Nusantara Science and Technology Proceedings
1st International Conference Eco-Innovation in Science, Engineering, and Technology

Study of Making Potassium Posphate from Seaweed Industrial Wastewater

Pujiastuti, Caecilia (Unknown)
Sumada, Ketut (Unknown)
Ngatilah, Yustina (Unknown)
Widya P, Vika (Unknown)
Arief S, Purwanto (Unknown)

Article Info

Publish Date
03 Nov 2020

Abstract

Seaweed industrial wastewater which contains 17.9% potassium can be used as a raw material for making multi-nutrient fertilizers. 1 liter of wastewater is reacted with 1 N phosphoric acid with a certain volume (15, 20, 25, 30, 35 ml) and 30 ml of aluminum sulfate (17,18,19,20,21%) stirred at a speed of 35 rpm for 25 minutes. The precipitate formed is dried. The results showed that the greater the volume of acid and the concentration of aluminum sulfate added with fertilizer obtained and the K, P, and S ion content was getting smaller. Fertilizer produced with the highest content of K ions (9.3%), P ions (9.7%), and S (9.295%) was obtained in the addition of 17% Aluminum Sulfate coagulant and 15 ml volume of H3PO4 (1N), and fertilizers produced weighing 4.0128 grams.

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Journal Info
Nusantara Science and Technology Proceedings
Website

Abbrev

nuscientech

Publisher

Future Science

Subject

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology

Description

NST Proceeding supports regional research communities to globalise their findings in Science and Technology by providing an open access, online platform in line with international publishing standards and indexing scholarly conference proceedings. The current emphasis of the NST Proceeding includes ...