农药主要包括:
农药由活性成分和农药助剂构成。活性成分可以杀死害虫,而农药助剂则有便于喷洒和覆盖目标农作物的作用。
活性成分最早是从天然物质蒸馏得来,现在通常采用从石油合成的方式获取。除此之外,农药中还包含氯、硫磺、磷、氮和溴等其他成分。
农药助剂可以是多种物质,包括水、煤油和乳化剂(如果杀虫剂是液体)。粉末杀虫剂通常包含玉米穗轴等植物质、黏土或矿物粉。
在生产农药的过程中,会产生大量的排放物需要处理。通常先去除粉尘和颗粒,然后应用物理和化学吸收工序。
这些副产品通常包含氨、磷酸盐或尿素等成分。为了去除这些成分,GEA 设计了气体洗涤系统,包括干气和湿气洗涤阶段。
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两相分离卧螺离心机,其中澄清和分离的油相通过重力在卧螺离心机的液相端排放,而重液相与固相一起在固相端排出。
The pump models in the GEA Varipump line are conceived for extreme application demands and are individually optimized for your task.
GEA Hilge 提供种类繁多的离心泵和容积泵,适用于饮料、食品和制药行业的各种敏感应用。
Tailor-made processes for dedicated applications. With GEA’s long lasting experience and wide portfolio, all requirements for processes can be met. With our customers we develop applications to meet the stringent standards.
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