以稻壳灰为基础的复合二硅酸钠--三聚磷酸钠和沸石 4A 的替代洗涤剂添加剂

IF 3.2 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Journal of the Indian Chemical Society Pub Date : 2024-10-23 DOI:10.1016/j.jics.2024.101444
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引用次数: 0

摘要

增洁剂是任何洗涤粉的重要组成部分,因为它能软化阻碍表面活性剂清洁作用的硬水。如今,三聚磷酸钠和沸石 4A 被广泛用作洗涤剂配方中的洗涤剂添加剂。虽然 STPP 去除水中硬度的能力较强,但会对环境造成有害影响,如富营养化,因此各国已禁止将其用于洗涤剂。沸石 4A 目前在洗涤剂行业处于领先地位,具有适度的硬度去除能力,但它也有一些缺点,如 pH 值高、不溶解、洗涤水中固体残留量高,而且需要添加剂才能在洗涤剂配方中激活。在本研究论文中,使用以稻壳灰为基础的硅酸钠生产出了更好的替代洗涤剂添加剂,即复方二元酸钠(CSDS)。此外,还使用 SEM、XRD 和 TGA-DSC 对 CSDS 进行了分析,以解释其物理化学特性。对钙交换容量进行评估后发现,CSDS 的钙交换容量为 420 毫克当量 CaCO3/克。CaCO3/克,高于 STPP 和沸石 4A。在这项研究中,根据 IS 4955:2020 标准,将 CSDS 作为洗涤剂添加剂制成的洗涤剂配方与 STPP 和沸石 4A 进行了比较,以评估洗涤剂的性能。
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Rice husk ash based complex sodium di silicate – An alternative detergent builder for sodium tripolyphosphate and Zeolite 4A
Detergent builder is an essential part of any detergent powder, as it softens the hard water which hinders the cleaning action of surfactants. Nowadays, sodium tripolyphosphate and Zeolite 4A are used as detergent builders extensively in detergent formulation. Though STPP has higher capacities to remove hardness from the water but has a detrimental impact on the environment like eutrophication and hence it has been banned for detergent application in various countries. Zeolite 4A is currently leading the detergent industry with moderate hardness removal, but it has certain disadvantages like high pH, insolubility, high solid residue in the wash water and needs additives for its activation in the detergent formulation. In this research paper, the better alternative detergent builder known as Complex sodium dislicate (CSDS) is produced using rice husk ash-based sodium silicate. Further CSDS is analyzed using SEM, XRD, and TGA-DSC to explain its physicochemical properties. The calcium exchange capacity evaluation is carried out and is found to be 420 mg eq. CaCO3/gram of CSDS which is higher than STPP and Zeolite 4A. In this study, detergent formulations made with CSDS as a detergent builder were compared with those of STPP and Zeolite 4A to evaluate detergent performances according to the IS 4955:2020 standard.
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来源期刊
CiteScore
3.50
自引率
7.70%
发文量
492
审稿时长
3-8 weeks
期刊介绍: The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.
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