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2020-11-8離子交換樹脂的各項介紹
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2020-11-7說說D001大孔強酸性陽離子交換樹脂的物理結構
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2020-11-6D301大孔弱堿性陰離子交換樹脂的交換容量介紹
螯合樹脂D409
D409螯合樹脂是在大孔隙苯乙烯—二乙烯交聯共聚球體上引進胺基磷酸基螯合基因的離子交換樹脂產品，簡稱D409螯合樹脂，D409螯合樹脂對二價金屬離子具有良好的交換吸附性能，對Ca2+,Mg2+等二價金屬離子的交換吸附遠大于對Na2+離子的交換吸附。因而，廣泛用于離子膜生產燒堿裝置中，精制二次食鹽水溶液。 D409螯合樹脂用于精制二次鹽水時，建議入塔鹽水的Sr2+ 含量小于0.5PPm,雖然，D409螯合樹脂的耐游離氯性能較好，為延長樹脂使用壽命，應盡量除去入塔鹽水中的游離氯。
D409螯合樹脂的主要用途：螯合樹脂具有胺基磷酸型螯合基因，能有效地除去二價金屬離子。目前，已廣泛用于氯堿工業中，細制二次鹽水。同時，還用于濕法冶金、重金屬工業廢水治理等環境保護行業。
D409螯合樹脂的主要物化性能:
樹脂母體： 大孔隙苯乙烯一二乙烯苯聚球體。
螯合功能基因： 胺基磷酸基【-NH—CH2—PO3Na2】
交換容量： （CU2+動態法）＞0.4mmol/ml-k-Na+
穩定性： 對酸堿、有機溶劑穩定
外觀： 淺黃色至灰褐色球狀顆粒。
濕視密度： 0.70～0.80g/ml
濕真比重（20℃）： 1.10～1.20
粒徑范圍： 0.30～1.2mm
?！ 剑?nbsp; 0.35～0.55mm
均勻系數： ＜1.7
含水量： 50～65%
PH值： 精制二次鹽水9.0±0.5，回收金屬隨金屬不同而異。
體積變化： 在水中：R-H/R-Na=0.75
D409 chelate resin in the macropores styrene - divinyl crosslinking copolymerization sphere on the introduction of the amine phosphate-based chelating gene ion exchange resin product, referred to as D409 chelate resin D409 chelate resin having good divalent metal ionexchange Adsorption on Ca2 +, Mg2 + and other divalent metal ion exchange adsorption is much larger than the Na2 + ion exchange adsorption. Thus, the ion-exchange membrane are widely used in the production of caustic soda apparatus, purified secondary aqueous saline solution. D409 chelating resin, it is recommended for refined secondary brine into the tower saline Sr2 + content of less than 0.5 ppm, D409 chelating resin free chlorine-resistant properties, in order to extend the life of the resin, should be removed from the brine into the tower the free chlorine.
D409 chelating resin main purposes:
Chelating resins having aminophosphonic gene, the divalent metal ions can be efficiently removed. At present, has been widely used in the chlor-alkali industry, purified secondary brine. The same time, but also for the hydrometallurgy, heavy metals and industrial wastewater treatment and environmental protection industries.
D409 chelating resin main physical and chemical properties:
The resin matrix: large pores twelve styrene divinylbenzene poly sphere.
Chelating functional genes: amino phosphoric acid group [-NH-CH2-PO3Na2]
Exchange capacity: the (Cu2 dynamic method)> 0.4mmol/ml-k-Na +
Stability: stable pH, organic solvents
Appearance: Pale yellow to gray-brown spherical particles.
Wet apparent density: 0.70 to 0.80g/ml
Wet true specific gravity (20 ° C): 1.10 to 1.20
Particle size range: 0.30 to 1.2mm
The valid particle size: 0.35 to 0.55mm
Uniformity coefficient: <1.7
Moisture content: 50 to 65%
PH: refined secondary brine 9.0 ± 0.5, recovery of metals varies with the metal.
Volume change: in water: R-H/R-Na = 0.75
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