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第700章 造纸契书(1 / 2)

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从读书人手中回收用过的纸张重新造纸一事,余时章隐约记得听人提过。

但为何......此法未曾实施呢?

余时章想了好一会儿,才想起一个问题:“书写过的废纸,上头墨迹不少,若用此纸再造,如何祛除油墨是个问题。”

他看向沈筝,好奇问道:“你可知道祛除油墨之法?”

沈筝轻轻一笑:“自是有办法,下官才敢向第五主簿提及此事。”

闻言,余时章和第五探微脑中同时生出一个想法——若废纸能重新利用造纸,那造纸成本又会低上一大笔,对普通百姓来说,纸张便更加唾手可得了!

“何法!”余时章好奇得连葡萄干都不嚼了,歪着脑袋催促沈筝:“快说来听听。”

瞧着他这急不可耐的模样,沈筝笑道:“在废纸浸泡水中,加上石灰粉或是草木灰,可分解淡化油墨,不过这个量也得算着来,少了没用,多了废纸也会被腐蚀。”

其中原理,其实就是利用碱性物质皂化油墨,从而达到纸墨分离的效果。

第五探微陷入沉思,余时章也想了一会儿,问道:“这便行了?”

见他有些倒信不信,从兜里掏出一页废纸,又朝院中水缸呶呶嘴:“实践出真知。”

余时章又不动了,嘴上说着:“本伯自是信你。”

第五探微抬起头来:“属下也信大人。大人,此法不论是对作坊,还是对百姓来说,皆有益处,还请大人相信属下,相信第五家造纸作坊。”

沈筝点点头,“其实不止是有益于作坊与百姓,还有自然。”

“自然?”二人一同看了过来。

“是自然。”沈筝抬手指向院中树木,微微叹气:“用竹子造纸还好,竹一天一个样儿。可上京在北,北方竹林不多,大多用树皮与稻草造纸。而树皮长成需要年限。待人们对纸张需求越来越大,大树不够砍,便会砍小树,若小树不够砍......”

沈筝问他们:“会不会砍树苗?”

第五探微刚想说树苗得留着长大,可转念一想,对自然来说......人类,向来无情。

沈筝又说:“不止造纸需要砍树,生火煮饭、群暖等生活行径都需要砍树。咱们人类......有时候真得收敛些许,需为自然想想。”

特别是冬日间,捡干柴确实无法满足百姓的取暖需求,只有砍树。之前沈筝便发现,这个冬日还没过去,下河村旁的树林便稀了些许。

现在的她还触碰不到煤矿,无法开源,故而只能节流。

且人与自然,本就该共处。

余时章沉默许久,才缓缓开口:“大周西北,植被稀缺,但冬日极寒。早年间,西北百姓会砍伐荒漠周边的树木用于生存、造纸,可正因如此,也酿出一则大祸.....”

不过顷刻,沈筝便反应过来他口中的“大祸”为何。

隔壁风沙席卷之时,若无植被阻挡,那直面风沙的便是弱小人类。

在自然面前,人类当真不够看。

三人同时沉默,片刻后沈筝才说:“对大自然,咱们得有畏惧之心,故而该省之时,就得省。”

她从怀中掏出写好的石膏造纸法,递给第五探微后,便提步前往书房。

亭中,第五探微与余时章一同看着这法子,书房内,沈筝提笔,开始书写回收造纸法。

好在不难。

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