MAP��̎��Uˮ��Ӱ��ط��

��r�g��2010-12-24 15:33 ��Դ�� : ��x��9213

MAP��̎��Uˮ��ҪӰ��؞�: pHֵ,��(y��ng)�ض�,��(y��ng)�r�g��(y��ng)��ȵ�,��Ӱ��@�V�ĳ��Ч��,��

1��pHֵ

��o�C(j��)��W(xu��)��(y��ng),�oՓ��úηNˎ�� ,��m��pH ��Ǳ��C��(y��ng)�ܷ񌍬F(xi��n)��P(gu��n)�I,��MAP�ډA�ԗl��ܽ��SpHֵ��߶� ��,��᲻��ډA��һ��J(r��n)��pH��7��1015 ֮�g�l(f��)��Ҫ��W(xu��)��(y��ng),��(d��ng)pH < 7�r,��Һ��PO₄^-3 ��ȵ�,��ڷ��(y��ng)�M(j��n)��;��(d��ng)pH > 1015 �r,��ᰱ �V�ڏ�(qi��ng)�A��Һ�Е��l(f��)��ֽ�,ʹ��ѽ�(j��ng)�̶��İ� ��x��,��a(ch��n)�ܽ�ȸ��͵�Mg₃( PO₄ ) 2 �� ( K_sp = 918 ×10- 25 , 25��) ,��

��(n��i)��о��ˆT��MAP��̎��Uˮ�� pHֵ�M(j��n)��о�,�Y(ji��)��1��ʾ��

��1��MAP��̎��ͬ��Uˮ��pH��ȥ��

2��(y��ng)�ض�

�ضȌ��@�V��һ��Ӱ�,��

��MAP��ȥ��Uˮ��Č��,��4��ͬ�ضȿ��]�ضȌ��ȥ��Ч�� Ӱ��аl(f��)�F(xi��n),�S�ض��,��ȥ��Ч��,�� (d��ng)�ضȳ��^30��r,��ȥ��ʷ��pС,̎�� Ч��½�, ��ԭ��ڜض�Ӱ�NH4OH �� HPO4 - ��xƽ��Լ�MgNH4 PO4 ��x��,��

Mijangoss��о�Ҳ�l(f��)�F(xi��n), ��(d��ng)��(y��ng)�ضȏ� 25��ߵ�60��r,��@�V��p��,��Һ �К��İ��ĝ��,��^�͵ķ��(y��ng)�ضȌ� �ڰ��ȥ��ɏ�Ȳ��MAP��ȥ ��B�VҺ�а��Č��аl(f��)�F(xi��n),��15�桫35�� (n��i),�ضȵ�׃��B�VҺ�а��ȥ��Ӱ푲��,��

��(y��ng)�ض��Ӱ푰��ȥ��ʵ��P(gu��n)�I��,�C�� ],�ض��25�桫30��֮�g��ȥ��Ч��(y��ng)��,��Ї�MAP��׺��ܶ��͜غ��ļ��ߜص�Ӱ�,��

3��(y��ng)�r�g

��(y��ng)�r�g��@�V��Ҳ��һ��Ӱ푡�� Փ��v,��(y��ng)�r�gԽ�L��ȥ��Խ��,ʣ�ఱ�� ĝ��ԽС,��

Zdybiewska��ʏS�Uˮ�M(j��n)�Ќ��,�l(f��)�F(xi��n)��(d��ng) ��(y��ng)�r�g��25 min�r,��ȥ��( 80% ) ,ͬ �r��(y��ng)�r�gҲ��γ�MAP��С��֮һ,��

Strafuli��о��Y(ji��)��, 1 min��(n��i)��ȥ�� ʼ��_(d��)��Kȥ��(180 min�r)��98% ,�f�� @�V��ٶȷǳ��,��S��(y��ng)�r�g�� L,��@�V��w��,��(y��ng)180 min�� ѽ�(j��ng)�ɷ��(y��ng)1 min�r��011 mm��ӵ�3 mm,�mȻ��ȥ��׃��,��Ǿ��Խ��,�� Ч��Խ��,��(y��ng)��Ą��Խ��,̎��M�þ�Խ��,��

4��(y��ng)��

һ��l��, ��@�V��ڕr, Mg^{2 +} �� NH₄⁺ ��PO₄^-3 3�N�x�ӵĻ�ȷe��ڳ��(sh��),��(y��ng)�� Ȍ��ȥ��Ӱ��^��,��MAP��̎ ��Uˮ��о��,��(y��ng)��ȼ��ȥ�� Ҋ��2,��

��2��MAP��̎��Uˮ��(y��ng)��ȼ��ȥ��