOjev7Qyt_MPPfeSoN4Q0dDlbaufAw8ciRj_bS0OJWwELd6xUZYWqBvQ5VyMDm6kshaYvD..4Y5MtCX6X5B0SHkoV2ttKX9sOGECXmJHu3HqICRbwJmTCVeyBDg9BuXkEbgefh_lWgUPcUgptwBPwcRq34Ydn4T1w1ysrdTj43x3r0ds5Q5mNgucJdPgpHNOVaOh_mmL82qtOHuuc607Ukn9CRYV.IEzexnA2a5NueHWzX9jVjj692Uu6Hn4nyadZ67vh6YC.XsxxtiDAhPq0OpV8PPKSZ1Ew2nK1Y5KoyKLCUVK7Jwel0id6XSjGMWwrPAKZyG2jvPi01NMw1DneOsUZ4PdymZuAwWnylSxtF8ZpW1mSuV3p327WmLfFhit509YMbrNeCKu760ZjSJdBXsad5Fku5HQXFchFUWzPhFO7Wgt_pcPdACdp6RlXCWfRPDXbtf1ol2TkiO_UxeWKMOWTCCFzc7AfRoeeDXjsw8DnPgGZ_x6HdkmoVMQ6e5AKrBT0_DmE_UWkgBmcUVxgp5AAZIquKV4QS4pW5HVCklwuHYHHQBh1KDfb7hXgeT4YSa0pJ6WSXA2Ip8Y9rOwWJgRFWvNCXiurlyCvbnqSeclIi8SQCaYmhfkkO.MuzU6xASnmJofy9QwZQPkURKH7Of7IOuz3udFGW8q9j3jKP1uDSW7VeHQZjCEObARNGSkacE1zrkPb6QkFVgO5ZMUHrgFK866fM7Vx0lBzFHYBWQ6qEIK83ZltJaEE.8ujGu96Adki.YUV99RBXXlDeS63AM_h3tupLp9KfsJ6eMvtZmOGyYKVRVOr22vBCyEYnSikew2MMU_7gkM3zkDQKHJa9i4xGzJ4gLzqmDXbXlhQ2iowetQfxZnv5XGYjWlW9f8D"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91357ce54809406a';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=phosphoric%20acid%20plant&__cf_chl_rt_tk=h6KUbTABkadKtOdTthFD7vDUg0o9Nl.AFEBdKVsdno8-1739792272-1.0.1.1-FoOpyVBBQv2yBUWphBtQ7GMxGFloO.tBgvZzsTszIuw" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>