Provided is a purifying material capable of highly efficiently removing contaminant components from wastewater. A water purifying material having a composition of 30 to 40% total iron, 1 to 5% titanium, 0.1 to 1% magnesium, and 0.1 to 0.8% silica (silicon), and a method for manufacturing the water purifying material including: adding caustic soda to a solution containing 200 to 100 mg/L of bivalent iron, 20 to 100 mg/L of titanium ions, 5 to 50 mg/L of magnesium, and 3 to 30 mg/L of silica under conditions of 30 to 50 C. and pH 6.8 to 7.2 to carry out neutralization and reaction; separating and collecting an obtained solid at 100 C. or less; and drying the collected solid.

Disclosed in the present invention are a magnetic aluminum-based adsorbent and a preparation method therefor. The preparation method comprises the following steps: mixing a carbon black slag powder, porous aluminum oxide and a polar solution, calcining same, then mixing the magnetic powder with a cross-linking agent, then injecting same into a forming mold for treatment and formation, then stripping same, and activating same, so as to obtain the magnetic aluminum-based adsorbent. The magnetic aluminum-based adsorbent prepared by the preparation method has a relatively high adsorption property and can adsorb low-concentration metal ions in wastewater generated by wet recovery of waste batteries well.

Carbide-derived carbons are provided that have high dynamic loading capacity for high vapor pressure gasses such as H.sub.2S, SO.sub.2, or NH.sub.3. The carbide-derived carbons can have a plurality of metal chloride or metallic nanoparticles entrapped therein. Carbide-derived carbons are provided by extracting a metal from a metal carbide by chlorination of the metal carbide to produce a porous carbon framework having residual metal chloride nanoparticles incorporated therein, and annealing the porous carbon framework with H.sub.2 to remove residual chloride by reducing the metal chloride nanoparticles to produce the metallic nanoparticles entrapped within the porous carbon framework. The metals can include Fe, Co, Mo, or a combination thereof. The carbide-derived carbons are provided with an ammonia dynamic loading capacity of 6.9 mmol g.sup.1 to 10 mmol g.sup.1 at a relative humidity of 0% RH to 75% RH.

A crystalline material contains oxygen, aluminum and phosphorus, and has powder X-ray diffraction peaks shown below. When the peak at 2=14.170.2 is used as the reference peak and the intensity of the reference peak is set to 100, for example, the relative intensity of the peak at 2=8.650.2 is 1 to 15. The relative intensity of the peak at 2=9.990.2 is 1 to 15. The relative intensity of the peak at 2=16.520.2 is 5 to 80. The relative intensity of the peak at 2=17.370.2 is 1 to 15. The relative intensity of the peak at 2=21.810.2 is 10 to 80.

Porous nanocomposite fibers are fabricated by electrospinning a solution including a polymer, a solvent, and a nanomaterial. The resulting fibers can be used in the form of a filter to remove a variety of organic and inorganic contaminants from an aqueous environment, and provide a macroscopic matrix to facilitate separation of the nanomaterial from the aqueous environment.

Embodiments of the present invention feature article of manufacture, methods of making and methods of using a paste of the reaction product of an organic amine and support particles, shaped as pellets, sheets, films, rings discs or other forms useful for scrubbing carbon dioxide from emissions and the atmosphere.

The invention relates to composite adsorbent materials, and in particular, to highly porous carbon-based composite materials for the adsorption and stabilization of inorganic substances. The composite adsorbent material comprises a porous carbon carrier matrix and an adsorbent species, wherein the adsorbent species is precipitated within the pores of the carrier matrix. The invention extends to various uses of such adsorbent materials, for example in water purification, recovery of metals from waste streams and remediation applications, and where the adsorbant material is amended into soil, waste etc. for the purpose of breaking pollutant-receptor linkages.

A four-axial-fins fixed bed reactor for use with calcium aluminate carbonates CO.sub.2 sorbents is provided. The four-axial-fins fixed bed reactor includes a tubular reactor and a four-axial-fins tube. The tubular reactor has a tubular reactor inner wall. The four-axial-fins tube is disposed in the tubular reactor, wherein the four-axial-fins tube includes a tube and four axial fins. The tube has a tube outer wall. An annular space is formed between the tube and the tubular reactor. The four axial fins extend along the radial direction of the tubular reactor from the tube outer wall to connect the tubular reactor inner wall, wherein the annular space is equally divided by the four axial fins.

A green-engineered mulch product and methods for making same are disclosed. The mulch product includes a coating of aluminum-based water treatment residuals which makes the product green. Furthermore, coating aluminum-based water treatment residuals on mulch eliminates the problem of the low hydraulic conductivity of aluminum-based water treatment presiduals and makes it feasible to utilize its pollutant removal potential without requiring any modification to existing best management practices or additional maintenance.

This invention relates to a new stationary phase carrying boron clusters. Target molecules can interact with this stationary phase depending on the cluster type and the substituents. The stationary phase is suitable for SPE and chromatographic separations.