A new concept for marine environmental sustainability through recovery of magnesium carbonate from traditional salt production wastewater

Mirna Apriani, Wahyono Hadi, A. Masduqi
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Abstract

Environmental sustainability influenced social and economy sustainability. Without sustainably productive environment to provide resource foundation, it would difficult having sustainable society. Sustainable economy depends on sustainable raw material, energy and environmental resources. This work discussed about environmental sustainability in marine especially utilizing sea water as raw material for salt. This work started to investigate raw material characteristics and salt quality. The raw material characteristics represented high concentration for sodium, chloride, calcium and polluted by trace metal. According SEM-EDX result, salt contains lead and cooper. Salt farmer income is influenced by the salt quality, the higher its quality the bigger income received. Indirectly, economy in coastal was influenced by sea water quality. This is what encourages the research to achieve marine environmental sustainability in coastal area. The aims of this study are to review and categorize indicator for marine environmental sustainability into Driver-Pressure-States-Impacts-Response (DPSIR) and provide strategies suggestion for support environmental sustainability.  DPSIR indicators are utilizing sea water, wastewater discharge into sea, increasing of sea water ion concentration, mangrove growth disruption, regulation for salt wastewater disposal direct to the sea. Recovery magnesium from salt wastewater is potential strategy to protect marine environment and to support economy-social sustainability.
从传统制盐废水中回收碳酸镁是海洋环境可持续发展的新概念
环境可持续性影响社会和经济的可持续性。没有可持续的生产环境提供资源基础,就难以建立可持续的社会。可持续的经济依赖于可持续的原材料、能源和环境资源。本文讨论了海洋环境的可持续性,特别是利用海水作为盐的原料。这项工作开始研究原料特性和盐的品质。原料特点为钠、氯、钙浓度高,受微量金属污染。SEM-EDX结果显示,盐中含有铅和铜。盐农收入受盐质的影响,盐质越高,盐农收入越高。沿海地区的经济间接地受到海水质量的影响。这是促使研究在沿海地区实现海洋环境可持续性的原因。本研究的目的是将海洋环境可持续性指标分为驱动-压力-状态-影响-响应(DPSIR),并提出支持环境可持续性的策略建议。DPSIR指标为:海水利用、污水入海、海水离子浓度增加、红树林生长中断、盐废水直接入海处理规范。从盐废水中回收镁是保护海洋环境和支持经济社会可持续发展的潜在策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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