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Technology Transfer for Complete Sets of Soda Ash Production via the Combined Soda Process
  • 26-04-16 10:49
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Service Type：

T - Technology & Patents

Industry：

Basic chemical raw material manufacturingChlor-alkali and Salt Chemical IndustryChemical Engineering Technology Research and Development and Process Package

Country / Region：

PakistanSoutheast AsiaIndiaChina

Relevant Certifications Available：

Yes

Local Support Available：

Local team can be dispatched.

Quick response, professional, and efficient — recommended for priority contact.

≤7 daysInterest
Capability Description
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The combined soda ash process co-produces soda ash and ammonium chloride, featuring high utilization rates of raw salt and zero solid waste discharge, making it one of the mainstream soda manufacturing processes in China. Decades of engineering practice have been accumulated in this technical direction, completing the design of multiple combined soda projects with capacities ranging from 450,000 to 1.2 million tons per year, covering various types such as new construction, expansion, and relocation renovation. Related projects have repeatedly won national and provincial-level awards for excellent engineering design.

Core technical highlights include optimization of the carbonation system, improvement of mother liquor circulation efficiency, and enhancement of ammonium chloride drying and granulation processes. The transfer content covers the complete process technology package, basic design, operating procedures, and personnel training, suitable for enterprises with synthetic ammonia facilities or conditions for purchasing liquid ammonia.

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An industrialized application technology that has won the Second Prize of the Provincial Science and Technology Progress Award. This technology deeply couples underground salt mine extraction with soda ash production, achieving integrated above-ground and underground cyclic production of salt, alkali, and calcium. Waste liquid from soda ash manufacturing is injected into underground solution cavities for salt mining, while the extracted brine serves as raw material for soda ash production, forming a closed-loop cycle. This technical route fundamentally resolves the environmental bottleneck of waste liquid discharge in the ammonia-soda process while significantly improving the utilization rate of rock salt resources. It has been successfully implemented in large-scale domestic projects for the comprehensive utilization of rock salt resources. The related engineering design has received First Prizes for Excellent Engineering Design at both provincial and municipal levels. This technology is suitable for soda ash production enterprises possessing rock salt mineral resources.

T - Technology & Patents

Technology Transfer for Complete Sets of Soda Ash Production via the Combined Soda Process
"联碱法将纯碱与氯化铵联产，原盐利用率高、无废渣排放，是国内主流制碱工艺之一。在该技术方向上积累了数十年的工程实践经验，完成了从45万吨/年到120万吨/年不等的多个联碱工程项目设计，涵盖新建、扩建和搬迁改造等不同类型。相关项目多次获得国家级和省部级优秀工程设计奖项。

核心技术亮点包括碳化系统优化、母液循环效率提升、氯化铵干燥与造粒工艺改进等。转让内容涵盖全套工艺技术包、基础设计、操作规程及人员培训，适用于有合成氨配套或外购液氨条件的企业。"
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