Cross-linked polymeric resins from anilines linked together with dithiocarbamate alkyl chains. A process for producing the cross-linked polymeric resins by Mannich-type polycondensation of anilines and diaminoalkanes linked together by an aldehyde and subsequent conversion of one or more amine functionalities to dithiocarbamate moieties. In addition, a method for removing heavy metals, such as Hg(II) from aqueous solution via contacting and treatment with the cross-linked polymeric resins.

A family of highly charged crystalline microporous metallophosphate molecular sieves designated PST-16 has been synthesized. These metallophosphates are represented by the empirical formula of:

R.sup.p+.sub.rA.sub.m.sup.+M.sub.xE.sub.yPO.sub.z

where A is an alkali metal such as potassium, R is an organoammonium cation such as ethyltrimethylammonium, M is a divalent metal such as zinc and E is a trivalent framework element such as aluminum or gallium. The PST-16 family of molecular sieves are stabilized by combinations of alkali and organoammonium cations, enabling unique metalloalumino(gallo)phosphate compositions and exhibit the CGS topology. The PST-17 family of molecular sieves has catalytic properties for carrying out various hydrocarbon conversion processes and separation properties for separating at least one component.

A metal-organic framework (MOF) and uses thereof are provided herein, including an MOF comprising a repeat unit of the formula [Zn.sub.2(H.sub.2O)L.0.5H.sub.2O].sub.n, wherein L is a ligand of the formula:

##STR00001##

The MOFs provided herein may be used in the separation of two or more gaseous molecules from each other. In some embodiments, the gaseous molecules are carbon dioxide and acetylene.

A method for detoxifying a patient's blood by removing bilirubin from the patient's blood includes obtaining a batch of blood from the patient; controlling a pH of the blood so as to maintain the pH at approximately pH 7.4; controlling a temperature of the blood so as to maintain the temperature at approximately 37° C.; providing date pit-derived activated carbon; soaking the date pit-derived activated carbon within the blood for approximately 10-16 hours; and returning the detoxified blood to the patient.

The invention relates to a new method of preparation of a polynuclear iron compound stabilized by carbohydrates and/or humic acid or forming a complex with carbohydrates and/or humic acid using a pressure-driven filtration process.

In an infusibilized polyphenylene ether fiber of the present disclosure, an absorbance height ratio (A/B) between an absorbance height A at a wave number of 1694 cm.sup.−1 derived from C═O stretching vibration and an absorbance height B at a wave number of 1600 cm.sup.−1 derived from skeleton vibration due to carbon-carbon stretching of a benzene ring is 0.25 or more, and an absorbance height ratio (C/B) between an absorbance height C at a wave number of 1661 cm.sup.−1 derived from C═O stretching vibration and an absorbance height B at a wave number of 1600 cm.sup.−1 derived from skeleton vibration due to carbon-carbon stretching of a benzene ring is 0.75 or less, as measured by infrared spectroscopy.

A SCM-33 molecular sieve has a schematic chemical composition as shown in the formula “SiO.sub.2.Math.1/x XO.sub.1.5.Math.m MO.sub.0.5”, wherein X is a framework trivalent element, the Si/X molar ratio x is ≥5, M is a framework equilibrium cation, and the M/Si molar ratio is 0 <m≤1. The molecular sieve is a novel molecular sieve with RTE topology and the molecular sieve requires short preparation time, involves a low synthesis cost and can be used as adsorbent or catalyst.

The present disclosure relates to a preparation method for a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. According to the preparation method of the present disclosure, a porous super absorbent polymer sheet can be prepared by a simplified process.

Sorbent polymeric material suitable for capturing formaldehyde, polymeric material resulting from the capture of formaldehyde by the sorbent polymeric material, and methods for capturing formaldehyde are provided. The sorbent polymeric material has multiple aromatic rings and can be formed by initially preparing a precursor polymeric material from a polymerizable composition that contains a free-radically polymerizable spirobisindane monomer. The precursor polymeric material is subsequently treated with a sulfonyl-containing compound to form groups of formula —SO.sub.2R.sup.5 where each R.sup.5 is independently —NH.sub.2 or —NR.sup.6-Q-NR.sup.6R.sup.7. Each R.sup.6 is hydrogen or an alkyl. Each R.sup.7 is hydrogen or —C(═NH)—NH.sub.2. Each Q is a single bond, alkylene, or a group of formula -(Q.sup.1-NR.sup.6).sub.x-Q.sup.2- where each Q.sup.1 is an alkylene, each Q.sup.2 is an alkylene, and x is in an integer in a range of 1 to 4.

Processes are disclosed for the preparation of granular sorbent, useful to recover lithium values from brine. The process comprises reacting a granular aluminum hydroxide with an aqueous solution containing lithium salt and alkali hydroxide, optionally in the presence of alkali chloride. The granular aluminum hydroxide can be a compressed aluminum hydroxide having an average particle size of at least 300 microns. The granular sorbent obtained by the method and its use to recover lithium values from brine are disclosed.