Enhanced adsorptive removal of Safranine T from aqueous solutions by waste sea buckthorn branch powder modified with dopamine: Kinetics, equilibrium, and thermodynamics

Synthesis and adsorption properties of [Cu(L)2(H2O)]H2[Cu(L)2(P2Mo5O23)]·4H2O/Fe3O4 nanocomposites

“…Organic dyes such as methylene blue, gentian violet, safranine T and fuchsin basic are important organic dyes which are widely used as a colorant in textiles and food stuffs the dyes are harmful if swallowed by human beings and animals, causing irritation to the skin, eye and respiratory tract. [41][42][43] Their breakdown products in the water may be toxic, carcinogenic or mutagenic to life forms, and they have been shown to cause retching, stun, cyanosis, jaundice and tissue necrosis in human. Therefore, an effective and optimal strategy to degrade the dyes rapidly must be developed.…”

Preparation of a Stable Nanoscale Manganese Residue-Derived FeS@Starch-Derived Carbon Composite for the Adsorption of Safranine T

“…Large specific surface area and pore volume and appropriate pore size can provide high adsorption capacity. The molecular size of ST is 1.14 nm × 0.92 nm, indicating that microporous adsorbent was better suitable for the adsorption of ST, thus micropore volume could mainly affect the adsorption capacity of the adsorbent [1,23]. Due to the low density and porosity of pure carbon material, SC exhibited larger specific surface area and micropore volume and smaller pore size compared with other two samples.…”

“…Safranine T (ST), a typical kind of cationic azine dye, is one of the most commonly used organic dyes. ST is widely used as textile colorant for dyeing tannin, cotton, bast fibers, wool, silk, leather, and paper [23,24]. Therefore, ST was chosen to study the adsorption properties of MR–FeS@SC nanocomposite.…”

Adsorption of Nitrate by a Novel Polyacrylic Anion Exchange Resin from Water with Dissolved Organic Matters: Batch and Column Study

“…The isotherms of NO3 − -N adsorption by AEE-3 are displayed in Figure 6. The experimental data were fitted by both Langmuir and Freundlich equations which are represented as follows [25,26]: where Ce (mg/L) is the concentration at equilibrium state, Qe (mg/g) is the adsorption capacity at equilibrium state, Qm (mg/g) is the maximum adsorption capacity, KL is the Langmuir constant and KF and n are the Freundlich constants. The R 2 of the isothermal fit are presented in Table 3.…”

“…The isotherms of NO 3 − -N adsorption by AEE-3 are displayed in Figure 6. The experimental data were fitted by both Langmuir and Freundlich equations which are represented as follows [25,26]:…”